Messages in this thread | | | From | Stephen Hemminger <> | Subject | Re: 2.6.9 tcp problems | Date | Mon, 29 Nov 2004 10:35:48 -0800 |
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On Mon, 29 Nov 2004 13:03:34 -0500 kernel <kernel@nea-fast.com> wrote:
> I've run into a problem with 2.6.(8.1,9) after installing a secondary > firewall. When I try to pull data through the original firewall (mail, > http, ssh), it stops after approx. 260k. Running ethereal tells me "A > segment before the frame was lost" followed by a bunch of "This is a > TCP duplicate ack" when using ssh. All 2.4.x machines and windows > clients work fine. I built 2.4.28 and it works fine from my machine. I > also fiddled with tcp_ecn and that didn't fix it either. I don't have > any problems communicating to "local" machines. I've attached the > tcpdump output from an scp attempt. NIC is a 3Com Corporation 3c905B.
What kind of firewall? There are firewalls that are too stupid and don't understand TCP window scaling. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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