Macroscope is a squid, sendmail, courier, exim, bpft log files analizer,
  IP sniffer and HTML report generator.
Features:
  squid log file parser.
  sendmail log file parser.
  courier log file parser.
  exim log file parser.
  bpft(ports/net-mgmt/bpft) log file parser.
  Database backends support: MySQL, Firebird.
  IP sniffer via pcap library (ports/net/libpcap).
  Direct commit changes to database in realtime (no log files).
  Traffic static HTML reports generating by date periods.
  Traffic dynamic HTML reports generating via CGI (Web interface).
  Multithreading architecture.
  Portable: BSD os'es and Windows NT family supported, but tested at this time
            only under FreeBSD 5.x 6.x 7.x amd64 i386 and Windows 2000 XP 2003.

WWW: http://developer.berlios.de/projects/macroscope/