Some important port numbers

There are huge number of ports which are reserved. But the ports mentioned below are more important.
IMPORTANT PORTS:
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Important Linux Port Numbers
15 – Netstat
20 --FTP Data
21 => FTP
22 => SSH
23 => Telnet
25 => SMTP Mail Transfer
37 – Time
42 – WINS
43 => WHOIS service
53 => name server (DNS)
67 – DHCP SERVER
68 – DHCP CLIENT
69 --TFTP
80 => HTTP (Web server)
443 -- HTTPS(SSL (https) (http protocol over TLS/SSL)
88 – Kerberos
101 – HOSTNAME
109 -- POP2
110 => POP protocol (for email)
123 – NTP (Network time protocol)
137-NetBIOS
161 – SNMP
143 -- IMAP
220 – IMAP3
995 => POP over SSL/TLS
9999 => Urchin
111 => rpcbind
953 => rndc
143 => IMAP Protocol (for email)
993 => IMAP Secure
443 => HTTP Secure (SSL for https:// )
500 – Internet Key Exchange, IKE (IPSec) (UDP 500
546-DHCPv6 client
547-DHCPv6 serveR
3306 = > MysQL Server
4643 => Virtuosso Power Panel
2082 => CPANEL
2083 => CPANEL - Secure/SSL
2086 => CPANEL WHM
2087 => CPANEL WHM - Secure/SSL
2095 => cpanel webmail
2096 => cpanel webmail - secure/SSL
3306 => SQL
Plesk Control Panel => 8443
DirectAdmin Control Panel => 2222
Webmin Control Panel => 10000