Most Used Protocols and Their Port Number
Overview:
A set of Rules and Standard use for electronic communication with each other devices are called Protocol. The Internet Assigned Numbers Authority (IANA) has assigned port numbers to commonly used services.
- FTP: File Transfer Protocol (Port 21)
- SSH: Secure Shell (Port 22)
- Telnet: Port 23
- SMTP: Simple Mail Transfer Protocol (Port 25)
- DNS: Domain Name System or Service (Port 53)
- HTTP: HyperText Transfer Protocol (Port 80)
- HTTPS: HyperText Transfer Protocol Secure (Port No. 443)
- POP 2: Post Office Protocol (Port No. 110)
- IMAP: Internet Message Access Protocol (Port 143)
- RDP: Remote Desktop Protocol (Port 3389)
- TCP: Transmission Control Protocol
- UDP: User Datagram Protocol
- ARP: Address Resolution Protocol
- DHCP: Dynamic Host Configuration Protocol (Server Port 67, Client Port 68)
- MTP: Media Transfer Protocol
- SSL: Secure Socket Layer
- TLS: Transport Layer Security
- E6: Ethernet globalization Protocol
- NTP: Network Time Protocol (Port 123)
- PPP: Point to Point Protocol
- NNTP: Network News Transfer Protocol (Port 119)
- QOTD: Quote Of The Day
- Bitcoin Protocol: Protocol for Bitcoin transactions and transfers on the web
- ICMP: Internet Control Message Protocol
- IGMP: Internet Group Management Protocol
- GGP: Gateway-to-Gateway Protocol
- IRC: Internet Relay Chat