Date: Mon, 12 Oct 2020 23:48:08 +0200 From: Andreas Longwitz <longwitz@incore.de> To: J David <j.david.lists@gmail.com> Cc: freebsd-pf@freebsd.org Subject: Re: Packets passed by pf don't make it out? Message-ID: <5F84CF18.1040905@incore.de> In-Reply-To: <CABXB=RRdbDYyKfXUtyc9eW-P8eoX2nUb1A1Tn46MHWv5YNjT0g@mail.gmail.com> References: <CABXB=RSO2UDx2=LWx7W5SigYgJcaZ3vUTR0%2BVTDJUx2QezHK1Q@mail.gmail.com> <CABXB=RQE74yggCj6=Zizb2rQjtCi=hg155J0_u=NRK2Q3QHmqg@mail.gmail.com> <5F8336C7.5020709@incore.de> <CABXB=RRdbDYyKfXUtyc9eW-P8eoX2nUb1A1Tn46MHWv5YNjT0g@mail.gmail.com>
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Hello, now I can confirm (on FreeBSD 10 Stable) what you see on fb2 when your program udp_client is running on fb1. pf creates a state for the first packet only, for the other packets pf failes to create a state with messages like pf: stack key attach failed on re0: UDP in wire: 192.168.14.10:23456 172.16.0.2:12345 stack: 192.168.14.10:23456 192.168.14.100:12345 1:0, existing: UDP in wire: 192.168.14.10:23456 172.16.0.1:12345 stack: 192.168.14.10:23456 192.168.14.100:12345 1:0 pf gives this messages in debug mode (pfctl -x loud). I do not know if we see a bug in pf or if your program udp_client does something illegal, I think Kristof can tell us. Regards Andreas
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