netdev - Re: [RFC v2] mac80211: disallow bridging managed/adhoc interfaces

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] [day] [month] [year] [list]

Message-ID: <1258541569.30511.6.camel@johannes.local>
Date:	Wed, 18 Nov 2009 11:52:49 +0100
From:	Johannes Berg <johannes@...solutions.net>
To:	"John W. Linville" <linville@...driver.com>
Cc:	Stefan Monnier <monnier@....umontreal.ca>,
	linux-wireless@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [RFC v2] mac80211: disallow bridging managed/adhoc interfaces

On Tue, 2009-11-17 at 21:59 -0500, John W. Linville wrote:

> > As someone who's been bitten by this, I fully support this change.
> > Still, it makes me wonder: my broadcom-based home-router using the wl.o
> > driver can be set in "client bridge" mode.  How does it work?
> 
> If I'm not mistaken, that has a bunch of code embedded in it that
> among other things can do a layer-2 version of NAT to rewrite the
> MAC adresses for frames on the air.

Yeah, that's how it works. You can probably achieve the same effect with
the ebtable_nat module in ebtables but I've never even attempted to try
that.

johannes

Download attachment "signature.asc" of type "application/pgp-signature" (802 bytes)