Sometimes when I learn something new in the world of technology, I am often amazed that something that I assumed was technically advanced is rather quite simple. Such is the case with configuring DHCP on a Cisco Router. I mean, is it just me or do network guys sometimes act as if everything that they do is takes elite technical skills and tons of experience. Don't get me wrong, I know that networking is not exactly easy. But can we just agree to admit that once in a while some things are easier done than said. Anyway, for me this was the case with configuring a DHCP pool on a Cisco Router.
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A Simple Introduction to TCP Wrappers
0993fb024232491eIn the world of Linux there are numerous ways that you can configure a Linux server to allow or deny access to a service, and while many people like to rely solely on Iptables, I wanted to take the opportunity to get my feet wet with TCP Wrappers. Note that this post is not meant to be the be-all end-all post on tcp wrappers. I am not going to review each and every configuration option, and trust me there are quite a few. Rather this is going to be a simple post which explains how to use tcp wrappers.
RHEL6 – Simple Iptables How To
Your mother and I were talking last night about how important it is to properly configure Iptables, and how despite that fact, many just choose to disable it. So today we are going to discuss iptables.