On Tue, Sep 06, 2005 at 07:29:30PM +0200, Marc Lehmann <[email protected]> wrote:
> Weird obervation 2:
>
> Some sites could be connected to with TCP. It turned out that those
> sites did not support TCP SACK. Indeed, turning off SACK either on the
> remote side of a connection or on the origonator side resulted in workign
> masquerading:
Sorry for the F'up, but this turned to be slightly untrue: turning off SACK
makes the syn handshake happen, but some packets further down the stream
the masquerading router sends a RST again.
> Kernels that don't work:
>
> 2.6.13-rc7 (compiled with gcc-3.4 and 4.0.2 debian), 2.6.13 (gcc-4.02)
>
I forgot to mention that the kernels that don't work are for amd64. In
the meantime, I also tried out 2.6.11 (as I had some troubles with
2.6.12..2.6.13-rc7 on other amd64 machines), with the same result (reply
packets are ignored/rejected).
--
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