From: Pawel Foremski <pjf@asn.pl>
To: netdev@vger.kernel.org
Subject: Re: [RFC] Ethernet Cheap Cryptography
Date: Sat, 21 Oct 2006 17:12:16 +0200 [thread overview]
Message-ID: <ehddcg$2f5$1@sea.gmane.org> (raw)
In-Reply-To: 17721.32425.591879.97484@localhost.localdomain
Stephen J. Bevan wrote:
> However, in the above you note that MPPE is being used. I take this
> to mean that all the PPP traffic between the PPPoE client and PPPoE
> server is encrypted. However, if that's the case then I don't
> understand why there is a need to use ccrypt for the wireless link
> between the two Linux boxes. Thus perhaps I misunderstood where MPPE
> is being used? Or perhaps you meant this is only one example and in
> other scenarios MPPE is not used and so in that case the wireless
> traffic does need encrypting?
For example because MPPE is optional and some sessions may be encrypted and
some not. As I mentioned, we cannot influence the ISP in topic.
More generally, I wanted to present an example of a layer-2 encapsulation
that Linux does not know or (as in this case) can't modify the data in it,
thus it cannot fix the TCP MSS value.
--
Pawel Foremski
pjf@asn.pl
next prev parent reply other threads:[~2006-10-21 15:12 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-10-15 16:20 [RFC] Ethernet Cheap Cryptography Dawid Ciezarkiewicz
2006-10-15 21:35 ` James Morris
2006-10-15 22:15 ` Dawid Ciezarkiewicz
2006-10-18 3:21 ` Stephen J. Bevan
2006-10-18 3:25 ` David Miller
2006-10-18 9:51 ` Dawid Ciezarkiewicz
2006-10-18 10:16 ` David Miller
2006-10-18 11:35 ` Dawid Ciezarkiewicz
2006-10-18 9:15 ` Dawid Ciezarkiewicz
2006-10-18 14:31 ` Dawid Ciezarkiewicz
2006-10-19 3:57 ` Stephen J. Bevan
2006-10-19 15:58 ` Pawel Foremski
2006-10-20 2:18 ` Stephen J. Bevan
2006-10-20 2:59 ` David Miller
2006-10-21 2:17 ` Stephen J. Bevan
2006-10-21 2:20 ` David Miller
2006-10-20 20:18 ` Pawel Foremski
2006-10-21 1:58 ` Stephen J. Bevan
2006-10-21 2:28 ` Stephen Hemminger
2006-10-21 15:33 ` Pawel Foremski
2006-10-21 15:12 ` Pawel Foremski [this message]
2006-10-22 0:05 ` Stephen J. Bevan
2006-10-20 19:50 ` Dawid Ciezarkiewicz
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