Port 1457
valisys-lm · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | valisys-lm |
Frequently asked questions
What is port 1457 used for?
Port 1457 is registered with the IANA for valisys-lm (TCP/UDP). Description: Valisys License Manager.
Is port 1457 a well-known port?
No. Port 1457 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 1457 is open?
Locally on Linux with ss -tulpn | grep ':1457\b', on Windows with netstat -ano | findstr :1457. To test a remote host use Test-NetConnection <host> -Port 1457 in PowerShell or nc -zv <host> 1457 on Linux/macOS.
How do I open port 1457 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 1457/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=1457/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 1457" -Direction Inbound -Protocol TCP -LocalPort 1457 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | valisys-lm | Valisys License Manager |
| UDP | valisys-lm | Valisys License Manager |