Port 3979
smwan · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | smwan |
| Registered | 2006-06 |
Frequently asked questions
What is port 3979 used for?
Port 3979 is registered with the IANA for smwan (TCP/UDP). Description: Smith Micro Wide Area Network Service.
Is port 3979 a well-known port?
No. Port 3979 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 3979 is open?
Locally on Linux with ss -tulpn | grep ':3979\b', on Windows with netstat -ano | findstr :3979. To test a remote host use Test-NetConnection <host> -Port 3979 in PowerShell or nc -zv <host> 3979 on Linux/macOS.
How do I open port 3979 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 3979/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=3979/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 3979" -Direction Inbound -Protocol TCP -LocalPort 3979 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | smwan | Smith Micro Wide Area Network Service |
| UDP | smwan | Smith Micro Wide Area Network Service |