15 –

21 – FTP

23 –

25 – SMTP

42 – WINS

53 – DNS

67 – Bootp

68 – DHCP

80 – HTTP

88 – Kerberos

101 – HOSTNAME

110 – POP3

119 – NNTP

123 – NTP (Network protocol)

139 – NetBIOS

161 – SNMP

180 – RIS

389 – LDAP (Lightweight Directory Access Protocol)

443 – HTTPS (HTTP over SSL/TLS)

520 – RIP

79 – FINGER

37 – Time

3389 – Terminal services 443 – SSL () (http protocol over TLS/SSL)

220 – IMAP3

3268 – AD Global Catalog

3269 – AD Global Catalog over SSL

500 – Internet Key Exchange, IKE (IPSec) (UDP 500)

20-FTP Data

21-FTP Control

23-Telnet

25-SMTP

53 -TCP

69 -TFTP

80 -HTTP/WWW

109-POP2

110-POP3

123/UDP-NTP

137-NetBIOS

443-HTTPS

546-DHCPv6

547-DHCPv6 Port 21 –> TCP –> FTP ( Transfer Protocol) Port 22 –> TCP/UDP –> SSH (ssh,scp 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 –> 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