Cisco PIX Firewall Basics

The PIX is a firewall appliance based on a hardened, specially built operating system, PIX OS, minimizing possible OS-specific security holes. The PIX has received ICSA Firewall and IPsec certification as well as Common Criteria EAL4 evaluation status. PIX firewalls…

Cisco ASA firewall licensing used to be pretty simple, but as features were rolled out as licenses, the scheme became quite complex. The matters are further complicated since different appliances and versions change the rules. This document will help you…

Networking hardware company—Cisco, is upgrading its firewall technologies and even its own certification courses to better meet newer challenges in network security. Cisco has introduced a new “reimagined” firewall that adds a level of security smarts that could eventually show…
Two Types of Networks: LANs and WANs

Networks are divided into two types, a LAN (Local Area Network) or a WAN (Wide Area Network), which are generic terms referring to two important basic types of networks. The Internet can be thought of as a bunch of LANs interconnected by…