- Close the port if nothing on the host needs it.
- Identify the process that listens on it (commands below) before opening it in a firewall.
- Expose a service only to the networks that use it.
Port 1879: NettGain NMS
Port 1879 is assigned by IANA to nettgain-nms (NettGain NMS).
How nettgain-nms works
Other servicesThe client sends a request to port 1879 and the nettgain-nms service answers.
- Transport
- TCP · UDP
- Exposure risk
- not rated depends on the program listening
- Encryption
- Unknownnot stated by the registry
- IANA status
- Assigned1 registered service
- Range
- Registered (1024-49151)
- Category
- Other services
Is port 1879 dangerous?
We have no specific security note for port 1879. Its risk depends on the program actually listening on it. General advice for other services services:
IANA registry entries for port 1879
| Service | Port | Transport | Description | Reference | Updated |
|---|---|---|---|---|---|
| nettgain-nms | 1879 | TCP, UDP | NettGain NMS | - | - |
// source: IANA service name and port number registry
Which program uses port 1879, and is it reachable?
Linux
sudo ss -ltnup 'sport = :1879' # process listening on 1879
sudo lsof -nP -i :1879macOS
sudo lsof -nP -i :1879
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 1879 -State Listen | Select LocalAddress, OwningProcess Get-NetUDPEndpoint -LocalPort 1879 netstat -ano | findstr :1879
From another machine
nmap -p 1879 -sV <host> sudo nmap -sU -p 1879 <host> nc -zv <host> 1879
Block it in the firewall
sudo ufw deny 1879/tcp # Linux (ufw) New-NetFirewallRule -DisplayName "Block 1879" -Direction Inbound -LocalPort 1879 -Protocol TCP -Action Block # Windows
What is port 1879 used for?
Port 1879 is assigned by IANA to nettgain-nms (NettGain NMS).
Is port 1879 TCP or UDP?
Port 1879 is registered for TCP and UDP.
Is it safe to open port 1879?
It depends on the program that listens on it. Open it only for a service you know and only to the networks that need it. Close the port if nothing on the host needs it.
How do I check if port 1879 is open?
On Linux run "ss -ltnup 'sport = :1879'", on macOS "lsof -nP -i :1879", and on Windows "netstat -ano | findstr :1879" to see the local process. From another machine, "nmap -p 1879 <host>" shows whether it is reachable.