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Re: [PATCH] IPv6: Privacy Extensions for Stateless Address Autoconfigura

To: YOSHIFUJI Hideaki / 吉藤英明 <yoshfuji@xxxxxxxxxxxxxx>
Subject: Re: [PATCH] IPv6: Privacy Extensions for Stateless Address Autoconfiguration in IPv6
From: Pekka Savola <pekkas@xxxxxxxxxx>
Date: Thu, 31 Oct 2002 09:43:40 +0200 (EET)
Cc: linux-kernel@xxxxxxxxxxxxxxx, <netdev@xxxxxxxxxxx>, <davem@xxxxxxxxxx>, <kuznet@xxxxxxxxxxxxx>, <usagi@xxxxxxxxxxxxxx>
In-reply-to: <20021031.163209.595697847.yoshfuji@xxxxxxxxxxxxxx>
Sender: netdev-bounce@xxxxxxxxxxx
On Thu, 31 Oct 2002, YOSHIFUJI Hideaki / [iso-2022-jp] 吉藤英明 wrote:
> In article <Pine.LNX.4.44.0210310908090.19356-100000@xxxxxxxxxx> (at Thu, 31 
> Oct 2002 09:25:01 +0200 (EET)), Pekka Savola <pekkas@xxxxxxxxxx> says:
> > I belive privacy extensions can be harmful for especially long-lived
> > applications and lead to a false sense of security: they should not be
> > enabled (by any definition of enabled) by default.
> Temporary addresses are generated (on most links) but not used by default 
> (latter is done by source address selection) by my patch.  
> Set sysctl net.ipv6.conf.ethXX.use_tempaddr > 1 to use it by default.
> (I have per-application setsockopt interface but it is not included 
>  because patch for source address selection is not accepted at this moment.)

Generating and re-generating new temporary addresses seems to be a useless 
work and just new addresses unless they're being used at least by some 

Pekka Savola                 "Tell me of difficulties surmounted,
Netcore Oy                   not those you stumble over and fall"
Systems. Networks. Security.  -- Robert Jordan: A Crown of Swords

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