Re: Fixing "Slipping in the window" before 4.11-release

From: Mark Allman (mallman_at_icir.org)
Date: 01/03/05

  • Next message: Don Lewis: "Re: Fixing "Slipping in the window" before 4.11-release" 
    To: Mike Silbersack <silby@silby.com>
Date: Mon, 03 Jan 2005 13:40:48 -0500

    > The SYN side of the equation, however, is a bit more tricky. The
    > proposed RFC recommends ACKing SYN packets in the window, just like
    > we do to SYN packets to the left of the window right now.
    >
    > For the life of me, I can't figure out why SYN packets (other than
    > delayed retransmissions of the original SYN) would ever show up once
    > a connection is in the ESTABLISHED state. So, I'm proposing the
    > attached patch, which simply ignores any packet with the SYN flag on
    > it while a connection is in the ESTABLISHED state. This means that
    > SYN packets left of the window will no longer receive an ACK, and
    > SYN packets in the window will no longer reset the connection. In
    > all states other than ESTABLISHED, SYN packets are handled as they
    > were before, in case there's some edge case where that could happen.

    This sounds OK to me. FWIW.

    allman 

    --
Mark Allman -- ICIR -- http://www.icir.org/mallman/

  • Next message: Don Lewis: "Re: Fixing "Slipping in the window" before 4.11-release"

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