Port 411
rmt · TCP/UDP
| Range | System/well-known port (0–1023) |
|---|---|
| Protocol | TCP/UDP |
| Service | rmt |
Frequently asked questions
What is port 411 used for?
Port 411 is registered with the IANA for rmt (TCP/UDP). Description: Remote MT Protocol.
Is port 411 a well-known port?
Yes. Port 411 is in the range 0–1023 (system or well-known ports). On Linux and macOS only privileged processes may bind to these ports.
How do I check whether port 411 is open?
Locally on Linux with ss -tulpn | grep ':411\b', on Windows with netstat -ano | findstr :411. To test a remote host use Test-NetConnection <host> -Port 411 in PowerShell or nc -zv <host> 411 on Linux/macOS.
How do I open port 411 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 411/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=411/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 411" -Direction Inbound -Protocol TCP -LocalPort 411 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | rmt | Remote MT Protocol |
| UDP | rmt | Remote MT Protocol |