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- From: bsy+@CS.CMU.EDU (Bennet Yee)
- Newsgroups: comp.security.misc
- Subject: Debugging login (Re: Forging E-mail from root to get users to change passwords)
- Message-ID: <BxCx55.L5J.2@cs.cmu.edu>
- Date: 7 Nov 92 17:41:28 GMT
- Article-I.D.: cs.BxCx55.L5J.2
- References: <82930@ut-emx.uucp> <ratner.720811773@ficus.cs.ucla.edu> <id.Z9RU.L6K@ferranti.com>
- Sender: news@cs.cmu.edu (Usenet News System)
- Reply-To: bsy+@cs.cmu.edu
- Organization: Cranberry Melon, School of Cucumber Science
- Lines: 20
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-
- In article <id.Z9RU.L6K@ferranti.com>, peter@ferranti.com (peter da silva) writes:
- >In article <ratner.720811773@ficus.cs.ucla.edu> ratner@ficus.cs.ucla.edu (Dave "Van Damme" Ratner) writes:
- >> Yes, it is true that root never needs to know a user's password ---
- >> root can always su to the user without knowing the password.
- >
- >Not if root is trying to debug a problem in login or rlogin where the user's
- >password is entered. I had one case where a user's password included a pound
- >sign... which worked fine on the Suns but he couldn't login on Xenix for some
- >reason.
-
- The reason is that on some systems, the default erase/kill characters
- are #/@ which is behavior left over from the days when Unix had real
- teletypes as terminals. Not a bug in login at all -- the tty driver
- just had different defaults.
-
- -bsy
-
- --
- Bennet S. Yee Phone: +1 412 268-7571 Email: bsy+@cs.cmu.edu
- School of Computer Science, Carnegie Mellon, Pittsburgh, PA 15213-3890
-