We are attempting to stream MP4 through an ASA 5520 running version 8.1. The RTSP handshake takes place and I can see the teardown when the connection is terminated, but the files themselves never show up at the end device. I don't see any blocking messages. This same stream works fine if sent to a device that is not behind the firewall.
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...