From mboxrd@z Thu Jan  1 00:00:00 1970
From: Nagy Zoltan <kirk@elte.hu>
Subject: ipt_NOTRACK - icmp redirect problem
Date: Sat, 21 May 2005 06:48:12 +0159
Message-ID: <428EBDA2.10003@elte.hu>
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hi

i've encountered a problem with NOTRACK, if a packet which isn't tracked emits an icmp-redirect,
it appears on lo instead of the in device, and messages appear from kernel like:
Redirect from 192.168.245.100 on lo about 172.16.92.1 ignored.
   Advised path = 0.0.0.0 -> 0.0.0.0, tos 00


ip r f t tx_in
ip r f t tx_out
#ip r f t local

ip l s eth1 up
ip l s eth2 up
ip a f dev eth1
ip a f dev eth2

ip a a 0.0.0.0 dev eth1
#ip a a 192.168.11.100/24 dev eth1
#ip a a 192.168.34.100/24 dev eth2

ip r a 172.16.92.0/24 dev eth1
ip r a 192.168.11.0/24 dev eth1
#ip r a 172.16.92.0/24 dev eth1
#ip r a 192.168.11.0/24 dev eth1
ip ru add iif eth1 table tx_in
ip ru add iif eth2 table tx_out

ip r a 172.16.92.0/24 dev eth1          t tx_in
ip r a 192.168.11.0/24 dev eth1         t tx_in
#ip r a default via 192.168.34.1 dev eth2 t tx_in

iptables -t raw -F
iptables -t raw -A PREROUTING -p icmp -j NOTRACK

#ip r a

echo 1 >/proc/sys/net/ipv4/ip_forward
echo 1 > /proc/sys/net/ipv4/conf/all/log_martians