1. Introduction

CERTUS Consulting Group LLC Internet Filtering Accuracy Review (Report Submitted October 15, 2001) Regarding AMERICAN LIBRARY ASSOCIATION, et al., v.UNITED STATES OF AMERICA, et al., and MULTNOMAH COUNTY PUBLIC LIBRARY, et al.,v.UNITED STATES OF AMERICA, et al.

1. Introduction Certus Consulting Group has been asked to review the effectiveness and accuracy of Internet filtering software currently in use at public libraries in Greenville, South Carolina, Tacoma, Washington, and Westerville, Ohio. Mr. Cory Finnell, a member of Certus Consulting Group LLC, oversaw all aspects of the review, and Certus was compensated for the analysis at the rate of $200 per hour for Mr. Finnell’s time, $100 per hour for computer program specialist time, and $70 per hour for website review staff time. Certus relied on a number of information sources to form the opinions stated in this report, including Internet usage data collected from Libraries, Library Internet Acceptable Use Policies, Internet filtering company product description data, and conversations with Library personnel. It is our understanding that the three library systems have purchased and implemented Internet filtering software in order to facilitate the enforcement of their respective acceptable Internet use policies. This report summarizes our findings with respect to the accuracy of the Internet filtering products in use at these three libraries. Internet filtering products are designed to prevent access to selected web sites based on site content. Filtering products are combinations of computer software code and physical computing devices that operate as gateways between computer users and the Internet. In a filtered network environment, each site requested by a computer user is checked against a categorized database of Internet sites. If the requested site is flagged as a block site, the request for the content is denied. If it is not flagged as a block site, the content is collected

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and delivered to the computer user. Administrators of the filtering software can determine and select which categories to block. Most filters also allow administrators to enter manual overrides to allow access to sites that would otherwise be blocked or to deny access to sites that would otherwise be allowed. Most also have built-in feedback mechanisms that encourage computer users to submit sites that they think should either be blocked or unblocked. Filtering companies populate their category databases using a variety of technologies and processes and they work to differentiate themselves based on the number of sites categorized, the number of different categories, and the accuracy of the categorization process. Many utilize some form of human review to categorize sites and most maintain numerous categories such as Pornography, Illegal, Entertainment, News and others. It is not uncommon for the number of categorized sites to run into the millions. Most allow the customer to determine which of the categories to filter and which to allow. The Internet is a dynamic environment. The content of individual sites can change quickly and many sites are difficult to categorize because individual pages within sites contain vastly different content. For instance, the Internet site www.geocities.com actually contains hundreds if not thousands of individual pages and the content of individual pages. One day a page might contain information about knitting and the next it might contain pornography. Therefore the filtering databases are dynamic and change each time a new site is entered or a site is re-categorized. Therefore, the filtering companies must strike the balance between assigning appropriate category labels to sites and being too liberal in their application. Without this balance, their customers will experience an unacceptable level of under blocking or over blocking.

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2. Data Sources In addition to filtering, most filters have the capability to log information about individual web site requests including whether or not the request was blocked. To test the over and under block rates of filters, Internet usage logs were collected from three separate library systems. Analysis of actual usage data is desirable because it reflects how people actually interact with the product in the field. Tests based on randomly generated lists of active web sites are less accurate because they do not necessarily represent sites that are actively sought out by Internet users. Data was available from the Tacoma, Washington, Westerville, Ohio, and Greenville, South Carolina library systems. Because the Internet is so dynamic and content changes frequently, Certus sought to acquire recently generated log file data. However, because of the possibility that the events of September 11, 2001 significantly altered Internet browsing habits, log files for the entire month of August were requested from each library. The library system in Tacoma, Washington uses the Cyber-Patrol filtering product in conjunction with a custom “Webfoot” Internet browser that filters all graphical images from sites categorized by Cyber-Patrol as containing Adult content. The Tacoma library system only logs information about sites that were blocked. Information on all sites blocked during the month of August was collected and analyzed. The library system in Westerville, Ohio uses the Websense filtering product on a CacheFlow Internet Appliance. The Cache-Flow Appliance logs information on both blocked sites and non-blocked sites. The Appliance writes log file data to a set of Internet usage logs. When the usage logs reach a predetermined size, the Appliance writes over them with new usage logs. Because of this, August usage logs were not available. The logs that were

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available were for the period October 1, 2001 through October 3, 2001. These logs were collected and analyzed. The library system in Greenville, South Carolina uses N2H2’s filtering product and logs both blocked and unblocked sites. The log files are voluminous and many contain over 500,000 records for a single day. Because of the volume, Certus limited the analysis of the Greenville logs to the period August 2, 2001 through August 15, 2001. It is important to point out that all three libraries from which the data was collected filter content. Therefore it is likely that patrons modify their Internet behavior and request fewer potentially blocked sites than they otherwise would. Even so, in these three filtered environments, for the test period, patrons made over 38,000 requests for pages that were blocked.

3. Methodology To test for over blocking, data pertaining to each blocked was extracted from the usage logs for each of the three filtering products. This is possible by identifying the field within each log file that indicates whether or not a site was blocked. The host, or source of content, was then determined for each blocked site. For example, www.whitehouse.gov/infocus is a page within the host www.whitehouse.gov. Each host was then reviewed by a team of human reviewers to determine if the content of the host was consistent with the filtering rule in place for each library. For instance, the Tacoma library filters all images from sites categorized by Cyber-Patrol to contain Adult content. Therefore, each Tacoma site blocked was compared to Cyber-Patrol’s criteria for categorizing a site as an Adult content site. If the content of a host and the pages within the host were considered consistent with the filtering product’s rule for categorizing a site into a category blocked by

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the library, it was considered an accurate block. If the content of the host was inconsistent with the filter’s criteria, then the individual pages blocked within the host were sampled and reviewed. If the sampled block page was inconsistent with the filter’s criteria, it was considered an inaccurate block. When possible, blocks considered inaccurate were compared to current versions of the filtering product’s category database to account for the possibility that the web site content had changed since the time the data was collected.

If

the site was correctly categorized in the current version of a product’s database, that fact was noted and accounted for in separate tests. The Greenville and Westerville logs contain information on non blocked sites therefore it was possible to test for under blocking of the Websense and N2H2 products. To do so, random samples of accessed sites were selected from the logs for each site. The host of each page was determined and reviewed by a team of human reviewers. If the content of the host and sampled pages within the host did not contain content consistent with the filtering criteria, it was considered an accurate access. If the host and or sampled pages within the host contained content consistent with the filtering criteria, it was considered an inaccurate access. Sites considered inaccurate accesses were compared to the current version of the filter product’s database to account for the possibility that the web site content had changed since the time the data was collected. If the site was correctly categorized in the current version of the database, that fact was noted and accounted for in separate tests. Search engines posed a challenge for categorizing the accuracy and inaccuracy of blocks. Some filters use key word and other techniques to handle search term requests and search term results. Without full access to a filtering company’s database, keyword block lists, and manual override lists, it is difficult to characterize the accuracy of search engine blocks. For

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example, a search term request for “_?AL” was blocked by the Tacoma filtering criteria which resulted in a count against the Cyber-Patrol filter for its handling of www.excite.com.

