On Sun, Dec 08, 2013 at 04:52:31PM +0000, Patrick McHardy wrote: > On Sun, Dec 08, 2013 at 11:01:46AM +0100, Pablo Neira Ayuso wrote: > > On Sun, Dec 08, 2013 at 08:16:00AM +0100, Nicki P. wrote: > > > hi, > > > > > > when activating ipt_SYNPROXY with: > > > iptables -t raw -A PREROUTING -p tcp -d 1.2.3.4 --dport 80 --tcp-flags > > > SYN,ACK,RST,FIN SYN -j SYNPROXY > > > > > > and sending a SYN packet to port 80: > > > hping3 -S -d 64 1.2.3.4 -p 80 > > > > > > I get kernel panic: > > > http://goo.gl/L6dCz6 > > > > > > I'm using kernel v3.12.2 and iptables v1.4.21. Am I doing something wrong, > > > or is it a bug? > > > > You have to run this from the INPUT/FORWARD chain, SYNPROXY needs the > > routing information to work. > > Let's fix that: > > From e5b31e75df3c3f9629900016a95336c04165d13f Mon Sep 17 00:00:00 2001 > From: Patrick McHardy <kaber@xxxxxxxxx> > Date: Sun, 8 Dec 2013 16:49:36 +0000 > Subject: [PATCH] netfilter: SYNPROXY target: restrict to INPUT/FORWARD > > Fix a crash in synproxy_send_tcp() when using the SYNPROXY target in the > PREROUTING chain caused by missing routing information. Applied, thanks Patrick! -- To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
