Nirmal wrote: ... > Wed Apr 22 17:05:03 2009 : Debug: Exec-Program-Wait: plaintext: Wed Apr > 22 17:05:03 2009 : Error: Exec-Program: FAILED to execute > /etc/raddb/getmac: Exec format error ... > #/bin/bash You can't run that program from a shell prompt, either. You have a typo. It should be: #!/bin/bash Alan DeKok.