So with the NSA, the CIA and the FBI sucking up every bit they possibly can on the internet at countless locations around the world you wonder how could you possibly become anonymous on the interwebz? Of course it's not just the United States Government that feels the need that you as an individual should sacrifice your liberty for security, this practice is becoming quite common all around the globe from the United Kingdom all the way down under in the land of the happy kangaroos (Australia...

Configuring Cisco devices to authenticate management users via RADIUS is a great way to maintain a centralized user management base. Traditionally this has been done using the Cisco Access Control Server (ACS) which of course is fairly expensive and is typically out of the price range for most small & medium sized businesses. If you are like most businesses you may already have an Active Directory infrastructure deployed and thus you already have the necessary software and licenses required to setup a basic RADIUS server using Network Policy...

So there is a little bit of confusion on the interwebz when it comes to understanding an IPSEC GRE tunnel. First off lets look at how it actually works. GRE works by encapsulating IP traffic inside of an IP packet and sends it across the wire to its destination where it is decapsulated and the inner-packet is than routed. GRE is commonly used to bridge two routed domains over a network outside of your administrative control. When using GRE over the public internet, security is a concern and therefore...

When Cisco made changes to the Cisco ASA software in 8.3, it completely shook the ASA engineering community. Major changes overhauled the operating system in how the Cisco ASA handles Network Address Translation. Even today, these changes still surprise people when upgrading from 8.2 to 8.3 or later and many people have a hard time understanding these changes. However, these changes are actually a good thing as it gives you more granular control over the NAT function(s) that your Cisco ASA performs. I have compiled a list of differences...