| Date | Wed, 28 Jul 2021 12:12:44 +0200 | From | Pavel Machek <> | Subject | Re: [PATCH 5.10 099/167] tcp: disable TFO blackhole logic by default |
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Hi!
> [ 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. https://blog.apnic.net/2021/07/05/tcp-fast-open-not-so-fast/) > 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, Pavel
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