Logcheck parses system logs and generates email
reports based on anomalies. Anomolies can be
defined by users with 'violations' files. It
differentiates between 'Active System Attacks',
'Security Violations', and 'Unusual Activity', and is
smart enough to remember where in the log it
stopped processing to improve efficiency. It can
also warn when log files shrink, and does not report
errors when they are rotated.