4. Results The results for both the over and under blocking tests are summarized in Attachment A. The actual hosts reviewed and the results of the review are presented in Attachments B through F. It was possible to review 836 of the unique hosts blocked by the Cyber-Patrol product. It was determined that 783 of those blocks were accurate and that 53 were inaccurate. The estimated error rate for the Cyber-Patrol product was therefore estimated to be 6.34% and the true error rate was estimated with 95% confidence to lie within the range of 4.69% to 7.99%. Tacoma uses a proprietary Internet browser that only blocks images contained on pages flagged by Cyber-Patrol for filtering. Therefore, in the Tacoma library, all text was returned to the computer user even for the sites flagged for blocking by Cyber-Patrol. In this sense, the over blocking error rate in Tacoma was lower than what is reported here. Also, it was not possible to acquire the manual override list from the Tacoma library. Therefore, to the extent that manual overrides were the source of error or the source of more accurate blocking, the actual error rate is different than what is reported here. Certus reviewed 344 unique hosts from the Websense logs and found 316 to be accurately categorized. The estimated error rate was equal to 8.14% with a 95% confidence interval ranging from 5.25% to 11.03%. Four blocked sites considered inaccurate are correctly categorized in the current version of the Websense category database. Taking these four errors into account reduces the estimated error rate to 6.69% with a 95% confidence interval of 4.05% to 9.33%. It was not possible to acquire the manual override list from the

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Westerville library. Therefore, to the extent that manual overrides were the source of error or the source of more accurate blocking, the actual error rate is different than what is reported here. Certus also reviewed 1,928 hosts from the N2H2 product and found 157 of the 1,928 hosts to have been inaccurately filtered resulting in an estimated error rate of 8.14% with a 95% confidence interval ranging from 6.92% to 9.36%. However, 68 of the 157 sites considered inaccurate, are correctly categorized in the current version of the N2H2 filtering database. Taking these 68 sites into account reduces the estimated error rate to 4.62% with a 95% confidence interval range of 3.68% to 5.55%. It was not possible to acquire the manual override list from the Greenville library. Therefore, to the extent that manual overrides were the source of error or the source of more accurate blocking, the actual error rate is different than what is reported here.

Prepared by:

October 15, 2001 Cory Finnell Partner Certus Consulting Group 2003 Western Avenue, Suite 610 Seattle, WA 98121

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Attachment A Internet Content Filter Effectiveness Review Cyber-Patrol Filter at Tacoma Library (1) Filtered Sites Reviewed Total Number of Blocked Requests Number of Unique Hosts Blocked Broken Links/Unable to Categorize Number of Hosts Catagorized Accurate Blocks Inaccurate Blocks Percentage of Inaccurate Blocks Standard Error 95% Confidence Interval Non-Filtered Sites Sampled Number of Unique Hosts Sampled Number Accurately Processed Number Missed by Filter Percent of Under Blocks Standard Error 95% Confidence Interval Combined Number of Hosts Reviewed Number Accurately Processed Number Inaccurately Processed Percent Error Standard Error 95% Confidence Interval

2,812 895 59 836 783 53 6.34% 0.0084 4.69% to 7.99%

n/a n/a n/a n/a n/a n/a

836 783 53 6.34% 0.0084 4.69% to 7.99%

WebSense Filter at Westerville Library(2)

WebSense Filter at Westerville Library(3)

N2H2 Filter at Greenville Library(4)

N2H2 Filter at Greenville Library(5)

1,211 203 18 185 158 27 14.59% 0.0260 9.51% to 19.68%

1,211 203 18 185 158 23 12.71% 0.0245 7.91% to 17.51%

34,485 1,856 182 1,674 1,520 154 9.20% 0.0071 7.81% to 10.58%

34,485 1,856 182 1,674 1,520 87 5.41% 0.0055 4.33% to 6.5%

159 158 1 0.6% 0.0063 0% to 1.86%

159 159 0 0.0% 0.0000 0% to 0%

254 251 3 1.2% 0.0068 0% to 2.51%

254 252 2 0.8% 0.0055 0% to 1.87%

344 316 28 8.14% 0.0147 5.25% to 11.03%

344 317 23 6.69% 0.0135 4.05% to 9.33%

1,928 1,771 157 8.14% 0.0062 6.92% to 9.36%

1,928 1,772 89 4.62% 0.0048 3.68% to 5.55%

Notes: 1. It is my understanding that the Tacoma Library filters all urls categorized as Adult in the Cyber-Patrol category database. Cyber-Patrol's description of Adult content was used to categorize sites for the above analysis. 2. The Westerville Library runs the WebSense filtering product on a Cache-Flow appliance. It is my understanding that the library filters all urls categorized as Adult in the WebSense category database including all sub-categories of the Adult category. WebSense's description of Adult content was used to categorize sites for the above analysis. 3. The sites blocked and the sites sampled for "Under Blocking" were checked against WebSense's published filtering criteria. To account for the possibility that site content or filtering database content could have changed since the time the log data was generated, each site that contained content inconsistent with the intended performance of the filter were checked against the current WebSense database which is available on the Internet. 4. It is my understanding that the Greenville Library filters all urls categorized as Adult, Chat, Illegal, Nudity, Pornography, Tasteless, and Sex in the N2H2 category database. N2H2's descriptions of these categories was used to categorize sites for the above analysis. 5. The sites blocked and the sites sampled for "Under Blocking" were checked against N2H2's published filtering criteria. To account for the possibility that site content or filtering database content could have changed since the time the log data was generated, each site that contained content inconsistent with the intended performance of the filter were checked against the current N2H2 database which is available on the Internet.

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Accurate

Broken Link/Unable to Categorize (y=1,n=0)

? y ? ? y n y y y ? y ? y y y y ? y ? y y y y y y ? y y y y y y ? n y y y y y y y n y y y y y y y ? y ? n ? y y y n n y y y y y y y y y y ? y y y y

1 0 1 1 0 0 0 0 0 1 0 1 0 0 0 0 1 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0

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Accurate (y=1,n=0) 0 1 0 0 1 0 1 1 1 0 1 0 1 1 1 1 0 1 0 1 1 1 1 1 1 0 1 1 1 1 1 1 0 0 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 0 1 0 0 0 1 1 1 0 0 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1

Inaccurate (y=0,n=1) 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

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Accurate


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1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 1 0 0 0 0 0 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 1 0 1 0 0 0 0 0 0 0 0 1 0 0 0 1 0

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Accurate (y=1,n=0) 0 1 0 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 0 0 1 1 1 0 1 0 0 1 1 0 1 1 0 0 0 0 0 1 1 1 1 1 1 1 1 0 1 1 1 0 1 1 1 1 1 1 0 0 1 0 1 1 0 1 1 0 0 1 0 1 1 1 0 0

Inaccurate (y=0,n=1) 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 1 0 0 0 0 0 0 1

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Accurate


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0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 1 1 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

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Accurate (y=1,n=0) 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 0 0 0 1 1 1 0 1 1 1 0 1 1 1 1 1 1 1 0 1 1 1 1 1 1 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1

Inaccurate (y=0,n=1) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0

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Accurate


y y y y y y y y y y y y y y y y y y y n y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y ? y y y y y y y n y y y y y

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0

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Accurate (y=1,n=0) 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 0 1 1 1 1 1

