On Mon, Dec 19, 2005 at 10:30:43PM +1100, Visser, Martin wrote: > Anand Kumria wrote :- > > >The site-local prefix (fe80) has been deprecated (rfc3879), instead you > want IPv6 local addresses (rfc4193) which you > >can self-generate with tools such as: > > > http://www.hznet.de/tools/generate-uniq-local-ipv6-unicast-addr.sh > > > Hmm, I dropped off the IETF announce lists a few years ago so I have > missed this fairly significant change. One thing I noticed though was > that this script doesn't comply with the mentioned RFC. I am guessing it > may have been written against an earlier draft (yep, the script says > Sept. 2004).
Hmm, I thought I had updated the URL before I sent out my email. Anyway, http://www.hznet.de/tools/generate-rfc4193-addr.sh is one which seems to comply with the RFC. It might be worthwhile checking this as throughly as you have the last one though. > While it creates a pseudo-random address, a few problems I see are that > it uses FD00::/8 as the prefix (instead of FC00::/7 which means it only > tries to use half of the available space) and MD5 instead of SHA1 as the > digest/randomizer. I know I am pedantic but one of the assumptions in > this RFC (section 3.2.1) is that all generators of locally assigned > global IDs use the same algorithm. Holger, it is probably worthwhile if you generate a 303 - See other response if someone tries to access the earlier shell script. Regards, Anand -- `When any government, or any church for that matter, undertakes to say to its subjects, "This you may not read, this you must not see, this you are forbidden to know," the end result is tyranny and oppression no matter how holy the motives' -- Robert A Heinlein, "If this goes on --"
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