Port 18187
opsec-ela · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | opsec-ela |
Frequently asked questions
What is port 18187 used for?
Port 18187 is registered with the IANA for opsec-ela (TCP/UDP). Description: OPSEC ELA.
Is port 18187 a well-known port?
No. Port 18187 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 18187 is open?
Locally on Linux with ss -tulpn | grep ':18187\b', on Windows with netstat -ano | findstr :18187. To test a remote host use Test-NetConnection <host> -Port 18187 in PowerShell or nc -zv <host> 18187 on Linux/macOS.
How do I open port 18187 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 18187/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=18187/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 18187" -Direction Inbound -Protocol TCP -LocalPort 18187 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | opsec-ela | OPSEC ELA |
| UDP | opsec-ela | OPSEC ELA |