Port 6696
babel · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | babel |
| Reference | RFC 8966 |
| Modified | 2011-08-15 |
Frequently asked questions
What is port 6696 used for?
Port 6696 is registered with the IANA for babel (TCP/UDP). Description: Reserved; Babel Routing Protocol.
Is port 6696 a well-known port?
No. Port 6696 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 6696 is open?
Locally on Linux with ss -tulpn | grep ':6696\b', on Windows with netstat -ano | findstr :6696. To test a remote host use Test-NetConnection <host> -Port 6696 in PowerShell or nc -zv <host> 6696 on Linux/macOS.
How do I open port 6696 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 6696/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=6696/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 6696" -Direction Inbound -Protocol TCP -LocalPort 6696 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | – | Reserved |
| UDP | babel | Babel Routing Protocol |