Redirection of port from inside to outside. Also of ICMP on the inside.

I'm working on a FWSM using code 2.2 (1) and I would like to proxies all web requests to a box of squid of the interface from the inside to the outside and I am using the static command. All the examples I've seen pass from outside to inside. I tried the following and it doesn't work.

Internal network interface: LabA

Box of squid on the external network to IP: 1.1.1.1 answer on port 8080.

Command:

static (LabA, outside) interface 8080 tcp 1.1.1.1 80 netmask 255.255.255.255 0 0

The question I have, is the static command above works of highest to lowest? If not, is there a better way to solve this problem other than to put a map of the route on the interface routed to the MSFC?

Second problem, I can't ping my inside interfaces from the outside? I can ping interfaces of security inside/down level of the Interior. Is this a problem where you can leave the same interface that happened you? I encouraged icmp in access lists.

Thanks for the help.

Static defines a permanent translation betwwen two interfaces and is used for traffic between these two interfaces in EITHER DIRECTION. The problem you are experiencing probably is the static ports (8080 and 80) are the port of destination. According to which direction your traffic flowing port 8080 or 80 can be the source port, and in this case this static has no effect.

Regarding your question ICMP, you cannot ping a PIX/FWSM to another interface interface. This was always the way it works, and there is no way around it. To test connectivity between the interfaces you have to ping a host interface to another host out of another interface.

Tags: Cisco Security

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