Port 8401
sabarsd · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | sabarsd |
Frequently asked questions
What is port 8401 used for?
Port 8401 is registered with the IANA for sabarsd (TCP/UDP). Description: sabarsd.
Is port 8401 a well-known port?
No. Port 8401 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 8401 is open?
Locally on Linux with ss -tulpn | grep ':8401\b', on Windows with netstat -ano | findstr :8401. To test a remote host use Test-NetConnection <host> -Port 8401 in PowerShell or nc -zv <host> 8401 on Linux/macOS.
How do I open port 8401 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 8401/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=8401/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 8401" -Direction Inbound -Protocol TCP -LocalPort 8401 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | sabarsd | sabarsd |
| UDP | sabarsd | sabarsd |