NAME

       checkrad -- See if a user is (still) logged in on a certain port.

SYNOPSIS

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

DESCRIPTION

       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.

OPTIONS

       -d     Enable printing of debugging information.

       nas-type
              Type of port/NAS. Can be one of:

              •      ascend

              •      bay

              •      cisco

              •      cisco_l2tp

              •      computone

              •      cvx

              •      digitro

              •      dot1x

              •      livingston

              •      max40xx

              •      mikrotik

              •      mikrotik_snmp

              •      multitech

              •      netserver

              •      other

              •      pathras

              •      patton

              •      portslave

              •      pr3000

              •      pr4000

              •      redback

              •      tc

              •      usrhiper

              •      versanet

              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)

SEE ALSO

       radiusd(8)

AUTHOR

       Written by Miquel van Smoorenburg, miquels@cistron.nl.

       This manual page was written by  Marco  Nenciarini  <mnencia@debian.org>  for  the  Debian
       project (but may be used by others).

                                         13 January 2006                              CHECKRAD(5)