- 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 25576: Sauter Dongle
Port 25576 is assigned by IANA to sauterdongle (Sauter Dongle).
How sauterdongle works
Other servicesThe client sends a request to port 25576 and the sauterdongle service answers.
- Transport
- TCP
- 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 25576 dangerous?
We have no specific security note for port 25576. Its risk depends on the program actually listening on it. General advice for other services services:
IANA registry entries for port 25576
| Service | Port | Transport | Description | Reference | Updated |
|---|---|---|---|---|---|
| sauterdongle | 25576 | TCP | Sauter Dongle | - | 2010-12-15 |
| - | 25576 | - | Reserved | - | - |
// source: IANA service name and port number registry
Which program uses port 25576, and is it reachable?
Linux
sudo ss -ltnup 'sport = :25576' # process listening on 25576
sudo lsof -nP -i :25576macOS
sudo lsof -nP -i :25576
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 25576 -State Listen | Select LocalAddress, OwningProcess Get-NetUDPEndpoint -LocalPort 25576 netstat -ano | findstr :25576
From another machine
nmap -p 25576 -sV <host> nc -zv <host> 25576
Block it in the firewall
sudo ufw deny 25576/tcp # Linux (ufw) New-NetFirewallRule -DisplayName "Block 25576" -Direction Inbound -LocalPort 25576 -Protocol TCP -Action Block # Windows
What is port 25576 used for?
Port 25576 is assigned by IANA to sauterdongle (Sauter Dongle).
Is port 25576 TCP or UDP?
Port 25576 is registered for TCP.
Is it safe to open port 25576?
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 25576 is open?
On Linux run "ss -ltnup 'sport = :25576'", on macOS "lsof -nP -i :25576", and on Windows "netstat -ano | findstr :25576" to see the local process. From another machine, "nmap -p 25576 <host>" shows whether it is reachable.