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// Other services

Port 1875: westell stats

Port 1875 is assigned by IANA to westell-stats (westell stats).

1875

How westell-stats works

Other services
client:1875westell-statsresponse client:1875westell-statsresponse

The client sends a request to port 1875 and the westell-stats 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 1875 dangerous?

We have no specific security note for port 1875. 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 1875

ServicePortTransportDescriptionReferenceUpdated
westell-stats 1875 TCP, UDP westell stats - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 1875, and is it reachable?

Linux

sudo ss -ltnup 'sport = :1875'      # process listening on 1875
sudo lsof -nP -i :1875

macOS

sudo lsof -nP -i :1875

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 1875 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 1875
netstat -ano | findstr :1875

From another machine

nmap -p 1875 -sV <host>
sudo nmap -sU -p 1875 <host>
nc -zv <host> 1875

Block it in the firewall

sudo ufw deny 1875/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 1875" -Direction Inbound -LocalPort 1875 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 1875 used for?

Port 1875 is assigned by IANA to westell-stats (westell stats).

Is port 1875 TCP or UDP?

Port 1875 is registered for TCP and UDP.

Is it safe to open port 1875?

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 1875 is open?

On Linux run "ss -ltnup 'sport = :1875'", on macOS "lsof -nP -i :1875", and on Windows "netstat -ano | findstr :1875" to see the local process. From another machine, "nmap -p 1875 <host>" shows whether it is reachable.

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