Port 4142
oidocsvc · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | oidocsvc |
Frequently asked questions
What is port 4142 used for?
Port 4142 is registered with the IANA for oidocsvc (TCP/UDP). Description: Document Server.
Is port 4142 a well-known port?
No. Port 4142 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 4142 is open?
Locally on Linux with ss -tulpn | grep ':4142\b', on Windows with netstat -ano | findstr :4142. To test a remote host use Test-NetConnection <host> -Port 4142 in PowerShell or nc -zv <host> 4142 on Linux/macOS.
How do I open port 4142 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 4142/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=4142/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 4142" -Direction Inbound -Protocol TCP -LocalPort 4142 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | oidocsvc | Document Server |
| UDP | oidocsvc | Document Server |