Date: Sat, 29 Dec 2012 12:56:52 +0100 From: Mark Martinec <Mark.Martinec+freebsd@ijs.si> To: freebsd-pf@freebsd.org Subject: Re: nc: connect to b:b:b:b::1:1 port 53 (tcp) failed: Operation timed out Message-ID: <201212291256.52378.Mark.Martinec%2Bfreebsd@ijs.si> In-Reply-To: <031FA6BE-B5A9-4197-ABAC-8883D48FA8FC@odo.in-berlin.de> References: <14C709A3-B608-44C3-B12F-5F6790AA60DC@odo.in-berlin.de> <031FA6BE-B5A9-4197-ABAC-8883D48FA8FC@odo.in-berlin.de>
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On Saturday December 29 2012 10:48:41 Michael Grimm wrote: > - Disabling PF at 9.1 allows outgoing tcp6 to 9.1 with enabled PF. > > Thus, it seems to me that the pf code in 9.1 is responsible for screwing > tcp6. Make sure to have 'scrub reassemble tcp' off: misc/172648: pf(4): 'scrub reassemble tcp' breaks IPv6 packet checksum on SYN ACK http://www.freebsd.org/cgi/query-pr.cgi?pr=172648 Mark
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