Tim Nelson wrote:
> I'd throw a nice big "ALLOW ANY PROTOCOL ANY DESTINATION ANYWHERE AND 
> EVERYWHERE" at the top of your rules and see if the problem is fixed. If not, 
> you've got bigger problems. If so, check your rules a bit more carefully.
> 

ouch! don't you come near my firewalls!

if you really really had to, make rules which allow from any of YOUR ip
addresses to any, with a protocol/service you can trust (ssh, dns).

quite often these problems are caused because if you have multiple
possible routes between networks, and the routing is asymmetric, then
stateful inspection will kill things. using "tcpdump -l -n -i interface
icmp" and ensuring that packets enter/leave on the same interface will
help - test all interfaces to make sure the ingress and egress
interfaces are correct!



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