How to limit or block torrent with snort

  • Hi,

    every one, i am looking for a solution i have ha DSL (PPPOE) connection from my PfSense
    my clients –>LAN -->WAN(DHCP & PPPOE ) --> Internet

    I was using L7 filters ans successfully able to block torrent traffic

    In pfsense is there any solutions for this ?? i heare about snort can do that but how