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Open Source and information security mailing list archives
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Date: Tue, 22 May 2007 23:33:30 +0000 From: "Thomas B. Rücker" <dm8tbr@...npma.org> To: Stephen Hemminger <shemminger@...ux-foundation.org>, Philipp Gühring <pg@...ureware.at>, netdev@...r.kernel.org Subject: Re: UDP checksum broken since 2.6.18? Stephen Hemminger wrote: > The packet passed to packet capture programs may not have a valid checksum > if you have checksum offload configured on the device. What kind of hardware > do you have on sender and receiver? The c-snippet uses 127.x.x.x --> loopback I think Philipp tested this on real NICs too. I just proxied this information to this list because I don't have the indepth knowledge about IP, UDP and the kernel. I had a Chat with Ralf Baechle and he recommended sending a report to netdev@. Maybe Philipp can give some more information. He discovered this. Cheers Thomas - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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