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SubjectRe: [PATCH 5.10 099/167] tcp: disable TFO blackhole logic by default

> [ Upstream commit 213ad73d06073b197a02476db3a4998e219ddb06 ]
> Multiple complaints have been raised from the TFO users on the internet
> stating that the TFO blackhole logic is too aggressive and gets falsely
> triggered too often.
> (e.g.
> Considering that most middleboxes no longer drop TFO packets, we decide
> to disable the blackhole logic by setting
> /proc/sys/net/ipv4/tcp_fastopen_blackhole_timeout_set to 0 by
> default.

I understand this makes sense for mainline, but should we have this in
stable? Somebody may still be using broken middlebox with their
"stable" server.

Best regards,

DENX Software Engineering GmbH, Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
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