Date: Sat, 19 Jun 2010 16:47:00 +0000 (UTC) From: Marcin Wisnicki <mwisnicki+freebsd@gmail.com> To: freebsd-ipfw@freebsd.org Subject: tcpdump on ipfw0 and ipv6 Message-ID: <hvisa4$2ni$1@dough.gmane.org>
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I'm trying to log ipv6 traffic with following rule: ipfw add 10 set 6 count log ip6 from any to any with `ipfw enable verbose` it is correctly logged to /var/log/security: > Jun 19 18:40:16 ghost kernel: ipfw: 10 Count TCP [...]:56233 [...]:22 in via vr0 however when I do `ipfw disable verbose` and `tpdump -ni ipfw0` all I can see is: # tcpdump -ni ipfw0 tcpdump: WARNING: ipfw0: no IPv4 address assigned tcpdump: verbose output suppressed, use -v or -vv for full protocol decode listening on ipfw0, link-type EN10MB (Ethernet), capture size 96 bytes 18:41:43.563579 IP6 , wrong link-layer encapsulationbad-hlen 0 18:41:43.563598 IP6 , wrong link-layer encapsulationbad-hlen 0 18:41:43.563747 IP6 , wrong link-layer encapsulationbad-hlen 0 Am I doing something wrong or is logging to ipfw0 broken for ip6 ? uname: FreeBSD 8.1-PRERELEASE #3: Sun Jun 6 21:14:57 CEST 2010 from sources checked out that day
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