Port 4987
smar-se-port1 · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | smar-se-port1 |
Frequently asked questions
What is port 4987 used for?
Port 4987 is registered with the IANA for smar-se-port1 (TCP/UDP). Description: SMAR Ethernet Port 1.
Is port 4987 a well-known port?
No. Port 4987 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 4987 is open?
Locally on Linux with ss -tulpn | grep ':4987\b', on Windows with netstat -ano | findstr :4987. To test a remote host use Test-NetConnection <host> -Port 4987 in PowerShell or nc -zv <host> 4987 on Linux/macOS.
How do I open port 4987 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 4987/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=4987/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 4987" -Direction Inbound -Protocol TCP -LocalPort 4987 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | smar-se-port1 | SMAR Ethernet Port 1 |
| UDP | smar-se-port1 | SMAR Ethernet Port 1 |