Inaccurate (y=0,n=1) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0

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Accurate


y y y y y y y y y y y n y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y n y y y y y y y y n y y y y

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

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Accurate (y=1,n=0) 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 0 1 1 1 1

Inaccurate (y=0,n=1) 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0

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Accurate


y y y y y y y y y y y y y y y y y y y n y y y y n y y y n y y y y y y y y y y y y y y y y y y y y y y n y ? y y y y ? ? y y y y y y y y y ? y y y y

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0

Page 6 of 13

Accurate (y=1,n=0) 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 0 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 0 1 1 1 1 0 0 1 1 1 1 1 1 1 1 1 0 1 1 1 1

Inaccurate (y=0,n=1) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

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Accurate


y n n y y y y y y y y y y y y y y y y n y y y y y y y y n y n n n y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

Page 7 of 13

Accurate (y=1,n=0) 1 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 0 1 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1

Inaccurate (y=0,n=1) 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

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Accurate


n y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y n y y y y y y y y y y y y y y y ? y y y y y y y y y y y y y y y y y y y y n y y

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

Page 8 of 13

Accurate (y=1,n=0) 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1

Inaccurate (y=0,n=1) 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0

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Accurate


y y y y y y n y y y y y n y y n y y y y y y y y y y y y y y y y n y n y y y y y y y y y y y y y y y ? y n y ? y y y n y y n y y y y y y y y y y y y

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

Page 9 of 13

Accurate (y=1,n=0) 1 1 1 1 1 1 0 1 1 1 1 1 0 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 0 1 0 1 1 1 0 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1

Inaccurate (y=0,n=1) 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0

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Accurate


y y y y y y y y y y y y y y y y ? y y ? y y y y ? y y y y y y y y y y ? y y y y y y y y y y y y y y y y y y y y y ? y y y y y y y ? y y y ? y y y y

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0

Page 10 of 13

Accurate (y=1,n=0) 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 0 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 0 1 1 1 0 1 1 1 1

Inaccurate (y=0,n=1) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

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Accurate


y y y y y y y y y y y y y y y y y y y y y y y y y y ? y y y y ? y y y y y y y y y y ? y y y ? y y y y n n y n ? y y y y n y y y y y y y y y y y y y

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

Page 11 of 13

Accurate (y=1,n=0) 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 0 1 1 1 0 1 1 1 1 0 0 1 0 0 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1

Inaccurate (y=0,n=1) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0

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Accurate


y y y y y y y y y y ? y y y y y y y y y y y y y y n y y y y y y ? y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y n y y y y n y y y y y

0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

Page 12 of 13

Accurate (y=1,n=0) 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 0 1 1 1 1 1

Inaccurate (y=0,n=1) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0

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Accurate


n y y y y y y

0 0 0 0 0 0 0 59

Page 13 of 13

Accurate (y=1,n=0) 0 1 1 1 1 1 1 783

Inaccurate (y=0,n=1) 1 0 0 0 0 0 0 53

Attachment C Websense Over Blocking Study

Host 00000000320.00000000262.00000000152.0000000074 65.113.112.24 a_chan1.tripod.com a1032.g.akamai.net a1780.g.akamaitech.net affiliates.barenecessities.com analfisting.com anime.wetempire.com apps7a.ifriends.net backdoormail.com banner.cashpartner.com bitch.com blackhole.at bondage-fairy.hotfreshporn.com bondage-fairy.loversvideo.com c2.xxxcounter.com c3.xxxcounter.com cgi.sexlist.com chick.artloc.com clicks.oxcash.com counter8.sextracker.com daily.dailysluts.com datinglist.com energy4life.com equis.ya.com girls.com graphics.avsofchoice.com heidi.here.de hentai.thehappygirls.com hl.ezgreen.com hoe.com hoochie.com internetcenterfolds.com lesbian69.freepornspace.com link.siccash.com luv.com mara.htmlplanet.com membersaameatmarket.gayworld.com new.elitecash.com newbottle.4asd.com nitrous.exitfuel.com perso.wanadoo.fr photos.classifieds2000.com preview.youngntender.com s2.blondecity.com server2046.virtualave.net sexhunt.com shop.store.yahoo.com sm.sexhound.com southparkstudios.com store.yahoo.com teengirls.freepornspace.com thehun.net top.list.ru tracking.cashpartner.com virtualnice.com web.eroticash.de wondersmith.com www.2fatchicks.com www.adultcinema.org www.adultcity.net www.adultrevenueservice.com www.alternativepersonals.org www.altheweb.com www.amateuruniversity.com www.animalsex.com www.animalxxx.com www.anime50.com www.animeam.com www.animeextreme.net www.animerica.com www.animetop100.com www.babygotback.com www.bannerservers.com www.beastmaster.com www.beechbabes.com www.best-pornography.com www.beyondhotonline.com www.bigblkbutts.com www.bigbootyclub.com www.biggerbras.com www.blackmama.com www.blackporno.net www.bme.freeq.com www.bondagehentai.com

Accurate ? y n ? ? ? y y y y y y n y y ? ? y y y ? ? y y y y y y y ? y y y y y y n y y ? n n ? y y ? y ? y n n y y ? y y y y y y y y y n y y y ? y y y y y n n n y y y y y y y y y

Current Websense Category (1)

Not Categorized

Not Categorized

Not Categorized

Tasteless Not Categorized

Tasteless

Foreign Language

Broken Link/Unable to Categorize (y=1,n=0) 1 0 0 1 1 1 0 0 0 0 0 0 0 0 0 1 1 0 0 0 1 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 1 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

Page 1 of 3

Accurate (y=1,n=0) 0 1 0 0 0 0 1 1 1 1 1 1 0 1 1 0 0 1 1 1 0 0 1 1 1 1 1 1 1 0 1 1 1 1 1 1 0 1 1 0 0 0 0 1 1 0 1 0 1 0 0 1 1 0 1 1 1 1 1 1 1 1 1 0 1 1 1 0 1 1 1 1 1 0 0 0 1 1 1 1 1 1 1 1 1

Inaccurate (y=0,n=1) 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 1 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 0 0 0

Inaccurate in Current Database(1) (y=1,n=0) 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 1 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 0 0 0


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Accurate y y y y y y y y y y y n y y y y y y y n n ? y y y y y y y y y y y y y y y y y n y n y y y y y y y y y y y y y y y y y n y y n y y n y y n y y y y n y y y n y y n y y y y

Current Websense Category (1)

Search Engines And Portals

Web Hosting

Tasteless

Search Engines And Portals

Tasteless

Information Technology

Not Categorized

Broken Link/Unable to Categorize (y=1,n=0) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

Page 2 of 3

Accurate (y=1,n=0) 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 0 1 1 0 1 1 0 1 1 1 1 0 1 1 1 0 1 1 0 1 1 1 1

Inaccurate (y=0,n=1) 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 1 0 0 1 0 0 0 0 1 0 0 0 1 0 0 1 0 0 0 0

Inaccurate in Current Database(1) (y=1,n=0) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0


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Accurate n y ? y y y y y y n n y y y y n y y y y y y y y y y y y y y y y ?

