by andy » Thu, 27 Feb 1997 04:00:00
re,
I need a pointer for the restrictions on login names. I can't seem to
dig one up...
IE. have a user that wants to use 4sight as a login name...
Solaris 2.5.1
Such an easy question, so difficult an answer ;)
--------------
Andy
by Fletcher.Gl.. » Thu, 27 Feb 1997 04:00:00
>IE. have a user that wants to use 4sight as a login name...
>Solaris 2.5.1
>Such an easy question, so difficult an answer ;)
>--------------
>Andy
passwd(4) says that the name field in the passwd file should conform to the
checks performed by pwck(1). I looked at the source for pwck(1) and it
tests for the following:
All characters in the name must test true by isalnum().
At least one character must be a lower case alpha.
There must be at least 1 and less than 8 total characters.
by RP Pelletie » Thu, 27 Feb 1997 04:00:00
8 character limit
first character must be alphanumeric and lower case
RGDS,
rpp
1. Root login restrictions, without complete su restriction?
I'm trying to help a client beef up the previously lax security on their
AIX 4.1.4 system, and what I'd like to be able to do is something that
other UNIX operating systems allow, and I'm just having a bit of trouble
figuring out how to implement it on AIX.
I'd like to restrict anyone from logging in directly as "root" on all
terminals except for the console, but allow users in the "system" group
to "su" to root. I've got this working with "rlogin" and "telnet" by
disallowing remote logins in root's security characteristics, but as
far as I've been able to figure out so far, restricting the terminals
is essentially an all-or-nothing proposition.
If I restrict root to "/dev/tty0", the console, not only can I not log
in as root anywhere else, but I also can't "su" to root, even though
I'm in the system group.
Is there some way to prevent a direct login as root, but still allow
"su" by authorized users? Is there some concept of an "unsecure"
terminal?
Thanks for any suggestions!
-Mike Pelletier.
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