Mining Firewall Traffic for Better Net Security

Researchers at the Univeristy of Texas at Dallas have developed a method for analyzing the activity log files of corporate firewalls. Their analysis can determine what rules the firewall is actually applying to incoming and outgoing network traffic and then compare these with the original rules t...

Filtering devices spotting

SECURITY ALERT Systems Affected 100 of packet filtering systems included commercial embedded devices no unaffected system known at the moment Risk low Overview Multiple vendors' implementations of a packet filtering engine doesn't check the level 4 checksum. This could be used by an attacker to...