rt 21 –> TCP –> FTP (File Transfer Protocol) Port 22 –> TCP/UDP –> SSH (ssh,scp copy or sftp) Port 23 –> TCP/UDP –> Telnet Port 25 –> TCP/UDP –> SMTP (for sending outgoing emails) Port 43 –> TCP –> WHOIS function Port 53 –> TCP/UDP –> DNS Server (DNS lookup uses UDP and Zone transfers use TCP) Port 70 –> TCP –> Gopher Protocol Port 79 –> TCP –> Finger protocol Port 110 –> TCP –> POP3 (for receiving email) Port 119 –> TCP –> NNTP (Network News Transfer Protocol) Port 143 –> TCP/UDP –> IMAP4 Protocol (for email service) Port 194 –> TCP –> IRC Port 389 –> TCP/UDP –> LDAP (light weight directory access) Port 443 –> TCP –> Secure HTTP over SSL (https) Port 465 –> TCP –> Secure SMTP (email) using SSL Port 990 –> TCP/UDP –> Secure FTP using SSL Port 993 –> TCP –> Secure IMAP protocol over SSL (for emails) Port 1433 –> TCP/UDP –> Microsoft SQL server port Port 2082 –> TCP –> CPanel default port Port 2083 –> TCP –> CPanel over SSL Port 2086 –> TCP –> CPanel Webhost Manager (default) Port 2087 –> TCP –> CPanel Webhost Manager (with https) Port 2095 –> TCP –> CPanel Webmail Port 2096 –> TCP –> Cpanel secure webmail over SSL Port 2222 –> TCP –> DirectAdmin Server Control Panel Port 3306 –> TCP/UDP –> MySQL Database Server Port 4643 –> TCP –> Virtuosso Power Panel Port 5432 –> TCP –> PostgreSQL Database Server Port 8080 –> TCP –> HTTP port (alternative one for port 80) Port 8087 –> TCP –> Plesk Control Panel Port (default) Port 8443 –> TCP –> Plesk Server Control Panel over SSL Port 9999 –> TCP –> Urchin Web Analytics Port 10000 –> TCP –> Webmin Server Control Panel Port 19638 –> TCP –> Ensim Server Control Panel
