Advisory: Sophos Endpoint "Your connection isn't private" after reboot. Policy settings can be returned to normal. See: KB-000045954 for the latest updates.

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sip module only works for a short time

Hello all,

I use a Fritzbox behind the XG with PhonerLite or LinPhone as SIP client. My provider is 1&1.

Unfortunately, I have noticed that the SIP module crashes after a short time and that I only hear the ringing on new calls, but not the person I am talking to.

I have now searched through the logs and found that the telephony works until I find the following in the log:

localhost kernel: [266259.312048] ip_nat_sip_expected: doing self nating: <212.227.124.5>
localhost kernel: [266261.783797] ip_nat_sip_expected: doing self nating: <212.227.124.5>

Does anyone have any idea what the problem is here?

Regards
Marc



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