From: Mike-Ro-Chanel <mikerochanel@yahoo.it>
To: Henrik Nordstrom <hno@marasystems.com>
Cc: Scott MacKay <scottmackay@yahoo.com>,
Netfilter Developers List <netfilter-devel@lists.netfilter.org>
Subject: Re: Adding packet metadata
Date: Wed, 24 Mar 2004 08:38:09 +0100 [thread overview]
Message-ID: <40613AE1.4060800@yahoo.it> (raw)
In-Reply-To: <Pine.LNX.4.44.0403240105250.15222-100000@filer.marasystems.com>
>>I wanted to mark up packets with information as they pass thru the
>>system. Basically, I want to associate some data with a packet during
>>PREROUTING/raw (to read info prior to conntrack) and then get that
>>information back during PREROUTING/mangle. Is there a module already
>>written which could perform this?
>
>
> MARK should be able to do this.
>
An interesting question about MARK field in SKB structure is: Can I use
all 32-bit of "nfmark" for adding metadata? Iptables front-end (from
command line) seems to take mark value as a 8-bit number.
Mike-Ro-Chanel
next prev parent reply other threads:[~2004-03-24 7:38 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-03-17 18:46 Creating rules without the /sbin/iptables command? Victor Julien
2004-03-17 19:25 ` Cedric Blancher
2004-03-17 20:59 ` Victor Julien
2004-03-18 8:56 ` Cedric Blancher
2004-03-17 21:34 ` Henrik Nordstrom
2004-03-17 21:34 ` Henrik Nordstrom
2004-03-17 21:53 ` Victor Julien
2004-03-17 23:08 ` John A. Sullivan III
2004-03-17 23:45 ` Henrik Nordstrom
2004-03-17 23:59 ` John A. Sullivan III
2004-03-18 1:15 ` Henrik Nordstrom
2004-03-18 1:30 ` John A. Sullivan III
2004-03-18 1:34 ` Scott MacKay
2004-03-18 8:17 ` Henrik Nordstrom
2004-03-18 7:25 ` Victor Julien
2004-03-18 8:07 ` Henrik Nordstrom
2004-03-18 12:49 ` Victor Julien
2004-03-18 23:45 ` Henrik Nordstrom
2004-03-19 19:01 ` Victor Julien
2004-03-19 22:03 ` Henrik Nordstrom
2004-03-19 22:16 ` Victor Julien
2004-03-19 22:41 ` Henrik Nordstrom
2004-03-19 22:56 ` Victor Julien
2004-03-20 1:52 ` Henrik Nordstrom
2004-03-18 11:29 ` John A. Sullivan III
2004-03-18 12:52 ` Victor Julien
2004-03-18 14:12 ` John A. Sullivan III
2004-03-23 16:23 ` Adding packet metadata Scott MacKay
2004-03-24 0:06 ` Henrik Nordstrom
2004-03-24 7:38 ` Mike-Ro-Chanel [this message]
2004-03-24 8:01 ` Henrik Nordstrom
2004-03-24 8:18 ` Mike-Ro-Chanel
2004-03-24 11:52 ` Scott MacKay
2004-03-24 15:05 ` Henrik Nordstrom
2004-03-17 23:04 ` Creating rules without the /sbin/iptables command? John A. Sullivan III
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