Hi,

I have a problem with http traffic from two Windows 2008 servers through our 
firewall.

It gets dropped by SmartDefense with the following information:

Attack                  Bad TCP sequence
Attack Information      SYN retransmit with different windows scale

I thought this could be a problem with TCP windows scale in Windows 2008:

http://support.microsoft.com/kb/934430

but even after we disabled the windows scale on the server it doesnt work.

Anyone know of a fix for this (except disabling Sequence Verifier as that is 
not an option)?

We use R61 HFA01 on that firewall.

Is it fixed in newer versions?

Regards,
Torkel

Scanned by Check Point Total Security Gateway.

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