11. Extra Ports Information

  • Well-known/System Ports
    • 0-1023
  • User Ports/Registered Ports
    • 1024-49151
  • Dynamic/Private/Ephemeral Ports
    • 49152-65535
  • Port Numbers and their Applications
    • 20 – FTP (Send file data)
    • 21 – FTP (Session info)
    • 22 – SSH, FTPS, SCP
    • 23 – Telnet
    • 25 – SMTP
    • 49 – TACACS+
    • 53 UDP/TCP – DNS
    • 67 UDP – DHCP and BOOTP
    • 69 – TFTP
    • 80 – HTTP
    • 88 – Kerberos
    • 110 – POP3
    • 119 – NNTP (Network News Transfer Protocol)
    • 123 – NTP (Network Time Protocol)
    • 137,138,139 – NetBIOS
    • 143 – IMAP
    • 161 – SNMP (Agents receive requests)
    • 162 – SNMP (Controller receives data)
    • 389 – TCP – LDAP Lightweight Directory Access – 389
    • 443 – HTTPS (over TLS/SSL)
    • 443 – SSTP (Over TLS/SSL) Secure Socket Tunneling Protocol
    • 445 – SMB Server Messaging Block – 445
    • 465 – SMTP Secure Mail Transfer Protocol
    • 500 – IKE Internet Key Exchange
    • 636 – LDAPS w/ TLS
    • 989/990 – FTPS
    • 1701 – L2TP, L2F Layer 2 Tunneling Protocol – 1701
    • 1720 – H.323
    • 1723 – PPTP Point to Point Transfer Protocol – 1723
    • 1812,1813 – RADIUS RADIUS – 1813,1812
    • 2427 – MGCP Media Gateway Control Protocol – 2427
    • 2727 – MGCP
    • 3389 – RDP Remote Desktop Protocol – 3389
    • 5004 – RTP Real-time Transport Protocol – 5004
    • 5005 – RTP (Default)
    • 5060 – SIP (unencrypted) Session Initiation Protocol – 5060
    • 5061 – SIP (encrypted with TLS)
  • Protocol IDs
    • PID 50 – ESP IPsec IPsec
    • PID 51 – AH IPsec Authentication Headers
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I post all things that interest me. Mainly computers.

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