====== PFSense - Squid - Logging - Use a custom log format for Squid ======

Navigate to **Services -> Squid Proxy Server**.

In **Logging Settings** section:

  * Enable Access Logging:  **Not Checked**.



Click **Show Advanced Options** button at the bottom of the page.

In **Custom Options (Before Auth)** section:

  *  Add the following lines: <code>
logformat squidmimemod %ts.%03tu %6tr %>a %Ss/%03>Hs %<st %rm %ru %un %Sh/%<A %mt %rp %>st "%{Referer}>h"

access_log /var/squid/logs/access.log squidmimemod

logfile_rotate 90
</code>