Re: Invalid SACK numbers in NAT'ed packets

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If I am reading the news correctly, it is available in the latest 2.6.25 kernel, right?

Thanks,
 Leonid


----- Original Message ----- From: "Jan Engelhardt" <jengelh@xxxxxxxxxxxxxxx>
To: "Jozsef Kadlecsik" <kadlec@xxxxxxxxxxxxxxxxx>
Cc: "Leonid Zeitlin" <lz@xxxxxxxxxxxx>; <netfilter@xxxxxxxxxxxxxxx>; <netfilter-devel@xxxxxxxxxxxxxxx>
Sent: Friday, April 25, 2008 1:57 PM
Subject: Re: Invalid SACK numbers in NAT'ed packets



On Friday 2008-04-25 11:02, Jozsef Kadlecsik wrote:

On Fri, 25 Apr 2008, Leonid Zeitlin wrote:

It appears that short of writing a custom netfilter extension, there's no way
to turn off SACKs on a particular connection. Is this right?

Yes, exactly. Actually, writing a new extension to erase any TCP option
isn't that hard: just replace the option with noop and recalculate the
checksum.

There is already a TCPOPTSTRIP target.


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