Date: Tue, 10 Jun 2008 08:44:08 -0400 From: Steve Bertrand <steve@ibctech.ca> To: Randy Bush <randy@psg.com> Cc: freebsd-net@freebsd.org, Doug Barton <dougb@FreeBSD.org>, so@freebsd.org Subject: Re: Proposal: Enable IPv6 Privacy Extensions (RFCs 3041/4941) by default Message-ID: <484E7718.9050607@ibctech.ca> In-Reply-To: <484E3119.4060102@psg.com> References: <484E0C08.1060800@FreeBSD.org> <484E3119.4060102@psg.com>
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Randy Bush wrote: >> To address those privacy concerns RFC 3041 was written, and eventually >> obsoleted by RFC 4941. ftp://ftp.rfc-editor.org/in-notes/rfc4941.txt >> Our IPv6 implementation comes with the code to enable this feature, >> but by default it is turned off. My proposal is to enable it by >> default, and give the user a knob in rc.conf to turn it off. > > the only drawback is that forward and reverse dns would not be easily > filled. but anyone who relies on a mac address for dns hacking is > asking for trouble; use dhcpv6 or hard code the host's ip address in > /etc/rc.conf. DNS in this context is really of least concern, and there are simple ways around that as Randy states. I would think that enabling IPv6 Privacy Extensions by default would have no worse effect on a host in regards to DNS than a similar situation with IPv4 Auto Configuration. > so i have no problem with the change. thanks for asking. I also support following the specification by default. Steve
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