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[Nufw-devel] Re: [PATCH] Add mark to packet from libipq
From: |
Henrik Nordstrom |
Subject: |
[Nufw-devel] Re: [PATCH] Add mark to packet from libipq |
Date: |
Thu, 16 Oct 2003 09:31:06 +0200 (CEST) |
On Thu, 16 Oct 2003, Eric Leblond wrote:
> > but in reality this is not needed either as the userspace knows the
> > original mask and can a apply whatever transformations it likes
> > when giving the new verdict mask.
>
> How could userspace knows it ?
It got the mark with the packet in packet_msg->mark, so the userspace
application can just apply the transformation it likes when setting the
verdict.
Example using mask operation
mark = newvalue | (packet_msg->mark & mask);
but obviously other transformations is possible as well.
Regards
Henrik