man checkrad (5): See if a user is (still) logged in on a certain port.

SYNOPSIS

checkrad [-d] nas-type nas-ip nas-port login session-id

Checkrad is used by the radius server to check if its idea of a user logged in on a certain port/NAS is correct if a double login is detected.

Returns: 0 = no duplicate, 1 = duplicate, >1 = error.

-d

Enable printing of debugging informations.

nas-type

Type of port/NAS. Can be one of:

The "other" type cause checkrad to skip any check and always returns 1.

nas-ip

IP address of the NAS to check.

nas-port

The NAS port to check (may be ignored by some nas-type).

login

The login name to check.

session-id

Session to check. (actually ignored by all nas-type)

Written by Miquel van Smoorenburg, [email protected].

This manual page was written by Marco Nenciarini <[email protected]> for the Debian project (but may be used by others).