Port 18 — Message Send Protocol

TCPSystem

Message SendingProtocol

Registry assignments, software defaults and local listeners are different things. A port number alone does not identify or secure a service.

Software Using This Port (2 software)

Community software entries: links are references, not individual verification.

Message Send Protocol

MessageProtocolService

Legacy Messaging

MessageService

Usage Suggestions

  • Before using port 18, please confirm it is not occupied by other services
  • If you encounter port conflicts, consider using other ports or stopping the occupying service

Quick Info

Port
18
Protocol
TCP
Categories
System
Usage Status
2 software in use

Related Ports

Port 0TCP
→
Port 1TCP
→
Port 5TCP
→

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