Subject: Re: pkg/17672: wwwoffle-2.7b expects IPv4-mapped IPv6 address support
To: Nagae Hidetake <>
From: Jun-ichiro itojun Hagino <>
List: netbsd-bugs
Date: 08/06/2002 09:13:20
>I heard IPv4-mapped IPv6 address is disabled intentionally in NetBSD.
>I don't understand this issue as well as I can explain the reason.
>Please refer the discussion titled "RFC1933 IPv4 mapped address" in
>the archive of tech-net, December 1999.
>Following paper is also focused on this issue.

	and inet6(4).  there's real threat in using IPv4 mapped address
	with services like wwwoffled.

>BTW, wwwoffle does not bind even if both :: and are
>specified in wwwoffle.conf.  It compares specified addresses with
>0:0:0:0:0:0:0:0 and, and binds only IPv6 one in this case
>(see src/wwwoffled.c).
>There is no work-around with config file.
>The only way is sysctl (as Frederick wrote).

	i'll talk to wwwoffled developer.  the above behavior is simply wrong.