Address already in use but server is not running

Michael Aldridge aldridge.mac at
Mon May 28 23:29:35 CEST 2012

I recently had to install debian 6.0 on one of my servers after a hard
drive crash, and while I had freeradius running before, I can't seem to get
it running now.

I ran sudo apt-get install freeradius and hit enter to accept the
additional packages, and I also installed dialup admin with the intention
of getting to it after getting freeradius running, but now I am running
into trouble with starting freeradius.  The install completed without
errors, but running sudo ./freeradius -X produces the following:

Failed binding to authentication address * port 1812: Address already in
/etc/freeradius/radiusd.conf[240]: Error binding to port for port

I can post the full contents of the debug dump, but this appears to be the
only point at which an error is encountered.  I am quite sure that there is
not an instance already running, so I don't know what else could be using
the port.  Any ideas?
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