issue with 3cx SBC

[adam5000]

WARNING | 20230626-184350.581 | 3CX | SBC | 14256 | security.cpp:1158 | === TCP Statistics: uptime 0 sec, KA rx/tx 0/0, bytes rx/tx 0/0, elapsed ms rx/tx 109/109
WARNING | 20230626-184350.581 | 3CX | SBC | 14256 | TunnelUdp.cpp:333 | === UDP Statistics: Passive, downtime 0 sec, UDPA rx/tx 185/185 sec ago, bytes rx/tx 0/0, queue tx 0, skip tx 0
ERR | 20230626-184352.549 | 3CX | SBC | 14256 | TunnelTcp.cpp:607 | Socket error (10061):
ERR | 20230626-184352.549 | 3CX | SBC | 14256 | TunnelTcp.cpp:305 | Bridge failure on exception while connecting: No connection could be made because the target machine actively refused it.
WARNING | 20230626-184352.549 | 3CX | SBC | 14256 | security.cpp:1158 | === TCP Statistics: uptime 0 sec, KA rx/tx 0/0, bytes rx/tx 0/0, elapsed ms rx/tx 2078/2078
WARNING | 20230626-184352.549 | 3CX | SBC | 14256 | TunnelUdp.cpp:333 | === UDP Statistics: Passive, downtime 2 sec, UDPA rx/tx 187/187 sec ago, bytes rx/tx 0/0, queue tx 0, skip tx 0
NOTICE | 20230626-184352.549 | 3CX | SBC | 14256 | TunnelTcp.cpp:328 | Closing TCP socket
NOTICE | 20230626-184352.549 | 3CX | SBC | 14256 | security.cpp:1146 | TCP Connecting -> Invalid
NOTICE | 20230626-184352.549 | 3CX | SBC | 14256 | TunnelUdp.cpp:19 | close: Passive -> Closed

What are the requirements? I have disabled the firewall on the computer.

But the customer has a firewall.

Which kind of information should i provide to their IT?

 

[ivank]

Hello, please study "Ports required for remote 3CX Apps & SBC" section of this guide:
https://www.3cx.com/docs/manual/firewall-router-configuration/