Aloha and Hash_Utils
You do not choose whether you want to install Aloha and Hash_utils, you just have to install both before doing anything else.
Aloha Log
This modules allows you to have Log of all traffic coming to the Web server.
It logs all incoming traffics, but not outgoing.
There are different ways of logging your packets: some are basics, and some are sophisticated and neat. The later one REQUIRES FUP to be installed (see section 6).