On 5 February 2017 at 18:13, Bakul Shah <ba...@bitblocks.com> wrote:

> If they implement close correctly, they should be able to implement
> close-read correctly, it being a pure subset. In theory :-)
but they didn't, so it's useless.

> As for SYN+data+FIN you had to have both sides properly implement rfc1644
> or the T/TCP extension.

the original tcp/ip spec allowed for it, if implemented carefully (partly
because of its heritage), but again, mismatch of implementations rendered
it useless.

> This extension was deprecated at least by 2004 due to "the ease of DoS
> attacks that can result".

yes, that's exactly what meant there was no longer any point in trying.

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