Port | TCP | Description |
21 | Yes | File Transfer Protocol (FTP) control (command) |
22 | Yes | Secure Shell (SSH), secure logins, file transfers (scp, sftp) and port forwarding |
23 | Yes | Telnet protocol—unencrypted text communications |
25 | Yes | Simple Mail Transfer Protocol (SMTP), used for email routing between mail servers |
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Apr 30, 2024 · Port numbers are assigned in various ways, based on three ranges: System Ports ... PORT NUMBER * * REGISTERED OR NOT. ... tcp, TCP Port Service ...
Apr 15, 2024 · The most 50 significant ports are listed here: ; Kerberos, TCP, UDP, Kerberos Change/Set password ; SMTP over TLS/SSL, SSM, TCP, Authenticated ...
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These ports are categorized into three ranges: well-known ports (0-1023), registered ports (1024-49151), and dynamic or private ports (49152-65535). TCP Port ...
What are the different port numbers? · Ports 20 and 21: File Transfer Protocol (FTP). · Port 22: Secure Shell (SSH). · Port 53: Domain Name System (DNS). · Port 80: ...
TCP Ports list (3498 ports in list) ; 79, finger, Finger ; 80, http, World Wide Web HTTP ; 81, hosts2-ns, HOSTS2 Name Server ; 82, xfer, XFER Utility ; 83, mit-ml- ...
Port 0 to 1023: These TCP/UDP port numbers are considered as well-known ports. · Port 1024 to 49151: These are ports that an organization, such as application ...
Well-known/System Ports: 0 – 1023 ; 411, (Multiple uses), TCP, UDP ; 412, (Multiple uses), TCP, UDP ; 427, SLP, TCP ; 443, HTTPS (HTTP over SSL), TCP, UDP, SCTP ...
Overview of common TCP and UDP default ports · SMTP - 25 · HTTP - 80 · HTTPS - 443 · FTP - 20, 21 · TELNET - 23 · IMAP - 143 · RDP - 3389 · SSH - 22.