Network Protocols and Port Numbers

Remote Desktop Protocol (RDP)

• Port Number: 3389, Protocol: TCP

• Port Number: 8080, Protocol: UDP

• Port Number: 22, Protocol: TCP

• Port Number: 80, Protocol: HTTP

Telnet

• Port Number: 22, Protocol: TCP

• Port Number: 23, Protocol: TCP

• Port Number: 80, Protocol: UDP

• Port Number: 25, Protocol: TCP

Database server

• MySQL

• Oracle Database

• Structured Query Language (SQL) Server

• MongoDB

Contains directory information for a network securely with SSL encryption

• Secure LDAP (LDAPS)

• Simple Mail Transfer Protocol (SMTP)

• File Transfer Protocol (FTP)

• Hypertext Transfer Protocol (HTTP)

Receives emails securely with SMTP

• SMTP Secure (SMTPS)

• Post Office Protocol (POP3)

• Internet Message Access Protocol (IMAP)

• Simple Mail Transfer Protocol (SMTP)

Send and receive email messages

• Simple Mail Transfer Protocol (SMTP)

• Hypertext Transfer Protocol (HTTP)

• File Transfer Protocol (FTP)

• Post Office Protocol (POP)

Domain Name System (DNS)

• Port Number: 80, Protocol: HTTP

• Port Number: 53, Protocol: Both

• Port Number: 443, Protocol: HTTPS

• Port Number: 25, Protocol: SMTP

Hosts the information about machines on a network

• Simple Network Management Protocol (SNMP)

• Hypertext Transfer Protocol (HTTP)

• File Transfer Protocol (FTP)

• Post Office Protocol (POP)

Secure File Transfer Protocol (SFTP)

• Port Number: 21, Protocol: TCP

• Port Number: 22, Protocol: TCP

• Port Number: 23, Protocol: UDP

• Port Number: 22, Protocol: UDP

Lightweight Directory Access Protocol (LDAP)

• Port Number: 80, Protocol: TCP

• Port Number: 389, Protocol: TCP

• Port Number: 443, Protocol: UDP

• Port Number: 21, Protocol: FTP