A Cisco router with a software-based firewall offers some of the networking industry’s best security features. The configuration of a Cisco router with a firewall is similar to configuration of a router without a firewall. The only addition is the inclusion of security-based commands that restrict access across external interfaces. In either case, configuration is challenging for users not familiar with the Cisco Internetwork Operating System (IOS) and Cisco Command Line Interface (CLI). Therefore, configuration, both custom and standard, should only be attempted by a qualified network administrator. Tips Warnings Writer Bio
