Port 7784
s-bfd · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | s-bfd |
| Reference | RFC 7881 |
| Registered | 2014-12-24 |
| Modified | 2016-07-14 |
Frequently asked questions
What is port 7784 used for?
Port 7784 is registered with the IANA for s-bfd (TCP/UDP). Description: Seamless Bidirectional Forwarding Detection (S-BFD); Reserved.
Is port 7784 a well-known port?
No. Port 7784 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 7784 is open?
Locally on Linux with ss -tulpn | grep ':7784\b', on Windows with netstat -ano | findstr :7784. To test a remote host use Test-NetConnection <host> -Port 7784 in PowerShell or nc -zv <host> 7784 on Linux/macOS.
How do I open port 7784 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 7784/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=7784/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 7784" -Direction Inbound -Protocol TCP -LocalPort 7784 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| UDP | s-bfd | Seamless Bidirectional Forwarding Detection (S-BFD) |
| TCP | – | Reserved |