Linux, Windows, Security, Programming, Network Tutorials
A Wide Area Network or WAN is a computer network which ranges over different cities, countries eve continents simply large geographical area. WAN is very popular for different reasons but the internet is a WAN which is the most popular computer network in the world where billions of people use this WAN type network. According … Read more
Local Area Network is a computer network where computers in the same location or group are connected together and share common communication lines. Local Area Network is mainly expressed as LAN which is a very popular term in computer networks and IT. LAN Components LAN will have a very simple topology where some equipment or … Read more
Network Address Translation a.k.a. NAT is a process or technique used to change IP address and TCP port numbers by an intermediate device like firewall, router, modem, etc. There are different use cases for NAT but the most popular one is to use a single WAN IP address for multiple servers and clients which is … Read more
We can determine Linux system IP address in different ways. IP address is used to communicate over network and can be get and set in different ways. In this tutorial we will use Ubuntu distribution but given examples and commands will work for all of the different Linux distribution like Fedora, CentOS, Debian, Kali, Mint, … Read more
In corporate networks or internet works on dominantly on IP protocol. IP protocols have two versions. Most popular default one is IPv4 and other next-generation by not so widespread version are IPv6. IPv6 have a lot of advantages against IPv4 but as you know changing and infrastructure through world wide is not so easy job. … Read more
Sometimes I need external IP address of system I am logged on. The general solution is to use browser and search for “what is my address” . And magically google shows the external IP. But if you have no chance to use browser or especially GUI there must be an alternative for this. Here is … Read more