Chapter 5, Ports and Protocols Flashcards
What is the well-known port range?
0 to 1,023
Describe the well-known port range
Permanently assigned
What is the registered port range?
1,024 to 49,151
Describe the registered port range
Assigned to services on request of developers
What is the dynamic, private, or ephemeral port range?
49,152 to 65,535
Describe the dynamic, private, or ephemeral port range
Unregistered ports
Ports 20/21
File Transfer Protocol (FTP)
Describe File Transfer Protocol (FTP)
Transfers files between clients and servers using two ports, one for control traffic and one for data
Port 22 (1 of 2)
Secure Shell (SSH)
Port 22 (2 of 2)
Secure File Transfer Protocol (SFTP)
Describe Secure Shell (SSH)
Provides a secured command-line interface to remote systems
Describe Secure File Transfer Protocol (SFTP)
Securely transfers files between clients and servers
Port 23
Telnet
Describe Telnet
Provides an unsecured command-line interface to remote systems
Port 25
Simple Mail Transfer Protocol (SMTP)
Describe Simple Mail Transfer Protocol (SMTP)
Transmits mail traffic between servers and between server and client
Port 53
Domain Name System (DNS)
Describe Domain Name System (DNS)
Resolves host and domain names into IP addresses
Ports 67/68
Dynamic Host Configuration Protocol (DHCP)
Describe Dynamic Host Configuration Protocol (DHCP)
Assigns IP addresses to TCP/IP clients
Port 69
Trivial File Transfer Protocol (TFTP)
Describe Trivial File Transfer Protocol (TFTP)
Transfers files between clients and servers without authentication
Port 80
Hypertext Transfer Protocol (HTTP)
Describe Hypertext Transfer Protocol (HTTP)
Carries web page content from servers to browsers