Date: Mon, 26 Nov 2007 22:58:55 +0000 (UTC) From: "Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net> To: Nick Hilliard <nick-lists@netability.ie> Cc: freebsd-net@freebsd.org Subject: Re: tcp md5 checksums broken in 7.0-beta3 Message-ID: <20071126224649.C53707@maildrop.int.zabbadoz.net> In-Reply-To: <474B24F3.2030603@netability.ie> References: <474B24F3.2030603@netability.ie>
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On Mon, 26 Nov 2007, Nick Hilliard wrote: Hi, > Are TCP MD5 checksums working at all in freebsd7.0-beta3? I've got two > physically identical machines, one running 6.2 and the other 7.0-beta3. > Both are running quagga 0.99.9 with the md5 patch. On the 6.2 box, packets > are being correctly tagged, according to tcpdump (with the print-tcp.c > memcmp() patch). ... > Looks like collateral damage from some other change to the tcp code between > 6.2 and 7.0. not that this should fix your problem but you might want to start with this patch: http://sources.zabbadoz.net/freebsd/patchset/sys-netinet-tcp-syncache.c-20071126-01.diff I'll try to find your bug the next days (in case you find anything let me know). I don't know how much quagga does these days but policies are setup correctly on both machines and you are not finding any failed SADB lookup warninge in dmesg on the 7 machine? -- Bjoern A. Zeeb bzeeb at Zabbadoz dot NeT Software is harder than hardware so better get it right the first time.
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