Port 43

TCP System Medium Usage

WHOIS protocol port for domain name and IP address information queries

Software Using This Port (2 software)

whois

WHOISService

Domain Information

Domain

Usage Suggestions

  • Before using port 43, 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
43
Protocol
TCP
Categories
System
Usage Status
2 software in use

Related Ports

Port 0 TCP
→
Port 1 TCP
→
Port 5 TCP
→

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