Port Number List PDF

Port Number List - Summary

A port number is a key part of how applications and processes communicate over a network or the Internet. It serves as a logical address, helping to uniquely identify each network-based application on your computer. These numbers can be assigned automatically by your operating system, manually by the user, or set as defaults for popular applications.

Port numbers are grouped into three ranges: well-known ports, registered ports, and dynamic or private ports. Registered ports range from 1024 to 49151. The Internet Assigned Numbers Authority (IANA) is responsible for maintaining the official list of well-known and registered ports. The dynamic or private ports are those that range from 49152 to 65535.

Understanding Port Numbers

When using the internet or networks, knowing port numbers is important because they help different applications find each other. Here are some common port numbers and their uses:

Port Number List

1. FTP (File Transfer Protocol):
   • Port 20: Data transfer
   • Port 21: Control (command)
2. SSH (Secure Shell):
   • Port 22: Secure login
3. Telnet:
   • Port 23: Unencrypted text communication
4. SMTP (Simple Mail Transfer Protocol):
   • Port 25: Email transfer
5. DNS (Domain Name System):
   • Port 53: Domain name resolution
6. HTTP (Hypertext Transfer Protocol):
   • Port 80: Web traffic (unencrypted)
7. HTTPS (Hypertext Transfer Protocol Secure):
   • Port 443: Secure web traffic (encrypted)
8. SNMP (Simple Network Management Protocol):
   • Port 161: Network monitoring and management
9. LDAP (Lightweight Directory Access Protocol):
   • Port 389: Directory services
10. MySQL:
    • Port 3306: MySQL database
11. RDP (Remote Desktop Protocol):
    • Port 3389: Remote desktop access
12. FTP Secure (FTPS):
    • Port 989: FTPS protocol (data)
    • Port 990: FTPS protocol (control)
13. SFTP (SSH File Transfer Protocol):
    • Port 22: Secure file transfer over SSH
14. SMTPS (SMTP Secure):
    • Port 465: Encrypted SMTP
15. POP3 (Post Office Protocol version 3):
    • Port 110: Email retrieval
16. IMAP (Internet Message Access Protocol):
    • Port 143: Email retrieval
17. IMAPS (IMAP Secure):
    • Port 993: Secure email retrieval
18. NNTP (Network News Transfer Protocol):
    • Port 119: Usenet news
19. NTP (Network Time Protocol):
    • Port 123: Time synchronization
20. LDAP Secure (LDAPS):
    • Port 636: Encrypted LDAP

Download the Port Number List in PDF format using the link given below.

RELATED PDF FILES

• 1 to 1000 Numbers Words in Tamil Tamil
• Number Series
• Index Number in Statistics Notes
• RTE Gujarat Helpline Numbers
• All Country Code Number List
• To get Photocopy of Answer Sheet HBSE Important Guidelines Hindi
• CBSE Class 12 Chemistry Important Questions for Board Exam 2024
• CBSE Sports Calendar 2023-24

Port Number List PDF Download