On Mon, 19 Nov 2001, Matt Gorham wrote:

> I have two remote offices and our main office. Netscreen 5xp is located at
> the main office, remote offices are connected via 56k and 128k line to the
> untrusted port on the firewall. How would i make all internet and email
> traffic pass through the firewall before going out to the internet.
> 
> 
> remote                                  remote
> cisco 1005                            cisco 1005
>                 |                           |
>                  | 128k           56k |
>                   |                       |
>                    |                     |
>                   Main office cisco
> 1005<---------------------------->Internet
>                                     |
>                                     |
>                                     |
>                                 netscreen
>                                 5xp
> 
> 
> 
> 
> Matthew Gorham
> MCSE, CCA, CNA, MCP+I, A+
> Systems Administrator

You might want to put a basic acl on the main office 1005, and create a
policy that prevents the subnets of the remote office from connecting
directly to the internet, but instead only allows them to talk to a
application proxy on the same subnet as the netscreen firewall. You would
then allow internet traffic to communicate with a proxy. The application
proxy could also have an SMTP relay.

--truman


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