I'm trying to setup a smtp relay server in a DMZ and am having trouble figuring out what I need to do to allow it to relay mail to the inside. The mail relay will be 10.0.0.2 and the Exchange server on the inside is 192.168.100.3. I've got traffic getting to the relay server, but can't get my head around what I need to do to get the traffic inside. I've read that I need to NAT the traffic, but I'm not sure why I would need to other than to hide the internal IP. If I just use an inbound acl on the DMZ that says:
then there is an implict deny at the end of the acl so if that is all there is in the acl then you would stop your DMZ servers initiating connections to the Internet. Generally speaking your DMZ acl would look like
Login to the FXOS chassis manager.
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We have configured the outside and inside Interface with official ipv6 adresses, set a default route on outside Interface to our router, we also have definied a rule , which also gets hits, to permit tcp from inside Interface to any6.
In Syslog I also se...