- 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 3578: Data Port
Port 3578 is assigned by IANA to data-port (Data Port).
How data-port works
Other servicesThe client sends a request to port 3578 and the data-port 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 3578 dangerous?
We have no specific security note for port 3578. Its risk depends on the program actually listening on it. General advice for other services services:
IANA registry entries for port 3578
| Service | Port | Transport | Description | Reference | Updated |
|---|---|---|---|---|---|
| data-port | 3578 | TCP, UDP | Data Port | - | 2002-08 |
// source: IANA service name and port number registry
Which program uses port 3578, and is it reachable?
Linux
sudo ss -ltnup 'sport = :3578' # process listening on 3578
sudo lsof -nP -i :3578macOS
sudo lsof -nP -i :3578
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 3578 -State Listen | Select LocalAddress, OwningProcess Get-NetUDPEndpoint -LocalPort 3578 netstat -ano | findstr :3578
From another machine
nmap -p 3578 -sV <host> sudo nmap -sU -p 3578 <host> nc -zv <host> 3578
Block it in the firewall
sudo ufw deny 3578/tcp # Linux (ufw) New-NetFirewallRule -DisplayName "Block 3578" -Direction Inbound -LocalPort 3578 -Protocol TCP -Action Block # Windows
What is port 3578 used for?
Port 3578 is assigned by IANA to data-port (Data Port).
Is port 3578 TCP or UDP?
Port 3578 is registered for TCP and UDP.
Is it safe to open port 3578?
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 3578 is open?
On Linux run "ss -ltnup 'sport = :3578'", on macOS "lsof -nP -i :3578", and on Windows "netstat -ano | findstr :3578" to see the local process. From another machine, "nmap -p 3578 <host>" shows whether it is reachable.