HSRP (Hot Standby Router Protocol) is the Cisco proprietary protocol for providing redundancy in router networks. The standard router redundancy protocol which is used by other vendors is VRRP (Virtual Router Redundancy Protocol), however Cisco has...

For most network engineers, one of the most difficult and tricky features to configure on Cisco equipment is to properly setup a VPN communication network. I have realized that from the numerous emails and questions I get almost every day from readers...

I have recently upgraded a few Intrusion Prevention System (IPS) modules which are embedded in ASA firewalls. The IPS models are AIP-SSM-20 which were upgraded from version 5.1 to 6.0 The AIP-SSM module can be accessed either through the ASA CLI...

One of the most frustrating moments as a network administrator is when you desperately want to log on to a Cisco router and you try all possible passwords you have with no success. Fortunately there is a Cisco password recovery procedure for IOS...

I was reading a security statistics report the other day and it seems that web vulnerabilities take up the majority of the pie. SQL injections, Cross Site Scripting, Code injections etc are found everywhere in web applications. Unfortunately secure...