I need to set up the ASA so that traffic originating from a DMZ host, with destination being the ASA's outside IP address and port 25/tcp, will be redirected to a server on inside LAN. The problem is that I need to do this WITHOUT using NAT on the DMZ interface to map inside hosts.
NAT rules mapping the inside host to outside interface are working fine if traffic originages from the outside, but if it's from the DMZ just won't work.
Commands "inter-interface" and "intra-interface" are enabled but won't help it since security levels aren't the same.
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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...