Port 378
dsETOS · TCP/UDP
| Range | System/well-known port (0–1023) |
|---|---|
| Protocol | TCP/UDP |
| Service | dsETOS |
Frequently asked questions
What is port 378 used for?
Port 378 is registered with the IANA for dsETOS (TCP/UDP). Description: NEC Corporation.
Is port 378 a well-known port?
Yes. Port 378 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 378 is open?
Locally on Linux with ss -tulpn | grep ':378\b', on Windows with netstat -ano | findstr :378. To test a remote host use Test-NetConnection <host> -Port 378 in PowerShell or nc -zv <host> 378 on Linux/macOS.
How do I open port 378 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 378/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=378/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 378" -Direction Inbound -Protocol TCP -LocalPort 378 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | dsETOS | NEC Corporation |
| UDP | dsETOS | NEC Corporation |