Current Websense Category (1) Tasteless

Tasteless

Broken Link/Unable to Categorize (y=1,n=0) 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 18

Note: 1. Sites that were considered to have inaccurately passed through the filter were checked against the current version of Websense's database which is available on the Internet at www.websense.com. If the site was properly categorized in the current database, and fell into a category that would have been blocked by the Westerville Library, the "Inaccurate in Current Database" column was set equal to 0.

Page 3 of 3

Accurate (y=1,n=0) 0 1 0 1 1 1 1 1 1 0 0 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 158

Inaccurate (y=0,n=1) 1 0 0 0 0 0 0 0 0 1 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 27

Inaccurate in Current Database(1) (y=1,n=0) 1 0 0 0 0 0 0 0 0 1 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 23

Attachment D N2H2 Over Blocking Study

Host 1095896707 157.238.46.29 163.125.6.120 168.144.160.250 195.235.97.200 2000.mr-cash.com 207.153.203.114 207.89.42.2 208.195.150.209 208.224.235.238 209.11.26.198 209.132.206.17 209.196.30.121 209.196.36.194 209.235.3.164 209.25.223.228 209.81.9.245 216.142.45.20 216.218.166.85 216.71.30.199 3286983112 3dshop.com 3host.com 404.cjb.net 411wrestling.com 63.236.228.210 64.124.77.203 64.209.218.28 64.40.36.143 64.57.91.147 800chat.com Chats.BlackPlanet.com Members.BlackPlanet.com Net4TV.com Pager.BlackPlanet.com WWW.GAMESVILLE.COM WWW.SeductionPalace.com a1.teen.com a1356.g.ak.nbci.com a296.p.f.qz3.net a725.g.akamai.net adimages.ifriends.net ads.crmi.net ads.uol.com.br adserver.friendfinder.com adult2001.com adultchat.com adultescape.com adultfriendfinder.com adultmerchandise.com adultnewsletter.net adultsingles.com aim.aol.com aim.com aimster.com albums.photopoint.com all-free-hidden-voyeur-cam-pics.outinpublic.com alloy.com alt.com americansingles.com amistad.ciudadfutura.com andrea2001.homestead.com anfin.hihome.com angelfire.com anime.jyu.fi animetakeover.com aol.com aolcom.ea.com apps.ifriends.net apps.nightsurf.com ar.chat.yahoo.com asiafriendfinder.com asian.sexisp.com asinglesplace.com ass.com atlantic.net aupair.web.worldonline.cz babesstart.com babybrazil.com badmovies.org banners.adultfriendfinder.com banners.alt.com banners.amigos.com banners.babylon-x.com banners.directnic.com banners.friendfinder.com banners.friendpages.com banners.gayweb.com bestanimations.com bet.com

Content Block(1) ? ? ? Error C P ? ? ? ? ? P ? ? Error ? P ? P S C Error S Error A ? Error P A S C C Error C C C A C ? ? ? ? ? C C P C P P S P A C C C Error P C P A C ? S Error Error Error C C P P C C P A P A Error P Error T A A A P Error A A S Error S

Current N2H2 Category(2)

Pornography

Not Categorized

Pornography

Free Pages

Pornography

Free Pages Pornography Pornography

Not Categorized Sex

Pornography

Pornography

Broken Link/Unable to Categorize (y=1,n=0) 1 1 1 0 0 0 1 1 1 1 1 0 1 1 0 1 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

Page 1 of 21

Accurate (y=1,n=0)

Inaccurate (y=0,n=1) 0 0 0 0 1 1 0 0 0 0 0 1 0 0 0 0 1 0 1 1 1 0 1 0 1 0 0 1 1 1 1 1 0 1 1 1 1 1 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 0 1 0 0 0 1 1 1 1 1 1 1 1 1 1 0 1 0 1 1 1 1 1 0 1 1 1 0 1

0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 1 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 1 0 0 0 1 0

Inaccurate in Current Database(1) (y=1,n=0) 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 1 0


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Content Block(1) C P N P T T A Error P S P Error P P P P P P P A S C C C I Error A ? ? ? ? A ? ? C C C C C C ? C C C C C C C C C C C ? C C C C C C C C C A ? C C C C C S Error C P N C ? P ? C S P C P P C C A P Error C


Chat

Sex

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Adult

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Accurate (y=1,n=0)

Inaccurate (y=0,n=1) 1 1 1 1 1 1 1 0 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 0 0 0 0 1 0 0 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 0 1 1 1 1 0 1 0 1 1 1 1 1 1 1 1 1 1 0 1

0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0



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Content Block(1) C C ? P P T P N A ? C ? ? P A P ? A P A P A C C S C C C C C S N P P N Error C C A C A C C C P A A P P P P P C C C C C C P C P I ? N C N N ? C C ? Error C Error S P ? ? C A Error C ? P P Error N C N ?


Foreign Language

Loop Hole Sites

Illegal Free Pages

Pornography

Tasteless


Page 3 of 21

Accurate (y=1,n=0)

Inaccurate (y=0,n=1) 1 1 0 1 1 1 1 1 1 0 1 0 0 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 0 1 1 0 0 1 0 1 1 0 0 1 1 0 1 0 1 1 0 1 1 1 0

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0



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Content Block(1) ? ? ? ? ? C ? P C C P P ? P N A N C C Error A C C C N ? ? C S T C ? A A C C A C A/T P ? N C A Error N P Error A P C C Error Error Error Error C C P P Error P S Error N Error A C C C C C C A Error Error P Error N T C P A ? ? C ? Error P C


Message Bulletin Boards

Pornography

Sex

Free Pages Free Pages Pornography Free Pages

Free Pages

Free Pages Free Pages

Not Categorized Nudity Pornography

Employment Search


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Accurate (y=1,n=0)

Inaccurate (y=0,n=1) 0 0 0 0 0 1 0 1 1 1 1 1 0 1 1 1 1 1 1 0 1 1 1 1 1 0 0 1 1 1 1 0 1 1 1 1 1 1 1 1 0 1 1 1 0 1 1 0 1 1 1 1 0 0 0 0 1 1 1 1 0 1 1 0 1 0 1 1 1 1 1 1 1 1 0 0 1 0 1 1 1 1 1 0 0 1 0 0 1 1

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 1 1 1 1 0 0 0 0 1 0 0 1 0 1 0 0 0 0 0 0 0 0 1 1 0 1 0 0 0 0 0 0 0 0 0 1 0 0



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Content Block(1) A N C C C A Error ? Error P C C N N N S C A C P C A C C A C Error P A A A ? A C N C ? Error S P C C C ? A C C S C C C A ? P P Error P S ? P T ? N S S Error T ? N Error ? ? ? C A P N S S P N ? C C A P T A A C


Adult Pornography

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Inaccurate (y=0,n=1) 1 1 1 1 1 1 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 0 1 1 1 1 0 0 1 1 1 1 1 0 1 1 1 1 1 1 1 1 0 1 1 0 1 1 0 1 1 0 1 1 1 0 1 0 1 0 0 0 0 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1

0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0



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Content Block(1) ? Error A P N P P ? Error P C Error C A P N P P A N P C P N P C P S P C Error ? C A Error C T S Error ? ? P C Error T P ? N N P Error P Error T ? N N A C Error C ? ? C Error C Error N C Error ? C ? Error Error Error A A P Error ? Error p T P T P ? P S

Current N2H2 Category(2) Electronic Commerce

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Tasteless

Drugs


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0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1



