07-14-2013
NB: /qh1adm/ matches everywhere in the line.
Safer is $1~/qh1adm/ (matches in first field) and even safer is $1=="qh1adm" (is equal to the first field).
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LEARN ABOUT FREEBSD
login.access
LOGIN.ACCESS(5) BSD File Formats Manual LOGIN.ACCESS(5)
NAME
login.access -- login access control table
DESCRIPTION
The login.access file specifies (user, host) combinations and/or (user, tty) combinations for which a login will be either accepted or
refused.
When someone logs in, the login.access is scanned for the first entry that matches the (user, host) combination, or, in case of non-networked
logins, the first entry that matches the (user, tty) combination. The permissions field of that table entry determines whether the login
will be accepted or refused.
Each line of the login access control table has three fields separated by a ':' character: permission:users:origins
The first field should be a "+" (access granted) or "-" (access denied) character. The second field should be a list of one or more login
names, group names, or ALL (always matches). The third field should be a list of one or more tty names (for non-networked logins), host
names, domain names (begin with "."), host addresses, internet network numbers (end with "."), ALL (always matches) or LOCAL (matches any
string that does not contain a "." character). If you run NIS you can use @netgroupname in host or user patterns.
The EXCEPT operator makes it possible to write very compact rules.
The group file is searched only when a name does not match that of the logged-in user. Only groups are matched in which users are explicitly
listed: the program does not look at a user's primary group id value.
FILES
/etc/login.access login access control table
SEE ALSO
login(1), pam_login_access(8)
AUTHORS
Guido van Rooij
BSD
September 13, 2006 BSD