+ The FTicksMAC option can be used to control if and how
+ Calling-Station-Id (the users Ethernet MAC address) is
+ being logged. It can be set to one of
+ <literal>Static</literal>, <literal>Original</literal>,
+ <literal>VendorHashed</literal>,
+ <literal>VendorKeyHashed</literal>,
+ <literal>FullyHashed</literal> or
+ <literal>FullyKeyHashed</literal>.
+ </para>
+ <para>
+ The default value for FTicksMAC is
+ <literal>VendorKeyHashed</literal>. This means that
+ FTicksKey has to be set.
+ <para>
+ Before chosing any of <literal>Original</literal>,
+ <literal>FullyHashed</literal> or
+ <literal>VendorHashed</literal>, consider the implications
+ for user privacy when MAC addresses are collected. How
+ will the logs be stored, transferred and accessed?
+ </para>
+ </para>
+ <para>
+ See <literal>radsecproxy.conf-example</literal> for
+ details. Note that radsecproxy has to be configured with
+ F-Ticks support (<literal>--enable-fticks</literal>) for
+ this option to have any effect.