Port 280
http-mgmt · TCP/UDP
| Range | System/well-known port (0–1023) |
|---|---|
| Protocol | TCP/UDP |
| Service | http-mgmt |
Frequently asked questions
What is port 280 used for?
Port 280 is registered with the IANA for http-mgmt (TCP/UDP). Description: http-mgmt.
Is port 280 a well-known port?
Yes. Port 280 is in the range 0–1023 (system or well-known ports). On Linux and macOS only privileged processes may bind to these ports.
How do I check whether port 280 is open?
Locally on Linux with ss -tulpn | grep ':280\b', on Windows with netstat -ano | findstr :280. To test a remote host use Test-NetConnection <host> -Port 280 in PowerShell or nc -zv <host> 280 on Linux/macOS.
How do I open port 280 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 280/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=280/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 280" -Direction Inbound -Protocol TCP -LocalPort 280 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | http-mgmt | http-mgmt |
| UDP | http-mgmt | http-mgmt |