Common Ports Part 1 Flashcards
Common ports in Networking
What Telnet stands for and what port it uses?
Telnet stands for Telecommunication Network and uses TCP 23
What SSH stands for and what port it uses?
SSH stands for Secure Shell and uses TCP 22
What DNS stands for and what port it uses?
DNS stands for Domain Name System and uses UDP 53 port
What SMTP stands for and what port it uses?
SMTP stands for Simple Mail Transfer Protocol and uses TCP 25 port
What SFTP stands for and what port it uses?
SFTP stands for Secure File Transfer Protocol and uses the same port as SSH (TCP 22)
What FTP stands for and what ports it uses?
FTP stands for File Transfer Protocol and uses TCP 20 for active mode data and TCP 21 for control
What TFTP stands for and what port it uses?
TFTP stands for Trivial File Transfer Protocol and uses UDP 69 (NICE)
What DHCP stands for and what port it uses?
DHCP stands for Dynamic Host Configuration and uses both UDP 67 and UDP 68 ports
What HTTP and HTTPS stand for and what ports they use?
HTTP stands for Hypertext Transfer Protocol and uses port TCP 80
HTTPS stands for Hypertext Transfer Protocol Secure and uses port TCP 443
What’s Telnet?
Can login to devices
Has a console access
In-the-clear communication
What’s Secure Shell
Same as Telnet but modern
Encrypted communication link
What Domain Name System does?
Domain Name System converts names to IP addresses
What’s Simple Mail Transfer Protocol (SMTP)?
Server to server email transfer
Used to send mail form a device to a mail server
What’s SFTP?
Uses Secure Shell Transfer Protocol
Provides file system functionality such as resuming interrupted transfers, directory listings, remote file removal
Has encrypted communication
What FTP does?
Transfers files between systems
Authenticates with username and password
Full-featured functionality (list, add, delete, etc.)
