Many administrators forget—or don’t even realize—that they can configure Dynamic Host Configuration Protocol (DHCP) on Cisco IOS routers and switches. David Davis discusses the pros and cons of this ...

Most IT pros know that using Telnet to manage routers, switches, and firewalls is not exactly a security best practice. Instead, the accepted alternative to Telnet’s lack of security is Secure Shell ...

Cisco’s new Valet Plus wireless router doesn’t promise a whole bunch of fancy features or apps. What it does promise is that you can set it up and have a secure, working wireless Internet connection ...

Previous articles (Part one, Part two) in this series on implementing VPN gateways using Cisco routers discussed the IPsec protocol and basic IPsec VPN connection models. Now we'll learn how to ...