I've been talking with Checkpoint about this very subject.

As I understand it, here's what you'll have to do:

1. Create a rule to allow OSPF to pass through the firewall (this is a 
defined service in 4.x).

2. On each router located on either side of the firewall, define the other 
router as an OSPF Neighbor.  OSPF link-state tables should then be passed 
between the routers.

If you're not running 4.x, then you'll have to install, compile, and 
configure gated (good luck!).

Randall

At 05:10 PM 7/13/00 +1000, Beyer, Steve wrote:

>Hello All,
>
>I have a situation where I have two routers that need to form an adjacency
>to run OSPF, but they are separated by Firewall-1 running on a Solaris
>machine.  Can this be done, or does the firewall need to be an OSPF
>participant?   If so, what are the security implications, and what software
>is required for the firewall to participate?
>
>Thanks in advance.
>
>Cheers,
>
>Steven Beyer
>[EMAIL PROTECTED]
>
>
>
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"As soon as men decide that all
means are permitted to fight an evil,
their good becomes indistinguishable
from the evil they set out to destroy."
                       --Christopher Dawson



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