[Freeswitch-users] SBC not responding to syn
Adiseshu Channasamudhram
csadi at hotmail.com
Fri Oct 10 20:18:23 UTC 2025
Hello Freeswitch experts !
I have a new setup as below and it is not responding to any syn request
--------a-FS SBC-b—----------------External SBC
In the above setup, the b side of the sbc has two IPs - one of them is a public IP
External SBC is sending syn request to interface b and to the public IP and I can see this in the tcpdump on the FS SBC but I dont see the FS-SBC responding.
When I do netstat, I do see the freeswitch listening on that IP and port.
All the firewall stuff on the vm has been disabled
Acl is updated on the fs.
Any thoughts and suggestions will be greatly appreciated
Regards
A
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