I've always had an issue getting the freeradius module to work correctly with
packetfence v3.5 with at least 2 iterations of rebuilding packetfence. (once
under centos 5, and now centos 6)
I decided to dust off the covers yesterday to do some serious troubleshooting
by looking at logs.
1) I read the admin guide section for radius. Followed those steps for
local authentication - nothing fancy with AD auth yet. Lets get the barebones
working.
2) I looked for the radius logs under the following spots:
a. /var/log/radius/radius.log
b. /usr/local/pf/logs/radius.log
Did a tail on both logs just in case, though all the threads online suggest the
correct log to look at is under /var/log. Couldn't find any logs that matched
my attempts to perform "radtest". Radtest results as follows:
[server]# radtest username password localhost 12 key
[...]
radclient: no response from server for ID 34 socket 3
So.. doesn't look like the radius server is listening. I did what the
packetfence website suggested. Radiusd -X and I get the following results:
Failed binding to authentication address * port 1812 as server packetfence:
Address already in use
/etc/raddb/radiusd.conf[27]: Error binding to port for 0.0.0.0 port 1812
So...something is occupying this port already. Let's do a netstat to confirm...
[server]# netstat -an | grep 1812
udp 0 0 127.0.0.1:18120 0.0.0.0:*
udp 0 0 10.10.10.254:1812 0.0.0.0:*
Yes. Something is listening.
If I stop the packetfence service, I am then able to run radiusd -X and I am
able to perform a radtest with success.
I want to troubleshoot this and get to the bottom of my issue because I want to
use PF for wireless auth with a WLC! But this is a major hurdle...
Any suggestions?
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