https://shocksolution.com/tags/radius/Recent content in Radius on shocksolution.comHugoen-usSun, 01 Oct 2017 17:24:01 +0000https://shocksolution.com/posts/warning-centosredhat-7-4-installs-freeradius-3-with-breaking-changes/Sun, 01 Oct 2017 17:24:01 +0000https://shocksolution.com/posts/warning-centosredhat-7-4-installs-freeradius-3-with-breaking-changes/<p>When you run yum upgrade on a CentOS/RedHat 7 instance, you will be upgraded to 7.4. If you have a <a href="https://freeradius.org/">FreeRADIUS</a> server, you will be upgraded from version 2 to 3, and <strong>your server will likely stop authenticating!</strong> Good times! Fortunately, the solution was not complicated for us, because we had good documentation.</p> <h2 id="symptoms">Symptoms</h2> <p>Your radius server suddenly starts denying logins.</p> <h3 id="diagnosis">Diagnosis</h3> <p>The configuration file <code>/etc/raddb/radiusd.conf</code> has changed enough between versions 2 and 3 that you cannot re-use the old version. To get radius debugging output, stop the radiusd service, and run (as root):</p>