Port 1183
llsurfup-http · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | llsurfup-http |
Frequently asked questions
What is port 1183 used for?
Port 1183 is registered with the IANA for llsurfup-http (TCP/UDP). Description: LL Surfup HTTP.
Is port 1183 a well-known port?
No. Port 1183 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 1183 is open?
Locally on Linux with ss -tulpn | grep ':1183\b', on Windows with netstat -ano | findstr :1183. To test a remote host use Test-NetConnection <host> -Port 1183 in PowerShell or nc -zv <host> 1183 on Linux/macOS.
How do I open port 1183 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 1183/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=1183/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 1183" -Direction Inbound -Protocol TCP -LocalPort 1183 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | llsurfup-http | LL Surfup HTTP |
| UDP | llsurfup-http | LL Surfup HTTP |