Host www.escorthosting.co.uk www.escortsforhire.com www.esmas.com www.esquire.com www.eurowomen.com www.everyeye.it www.everyone.net www.excessivehardcore.com www.excite.com www.exn.ca www.exotica-usa.com www.exoticdivas.com www.exoticelite.com www.extraebony.com www.ez-websites.com www.ezgreen.com www.fabulous-amateur-action.com www.facebuster.com www.facialpost.com www.facials.com www.famousbabes.com www.fanr.com www.fatpig.com www.fatwreck.com www.favewavs.com www.femaleathletes.com www.femalemuscle.com www.fhmus.com www.fhmusa.com www.fillies.com www.findpics.com www.finestwomen.com www.firetalk.com www.fisting.com www.fistingfreaks.com www.fivestarlaser.com www.flasheru.com www.flashjokeoftheday.com www.flexbaths.com www.flowgo.com www.focusin.nl www.fortunecity.com www.fortunecity.de www.freak.com www.freaky-fetishes.com www.frearcade.com www.free-adult-passwords.com www.free-nude-celebrity-pictures-photos.com www.free-sex-mpegs.net www.free-sexvideo.com www.free-tgp.com www.freeacade.com www.freearecade.com www.freecondoms.com www.freedomain.net www.freelotto.com www.freenetpass.com www.freeones.com www.freepics2000.de www.freepixpost.com www.freesmut.com www.freespeech.org www.freestuff2000.com www.freestufftown.com www.freetown.com www.freexposure.com www.fubu.com www.fullofjokes.com www.funnygreetings.com www.funnymail.com www.funnypict.com www.funnypop.com www.funnywebsite.com www.funpages.com www.funstun.com www.furnitureporn.com www.gadiz.hotfire.net www.galore.com www.gambino.com www.gamehouse.com www.gamers.com www.gamesville.com www.gamexperts.com www.gamingclub.com www.gammae.com www.gangbangmodels.com www.gangs.com www.ganja.com www.ganjaland.com www.garvgraphx.com

Content Block(1) N P C N P P C P C S P P P P N P P N P P P P P T N N N N P P P P ? P P ? P P N T P N ? A P ? P P P P P P ? S P Error P P P S P Error P P C P N T T T S N T T T P P C N C C A P A A P P A A P


Adults

Not Categorized


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0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0



Host www.gash.com www.gay.com www.gaycommunity.com www.gays-boys.com www.gayweb.com www.geocities.com www.getfreesexpix.com www.getmorewomen.com www.getsomeblow.com www.ghettopostage.com www.gia-foxxx.com www.gibbleguts.com www.gif-world.com www.girlfriend.com www.girls.com www.girlsgonewild.com www.girlsonline.com www.glacials.com www.glen-bridgland.co.uk www.gogovideo.com www.goldenpalace.com www.goldentroll.com www.goodbyemag.com www.google.com www.googlr.com www.gothicunderworld.com www.gotlaughs.com www.gozrock.com www.gq-magazine.co.uk www.gracie-magazine.com www.grand-marnier.com www.greetingcards.msn.com www.grocutt.force9.co.uk www.guitarra.net www.hackers.com www.hackerscatalog.com www.hackershomepage.com www.half-life.ru www.hardcore-coeds.com www.hardcore-sex-casino-gambling.com www.hardcore-sex-free-hardcore-porn-junky-sex-pics.com www.hardcoresexcasino.com www.hardcoreslaves.com www.hardcoreslaves.com. www.hbo.com www.health4her.com www.hennessy-cognac.com www.hentaimasters.com www.herbsmoke.com www.highheels.com www.highschoolclub.com www.hightimes.com www.hiphopplaya.com www.hole.com www.homepagestore.de www.homestead.com www.hootisland.com www.horny.com www.hot-atlantanights.com www.hot.ee www.hotandcute.com www.hotanimebabes.com www.hotbody.com www.hotbox-danni.com www.hotfloridanights.com www.hotimportnights.com www.hotornot.com www.hotpussyass.com www.hotpussypics.com www.hotshots.com www.hotsluts.com www.houseofhorrors.com www.houstonsjess.com www.humor.com www.hushhush.com www.hws.edu www.iadultguide.com www.icewerk.com www.icq.com www.idealcouplesclub.com www.ifilm.com www.ighetto.com www.illegal.net www.imagestation.com www.importmodel.com www.importmodels.com www.independent-escorts.com www.independentescorts.net www.india-station.com www.indianhoney.com

Content Block(1) ? C P P P T P P P N P T P P P P P P P P A A P Error P P N P P Error Error Error P P I I I P P P P P P P A Error A P A P C A Error P ? P P P P P P P P P P N N P P P P A ? S,N P ? P C C P S T P N P P P P P P


Search

Swimsuits Adult Tasteless

Not Categorized

Not Categorized


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Inaccurate (y=0,n=1) 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 0 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0



Host www.indianqueens.com www.indiesent.com www.inetone.net www.inforocket.com www.infosel.com www.instantmadness.com www.intergal.com www.intermega.com.br www.inthecity.com www.investigationsflorida.com www.invictory.org www.inyouremail.com www.inyourmail.com www.iowrestling.com www.iscavenger.com www.islachicas.com www.islandeyes.com www.islandia.is www.ismokecrack.com www.iswoosh.com www.ivillage.com www.iwannatalk.com www.iwantu.com www.iwon.com www.jackpot.com www.jagex.com www.jaguarsbikini.com www.jailbabes.com www.janesguide.com www.javachats.com www.jenlopeznm.com www.jennastyle.com www.jennaz.com www.jenniferlopez-all.com www.jerktime.com www.jessica.com www.joecartoon.com www.join4free.com www.joke4today.com www.jokes.com www.jokes.cz www.jsonline.com www.juiceyheavenly.com www.juliana-escort.com www.justatip.com www.jwpublishing.com www.kaboo.com www.kasart98.as.pl www.kazaa.com www.kazazz.com www.keen.com www.kellys.com www.kellyxxx.com www.ken-ca.com www.kenje.com www.kennyskrib.com www.kenshin-kan.com www.kinglawler.com www.kinkycards.com www.kiss2001.com www.kitty-house.com www.knac.com www.koltershock1.net www.kristashomepage.com www.kristysteenpalace.com www.kuerbis.at www.kwikmed.com www.l-models.kiev.ua www.ladies.com www.ladybeaver.com www.laetitia-gallery.com www.lakecomoresort.com www.lapaginade.com www.largotek.com www.lasestrellas.com www.latincards.com www.latinchat.com www.latinlifemates.com www.latinsensations.com www.leevalley.co.uk www.legends-in-time.com www.legs-r-us.com www.lesbian-sexpics.com www.lesbiansexies.com www.lesgirl.com www.leszone.com www.licking.com www.lilwayne.com www.lilzane.com www.limpbizkit.com

Content Block(1) P A ? A Error P P ? P P ? N Error P ? P P N P T S C P Error A C P P P C N P P P P P T P S S P C ? P S A P ? P C A S P P P N N N P P P C P P P P A N P ? P N P P C S C A P Error S P P P P P P N N C


Not Categorized

Not Authorized Pornography

Search

Sex


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Inaccurate (y=0,n=1) 1 1 0 1 0 1 1 0 1 1 0 1 0 1 0 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1

