FreeRADIUS 3.0 - Help with understanding op value for cleartext-password

Matthew Newton mcn4 at
Wed Jul 6 13:26:10 CEST 2016

On Wed, Jul 06, 2016 at 12:06:28PM +0100, Ian Hiddleston wrote:
> I've got my server working ok, one thing that I'm curious about is why the
> op value for Cleartext-Password is ':=' rather than '==' ?
> As my google-fu appears to be lacking I figured I might as well ask the
> question.


  := sets the attribute (even if it is already set)
  =  sets the attribute (only if it doesn't exist)
  == is a test to see if the attribute matches


Matthew Newton, Ph.D. <mcn4 at>

Systems Specialist, Infrastructure Services,
I.T. Services, University of Leicester, Leicester LE1 7RH, United Kingdom

For IT help contact helpdesk extn. 2253, <ithelp at>

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