Re: Client receives TCP packets but does not ACK

Alan Cox (alan@lxorguk.ukuu.org.uk)
Sun, 17 Jun 2001 20:32:49 +0100 (BST)


> > Specifically
> > 1. If the receiver closes and there is unread data many TCP's forget
> > to RST the sender to indicate that data was lost.
>
> Do at least FreeBSD, Solaris and NT sent RST correctly?

I dont believe so

> > 2. There is a flaw in the TCP protocol itself that is extremely unlikely
> > to bite people but can in theory cause wrong data in some unusual
> > circumstances that Ian Heavans found and has yet to be fixed by
> > the keepers of the protocol.
>
> This is interesting; where are details?

http://www.schooner.com/~loverso/Public/Internet-Drafts/draft-heavens-problems-rsts-00.txt

Yes a 1996 tcp protocol flaw that still hasnt been fixed.

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