- Close the port if nothing on the host needs it.
- Identify the process that listens on it (commands below) before opening it in a firewall.
- Expose a service only to the networks that use it.
Port 1425: Zion Software License Manager
Port 1425 is assigned by IANA to zion-lm (Zion Software License Manager).
How zion-lm works
Other servicesThe client sends a request to port 1425 and the zion-lm service answers.
- Transport
- TCP · UDP
- Exposure risk
- not rated depends on the program listening
- Encryption
- Unknownnot stated by the registry
- IANA status
- Assigned1 registered service
- Range
- Registered (1024-49151)
- Category
- Other services
Is port 1425 dangerous?
We have no specific security note for port 1425. Its risk depends on the program actually listening on it. General advice for other services services:
IANA registry entries for port 1425
| Service | Port | Transport | Description | Reference | Updated |
|---|---|---|---|---|---|
| zion-lm | 1425 | TCP, UDP | Zion Software License Manager | - | - |
// source: IANA service name and port number registry
Which program uses port 1425, and is it reachable?
Linux
sudo ss -ltnup 'sport = :1425' # process listening on 1425
sudo lsof -nP -i :1425macOS
sudo lsof -nP -i :1425
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 1425 -State Listen | Select LocalAddress, OwningProcess Get-NetUDPEndpoint -LocalPort 1425 netstat -ano | findstr :1425
From another machine
nmap -p 1425 -sV <host> sudo nmap -sU -p 1425 <host> nc -zv <host> 1425
Block it in the firewall
sudo ufw deny 1425/tcp # Linux (ufw) New-NetFirewallRule -DisplayName "Block 1425" -Direction Inbound -LocalPort 1425 -Protocol TCP -Action Block # Windows
What is port 1425 used for?
Port 1425 is assigned by IANA to zion-lm (Zion Software License Manager).
Is port 1425 TCP or UDP?
Port 1425 is registered for TCP and UDP.
Is it safe to open port 1425?
It depends on the program that listens on it. Open it only for a service you know and only to the networks that need it. Close the port if nothing on the host needs it.
How do I check if port 1425 is open?
On Linux run "ss -ltnup 'sport = :1425'", on macOS "lsof -nP -i :1425", and on Windows "netstat -ano | findstr :1425" to see the local process. From another machine, "nmap -p 1425 <host>" shows whether it is reachable.