Port 5504
fcp-cics-gw1 · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | fcp-cics-gw1 |
Frequently asked questions
What is port 5504 used for?
Port 5504 is registered with the IANA for fcp-cics-gw1 (TCP/UDP). Description: fcp-cics-gw1.
Is port 5504 a well-known port?
No. Port 5504 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 5504 is open?
Locally on Linux with ss -tulpn | grep ':5504\b', on Windows with netstat -ano | findstr :5504. To test a remote host use Test-NetConnection <host> -Port 5504 in PowerShell or nc -zv <host> 5504 on Linux/macOS.
How do I open port 5504 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 5504/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=5504/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 5504" -Direction Inbound -Protocol TCP -LocalPort 5504 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | fcp-cics-gw1 | fcp-cics-gw1 |
| UDP | fcp-cics-gw1 | fcp-cics-gw1 |