Freeradius crash please help

Peter Hutchison p.j.hutchison at
Mon Dec 10 17:32:45 CET 2018

Ref: 8zero2 operations <8zero2ops at<mailto:8zero2ops at>>

A few things to check:

a)       Check configuration is syntax is correct.

a.       Cd /etc/freeradius

b.       Run 'freeradius -XC'

c.       Warning and errors should be elimated.

b)      If using EAP or TLS then you will need to ensure certificates are ok and not expired.

a.       Cd /etc/freeradius/certs

b.       Openssl x509 -in server.crt -inform perm -noout -text

c)       Next check modules in mods-enabled.

a.       Make sure all these files are links to actual files in mods-available to avoid file discrepencies

b.       Only include the modules here you are actually using.

c.       Check all the files and look for any problems.

d)      Next check your sites, e.g. default, and check that it only loads the modules you need and in the correct section.

e)      Try running freeradius in debug mode 'freeradius -X' and use a tool like NTRadPing (or radtest from another linux workstation), to test authentication to radius server, you can then view the debug output to see what is going on and where it fails.

f)        When making changes, only make one change at time, test, and then try the next change.

Peter Hutchison MCP
Senior Network Systems Specialist

University of Huddersfield inspiring tomorrow's professionals.

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