Port 691
TCP System Medium Usage
MS Exchange routing port for mail system routing services
Software Using This Port (1 software)
MS Exchange Routing
Microsoft Exchange Routing Group port
Usage Suggestions
- Before using port 691, 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
- 691
- Protocol
- TCP
- Categories
- System
- Usage Status
- 1 software in use
Related Ports
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