TCP and UDP ports
September 27, 2009
|
Port Category |
Port Number Range |
Description |
| Well-known ports | 0 – 1023 | Typically used by standard system processes or programs executed by users with administrator credentials. Assigned by IANA. |
| Registered ports | 1024 – 49151 | Used by ordinary user processes or programs executed by ordinary users. IANA does not assign these ports, but registers use of them as a convenience for the TCP/IP community. |
| Dynamic or private ports | 49152 – 65535 | Unassigned and unregistered ports for private applications, client-side processes, or other processes that dynamically allocate port numbers |