Eight Steps to Protect Your Cisco Router
Network security is a completely changing area; new devices like IDS (Intrusion Detection systems), IPS (Intrusion Prevention systems), and Honeypots are modifying the way people think about security. Companies are spending thousands of dollars on new security devices, but forgetting the basic, the first line of defense: the border router. Although a lot of people may think that routers don’t need to be protected, they are completely wrong. A lot of secure problems appear all time against this kind of device and most of them are vulnerable. There are 8 steps, easy to follow, to minimize your Cisco router exposure by turning off some unused services, applying some access control and applying some security options available on that. 1- Control Access to your router The first thing to do is apply some rules to restrict all external access to some ports of the router. You can block all ports, but it is not always necessary. These commands bellow will protec...