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Re: Don't allow mapped address after binding to ipv4.

To: kuznet@xxxxxxxxxxxxx
Subject: Re: Don't allow mapped address after binding to ipv4.
From: Alan Cox <alan@xxxxxxxxxxxxxxxxxxx>
Date: Sat, 5 Aug 2000 18:40:20 +0100 (BST)
Cc: yoshfuji@xxxxxxxxxxxxxx (Hideaki YOSHIFUJI), netdev@xxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxxx
In-reply-to: <200008051538.TAA09059@ms2.inr.ac.ru> from "kuznet@ms2.inr.ac.ru" at Aug 05, 2000 07:38:04 PM
Sender: owner-netdev@xxxxxxxxxxx
> > linux-2.2.16 and linux-2.4.0-test5 allow to let an application bind an 
> > inet6 socket sd6 to an address / a port that is already bound to inet 
> > socket sd4.
> 
> Yeah... Ugly. 8) But we have no choice. Thank you.

Does this not leave us open to 'binding closer' type attacks like NFS packet
theft ?


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