0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0



Host www.lingerieshop.com www.links2go.com www.liquor.com www.livesex.nl www.livesexpictures.com www.loadedagain.com www.lolita-porn.com www.lolitaporn.nu www.lolitas.ca www.lotsofjokes.com www.love-4-life.com www.loveanddates.com www.lovejungle.net www.lovetest.com www.low-riders.com www.lowrider.com www.luckysurf.com www.ludacrisland.com www.ludd.luth.se www.macrohard2001.com www.magazine-rack.com www.male4malescorts.com www.malekneads.com www.mallcom.com www.marilynmanson.com www.marketing.yournet.pl www.martialartscity.com www.match.com www.matchamerica.com www.matesanddates.com www.maxim-magazine.co.uk www.maximonline.com www.maximumcash.com www.meb.uni-bonn.de www.megastar.co.uk www.menjokes.com www.mensfitness.com www.mentalityrecords.com www.metroescorts.com www.mexicochat.net www.milenko500.com www.millerlite.com www.miniature.net www.minissaias.com.br www.minxmodels.com www.mipueblito.com www.mircx.com www.missy.com www.mistresssasha.com www.modell.de www.modelnews.com www.modelpost.com www.models.com www.modelsnextdoor.com www.modfxmodels.com www.monalisamodels.com.au www.monicaofjax.com www.montanaz.com www.motorcycle.com www.mountain-net.com www.mp3search.nu www.mrblunt.com www.mtv.com www.mudconnector.com www.mujweb.cz www.multichat.com www.muscleweb.com www.musesmuse.com www.mvpvideos.com www.n64cc.com www.naked-amateur-pics.com www.naked-celebs.com www.naked-women-picture.com www.nakednews.com www.nameshopper.com www.napster.com www.nascar.com www.nasty.com www.naughtycards.com www.navrcholu.cz www.nboga.com www.netbroadcaster.com www.netlaughter.com www.netnude.com www.newgrounds.com www.newjoke.com www.newmecca.com www.newzeal.com www.nightdreams.com www.nimfomanka.com.pl

Content Block(1) S Error ? P P P P P P S C P ? S P C A S N P N P P P T P P A A A P P P I P A S A P C P A N P N C C T P N P P N P P P P P N Error I I T C ? C N C P C P P P P P C C P P P N N N N A T Error Error P ?

Current N2H2 Category(2) Loop Hole Site

Not Categorized

Pornography Nudity


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Accurate (y=1,n=0)

Inaccurate (y=0,n=1) 1 0 0 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 1 0

0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0



Host www.nippleslips.com www.nitrorecords.com www.nlife.com www.nnportal.com www.nolimitrecords.com www.nonnude.com www.nookie.com www.nosotros.com www.nr-eins.to www.nrlc.org www.nubiansoul.com www.nude-naked-women.net www.nudeartcards.com www.nudecelebgirls.com www.nudehollywood.com www.nudepics4free.com www.nudepics4u.com www.nudeteen-sex.com www.nudevacationsusa.com www.nudewrestlingstars.com www.nudity.com www.numbafour.com www.nutz.org www.ocman.com www.ohgirls.com www.ohmygoodness.com www.ohoh.nl www.thedsc.com www.theflow.nl www.thefullmonty.com www.thehellhole.com www.thehotlist.com www.thehottestcelebrities.com www.thehouseoffetish.com www.themanshow.com www.themeworld.com www.themodelforum.com www.theonering.net www.theonlinesexdirectory.com www.theplatinumplus.com www.thepussyplace.com www.therock.com www.theroxbury.com www.thesexpic.com www.thesmokinggun.com www.thesoccersite.co.uk www.thespark.com www.thesun.co.uk www.thetexasfreaknik.com www.thethreshold.com www.thongbunz.net www.thresholdbabes.com www.thriveonline.com www.tigerlilies.com www.tigernet.com www.tigertom.com www.tip100.nl www.tommys-bookmarks.com www.toni-braxton.de www.toon-erotica.com www.top-greetings.com www.top100cards.com www.top219.org www.topchoice.com www.topy2k.com www.trafficcash.com www.trafficcashgold.com www.trafix.sk www.triplesix.com www.tripod.de www.tripsmarter.com www.trishstratus.com www.trojancondoms.com www.truecelebs.com www.truequeens.com www.truly18.com www.truthugs.com www.tucows.com www.tupac.yucom.be www.turkchat.com www.tuxedo.org www.tv69.com www.twistedhumor.com www.twistkim.com www.tysweb.com www.uglypeople.com www.ultimatecollectionxxxx.com www.ultimateresourcesite.com www.ultimatetopsites.com www.ultimatewwf.tc

Content Block(1) P T P P C P P S P Error C P N P P P P P N P P P ? P P S P C I P T P N P N P P C P ? P C P P T P S N P P P P C S A C P P P ? T P P S P P P P N C N ? S P P P P C P C I P S P ? N P C P P


Not Categorized


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0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0



Host www.ultrawrestling.com www.ultspank.com www.unbrokenchain.net www.uncvideo.com www.underageillegals.com www.unicycle.fr www.univision.com www.unknownpasses.com www.unknownproductions.com www.uol.com.br www.uproar.com www.upskirts.com www.urbanentertainment.com www.urineluck.com www.usathumbs.com www.users.bigpond.com www.users.qwest.net www.uvproductions.com www.vamp.org www.vampire-sex.com www.videocatalog.com www.videogamers.com www.videosecrets.com www.vietchat.com www.vietchat.net www.vietfun.com www.virtuagirl.com www.virtualcrack.com www.virtue.nu www.vividvideo.com www.vixencreations.com www.vmhmodels.com www.voicezgo.com www.voyeursluts.com www.walla.co.il www.wasarrested.com www.wasp-wwii.org www.wayweird.com www.weare18.com www.wearereal.com www.webbitch.org www.webcamnow.com www.webdesk.com www.webmaster.com www.webpersonals.com www.webprostor.cz www.webscoops.com www.webshit.dk www.webshots.com www.webtechs.com www.webware.com www.wet-t-shirt-contest.com www.wet-t-shirts.com www.wet.com www.wetshit.com www.wett-shirt.tv www.wettshirt.de www.whitetrashworld.com www.wigs.com www.wildcat.co.uk www.wildgirls.com. www.wilhelmina.com www.wiot.com www.witchblade.com www.women-wrestling-nude.com www.womencelebs.com www.womencentral.msn.com www.womenindex.com www.womens-health.co.uk www.workoutroutine.com www.world-of-models.com www.worlds.com www.worlds.net www.worldsexguide.org www.worpedmind.com www.wotch.com www.wowbikini.com www.wownude.net www.wownude1.com www.wrestlepalooza.com www.wrestlex.com www.wrestlezone.com www.wrestling-women.com www.wrestlingplanet.com www.wrestlingunleashed.com www.wsex.com www.wsex.com. www.wwfdivas.com www.wwfdivas.genxer.net www.wwfstyle.com

Content Block(1) ? P C P ? Error C P P S C P P A P ? N P P P P Error P C C P P I T P P N P P C T Error P P ? P A P C A P P P N P C P P P P P ? P Error T P N N P P P Error N S P P C C P ? S P P P C C N P N N A A P ? P


