Network Wizkid's Technical Knowledge Base

In this article, we will take a look at how to configure different types of NAT on the Cisco ASA post 8.4 software code. Accompanying this post is a video demonstration covering what has been discussed in this article. We will cover the following types of NAT: Static NAT Dynamic NAT Dynamic PAT Identity NAT Before jumping into the demonstrations I will explain the purpose of each type of NAT on the Cisco ASA. Overview of NAT NAT addresses can be defined as the following: Inside local address: This is the IP address that is assigned to a host on the inside of a network. The inside local address is most certainly bound to fall within the RFC 1918 reserved private IP address spaces. Inside global address: This is a globally routable IP address (public IP address) that can represent one or more inside local IP addresses to the outside world. Outside local address: This is the IP address of an outside host as it appears to the inside network. Outside global address: This is the IP addre...

The CCNA Security certification is an excellent starting point for anybody that may be looking at entering the IT security world, predominately focused on securing and maintaining Cisco devices. But this just isn’t any certification, in fact, if you’re familiar with Cisco certifications then you’ll probably know that Cisco certifications are renowned for being difficult to pass. However, don’t let that stop you because nothing worth having is easy! Coupled with that, the CCNA Security certification is 8570.01M compliant by the United States Department of Defense (DoD), which is excellent for anybody in that line of work. But certifications require effort! As with many certification exams, the CCNA Security requires hours upon hours of practice and studying in order to stand a chance in passing the exam. I know this because back in 2017, I passed my CCNA Security exam by spending a great deal of time learning the theory and applying what I’d learnt into labs. So with that in mind, I ha...