One of the most important skills that a network engineer must learn and develop is troubleshooting. I have designed, configured and managed hundreds of networking projects. Its very rare to configure a network (especially complex ones) and have everything running as expected from the first shot. Most of the times a lot of troubleshooting activity […]
Archives for August 2011
Cisco ASA Identity Firewall
What is Cisco ASA Identity Firewall? Traditionally, Cisco ASA policies and rules are enforced mainly using an Access Control List (ACL) which allows or denies access to certain network resources based on the source/destination IP addresses and port numbers. For example, lets say we want source IP 10.1.1.1 to be able to access server with […]