Date: Fri, 22 Jun 2018 09:47:21 +0000 From: bugzilla-noreply@freebsd.org To: ports-bugs@FreeBSD.org Subject: [Bug 229226] net/tcpdump ... wrong interface capturing Message-ID: <bug-229226-7788@https.bugs.freebsd.org/bugzilla/>
next in thread | raw e-mail | index | archive | help
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D229226 Bug ID: 229226 Summary: net/tcpdump ... wrong interface capturing Product: Ports & Packages Version: Latest Hardware: Any OS: Any Status: New Severity: Affects Only Me Priority: --- Component: Individual Port(s) Assignee: garga@FreeBSD.org Reporter: feh@fehcom.de Flags: maintainer-feedback?(garga@FreeBSD.org) Assignee: garga@FreeBSD.org tcpdump behaves erratically capturing packets: 1. IPv6 packets are not correctly captured to an interface (see below). 2. Capturing IPv4 packets on the loopback IF lo0 though does not work.=20 root@bigchief:/home/djbdns/DEVELOP/VERS_2/djbdnscurve6-29/compile # tcpdump= -i lo0 -vvvv udp port 53 tcpdump: listening on lo0, link-type NULL (BSD loopback), capture size 2621= 44 bytes 11:35:12.033774 IP6 (hlim 64, next-header UDP (17) payload length: 40) fd00::1:21e:90ff:fead:5a07.22884 > fd00::1:21e:90ff:fead:5a07.domain: [bad = udp cksum 0xd1e2 -> 0x93e8!] 6765+ A? www.spiegel.de. (32) 11:35:12.033968 IP6 (hlim 64, next-header UDP (17) payload length: 40) fd00::1:21e:90ff:fead:5a07.22884 > fd00::1:21e:90ff:fead:5a07.domain: [bad = udp cksum 0xd1e2 -> 0xb378!] 64193+ AAAA? www.spiegel.de. (32) 11:35:12.034279 IP6 (hlim 64, next-header UDP (17) payload length: 170) fd00::1:21e:90ff:fead:5a07.domain > fd00::1:21e:90ff:fead:5a07.22884: [bad = udp cksum 0xd264 -> 0x62f2!] 6765 q: A? www.spiegel.de. 7/0/0 www.spiegel.de. [= 0s] CNAME aacfb9d106f4.link11.de., aacfb9d106f4.link11.de. [4m57s] A 128.65.210.181, aacfb9d106f4.link11.de. [4m57s] A 128.65.210.185, aacfb9d106f4.link11.de. [4m57s] A 128.65.210.183, aacfb9d106f4.link11.de. [4m57s] A 128.65.210.180, aacfb9d106f4.link11.de. [4m57s] A 128.65.210.182, aacfb9d106f4.link11.de. [4m57s] A 128.65.210.184 (162) FreeBSD bigchief.fehnet.de 11.0-RELEASE-p15 FreeBSD 11.0-RELEASE-p15 #0: Tue Nov 14 08:04:40 UTC 2017=20=20=20=20 root@amd64-builder.daemonology.net:/usr/obj/usr/src/sys/GENERIC amd64 --=20 You are receiving this mail because: You are the assignee for the bug.=
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?bug-229226-7788>