Linux – POFTUT

Category: Linux

What Is RJ45 Connector? 0

What Is RJ45 Connector?

RJ45 is a type of cable connector which is mainly used in computer networks. RJ45 is mainly used for ethernet networking which is used to connect different type of devices like a switch, hub, PC, router, firewall to each other.RJ45 is the most known and popular connector type in the IT world. RJ Stands For Registered Jack Well, where the RJ comes from. RJ means Registered Jack and standardized network...

What Is Computer Domain and Domain Name Definition? 0

What Is Computer Domain and Domain Name Definition?

domain is a very popular term used in computer and information technology. Users generally do not know or misinterpret the domain keyword meaning. The domain can be used in different areas of computer science. In this tutorial, we will learn Domain meaning and types with the purpose and difference with the Domain and Hosting. Domain Types Domain definition can be used in different areas in computer science or information technology....

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What Is LAN (Local Area Network) and Compare With MAN, MAN?

Local Area Network is a computer network where computers in the same location or group are connected together and shares common communication lines. Local Area Network is mainly expressed as LAN which is a very popular term in computer network and IT. LAN Components LAN will have very simple topology where some equipment or components are used. In order to connect multiple computers in a single LAN, we can use...

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What Is A Firewall and How Its Work?

Today Firewall is depicted as the main component of the security and networks. Firewalls provide a lot of different operations and features. In the old days, the firewall was simply used to block or allow some ports and management of the NAT. In these days there are a lot of different threats where the firewall is used to detect and stop these threats. Firewall Features Today modern firewall’s provides a...

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What Is NAT (Network Address Translation) and How It Works?

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 client which is located LAN. Topology NAT has the following topology in general. NAT will occur on the...

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What Is A Router, Tips For Buying Routers and How Does It Work?

Technical or not most of the people know the router word. Those who know the router can understand a different thing from the word. In this tutorial, we will try to explain what is a router in a technical and non-technical way with router functions, router types and router security. What is a Router For? A router is a device which will connect different networks and the internet together. Typical...

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nslookup Commands Tutorial with Examples

nslookup is a very powerful tool used to get DNS realted information from DNS servers. We can get web server IP address, Mail Server IP address, Alternative IP addresses, DNS Management Information etc from DNS servers with the nslookup command. Query and Print A Type Records We will start with a simple and general example. We will query and list the A type of records. A type record is used to...

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How To Install and Config Polipo Caching Web Proxy On Linux?

Polipo was the best HTTP proxy when it emerged. Since then web behavior has a lot changed and HTTPS became popular. HTTPS prevents intermediates to read traffic and cache them. Polipo is not maintained currently but useful for different cases. Install For Ubuntu, Debian, Mint, Kali We can install polipo for Ubuntu, Debian, Mint, Kali with the apt-get command like below.

Install For Ubuntu, Debian, Mint, Kali We can also install...

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What Is Telnet Command and What Is Telnet Used For?

Telnet is a command line protocol used to manage different devices like Server, PC, Router, Switch, Camera, Firewall remotely. Telnet is a very simple protocol which provides simple remote connection and sending commands or data to the remote network connection. This makes telnet very popular among IT systems. Telnet generally comes after SSH for remote system management from the command line. History of Telnet Telnet protocol is created with the...

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What Is Static IP Address, Compare with Dynamic IP Address and How To Set For Windows and Linux?

IP addresses are the core mechanism of the Computer networks. The IP address is used to specify the host to communicate and transmit data. There is two type of IP address configuration mechanism. Dynamic and Static. In this tutorial, we will examine the static IP address configuration. Static IP Address Static means stable or not changeable, fixed etc. Static IP addresses set to the host or interface and do not change during...

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