Monthly Archives: January 2019
Common Ports and Their Associated Protocols in Networking
Port Number
Associated Protocol (or Keyword)
TCP/UDP Usage
Secure Version and Port
Usage
21
FTP
TCP
FTPS, port 989/990
Transfers files from host to host.
22
SSH
TCP or UDP
Secure Shell: Remotely administers network devices and systems. Also used by Secure Copy...