Related Articles
Most Commonly Used Ports
Port numbers ranges from 1 to 65535, out of which well known ports are pre-defined as convention by IANA.
- 0-1023 – Well known ports (HTTP, SMTP, DHCP, FTP etc)
- 1024-49151 – Reserved Ports
- 49152-65535 – Dynamic/Private Ports
Well known ports
- 20 & 21 – FTP (File Transfer Protocol)
- 22 – SSH (Secure Shell)
- 23 – Telnet, a Remote Login Service
- 25 – SMTP (Simple Mail Transfer Protocol)
- 53 – DNS (Domain Name System)
- 80 – HTTP (Hypertext Transfer Protocol)
- 110 – POP3 (Post Office Protocol 3)
- 115 – SFTP (Secure File Transfer Protocol)
- 123 – NTP (Network Time Protocol)
- 143 – IMAP (Internet Message Access Protocol)
- 161 – SNMP (Simple Network Management Protocol
- 194 – IRC (Internet Relay Chat)
- 443 – SSL / HTTPS (Hypertext Transfer Protocol Secure)
- 445 – SMB
- 465 – SMTPS (Simple Mail Transfer Protocol over SSL)
- 554 – RTSP (Real Time Stream Control Protocol)
- 873 – RSYNC (RSYNC File Transfer Services)
- 993 – IMAPS (Internet Message Access Protocol over SSL)
- 995 – POP3S (Post Office Protocol 3 over SSL)
- 3389 – RDP (Remote Desktop Protocol)
- 5631 – PC Anywhere
- 3306 – MySQL
- 5432 – PostgreSQL
- 5900 – VNC
- 6379 – Redis
- 11211 – Memcached
- 25565– Minecraft
