Port 6678
vfbp and vfbp-disc · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | vfbp and vfbp-disc |
| Registered | 2011-03-16 |
Frequently asked questions
What is port 6678 used for?
Port 6678 is registered with the IANA for vfbp and vfbp-disc (TCP/UDP). Description: Viscount Freedom Bridge Protocol; Viscount Freedom Bridge Discovery.
Is port 6678 a well-known port?
No. Port 6678 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 6678 is open?
Locally on Linux with ss -tulpn | grep ':6678\b', on Windows with netstat -ano | findstr :6678. To test a remote host use Test-NetConnection <host> -Port 6678 in PowerShell or nc -zv <host> 6678 on Linux/macOS.
How do I open port 6678 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 6678/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=6678/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 6678" -Direction Inbound -Protocol TCP -LocalPort 6678 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | vfbp | Viscount Freedom Bridge Protocol |
| UDP | vfbp-disc | Viscount Freedom Bridge Discovery |