Re: Invalid SACK numbers in NAT'ed packets

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On Fri, 25 Apr 2008, Jan Engelhardt wrote:

> 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.

True, it was added to 2.6.25. I should have checked the facts before 
posting.

Best regards,
Jozsef
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