netdev - Re: xfrm by MARK: tcp problems when mark for in and out differ

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <1287057741.3756.6.camel@bigi>
Date:	Thu, 14 Oct 2010 08:02:21 -0400
From:	jamal <hadi@...erus.ca>
To:	"Gerd v. Egidy" <lists@...dy.de>
Cc:	netdev@...r.kernel.org, dev@...ts.strongswan.org
Subject: Re: xfrm by MARK: tcp problems when mark for in and out differ

On Wed, 2010-10-13 at 15:57 +0200, Gerd v. Egidy wrote:
> Hi,

> 
> -> incoming packets are without mark, outgoing packets are marked with 5
> 

You could use tc ingress path to mark incoming packets. Example:

----
tc qdisc add dev eth0 ingress
tc filter add dev eth0 parent ffff: protocol ip pref 9 u32 \
match ip src 192.168.1.0/32 flowid 1:5 action skbedit mark 5
---

just remember that src on outgoing is dst on incoming..

cheers,
jamal

--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html