Adult

Pornography

Not Categorized

Sex

Sex


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Inaccurate (y=0,n=1) 0 1 1 1 0 0 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 0 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1

0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0



Host www.wwfwcw.com www.wwfwomennudepics.com www.wwwsex.com www.wzzo.com www.xchat.cz www.xnet7.com www.xs4all.nl www.xteenchat.com www.xwell.com www.xxx-lesbian-babes.com www.xxx-porn-pictures.net www.xxx4sex.net www.xxxcrew.com www.xxxent.com www.xxxhome.com www.xxxnudists.com www.xxxplayroom.com www.xxxporn.com www.y2g.com www.yahhoo.com www.yaju.com www.yep.com www.youthresource.com www.zak3.com www.zapnow.com www.zdnet.com www.zelo.com www.zhilambi.com www.zing.com www.zone.com www.zooass.com www.zthing.com www1.cafeflesh.com www1.join4free.com www2.cashclicks.com www2.farmsecrets.com www2.links2go.com www2.sexhungry.com www3.bearchive.com www3.latincards.com www5.chathouse.com wwwbmw.com xdomains.com xxx.elitecities.com xxx.lesbiancities.com xxxgal.com xxxhome.com xxxnightly.com y2g.com yahhoo.com yellowsexpages.com younginnocence.com yourcup.tripod.com zippy.sonoma.edu zone.com zone.msn.com

Content Block(1) N ? P N C P I C ? P P P P P ? P P P N ? P C Error N T C S P ? C N T P P P P Error P P Error C ? ? P ? P ? P N ? P P S ? C C


Message Bulletin Boards

Loop Hole Site

Not Categorized

Broken Link/Unable to Categorize (y=1,n=0) 0 1 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 0 1 0 0 1 0 0 0 1 0 0 182

Notes: 1. The N2H2 product is set to block multiple categories. The key for the above analysis is A=Adult, C=Chat, I=Illegal, N=Nudity, P=Pornography, S=Sex, and T=Tasteless. 2. Sites that were considered to have been inaccurately filtered were checked against the current version of N2H2's database which is available on the Internet at www.n2h2.com. If the site was properly categorized in the current database, and fell into a category that would have been blocked

Page 21 of 21

Accurate (y=1,n=0) 1 0 1 1 1 1 1 1 0 1 1 1 1 1 0 1 1 1 1 0 1 1 0 1 1 1 1 1 0 1 1 1 1 1 1 1 0 1 1 0 1 0 0 1 0 1 0 1 1 0 1 1 1 0 1 1 1520

Inaccurate (y=0,n=1) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 154

Inaccurate in Current Database(1) (y=1,n=0) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 87

Attachment E WebSense Under Blocking Analysis Host 3lw.com adcontroller.unicast.com ads.x10.com apartments.com banjotooie.com bradpayne.com chessclub.com disney.go.com edj.net espn.go.com focuscamera.com futuresite.register.com gamespot.com gw.franklin.edu home.no.net jobsearch.monster.com m.doubleclick.net members.aol.com members.home.net msn.espn.go.com mudvayne.com oeonline.com ohiostate.theinsiders.com pages.ebay.com pbskids.org radiou.com realguide.real.com redir.windowsmedia.com static.everyone.net thoth.sbs.ohio-state.edu timonel.com translator.go.com wdz.hispeed.com webcenter.love.aol.com webmail.bsc.edu webpac.cml.lib.oh.us www.2bobs.com www.666.com www.710.com www.absolutely.net www.acmebw.com www.acs.ohio-state.edu www.adveractive.com www.alliancerto.com. www.aol.com www.ateamuniformsdirect.com www.bcbookaward.org www.bearcat1.com www.beatles.com www.better-investing.org www.blackberricafe.com www.blondesonly.net www.bmgmusicservice.com www.bmifcu.org www.bmwgroup.com www.bobthebuilder.org www.bringitonmovie.com www.britannica.com www.brittneyspears.com www.businessweek.com

Accurate

Current WebSense Category(1)

y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y

Page 1 of 3

Accurate (y=1,n=0) 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1

Inaccurate (y=0,n=1) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

Inaccurate in Current Database(1) (y=1,n=0) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

Attachment E WebSense Under Blocking Analysis Host www.careerxpressusa.net www.carverpro.com www.cbsnews.com www.celebritywonder.com www.cheatcc.com www.ci.westerville.oh.us www.colemantrailers.com www.collegegear.com www.columbus.org www.connexion.org www.coolhomepages.com www.currensnet.com www.darbyhomes.com www.dragonballz.com www.dragonballz.de www.dragonballz.de www.dunlopmotorcycle.com www.ebay.com www.efc.com www.egames.com www.euroshine.net www.fearfactory.com www.fecuokc.org www.foreign-correspondence.org www.fortatkinsonnursery.com www.foxnews.com www.franklin.edu www.freeality.com www.generalemployment.com www.gotee.com www.habitat.org www.helping.org www.hiphopraplyricz.com www.hookahville.com www.hotjobs.com www.house.state.oh.us www.innovative-e-solutions.com www.iwin.com www.jimwyckoff.com www.larp.com www.lavalamps.com www.liveatudrtofohio.com www.lotus.com www.lowestfare.com www.memberprize.com www.messageplex.com www.mtv2.co.uk www.mudvayne.com www.mutantx.net www.ncaa.org www.nyist.com www.ohiohistory.com www.olsentwins.com www.opted.org www.otterbein.edu www.pcdi-homestudy.com www.petitejessica.com www.phototype.com www.planetfear.com www.prars.com

Accurate y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y n y y y


Sex

Page 2 of 3

Accurate (y=1,n=0) 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1

Inaccurate (y=0,n=1) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0

Inaccurate in Current Database(1) (y=1,n=0) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

Attachment E WebSense Under Blocking Analysis Host www.psychwww.com www.pushhamburger.com www.qksz.net www.quintcareers.com www.redcreek.se www.reportgallery.com www.ronald.com www.rowentausa.com www.rpgbattle.com www.snopes2.com www.sosodef.net www.state.oh.us www.stick.com www.stpconnection.com www.stsci.edu www.superinternetdeals.com www.timeticker.com www.traderjoes.com www.tradestation.com www.treeloot.com www.trustedcasinos.com www.tuaca.com www.tvtome.com www.ucla.edu www.ucm.muohio.edu www.uhr.ohiou.edu www.uky.edu www.unique-mgmt.com www.unitedmedia.com www.ureg.ohio-state.edu www.utilisima.com www.valottery.com www.vwcola.com www.witexusa.com www.wpl.lib.oh.us www.wycol.net www.yahoo.com www.zamperlarides.com wynres.wyndham.com

Accurate


y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y

Accurate (y=1,n=0) 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 158

Inaccurate (y=0,n=1) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1

Inaccurate in Current Database(1) (y=1,n=0) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

Note: 1. Sites that were considered to have inaccurately passed through the filter were checked against the current version of Websense's database which is available on the Internet at www.websense.com. If the site was properly categorized in the current database, and fell into a category that would have been blocked by the Westerville Library, the "Inaccurate in Current Database" column was set equal to 0.

