Why isn't it possible to lower TCP values of running SSH session?

[john smith]

On Tue, Nov 24, 2015 at 12:57 AM, Damien Miller <djm at mindrot.org> wrote:
> TCP is the kernel's responsibility. I guess that these values get
> copied into each TCB from the copy managed via proc at connection
> start time, but never updated afterwards.
>

This had to happen but the question is why is it possible to increase
a timeout but not to decrease it.

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<wempwer at gmail.com>