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Hello Team,
We are facing some big challenges when we are inside the firewall where port security is implemented.
We opened all the required TCP and UDP ports but getting blank video.
We are seeing that when user join in conference some random TCP ports generated.
Please find the below netstat result & give us a solution which TCP/UDP ports requited to be opened inside the firewall.
[root@localhost ~]# netstat -tuplen
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address Foreign Address State User Inode PID/Program name
tcp 0 0 0.0.0.0:111 0.0.0.0:* LISTEN 0 10856 1/systemd
tcp 0 0 0.0.0.0:4369 0.0.0.0:* LISTEN 990 19866 1502/epmd
tcp 0 0 0.0.0.0:42902 0.0.0.0:* LISTEN 0 1048060 31637/./woogeen_aud
tcp 0 0 0.0.0.0:34135 0.0.0.0:* LISTEN 0 1045724 31645/./woogeen_vid
tcp 0 0 0.0.0.0:2232 0.0.0.0:* LISTEN 0 19709 1198/sshd
tcp 0 0 0.0.0.0:42943 0.0.0.0:* LISTEN 0 1045720 31652/./woogeen_acc
tcp 0 0 0.0.0.0:5666 0.0.0.0:* LISTEN 992 21550 1194/nrpe
tcp 0 0 0.0.0.0:38407 0.0.0.0:* LISTEN 0 1047670 31652/./woogeen_acc
tcp 0 0 0.0.0.0:25672 0.0.0.0:* LISTEN 990 18730 1487/beam.smp
tcp 0 0 0.0.0.0:27017 0.0.0.0:* LISTEN 0 18691 1350/mongod
tcp6 0 0 :::111 :::* LISTEN 0 10855 1/systemd
tcp6 0 0 :::8080 :::* LISTEN 0 239806 30582/node
tcp6 0 0 :::4369 :::* LISTEN 990 19867 1502/epmd
tcp6 0 0 :::3000 :::* LISTEN 0 239481 30509/node
tcp6 0 0 :::2232 :::* LISTEN 0 19711 1198/sshd
tcp6 0 0 :::3001 :::* LISTEN 0 238498 31051/node
tcp6 0 0 :::443 :::* LISTEN 0 238500 31051/node
tcp6 0 0 :::5672 :::* LISTEN 990 19887 1487/beam.smp
udp 0 0 0.0.0.0:60660 0.0.0.0:* 0 239855 30802/./woogeen_sip
udp 0 0 0.0.0.0:111 0.0.0.0:* 0 1050906 2952/rpcbind
udp 0 0 10.10.200.166:50002 0.0.0.0:* 0 1048825 31652/./woogeen_acc
udp 0 0 10.10.200.166:50003 0.0.0.0:* 0 1048830 31652/./woogeen_acc
udp 0 0 0.0.0.0:1007 0.0.0.0:* 0 1050907 2952/rpcbind
udp 0 0 0.0.0.0:46791 0.0.0.0:* 0 239852 30797/./woogeen_sip
udp6 0 0 :::111 :::* 0 1050908 2952/rpcbind
udp6 0 0 :::1007 :::* 0 1050909 2952/rpcbind
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Now TCP is used for internal stream transmission, UDP is used for external WebRTC connection. Both of them can be set through TOML configuration files. TCP port range config through [internal] and UDP port range config through [webrtc].

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