From: Ondřej Surý <ondrej@isc.org>
Date: Fri, 20 Feb 2026 16:56:37 +0000 (+0100)
Subject: [9.20] chg: usr: Optimize the TCP source port selection on Linux
X-Git-Tag: v9.20.20~16
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d4426f85b36a164a8b32b05bf6cb277e618af2ab;p=thirdparty%2Fbind9.git

[9.20] chg: usr: Optimize the TCP source port selection on Linux

Enable a socket option on the outgoing TCP sockets to allow faster selection of the source <address,port> tuple for different destination <address,port> tuples when nearing over 70-80% of the source port utilization.

Backport of MR !11569

Merge branch 'backport-improve-selection-of-outgoing-TCP-port-9.20' into 'bind-9.20'

See merge request isc-projects/bind9!11573
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