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Subtopic: Internet Protocols

Articles about the internet protocols which provide rules for transmitting data over a network.

Internet Protocols 1
What Is A Reverse DNS Lookup

What Is A Reverse DNS Lookup?

Difficulty: Advanced

As suggested in the name, a reverse DNS lookup, also known as an rDNS, is the opposite of a forwards lookup. It works by first....

What Is DNS Hijacking

What Is DNS Hijacking?

Difficulty: Advanced

DNS hijacking, also known as DNS poisoning or DNS redirection is the hijacking of a DNS request. It occurs when a DNS request t...

What Is The SIP Protocol

What Is The SIP Protocol?

Difficulty: Advanced

Short for session initiation protocol, SIP is a signalling protocol used to initiate, maintain, and terminate real-time communi...

What Is ICMP

What Is ICMP?

Difficulty: Advanced

Short for Internet Control Message Protocol, ICMP is in the network layer of the OSI model and it is used to communicate errors...

What Is IPv6

What Is IPv6?

Difficulty: Medium

Short for Internet Protocol Version 6, IPv6, also known as IPng or IP Next Generation is the more recent and advanced version o...

What Is IPv4

What Is IPv4?

Difficulty: Medium

Short for Internet Protocol Version 4, IPv4 is the most common type of IP address. It is the fourth version of an IP address th...

What Is DHCP

What Is DHCP?

Difficulty: Advanced

Short for Dynamic Host Configuration Protocol, DHCP is a network configuration protocol that automatically assigns an IP addres...

What Is BGP

What Is BGP?

Difficulty: Advanced

Short for Border Gateway Protocol, BGP is a protocol designed to make the internet function properly by enabling data routing a...

What Is The SOCKS Protocol

What Is The SOCKS Protocol?

Difficulty: Medium

Short for the Socket Secure protocol, SOCKS is a protocol used for transferring data between the source and the server through....

What Is The RIP Protocol

What Is The RIP Protocol?

Difficulty: Advanced

Short for the routing information protocol, RIP is a protocol that makes use of the hop count as a routing metric and prevents ...

What Is The OSI Model

What Is The OSI Model?

Difficulty: Advanced

Short for Open Systems Interconnections model, the OSI model defines seven layers that devices use for communicating over a net...

What Is MIME

What Is MIME?

Difficulty: Medium

Short for Multipurpose Internet Mail Extensions, MIME extends the original SMTP and enables users to use text in character sets...

What Is IMAP

What Is IMAP?

Difficulty: Medium

Short for Internet Message Access Protocol, IMAP is an alternative protocol to POP3. It is used for receiving mail and not send...

What Is POP3

What Is POP3?

Difficulty: Medium

Short for Post Office Protocol, POP3 is a protocol used for receiving email messages. It is not used for sending messages. The...

What Is SMTP

What Is SMTP?

Difficulty: Medium

Short for Simple Mail Transfer Protocol, SMTP is a protocol used for transferring outgoing mail from one server to another. It...

What Is The Internet Protocol

What Is The Internet Protocol?

Difficulty: Medium

The Internet Protocol, often abbreviated to IP is a set of rules that determine how electronic devices communicate with each to...

What Is XMPP

What Is XMPP?

Difficulty: Medium

Short for Extensible Messaging and Presence Protocol, XMPP is a communication protocol used for instant messaging, near-real-ti...

What Is SSH

What Is SSH?

Difficulty: Medium

Short for Secure Shell, SSH is the application layer of the TCP/IP protocol suite and a secure method of communicating with a s...

What Is Telnet

What Is Telnet?

Difficulty: Medium

Telnet, short for Teletype Network and sometimes further abbreviated to TN, is the application layer of the TCP/IP protocol sui...

What Is BitTorrent

What Is BitTorrent?

Difficulty: Medium

BitTorrent is a P2P file-sharing protocol that allows users to upload and download files. The files uploaded and downloaded cou...

What Is A Protocol

What Is A Protocol?

Difficulty: Medium

A protocol is a set of rules that determine how electronic devices communicate with each other and transfer data. In a similar....

What Is SNMP

What Is SNMP?

Difficulty: Advanced

Short for Simple Network Management Protocol, SNMP is a component of the Internet Protocol Suite used for monitoring, organisin...

What Is RSVP

What Is RSVP?

Difficulty: Advanced

Short for resource reservation protocol, RSVP is a transport layer protocol used for reserving network resources in order to ge...

What Is IPsec

What Is IPsec?

Difficulty: Advanced

Short for internet protocol security, IPsec is a network protocol suite used for enabling encrypted connections and secure comm...

What Is UDP

What Is UDP?

Difficulty: Advanced

Short for User Datagram Protocol, UDP is a communication protocol that is a very important part of the Internet Protocol Suite....

What Is VoIP

What Is VoIP?

Difficulty: Medium

Short for Voice over Internet Protocol, VoIP is a technology used for the delivery of voice communications over the internet. I...

What Is The Transmission Control Protocol

What Is The Transmission Control Protocol?

Difficulty: Medium

The Transmission Control Protocol (TCP) is a network communication protocol that is designed to send data packets over the inte...

What Is FTP

What Is FTP?

Difficulty: Medium

Short for file transfer protocol, FTP, also known as RFC 959 is a communication protocol and internet standard that is used for...

What Is HTTP

What Is HTTP?

Difficulty: Medium

Short for hypertext transfer protocol, HTTP is a protocol that is used for the transmission of information between web browsers...

What Is DNS

What Is DNS?

Difficulty: Advanced

DNS is short for domain name system and it can also be known as the phonebook of the internet. The purpose of DNS is to transl...