I've configured my PIX to allow H.323 traffic. After read the reference from Netmeeting, I understanded that I have to allow secondary dynamic TCP port traffic after H.323 port is connected so I used "Establish" command to do so. Then I found the netmeeting parnter can connect to my defined dynamic port ranges besides the basic secondary port.
I thought 5.2 had that fix. You might just need to have Ciscos tac look at your configuration. Its not a good idea to try to do a code jump like that. You always need to upgrade 5.2.x to 5.3.x then 6.0 etc so the upgrade parser can handle any command syntax changes. If not, you could loose important configuration lines. ( I would first go to 5.2(5) and test it from there. Theres usually no good reason to be on the very latest PIX code.
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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...