AppleTalk Unused (tcp/udp).
Quick facts
Description
AppleTalk Unused (tcp/udp).
Well-known ports are assigned by IANA to system-level services; binding them usually requires administrative privileges.
What uses port 207?
Port 207 primarily carries the at-7 service. Some common well-known ports include:
Port ranges
| Range | Explanation |
|---|---|
| Well-known (0–1023) | Reserved for system services; binding usually requires admin privileges. |
| Registered (1024–49151) | Available to user applications; IANA registers common services here. |
| Dynamic / private (49152–65535) | Used for ephemeral client connections. |
Frequently asked questions
A port number is a transport-layer address used independently by TCP and UDP; at-7 typically runs over its documented transport protocol.
Yes — most services let you configure the listening port, but make sure clients and firewalls are updated and you avoid conflicts.
Sources & standards
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