- 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 576: ipcd
Port 576 is assigned by IANA to ipcd (ipcd).
How ipcd works
Other servicesThe client sends a request to port 576 and the ipcd 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
- Well-known (0-1023)
- Category
- Other services
Is port 576 dangerous?
We have no specific security note for port 576. Its risk depends on the program actually listening on it. General advice for other services services:
IANA registry entries for port 576
| Service | Port | Transport | Description | Reference | Updated |
|---|---|---|---|---|---|
| ipcd | 576 | TCP, UDP | ipcd | - | - |
// source: IANA service name and port number registry
Which program uses port 576, and is it reachable?
Linux
sudo ss -ltnup 'sport = :576' # process listening on 576
sudo lsof -nP -i :576macOS
sudo lsof -nP -i :576
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 576 -State Listen | Select LocalAddress, OwningProcess Get-NetUDPEndpoint -LocalPort 576 netstat -ano | findstr :576
From another machine
nmap -p 576 -sV <host> sudo nmap -sU -p 576 <host> nc -zv <host> 576
Block it in the firewall
sudo ufw deny 576/tcp # Linux (ufw) New-NetFirewallRule -DisplayName "Block 576" -Direction Inbound -LocalPort 576 -Protocol TCP -Action Block # Windows
What is port 576 used for?
Port 576 is assigned by IANA to ipcd (ipcd).
Is port 576 TCP or UDP?
Port 576 is registered for TCP and UDP.
Is it safe to open port 576?
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 576 is open?
On Linux run "ss -ltnup 'sport = :576'", on macOS "lsof -nP -i :576", and on Windows "netstat -ano | findstr :576" to see the local process. From another machine, "nmap -p 576 <host>" shows whether it is reachable.