Yes - blew it...
Kurt Erik Lindqvist <[email protected]> Mon, 14 Mar 2005 22:39:25 +0100
| Newsgroups | gmane.ietf.multi6 |
|---|---|
| Message-ID | <[email protected]> |
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ...but it is also changed :-) - - kurtis - Begin forwarded message: > From: Kurtis Lindqvist <[email protected]> > Date: den 14 mars 2005 22.22.36 MET > To: [email protected] > Subject: BOUNCE [email protected]: Admin request of type > /\bsubscribe\b/i at line 7 (fwd) > Reply-To: Kurtis Lindqvist <[email protected]> > > Appproved: tered0 > From [email protected] Mon Mar 14 16:34:28 2005 > Received: from [83.149.65.1] (helo=sequoia.muada.com) > by psg.com with esmtps (TLSv1:AES256-SHA:256) > (Exim 4.44 (FreeBSD)) > id 1DAsWS-000DEd-6D > for [email protected]; Mon, 14 Mar 2005 16:34:28 +0000 > Received: from [IPv6:2001:1af8:6::20a:95ff:fecd:987a] > (alumange-giga.muada.com [IPv6:2001:1af8:6:0:20a:95ff:fecd:987a]) > (authenticated bits=0) > by sequoia.muada.com (8.12.10/8.12.10) with ESMTP id j2EGYGvZ069403 > (version=TLSv1/SSLv3 cipher=RC4-SHA bits=128 verify=NO) > for <[email protected]>; Mon, 14 Mar 2005 17:34:16 +0100 (CET) > (envelope-from [email protected]) > Mime-Version: 1.0 (Apple Message framework v619.2) > Content-Transfer-Encoding: 7bit > Message-Id: <[email protected]> > Content-Type: text/plain; charset=US-ASCII; format=flowed > To: Multi6 List <[email protected]> > From: Iljitsch van Beijnum <[email protected]> > Subject: Fwd: how mobile do we want to be > Date: Mon, 14 Mar 2005 17:34:23 +0100 > X-Mailer: Apple Mail (2.619.2) > X-Spam-Checker-Version: SpamAssassin 3.0.1 (2004-10-22) on psg.com > X-Spam-Level: > X-Spam-Status: No, score=-2.6 required=5.0 tests=AWL,BAYES_00 > autolearn=ham > version=3.0.1 > > Hi gang, > > I sent this message to the new shim6 list two days ago, but I didn't > see any replies or any other messages for that matter, so I'm posting > it here as well. > > If you want to subscribe to the shim6 list: > > Interim mailing list for pre-discussion: [email protected] > > Join by sending "subscribe shim6" to [email protected] > > Note that you have to be very careful in copying back the auth info, > any extra text or quote indicators will confuse majordomo. (Wasn't this > easier before?) > > > Begin forwarded message: > >> From: Iljitsch van Beijnum <[email protected]> >> Date: 12 maart 2005 16:44:58 GMT+01:00 >> To: [email protected] >> Subject: how mobile do we want to be > > In the discussion in the BOF yesterday there were different viewpoints > on the relationship between mobility and multihoming in general and > shim6 in particular. > > Apparently, some people are equating renumbering with mobility. Now > obviously mobility mechanisms can be used to renumber without skipping > a beat, but that doesn't mean mobility and renumbering are the same > thing. > > I think the important difference is the timescale. In mobility, the > assumption is that TCP sessions and other state are longer-lived than > locator addresses. In site renumbering, I very much doubt that this is > the case. At the very least, we're talking about the order of days > here, and _very_ few sessions or associations last for days. So in > nearly all cases, site renumbering can be addressed with regular > stateless autoconfiguration address deprecation. > > Please don't forget: adding a new address in the middle of a session is > a security nightmare. The only way this can be done reasonably is with > the help of strong crypto (magic PKI dust) or a home agent that is > impervious to on-path nastiness such as sniffing and MitM. Obviously, > for a good number of applications strong crypto isn't a problem as they > already use it today. But mandating strong crypto for *everything* is > very problematic for reasons of performance, configuration and > robustness. (Let the person who never clicked "accept" on an SSL > warning cast the first stone here.) > > I think HBAs are a very good compromise between reasonable security and > usability. It would be a shame to throw this out the window just so one > or two applications are saved from reconnecting once in a blue moon. It > takes a lot of reconnects to waste the same amount of time that it > takes to obtain and install an X.509 certificate... > > > -----BEGIN PGP SIGNATURE----- Version: PGP 8.1 iQA/AwUBQjYEk6arNKXTPFCVEQJcPgCeLXCf2XolarTaPFfM3swl4lMCMpEAn0lu qpru+WeUA51+pE+PmlqyBY95 =yhwi -----END PGP SIGNATURE-----