Should the default, though, be so low? If someone is still using a old modem they can crank up the sysctl, it does seem like such things are pretty rare these days :). Its rather trivial to, without any kind of attack, hit 1Mbps of lost fragments in today's networks, at which point all fragments are dropped. After all, I submitted the patch to "scratch my own itch" :).


On 4/18/21 00:39, Willy Tarreau wrote:
I do agree that we shouldn't keep them that long nowadays, we can't go
too low without risking to break some slow transmission stacks (SLIP/PPP
over modems for example).

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