Data Security Week 6 Firewalls. By Stuart Borthwick | by Stu Borthwick - 0xQuito | Medium
The Cisco Router as a Packet Filter. 1.The Cisco ACL is one of the most available packet filters found today. 2.The means by which a Cisco router filters. - ppt download
Packet filtering
Packet Filtering - an overview | ScienceDirect Topics
Packet Filtering (Building Internet Firewalls, 2nd Edition)