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passwd characters

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Pradep
Regular Advisor

passwd characters

Hi Friends,

Is there any limitation on HPUX, Linux or SOlaris on the type of characters which can be used in password ?
eg:- hpux telnet dont support @ and # in passwords.

thanks.
Sorry to ask about solaris !! :)
4 REPLIES
Dennis Handly
Acclaimed Contributor

Re: passwd characters

Right, @ and # cause problems because they are mapped to line kill and erase.
Elmar P. Kolkman
Honored Contributor

Re: passwd characters

CTRL-H might also cause problems. As does a , CTRL-Q/CTRL-S, etc. And the CTRL-] (default escape character of telnet).

Also any character behind the 8th character might be ignored...
Every problem has at least one solution. Only some solutions are harder to find.
Avinash20
Honored Contributor

Re: passwd characters

## What I could find in doc is
http://docs.hp.com/en/B2355-60105/passwd.1.html

WARNINGS
Avoid password characters which have special meaning to the tty driver, such as # (erase) and @ (kill). You may not be able to login with these characters.
"Light travels faster than sound. That's why some people appear bright until you hear them speak."
Laurent Menase
Honored Contributor
Solution

Re: passwd characters

you can use @ and # but you must put a \ to escape it.

else @ erase all the line
# erase the last character
so if password is a1#b2#
the result will be ab except if you type a1\#b2\#