port number Flashcards
(18 cards)
What is the port number and protocol for FTP (File Transfer Protocol - Data)?
Port 20 - TCP - Transfers files in active mode
What is the port number and protocol for FTP (File Transfer Protocol - Control)?
Port 21 - TCP - Controls file transfers
What is the port number and protocol for SSH / SFTP (Secure Shell / Secure File Transfer Protocol)?
Port 22 - TCP/UDP - Secure remote access and secure file transfer
What is the port number and protocol for Telnet (Telecommunication Network)?
Port 23 - TCP - Insecure remote terminal access
What is the port number and protocol for SMTP (Simple Mail Transfer Protocol)?
Port 25 - TCP - Sends email messages
What is the port number and protocol for DNS (Domain Name System)?
Port 53 - TCP/UDP - Resolves domain names to IP addresses
What is the port number and protocol for DHCP (Dynamic Host Configuration Protocol - Server to Client)?
Port 67 - UDP - Assigns IP addresses from server
What is the port number and protocol for DHCP (Dynamic Host Configuration Protocol - Client to Server)?
Port 68 - UDP - Client sends response to server
What is the port number and protocol for TFTP (Trivial File Transfer Protocol)?
Port 69 - UDP - Simple file transfer without authentication
What is the port number and protocol for HTTP (Hypertext Transfer Protocol)?
Port 80 - TCP - Unencrypted web browsing
What is the port number and protocol for POP3 (Post Office Protocol v3)?
Port 110 - TCP - Retrieves and downloads email to client
What is the port number and protocol for IMAP (Internet Message Access Protocol)?
Port 143 - TCP - Retrieves and manages email on server
What is the port number and protocol for SNMP (Simple Network Management Protocol)?
Port 161 - UDP - Monitors and manages network devices
What is the port number and protocol for SNMP Trap (Simple Network Management Protocol - Trap)?
Port 162 - UDP - Receives alerts from network devices
What is the port number and protocol for LDAP (Lightweight Directory Access Protocol)?
Port 389 - TCP/UDP - Access and manage directory services
What is the port number and protocol for HTTPS (Hypertext Transfer Protocol Secure)?
Port 443 - TCP - Encrypted secure web browsing
What is the port number and protocol for SMB / CIFS (Server Message Block / Common Internet File System)?
Port 445 - TCP - Windows file and printer sharing
What is the port number and protocol for RDP (Remote Desktop Protocol)?
Port 3389 - TCP/UDP - Remote access to Windows desktops
