encrypted SIP/RTSP conn tracking

Hello!

I use Linphone and SIP via TLS and SRTP.

I notice that the incoming SRTP is being blocked.

Is there any way to track that to allow it on demand?

Aug 07 18:46:57 zbook kernel: filter_IN_FedoraServer_REJECT: IN=vpn0 OUT= MAC= SRC=2a04:2100:0000:0300:0000:0000:0000:0160 DST=2a01:0170:xxxx LEN=80 TC=184 HOPLIMIT=57 FLOWLBL=0 PROTO=UDP SPT=13211 DPT=58422 LEN=40

I can set static dst ports for that, if that is a way.