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From: Nicolas KOWALSKI <niko@petole.dyndns.org>
To: netfilter@vger.kernel.org
Subject: Re: ip6tables icmp conntracking on 2.6.18 vs 2.6.24
Date: Thu, 03 Apr 2008 17:35:46 +0200	[thread overview]
Message-ID: <873aq3ymr1.fsf@petole.dyndns.org> (raw)
In-Reply-To: <47F4F2B0.9020205@plouf.fr.eu.org>

Pascal Hambourg <pascal.mail@plouf.fr.eu.org> writes:

> However it appears that ICMPv6 types related to neighbor discovery
> (router advertisement, neighbor solicitation/advertisement...) are
> always in the INVALID state.

Well, I am confused; I am not able to reproduce what I saw before...
(before last reboot) :-|


I now only have these kernel messages:

IN=eth0 OUT= MAC=33:33:00:00:00:02:00:0f:1f:c9:4e:7d:86:dd SRC=fe80:0000:0000:0000:020f:1fff:fec9:4e7d DST=ff02:0000:0000:0000:0000:0000:0000:0002 LEN=56 TC=0 HOPLIMIT=255 FLOWLBL=0 PROTO=ICMPv6 TYPE=133 CODE=0

IN=eth0 OUT= MAC=33:33:00:00:00:02:00:0e:35:6c:eb:d0:86:dd SRC=fe80:0000:0000:0000:020e:35ff:fe6c:ebd0 DST=ff02:0000:0000:0000:0000:0000:0000:0002 LEN=56 TC=0 HOPLIMIT=255 FLOWLBL=0 PROTO=ICMPv6 TYPE=133 CODE=0


ip6tables -nvL shows:

petole:~# ip6tables -nvL
Chain INPUT (policy ACCEPT 0 packets, 0 bytes)
 pkts bytes target     prot opt in     out     source               destination
  180 19680 ACCEPT     0        *      *       ::/0                 ::/0               state RELATED,ESTABLISHED
    5   340 LOG        0        *      *       ::/0                 ::/0               state INVALID LOG flags 0 level 4
    5   340 DROP       0        *      *       ::/0                 ::/0               state INVALID
    0     0 ACCEPT     0        lo     *       ::/0                 ::/0
    0     0 ACCEPT     0        eth0   *       fe80::/64            ::/0
    0     0 ACCEPT     0        eth0   *       2001:6f8:3f1::/48    ::/0
   13  1352 ACCEPT     icmpv6    *      *       ::/0                 ::/0
    0     0 ACCEPT     tcp      *      *       ::/0                 ::/0               tcp dpt:22
    0     0 ACCEPT     tcp      *      *       ::/0                 ::/0               tcp dpt:25
    0     0 ACCEPT     tcp      *      *       ::/0                 ::/0               tcp dpt:80
    0     0 ACCEPT     tcp      *      *       ::/0                 ::/0               tcp dpt:443
    0     0 ACCEPT     tcp      *      *       ::/0                 ::/0               tcp dpt:465
    0     0 ACCEPT     tcp      *      *       ::/0                 ::/0               tcp dpt:993
    0     0 DROP       0        *      *       ::/0                 ::/0

Chain FORWARD (policy ACCEPT 0 packets, 0 bytes)
 pkts bytes target     prot opt in     out     source               destination
    0     0 ACCEPT     0        *      *       ::/0                 ::/0               state RELATED,ESTABLISHED
    0     0 LOG        0        *      *       ::/0                 ::/0               state INVALID LOG flags 0 level 4
    0     0 DROP       0        *      *       ::/0                 ::/0               state INVALID
    0     0 ACCEPT     0        eth0   *       2001:6f8:3f1::/48    ::/0
    0     0 DROP       0        *      *       ::/0                 ::/0

Chain OUTPUT (policy ACCEPT 194 packets, 20168 bytes)
 pkts bytes target     prot opt in     out     source               destination

-- 
Nicolas

  parent reply	other threads:[~2008-04-03 15:35 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-04-02 21:26 ip6tables icmp conntracking on 2.6.18 vs 2.6.24 martin f krafft
2008-04-02 21:44 ` Petr Pisar
2008-04-02 21:57   ` Jan Engelhardt
2008-04-02 22:05   ` martin f krafft
2008-04-03  8:18 ` martin f krafft
2008-04-03  9:29   ` Pascal Hambourg
2008-04-03  9:36     ` Nicolas KOWALSKI
2008-04-03 10:26     ` martin f krafft
2008-04-03 15:07       ` Pascal Hambourg
2008-04-03 15:23         ` martin f krafft
2008-04-03 23:00           ` Pascal Hambourg
2008-04-03 23:03             ` Pascal Hambourg
2008-04-04  8:50             ` martin f krafft
2008-04-04 16:19               ` Pascal Hambourg
2008-04-08 13:15                 ` martin f krafft
2008-04-03 15:35         ` Nicolas KOWALSKI [this message]
2008-04-03 15:38           ` martin f krafft
2008-04-03 15:48             ` Nicolas KOWALSKI
2008-04-04  8:51               ` martin f krafft
2008-04-04  8:57                 ` Nicolas KOWALSKI
2008-04-04 11:04                   ` martin f krafft
2008-04-04 11:59                     ` Nicolas KOWALSKI
2008-04-04 12:39                       ` martin f krafft
2008-04-04 17:57                         ` Nicolas KOWALSKI
2008-04-03 16:14             ` Jozsef Kadlecsik
2008-04-04  6:22               ` martin f krafft
2008-04-04  9:39                 ` Jozsef Kadlecsik
2008-04-04  7:32               ` RFC 4890 (icmpv6 firewall recommendations) and ip6tables (was: ip6tables icmp conntracking on 2.6.18 vs 2.6.24) martin f krafft
2008-04-04  9:12                 ` Jozsef Kadlecsik
2008-04-04 11:15                   ` martin f krafft
2009-03-11 12:44                     ` martin f krafft
2009-03-21 13:43                       ` RFC 4890 (icmpv6 firewall recommendations) and ip6tables Chris Hills

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