firewall -> connection tracking -> H323
Good to see you're still around. Remember getting your help on a SME575
Sadly that didn't help. I actually had that off by default and then only turned it on the other day to try and fix this problem in the first place.
It's weird as it apparently manages to get 1 of 10 packets out and then something stops the rest but just can't see anything in the local system log.
I can see the 10 packets coming in as I have logging turned on for that rule but don't see anything going back out even though I have logging turned on for LAN -> Internet rule. Not sure if there is something extra to do to show these.
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you will need to use the packet analyzer to investigate further
system -> diagnostics -> packet capture
setup up a filter each for the WAN and LAN interfaces with options like
-s 1500 ip a.b.c.d
where a.b.c.d is the IP address of the external server you are trying to communicate with
then reproduce the issue, stop the capture, and load into wireshark or inspect on the packet cature page.
wireshark is good as it highlights bad packetsd in red usually.
hope this helps.
Thanks, using that now to capture variations of packets to try and identify the ongoing issue. Got WireShark too so will open within there to see any major errors.