Common Network Ports Flashcards
(18 cards)
tcp/443
Name: HTTPS - Hypertext Transfer Protocol Secure ~ Purpose: Communication in the browser and other applications
tcp/389
Name: LDAP - Lightweight Directory Access Protocol ~ Purpose: Store and retrieve information in a network directory
udp/53
Name: DNS - Domain Name System ~ Purpose: Converts names to IP addresses
tcp/143
Name: IMAP - Internet Message Access Protocol ~ Purpose: Receive email
udp/161
Name: SNMP - Simple Network Management Protocol (Queries) ~ Purpose: Gather statistics from network devices
udp/162
Name: SNMP - Simple Network Management Protocol (Queries) ~ Purpose: Gather statistics from network devices
tcp/3389
Name: RDP - Remote Desktop Protocol ~ Purpose: Share desktop from remote location
tcp/22
Name: SSH - Secure Shell ~ Purpose: Encrypted communication link
tcp/20
Name: FTP Active Mode Data ~ Purpose: Transfers files between systems
tcp/21
Name: FTP Control ~ Purpose: Transfers files between systems
tcp/23
Name: Telnet - Telecommunications Network ~ Purpose: Non-encrypted communication link
tcp/25
Name: SMTP - Simple Mail Transfer Protocol ~ Purpose: Server to server email transfer or device to server
tcp/80
Name: HTTP - Hypertext Transfer Protocol ~ Purpose: Communication in the browser and other applications
tcp/110
Name: POP3 - Post office Protocol version 3 ~ Purpose: Receive email
tcp/445
Name: SMB - Server Message Block ~ Purpose: File sharing, printer sharing
tcp/548
Name: AFP - Apple Filing Protocol ~ Purpose: File services in macOS
tcp/427 & udp/427
Name: SLP - Service Location Protocol ~ Purpose: Populate list of available devices
tcp/67, udp/67
Name: DHCP - Dynamic Host Configuration Protocol ~ Purpose: Automated configuration of IP address, subnet mask, and other
