- 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 1594: sixtrak
Port 1594 is assigned by IANA to sixtrak (sixtrak).
How sixtrak works
Other servicesThe client sends a request to port 1594 and the sixtrak 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 1594 dangerous?
We have no specific security note for port 1594. Its risk depends on the program actually listening on it. General advice for other services services:
IANA registry entries for port 1594
| Service | Port | Transport | Description | Reference | Updated |
|---|---|---|---|---|---|
| sixtrak | 1594 | TCP, UDP | sixtrak | - | 2014-09-22 |
// source: IANA service name and port number registry
Which program uses port 1594, and is it reachable?
Linux
sudo ss -ltnup 'sport = :1594' # process listening on 1594
sudo lsof -nP -i :1594macOS
sudo lsof -nP -i :1594
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 1594 -State Listen | Select LocalAddress, OwningProcess Get-NetUDPEndpoint -LocalPort 1594 netstat -ano | findstr :1594
From another machine
nmap -p 1594 -sV <host> sudo nmap -sU -p 1594 <host> nc -zv <host> 1594
Block it in the firewall
sudo ufw deny 1594/tcp # Linux (ufw) New-NetFirewallRule -DisplayName "Block 1594" -Direction Inbound -LocalPort 1594 -Protocol TCP -Action Block # Windows
What is port 1594 used for?
Port 1594 is assigned by IANA to sixtrak (sixtrak).
Is port 1594 TCP or UDP?
Port 1594 is registered for TCP and UDP.
Is it safe to open port 1594?
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 1594 is open?
On Linux run "ss -ltnup 'sport = :1594'", on macOS "lsof -nP -i :1594", and on Windows "netstat -ano | findstr :1594" to see the local process. From another machine, "nmap -p 1594 <host>" shows whether it is reachable.