Port 6403
boe-cachesvr · –
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | – |
| Service | boe-cachesvr |
| Registered | 2008-05-05 |
| Modified | 2026-05-27 |
Frequently asked questions
What is port 6403 used for?
Port 6403 is registered with the IANA for boe-cachesvr (–). Description: boe-cachesvr.
Is port 6403 a well-known port?
No. Port 6403 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 6403 is open?
Locally on Linux with ss -tulpn | grep ':6403\b', on Windows with netstat -ano | findstr :6403. To test a remote host use Test-NetConnection <host> -Port 6403 in PowerShell or nc -zv <host> 6403 on Linux/macOS.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
boe-cachesvr | boe-cachesvr |