Port 2420
dslremote-mgmt · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | dslremote-mgmt |
Frequently asked questions
What is port 2420 used for?
Port 2420 is registered with the IANA for dslremote-mgmt (TCP/UDP). Description: DSL Remote Management.
Is port 2420 a well-known port?
No. Port 2420 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 2420 is open?
Locally on Linux with ss -tulpn | grep ':2420\b', on Windows with netstat -ano | findstr :2420. To test a remote host use Test-NetConnection <host> -Port 2420 in PowerShell or nc -zv <host> 2420 on Linux/macOS.
How do I open port 2420 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 2420/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=2420/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 2420" -Direction Inbound -Protocol TCP -LocalPort 2420 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | dslremote-mgmt | DSL Remote Management |
| UDP | dslremote-mgmt | DSL Remote Management |