Port Numbers

Port Numbers - Port Description status 0/TCP,UDP Reserved...

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Port Description status 0/TCP,UDP Reserved; do not use (but is a permissible source port value if the sending process does not expect messages in response) Official 1/TCP,UDP TCPMUX (TCP port service multiplexer) Official 5/TCP,UDP RJE (Remote Job Entry) Official 7/TCP,UDP ECHO protocol Official 9/TCP,UDP DISCARD protocol Official 11/TCP,UDP SYSTAT protocol Official 13/TCP,UDP DAYTIME protocol Official 17/TCP,UDP QOTD (Quote of the Day) protocol Official 18/TCP,UDP Message Send Protocol Official 19/TCP,UDP CHARGEN (Character Generator) protocol Official 20/TCP FTP - data port Official 21/TCP FTP - control (command) port Official 22/TCP,UDP SSH (Secure Shell) - used for secure logins, file transfers ( scp , sftp ) and port forwarding Official
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23/TCP,UDP Telnet protocol - unencrypted text communications Official 25/TCP,UDP SMTP - used for e-mail routing between mailservers E-mails Official 26/TCP,UDP RSFTP - A simple FTP-like protocol Unofficial 35/TCP,UDP QMS Magicolor 2 printer Unofficial 37/TCP,UDP TIME protocol Official 38/TCP,UDP Route Access Protocol Official 39/TCP,UDP Resource Location Protocol Official 41/TCP,UDP Graphics Official 42/TCP,UDP Host Name Server Official 42/TCP,UDP WINS [1] Unoffical/Conflict 43/TCP WHOIS protocol Official 49/TCP,UDP TACACS Login Host protocol Official 53/TCP,UDP DNS (Domain Name System) Official 57/TCP MTP, Mail Transfer Protocol 67/UDP BOOTP (BootStrap Protocol) server; also used by DHCP (Dynamic Host Configuration Protocol) Official
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68/UDP BOOTP client; also used by DHCP Official 69/UDP TFTP (Trivial File Transfer Protocol) Official 70/TCP Gopher protocol Official 79/TCP Finger protocol Official 80/TCP HTTP (HyperText Transfer Protocol) - used for transferring web pages Official 81/TCP HTTP Alternate (HyperText Transfer Protocol) Official 81/TCP Torpark - Onion routing ORport Unofficial 82/UDP Torpark - Control Port Unofficial 88/TCP Kerberos - authenticating agent Official 101/TCP HOSTNAME 102/TCP ISO-TSAP protocol 107/TCP Remote Telnet Service 109/TCP POP, Post Office Protocol, version 2 110/TCP POP3 (Post Office Protocol version 3) - used for retrieving E-mails Official 111/TCP,UDP sun protocol Official
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