Port Reference

Common Ports

  • 20 FTP data (File Transfer Protocol)
  • 21 FTP (File Transfer Protocol)
  • 22 SSH (Secure Shell)
  • 23 Telnet
  • 25 SMTP (Send Mail Transfer Protocol)
  • 43 whois
  • 53 DNS (Domain Name Service)
  • 68 DHCP (Dynamic Host Control Protocol)
  • 79 Finger
  • 80 HTTP (HyperText Transfer Protocol)
  • 110 POP3 (Post Office Protocol, version 3)
  • 115 SFTP (Secure File Transfer Protocol)
  • 119 NNTP (Network New Transfer Protocol)
  • 123 NTP (Network Time Protocol)
  • 137 NetBIOS-ns
  • 138 NetBIOS-dgm
  • 139 NetBIOS
  • 143 IMAP (Internet Message Access Protocol)
  • 161 SNMP (Simple Network Management Protocol)
  • 194 IRC (Internet Relay Chat)
  • 220 IMAP3 (Internet Message Access Protocol 3)
  • 389 LDAP (Lightweight Directory Access Protocol)
  • 443 SSL (Secure Socket Layer)
  • 445 SMB (NetBIOS over TCP)
  • 666 Doom
  • 993 SIMAP (Secure Internet Message Access Protocol)
  • 995 SPOP (Secure Post Office Protocol)
  • 3389 Microsoft Remote Desktop (RDP)

Server Apps

  • 1352 Lotus Notes
  • 1433 Microsoft SQL Server
  • 1494 Citrix ICA Protocol
  • 1521 Oracle SQL
  • 1604 Citrix ICA / Microsoft Terminal Server
  • 2049 NFS (Network File System)
  • 3306 mySQL
  • 4000 ICQ
  • 5010 Yahoo! Messenger
  • 5190 AOL Instant Messenger
  • 5632 PCAnywhere
  • 5800 VNC
  • 5900 VNC
  • 6000 X Windowing System
  • 6699 Napster
  • 6776 SubSeven (Trojan - security risk!)
  • 7070 RealServer / QuickTime
  • 7778 Unreal
  • 8080 HTTP
  • 26000 Quake
  • 27010 Half-Life
  • 27960 Quake III
  • 31337 BackOrifice (Trojan - security risk!)

Control Panels

  • 2082: CPanel non-SSL
    • http://[ip address]:2082
  • 2083: CPanel SSL
    • https://[ip address]:2083
  • 2086: WHM non-SSL
    • http://[ip address]:2086
  • 2087: WHM SSL
    • https://[ip address]:2087
  • 4643: Virtuozzo Power Panel
    • https://[ip address]:4643
  • 8443: Plesk Control Panel
    • https://[ip address:8443