Port 8402
abarsd · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | abarsd |
Frequently asked questions
What is port 8402 used for?
Port 8402 is registered with the IANA for abarsd (TCP/UDP). Description: abarsd.
Is port 8402 a well-known port?
No. Port 8402 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 8402 is open?
Locally on Linux with ss -tulpn | grep ':8402\b', on Windows with netstat -ano | findstr :8402. To test a remote host use Test-NetConnection <host> -Port 8402 in PowerShell or nc -zv <host> 8402 on Linux/macOS.
How do I open port 8402 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 8402/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=8402/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 8402" -Direction Inbound -Protocol TCP -LocalPort 8402 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | abarsd | abarsd |
| UDP | abarsd | abarsd |