Securing Multi-Tiered Web Applications - Temple CIS
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Securing Multi-Tiered Web Applications - Temple CIS
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Securing Multi-Tiered Web Applications George Mathew, Xiaojiang Du Department of Computer and Information Sciences Temple University Philadelphia, PA, 19122, USA Email: {George.Mathew, dux}@temple.edu
Abstract - Multi-tiered architecture is very common in today's
account for 20-30% of all network attacks [4]. Anomaly
enterprise web applications. It is necessary to secure channels
detection [4] and trusted computing [5] have been proposed
in each tier in order to secure a multi-tiered web application.
to improve trust in web transactions. The large and growing
For a non-HTTP based channel, there are several options to
installation base of web sites makes them easy targets for
secure the channel. These security options have been used in a
eavesdropping and other cyber attacks.
number of applications. However, it is not clear which option
In
has better performance (such as delay, security strength, etc).
our work,
we
studied
a
2-tier web
application.
However, our results apply to 3 (or more) tier applications.
In our research, we conducted real-network experiments to study the performances of several popular security protocols
A 2-tier structure is illustrated in Fig. 1. The communication
that are being used for securing multi-tiered web applications.
channel in tier 1 is from a client browser to the application
Our experimental results provide several useful insights and
server. The channel in tier 2 is between the application
guidelines for the design and deployment of secure multi-tiered web application.
server and the backend directory server.
Keywords - Security; web applications; multi-tiered applications
login component in the first tier. This is usually in the form
For multi-tiered web applications, it is common to have a of a
