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// Other services

Port 1879: NettGain NMS

Port 1879 is assigned by IANA to nettgain-nms (NettGain NMS).

1879

How nettgain-nms works

Other services
client:1879nettgain-nmsresponse client:1879nettgain-nmsresponse

The 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
01 Security

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:

  • 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.
02 Registry

IANA registry entries for port 1879

ServicePortTransportDescriptionReferenceUpdated
nettgain-nms 1879 TCP, UDP NettGain NMS - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 1879, and is it reachable?

Linux

sudo ss -ltnup 'sport = :1879'      # process listening on 1879
sudo lsof -nP -i :1879

macOS

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
04 FAQ
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.

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