Port 18136
racf · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | racf |
| Registered | 2010-10-04 |
Frequently asked questions
What is port 18136 used for?
Port 18136 is registered with the IANA for racf (TCP/UDP). Description: z/OS Resource Access Control Facility; Reserved.
Is port 18136 a well-known port?
No. Port 18136 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 18136 is open?
Locally on Linux with ss -tulpn | grep ':18136\b', on Windows with netstat -ano | findstr :18136. To test a remote host use Test-NetConnection <host> -Port 18136 in PowerShell or nc -zv <host> 18136 on Linux/macOS.
How do I open port 18136 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 18136/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=18136/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 18136" -Direction Inbound -Protocol TCP -LocalPort 18136 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | racf | z/OS Resource Access Control Facility |
| UDP | – | Reserved |