Port numbers
FTP site: ftp://isi.edu./in-notes/iana/assignments.
- Up-to-date assignments of numbers
Assigned numbers range from 0 - 1023.
- Assigned are reserved by IANA and cannot be used
- Used for TCP, IP, UDP and various applications such as TELNET
Registered range for 1024 - 65535 and these are companies that have registered their application.
Dynamic port numbers also range in the 1024 - 65535 range.