Common Ports Flashcards
What is Telnet?
Telecommunication Network
What port is Telnet?
tcp/23
What does Telnet do?
Login to devices
Console Access
In-the-clear communication
Why is Telnet not the best choice for production systems?
Your data is not encrypted (it butt naked)
What does SSH stand for?
Secure Shell
What port is SSH?
tcp/22
What does SSH do?
Encryption communication link
Looks and acts just as Telnet
What does DNS stand for?
Domain Name System
What does DNS do?
Converts names to IP addresses
What port is DNS?
udp/53
What does SMTP stand for?
Simple Mail Transfer Protocol
What does SMTP do?
Sever to server email transfer
What does SFTP stand for?
Secure File Transfer Protocol
What does SFTP use?
Uses the SSHFTP
What does SFTP do?
Provides file system functionality- resumes interrupted transfers, directory listings, remote file removal.
Encrypted Communication- using SSH