Well this entry deals with the current security setup I have on my computer.
And explains why I have them installed.

Security comes in several layers I’m not talking about OSI.

1. Router Firewall / NAT.
2. Software Firewall (Application based firewall)
3. Hostbased Intrusion Protection (HIPS)
4. Antivirus.
5. Anti Spyware.

1. The first one is pretty simple either you have it or you don’t.
My router I got with my broadband comes with NAT but no Firewall.
NAT = Network Address Translation.
NAT offers a nice first layer of defense for hackers, because they need to figure out what the internal network is.

The internal network can be easy to figure out on a specially crafted website, there are several websites that show your internal IP address on your network.

eg. http://ip-lookup.net/lan-address

You…