Now we need to make Squid aware that it should use squidGuard. First we create a backup:

Open the file with your favorite editor and add the following line at the end:

Now we need to extract the blacklist files we've downloaded (they are more up to date than the Fedora maintained versions):

The last step is reloading squid with the new settings. You can use a separate terminal to follow the logfile.

other terminal:

You should see something like this: