Internet protocols

Definition of Internet protocols in The Network Encyclopedia.

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What is Internet protocols?

A term that generally refers to application-layer TCP/IP protocols commonly used over the Internet.

The following table shows many of the standard Internet protocols in use today. Some of these protocols, such as Gopher, are rapidly waning in popularity.

To access a protocol such as Hypertext Transfer Protocol (HTTP) with a Web browser such as Microsoft Internet Explorer, you would use a Uniform Resource Locator (URL) beginning with http://.

Standard Internet Protocols

Protocol Protocol Name Description
http
Hypertext Transfer Protocol
Used for Web pages that contain text, graphics, sound, and other digital information stored on a Web server on the World Wide Web
ftp
File Transfer Protocol
Transfers files between two computers over the Internet
gopher
Gopher protocol
Displays information stored on a network of Gopher servers
wais
WAIS protocol
Used for accessing a Wide Area Information Servers database
file
File protocol
Opens a file on a local hard disk or a network share
https
Secure Hypertext Transfer Protocol
Establishes an encrypted HTTP connection using the Secure Sockets Layer (SSL) protocol
mailto
MailTo protocol
Starts a Simple Mail Transfer Protocol (SMTP) e-mail program to send a message to the specified Internet e-mail address
news
News protocol
Opens a Network News Transfer Protocol (NNTP) newsreader and the specified Usenet newsgroup
nntp
Network News Transfer Protocol
Performs the same function as the News protocol
mid
Musical Instrument Digital Interface (MIDI) protocol
Plays MIDI sequencer files if the computer has a sound card
telnet
Telnet protocol
Starts a Telnet terminal emulation program
rlogin
Rlogin protocol
Starts an Rlogin terminal emulation program
tn3270
TN3270 protocol
Starts a TN3270 terminal emulation program
pnm
RealAudio protocol
Plays RealAudio streaming audio from a RealAudio server
mms
Microsoft Media Server (MMS) protocol
Plays .asf streams from a Microsoft NetShow server