Port 4888
xcap-portal · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | xcap-portal |
| Registered | 2018-06-06 |
Frequently asked questions
What is port 4888 used for?
Port 4888 is registered with the IANA for xcap-portal (TCP/UDP). Description: xcap code analysis portal public user access; Reserved.
Is port 4888 a well-known port?
No. Port 4888 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 4888 is open?
Locally on Linux with ss -tulpn | grep ':4888\b', on Windows with netstat -ano | findstr :4888. To test a remote host use Test-NetConnection <host> -Port 4888 in PowerShell or nc -zv <host> 4888 on Linux/macOS.
How do I open port 4888 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 4888/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=4888/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 4888" -Direction Inbound -Protocol TCP -LocalPort 4888 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | xcap-portal | xcap code analysis portal public user access |
| UDP | – | Reserved |