Port 41121
tentacle · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | tentacle |
| Registered | 2009-06-02 |
Frequently asked questions
What is port 41121 used for?
Port 41121 is registered with the IANA for tentacle (TCP/UDP). Description: Tentacle Server; Reserved.
Is port 41121 a well-known port?
No. Port 41121 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 41121 is open?
Locally on Linux with ss -tulpn | grep ':41121\b', on Windows with netstat -ano | findstr :41121. To test a remote host use Test-NetConnection <host> -Port 41121 in PowerShell or nc -zv <host> 41121 on Linux/macOS.
How do I open port 41121 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 41121/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=41121/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 41121" -Direction Inbound -Protocol TCP -LocalPort 41121 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | tentacle | Tentacle Server |
| UDP | – | Reserved |