Date: Thu, 23 Oct 2014 14:56:40 +0400 From: "Andrey V. Elsukov" <bu7cher@yandex.ru> To: Matthew Grooms <mgrooms@shrew.net>, freebsd-net@freebsd.org Subject: Re: Broken IPsec + enc +pf/ipfw Message-ID: <5448DEE8.40100@yandex.ru> In-Reply-To: <54480578.6020106@shrew.net> References: <544535C2.9020301@shrew.net> <544566D2.40303@FreeBSD.org> <544569CF.2060905@shrew.net> <54457599.4060102@yandex.ru> <54458001.6000507@shrew.net> <544611F8.9070403@yandex.ru> <20141021160643.GB2787@1970jan1-epo.ch> <54468B43.40602@shrew.net> <20141021183919.GD2787@1970jan1-epo.ch> <54480578.6020106@shrew.net>
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On 22.10.2014 23:28, Matthew Grooms wrote: > On 10/21/2014 1:39 PM, Kyle Williams wrote: >> On Tue Oct 21 11:35:15 2014, Matthew Grooms wrote: >>> Hey Kyle, >>> >>> Thanks for lending a hand. I tested a few myself last night but had no >>> luck. This morning I received an email off list that pointed to a patch >>> that was merged to 10 stable. It sounds promising ... >>> >>> Log: >>> Merge r263091: fix mbuf flags clash that lead to failure of operation >>> of IPSEC and packet filters. >>> >>> https://lists.freebsd.org/pipermail/svn-src-stable-10/2014-March/001111.html >>> >>> >>> I won't have a chance to try it until after business hours tonight, but >>> will report back to the list with my results. Alternately, I assume you >>> also could upgrade to 10.1-RC2 as the MFC for this patch happened back >>> in March. I may go this route myself and then bump up to RELEASE in a >>> few weeks when it happens. >> >> r263091, r266800, and r272695 together on 10.0-RELENG works for me. >> >> I didn't test r263091 by itself. >> > > I couldn't get a kernel to boot without crashing with the single patch, > (r263091) applied. With all three patches, I can also confirm that the > problem is resolved. > > And some additional info: I also experimented with using gif + IPsec > transport mode instead of enc + IPsec tunnel mode. I was hoping that > changing the configuration would work around the issue. Unfortunately, > gif + IPsec transport mode was exhibiting the same type of problems that > enc + IPsec tunnel mode was, even with a patched kernel ( pf doesn't see > the traffic on the gif interface so return traffic gets blocked for lack > of a state entry ). Since you applied r266800, you now may apply r272394. -- WBR, Andrey V. Elsukov
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