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From: James A Sutherland <jas88@cam.ac.uk>
To: "Joseph Gooch" <mrwizard@psu.edu>, <linux-kernel@vger.kernel.org>
Subject: Re: ECN causing problems
Date: Wed, 22 Nov 2000 12:37:46 +0000	[thread overview]
Message-ID: <00112212385001.02632@dax.joh.cam.ac.uk> (raw)
In-Reply-To: <006301c05433$feb8c0c0$0200020a@wizws>
In-Reply-To: <006301c05433$feb8c0c0$0200020a@wizws>

On Wed, 22 Nov 2000, Joseph Gooch wrote:
> My RaptorNT 6.5 firewall rejects all connections from my linux box when ECN
> is enabled.  The error is attached.  Perhaps this feature should be disabled
> by default?  Or is there already an option of the sort that i'm missing?  I
> only got the idea to disable it after a search of linux-kernel.

It's a faulty firewall. Have you checked for updates?

> Plz cc me, I"m not on the list.
> 
> Later!
> Joe Gooch
> 
> TCP packet dropped (10.204.186.7->x.x.x.x: Protocol=TCP[SYN 0xc0] Port
> 1255->2401): Bad TCP flags combination (received on interface 192.168.1.1)
> (probable QueSO probe as flags=0xc2)

ECN is NOT a "bad flags combination", RaptorNT is a bad firewall. Upgrade or
replace with something RFC compliant.


James.
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      parent reply	other threads:[~2000-11-22 13:08 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2000-11-22  3:26 Joseph Gooch
2000-11-22  3:46 ` David Weinehall
2000-11-22 11:43 ` Igmar Palsenberg
2000-11-22 12:00 ` Alan Cox
2000-11-22 12:37 ` James A Sutherland [this message]

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