Jul 14, 1998 - The intercepted packet is diverted to a proxy server. ' ' ' ' ' ' ' ' ' operating in .... an 1P address 16 of a host C broadcasts the address IC over the.
stored in a con?guration database. intercepts a packet received in an Internet protocol layer of the gateway. The
Us Cl
'
‘
'
‘
'
‘
'
'
‘
Refemnces Cited
[56]
packet has a source address of the trusted computer. a destination address of the untrusted computer and a first payload. The intercepted packet is diverted to a proxy server operating in an application protocol layer of the gateway.
The intercepted packet is consumed by the proxy server. and the proxy server generates a second packet having a source
U.S. PATENT DOCUMENTS
address of the gateway and the destination address of the
untrusted computer and the ?rst payload. The second packet is sent to the untrusted computer to enable the trusted
5’442’633
8/1995
computer to communicate with the untrusted computer
5,548,646
8/1996
“surely
5,550,984 5,623,601
4/1997 8/1996 Vu .................................... .. 395/187.01