Di bawah ni, saya senaraikan antara port-port network yang famous(well-known port) yang perlu korang tahu bila jadi orang IT ni..

Port 21 – FTP (File Transfer Protocol)

Port 22 – SSH (Secure Shell Protocol)

Port 23 – Telnet

Port 25 – SMTP (Simple Mail Transport Protocol)

Port 53 – DNS (Domain Name Server)

Port 80 – HTTP

Port 110 – POP3

Port 143 – IMAP

Port 389 – LDAP

Port 993 – IMAP over TLS/SSL

Port 995 – POP3 over TLS/SSL

Port 3306 – MySQL

Port 3389 – RDP