nanog mailing list archives
Re: Dear RIPE: Please don't encourage phishing
From: Jimmy Hess <mysidia () gmail com>
Date: Sun, 12 Feb 2012 21:52:16 -0600
2012/2/12 Masataka Ohta <mohta () necom830 hpcl titech ac jp>:
Valdis.Kletnieks () vt edu wrote:
[snip]
So, I can understand your attempt to insist on lowercase, but it does not work because DNS does not allow it.
[snip] Not exactly... DNS is case-insensitive when you are talking about 7-bit ASCII; the set of alphabetic characters that can appear in a DNS label; with no punycode. IDN means that non-ASCII characters are represented using punycode. As soon as you have a browser parsing punycode stuff, any string containing unicode characters has a unique punycode encoding / RFC 3491 / RFC 3492. The symbols represented in the punycode encodings are not case sensitive. Uppercase A-Z vs Lowercase a-z in the generalized variable-length integers are not distinct, the punycode representation itself cannot really be case sensitive, but the codepoint represented by the encoding, the result of decoding the punycode is case-preserving. -- -JH
Current thread:
- Re: Dear RIPE: Please don't encourage phishing, (continued)
- Re: Dear RIPE: Please don't encourage phishing Randy Bush (Feb 11)
- Re: Dear RIPE: Please don't encourage phishing chris (Feb 11)
- Re: Dear RIPE: Please don't encourage phishing Javier Henderson (Feb 11)
- Re: Dear RIPE: Please don't encourage phishing Valdis . Kletnieks (Feb 11)
- Re: Dear RIPE: Please don't encourage phishing Masataka Ohta (Feb 11)
- Re: Dear RIPE: Please don't encourage phishing Valdis . Kletnieks (Feb 11)
- Re: Dear RIPE: Please don't encourage phishing Jimmy Hess (Feb 11)
- Re: Dear RIPE: Please don't encourage phishing Masataka Ohta (Feb 12)
- Re: Dear RIPE: Please don't encourage phishing Valdis . Kletnieks (Feb 12)
- Re: Dear RIPE: Please don't encourage phishing Masataka Ohta (Feb 12)
- Re: Dear RIPE: Please don't encourage phishing Jimmy Hess (Feb 12)
- Re: Dear RIPE: Please don't encourage phishing Randy Bush (Feb 12)
- Re: Dear RIPE: Please don't encourage phishing Jimmy Hess (Feb 12)
- Re: Dear RIPE: Please don't encourage phishing Randy Bush (Feb 12)
- Re: Dear RIPE: Please don't encourage phishing Mark Andrews (Feb 12)
- Re: Dear RIPE: Please don't encourage phishing Randy Bush (Feb 12)
- Re: Dear RIPE: Please don't encourage phishing Stephane Bortzmeyer (Feb 15)
- Re: Dear RIPE: Please don't encourage phishing Valdis . Kletnieks (Feb 15)
- Re: Dear RIPE: Please don't encourage phishing Robert E. Seastrom (Feb 15)
- Re: Dear RIPE: Please don't encourage phishing Mark Andrews (Feb 15)
- Re: Dear RIPE: Please don't encourage phishing Eric Brunner-Williams (Feb 15)