Check to see if you are being sent INVITES from random IP's. If the
attackers don't have their scripts set up correctly they don't respond
correctly to your responses which Asterisk does not like.
On Wed, Jan 13, 2021 at 9:38 AM Fourhundred Thecat <400thecat at gmx.ch>
wrote:
> Hello,
>
> I am suddenly having my log flooded by these warnings:
>
> WARNING: Retransmission timeout reached on transmission
> 1372443000-1325687561-974574282 for seqno 1 (Critical Response)
> WARNING: Retransmission timeout reached on transmission
> 283912657-2003707522-1284343849 for seqno 1 (Critical Response)
> WARNING: Retransmission timeout reached on transmission
> 1194054411-1178477038-106915148 for seqno 1 (Critical Response)
>
> There is also a link to the wiki in the log message:
>
> -- See
> https://wiki.asterisk.org/wiki/display/AST/SIP+Retransmissions#012Packet
> timed out after 32000ms with no response
>
> but still, I was not able to find out what this means, and which
> connection/extension this relates to.
>
> What does this actually mean, and how can I get rid of these warnings?
>
> thanks,
>
>
> --
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