So scr_ipfm is a script written in php, used to graphically show amount of data
downloaded by users in local network. To do that, it uses logs generated by
ipfm program (ipfm is available at the address: http://robert.cheramy.net/ipfm/)

scr_ipfm features:
    - sorting by field in, out, host and total
    - aggregated data of downloaded amount of data
    - daily, monthly, annually and global statistics