Protocols
Protocol Diagram
Interactive Protocol Stack
Common Protocols
TCP
Transmission Control Protocol
TCP provides reliable, ordered, and error-checked delivery of a stream of bytes between applications running on hosts communicating via an IP network.
IP
Internet Protocol
IP is the principal communications protocol in the Internet protocol suite for relaying datagrams across network boundaries.
HTTP
Hypertext Transfer Protocol
HTTP is an application-layer protocol for transmitting hypermedia documents, such as HTML.
HTTPS
Hypertext Transfer Protocol Secure
HTTPS is an extension of the Hypertext Transfer Protocol. It is used for secure communication over a computer network, and is widely used on the Internet.
DNS
Domain Name System
The Domain Name System (DNS) is a hierarchical and decentralized naming system for computers, services, or other resources connected to the Internet or a private network.
SMTP
Simple Mail Transfer Protocol
SMTP is an internet standard for electronic mail (email) transmission.