i'm a bit confused by this.  mozilla is simply storing an IPv4 address 
(32 bits) in an IPv6 address (128 bits), and passing that through to the 
network API, which should treat the address as an IPv4 address.  i don't 
see how this has anything to do with IPv6 tunneling through an IPv4 
network, which seems to be the concern of:

http://www.iijlab.net/i-d/draft-itojun-ipv6-transition-abuse-01.txt

am i missing something??

darin



Alec Flett wrote:

> 
> 
> -------- Original Message --------
> Subject: IPv4 mapped IPv6 address
> Date: 30 Oct 2001 16:40:58 GMT
> From: [EMAIL PROTECTED] (Shin'ichiro TAYA)
> Organization: Another Netscape Collabra Server User
> To: [EMAIL PROTECTED], [EMAIL PROTECTED]
> Newsgroups: netscape.public.mozilla.seamonkey,netscape.public.mozilla.nspr
> 
> mozilla converts IPv4 address to IPv4 mapped IPv6 address internally
> and connects to it on AF_INET6 socket.
> 
> itojun (member of KAME project(http://www.kame.net/), and core member
> of NetBSD) suggested me not to use mapped address because of security
> issues.
> 
> http://www.iijlab.net/i-d/draft-itojun-ipv6-transition-abuse-01.txt
> 
> Does mozilla use mapped address forever?
> Or are there any plans to stop using mapped address?
> 
> BTW, WinXP supports IPv6, but does not support IPv4 mapped IPv6 address.
> (http://www.microsoft.com/windowsxp/pro/techinfo/administration/ipv6/default.asp) 
> 
> Does this mean IPv6 enabled mozilla (and NS6 )doesn't work on WindowsXP?
> 
> -- 
> Shin'ichiro TAYA <[EMAIL PROTECTED]>
> 


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