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I have searched for documentation regarding the order of operations for packet processing in the PIX 535 appliance for both inbound and outbound packets, but cannot find any. Does anyone have a reference as to what order ACLs, Xlate, Conn, and NAT lo...
When I nmap scan my Cisco 871 router running IOS 12.4(9)T it shows that port 110 (pop3) is open. I am unable to find what process is configured causing this port to be open. I am not running webVPN as a POP3 proxy. Does anyone know what this may be a...
My understanding is that IPSec over TCP is preferred when remote clients are traversing a stateful firewall. This is because the stateful firewall can keep track of the TCP session state much better than it can a UDP traffic flow. Also, stateful fire...
Do you have any filter http commands and url-server commands configured? If so, there is an option to truncate long URLs.Also, bugs appear to exist in the http inspection engine in releases after 7.1(2). Try disabling the http inspection and see if t...
Do you have application inspection for HTTP or IM turned on any interfaces or globally? I have experienced numerous random TCP connection issues when those two inspect commands are applied. Other forum posts indicate similar issues. The connections a...
Yes, I do have NAT Overload configured. But why would that open up port 110 on the router itself?Here is the show run (part 1 of 2):version 12.4no service padservice tcp-keepalives-inservice tcp-keepalives-outservice timestamps debug datetime msec lo...