Page 3 of 3

Attachment F N2H2 Under Blocking Study Host askdh.directhit.com capitalone.credit-card-offers.com careerbuilder.com christmasrecipe.com cses.com csf.colorado.edu customer.dra.com data.ancestry.com fws.municode.com gaming.startrek.com homepages.nildram.co.uk inusa.com members2.clubphoto.com misc.webstakes.com mycle.clemson.edu netnow.micron.net play10.pogo.com plus.football.fantasysports.yahoo.com radiozurnal.rozhlas.cz uk.mail.yahoo.com ww1.lfmn.com www.123retina.com www.1ekamer.nl www.60l.com www.apbproductions.com www.asteriod.net www.bbb.org www.billbord.com www.charleston-hotels.net www.citylog.com www.drivebudget.com www.easilyfree.com www.ezcomsolutions.com www.fja.gc.ca www.frontofficegames.com www.fuckcompany.com www.grandforks.com www.greenvilleparent.com www.hammersite.com www.inform.umd.edu www.jobnetwork.net www.likesbooks.com www.michaelandretti.com www.nydailynews.com www.outfitters.com www.outlookindia.com www.polk.cc.fl.us www.prescott.org www.richmond.k12.ga.us www.s13.org.au www.scattorneygeneral.org www.searchenginewatch.com www.sitesforteachers.com www.sleepinn.com

Accurate y y y y y y y y y y y y y y y y y y y y y y y y y y y n y y y y y y y n y y y y y y y y y y y y y y y y y y


Not Categorized

Profanity

Page 1 of 5

Accurate (y=1,n=0) 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1

Inaccurate (y=0,n=1) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

Inaccurate in Current Database(1) (y=1,n=0) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

Attachment F N2H2 Under Blocking Study Host www.telecomstraining.co.uk www.turksandcaicosbanking.tc www.uchidas.com www.uni-sol.com www.upstatehelpwanted.com www.wingspanrecords.com wwwlatinmail.com yp.netscape.com business.vsnl.com classmates.com earthlink.net movies.excite.com msn.zdnet.com news.iexalt.net play.nike.com sears.com shady-acres.com usmilitary.about.com www.cyber-jaya.com www.emailaccount.com www.englishharbour.com www.insuladd.com www.kettlepoppers.com www.leskobooks.com www.loudrecords.com www.southflorida.com www.thehinduonline.com www.vintage.force9.co.uk www.webtraffictools.com 1.rtcode.com 161.58.178.77 64.15.227.207 blackboard.oakwood.edu cj.careercast.com cs.cca.cccoes.edu edit.messages.yahoo.com stpaulsepiscopal.churches.wilmington.org terra.com web5.jobsonline.com www.active.com www.julieposey.com www.mdcc.edu www.razedinblack.net www.refdesk.com www.sprint.com www.thesun.co.uk www.web.appstate.edu xlink.zdnet.com entertainment.crosswalk.com limited.georgetown.edu ra.fau.edu www.agr.gov.sk.ca www.dpi.state.nc.us www.ebgames.com

Accurate y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y n y y y y y y y y


Nudity

Page 2 of 5

Accurate (y=1,n=0) 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1

Inaccurate (y=0,n=1) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0


Attachment F N2H2 Under Blocking Study Host www.plusonefans.com www.rock-hill.k12.sc.us www.smcsc.edu www.ultimate-lyrics.de clickops.com www.dreambook.com www.eriktyme.com www.limestone.edu www.matchdoctor.com www.saddle-creek.com www.sun.com 208.62.23.132 essenceforum.ehosts.net nick.com www.grant-info.com www.simslots.com www.tlcworldwide.com www4.ncsu.edu guest.friendfinder.com pac4ever.hypermart.net pogo06.excite.com reg.sierra.com webmail.starmedia.com www.bizlink.org 64.124.55.224 www.labcorp.com www2.choicehotels.com cgi.neoworks.co.uk movies.go.com www.ad4ex.com www.itt-tech.edu 216.234.182.112 clasdean.la.asu.edu findia.net home.dencity.com isp-lists.isp-planet.com moodform.com offers.nameregister.com piyasanet.hurriyet.com.tr pro.topsitelists.com promos.half.com riseup.rockmetal.art.pl www-2.roughguides.com www.antiquegumball.com www.architecturals.net www.atlantainjurylawyer.com www.charlestonwestvirginia.com www.clipsahoy.com www.egncity.com www.government-news.com www.khaha.com www.rocksprings.com www.rockspringsconferencecenter.com www.touristnetwork.com

Accurate y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y


Page 3 of 5

Accurate (y=1,n=0) 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1

Inaccurate (y=0,n=1) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0


Attachment F N2H2 Under Blocking Study Host www.whiterain.com www5.caramail.com www.itsyourdomain.com www.totally-jenniferlopez.com edmunds.com www.caretas.com.pe www.criterionco.com www.listin.com partners.everyone.net www.bendavis.com groups.aol.com 147.4.150.5 computing.netscape.com interzonga.com www.awasummerjobs.com www.greenvillelions.com www.mlmtraffic.com www.thedirectory.org busqueda.yupimsn.com thecarolinachannel.com upstatejobs.com public.wsj.com ad.idnes.cz presets6.real.com search.sprinks.about.com hotjobs.com www.aoa.dhhs.gov www.dunhillstaff.com www.easleyprogress.com www.frommers.com www.geico.com www.hollywoodjunkie.com www.nvidia.com www.theultimates.com search.broadcast.yahoo.com www.net-singles.com www.gateway.com f133.mail.yahoo.com www.johnsonlane.com www.barrynet.com www.naturessunshine.com hb.zip2.com www.beauticontrol.com www.pcc.edu www.dating.com www.gamerplanet.com www.greatergreenville.com www.americangreetings.com www.bikinitv.com www.buybidwin.com www.secretshopnet.com www.arham.com www.down-south.com www.yhd.com

Accurate y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y


Page 4 of 5

Accurate (y=1,n=0) 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1

Inaccurate (y=0,n=1) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0


Attachment F N2H2 Under Blocking Study Host lds.org www.psyweb.com www.alironmarketing.com www.blackvoices.com pager.blackplanet.com f137.mail.yahoo.com www.khrystiansgiftgallery.com mptlbx01.mypoints.com ad.kvantum.cz www.eluniversal.com.mx www.carolinafirst.com forums.about.com fr.yahoo.com whomp05.pogo.com www.infospace.com 205.180.85.40 www.youravon.com domino07.pogo.com www.toplist.cz www.allaccess.com www.solware.com us.f92.mail.yahoo.com play.pogo.com treeway.zzn.com search.iwon.com rd.business.com domino08.pogo.com www.lego.com members.aol.com www.tarjetas.com music.launch.com www.angelfire.com s1.amazon.com lc3.law5.hotmail.passport.com classifieds.yahoo.com profiles.yahoo.com www.yahoo.com ad.doubleclick.net

Accurate y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y


Accurate (y=1,n=0) 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 251

Inaccurate (y=0,n=1) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3

Inaccurate in Current Database(1) (y=1,n=0) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2

Note: 1. Sites that were considered to have inaccurately passed through the filter were checked against the current version of N2H2's database which is available on the Internet at www.n2h2.com. If the site was properly categorized in the current database, and fell into a category that would have been blocked by the Greenville Library, the "Inaccurate in Current Database" column was set equal to 0.

Page 5 of 5

1. Introduction

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