[Bug 250499] [tcp] Should we reject the packet with timestamp if no timestamp in SYN and SYN_ACK?

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=250499

Roman Bogorodskiy <novel at FreeBSD.org> changed:

           What    |Removed                     |Added
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                 CC|                            |novel at FreeBSD.org

--- Comment #5 from Roman Bogorodskiy <novel at FreeBSD.org> ---
Hi,

Hope this is a right place to report this.
This commit appears to be causing issues with the multimedia/plexmediaserver
port. One of the tasks of this software is to do video decoding, and after this
patch that breaks. Sometimes its HTTP-based API fails to respond, and also
there are a many connections in LAST_ACK state:

$ netstat -4n|grep LAST_ACK|wc -l
     415
$ netstat -4n|grep LAST_ACK|grep "127.0.0.1.32400"|wc -l
     396

127.0.0.1.32400 corresponds to the Plex API endpoint.

Reverting this patch fixes the issue.

Original bug report is here:
https://forums.plex.tv/t/transcoder-errors-on-freebsd/676180 (thanks to forum
user Volts for pointing to this commit).

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