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I added an internal mail server to a brand new ASA5510 today. I used the GUI because it's a pretty straight forward install. Anyway, I added a mail server to allow port 25 traffic inbound on a static nat address dedicated to that server. But now, ...
Not sure how to mark this as answered, but that was it. I believe the carrier had a very long term ARP cache, because I temporarily swapped the nat'd public address over to the outside interface address and swapped it back after traffic was working....
Ok, we have figured something out, but not sure why it fixes it. When we replace the watchguard to attempt to get the ASA working, we have to set a NAT address to temporarily be the actual interface address before it will receive any traffic. It's ...
The watchguard isnt connected when we are trying to use the ASA.So, given the configuration, can you see any reason the Mail/SBS server cant ping or get dns responses? I have tried packet tracer, but it is only one direction. The problem I am having...
Oh, I rushed. Just some background info: We are replacing an existing watchguard firewall that is using all of the same IP addressing inside and outside with all the same rules, yet for some reason, we are struggling getting the nat/acl to allow the...
Sandy, thanks for helping on this by the way!!To answer your question, the mail server is an SBS server acting as the primary domain controller, the local DNS server, and is running exchange . It is configured for DNS forwarding. So, when I add the ...
