Common Network Protocols

In this article we will discuss Common Network Protocols, will make brief discussion on Common Network Protocols, In last article we discuss about Common Applications in small network.

Most of a technician’s work, in either a small or a large network, will in some way be involved with network protocols. Network protocols support the applications and services used by employees in a small network.

Domain Name System

The Domain Name System is a hierarchical decentralized naming system for computers, services, or other resources connected to the Internet or a private network. It associates various information with domain names assigned to each of the participating entities. 

Ssh Server

An SSH server is a software program which uses the secure shell protocol to accept connections from remote computers. SFTP/SCP file transfers and remote terminal connections are popular use cases for an SSH server. This article compares a selection of popular servers.

Dynamic Host Configuration Protocol

The Dynamic Host Configuration Protocol is a network management protocol used on UDP/IP networks whereby a DHCP server dynamically assigns an IP address and other network configuration parameters to each device on a network so they can communicate with other IP networks.

These network protocols comprise the fundamental toolset of a network professional. Each of these network protocols define:

  • Processes on either end of a communication session
  • Types of messages
  • Syntax of the messages
  • Meaning of informational fields
  • How messages are sent and the expected response
  • Interaction with the next lower layer

Many companies have established a policy of using secure versions of these protocols whenever possible. These protocols are HTTPS, SFTP, and SSH.

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