CyberHunter
Local dataset, no network
// Other services

Port 1734: Camber Corporation License Management

Port 1734 is assigned by IANA to cambertx-lm (Camber Corporation License Management).

1734

How cambertx-lm works

Other services
client:1734cambertx-lmresponse client:1734cambertx-lmresponse

The client sends a request to port 1734 and the cambertx-lm 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 1734 dangerous?

We have no specific security note for port 1734. 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 1734

ServicePortTransportDescriptionReferenceUpdated
cambertx-lm 1734 TCP, UDP Camber Corporation License Management - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 1734, and is it reachable?

Linux

sudo ss -ltnup 'sport = :1734'      # process listening on 1734
sudo lsof -nP -i :1734

macOS

sudo lsof -nP -i :1734

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 1734 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 1734
netstat -ano | findstr :1734

From another machine

nmap -p 1734 -sV <host>
sudo nmap -sU -p 1734 <host>
nc -zv <host> 1734

Block it in the firewall

sudo ufw deny 1734/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 1734" -Direction Inbound -LocalPort 1734 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 1734 used for?

Port 1734 is assigned by IANA to cambertx-lm (Camber Corporation License Management).

Is port 1734 TCP or UDP?

Port 1734 is registered for TCP and UDP.

Is it safe to open port 1734?

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 1734 is open?

On Linux run "ss -ltnup 'sport = :1734'", on macOS "lsof -nP -i :1734", and on Windows "netstat -ano | findstr :1734" to see the local process. From another machine, "nmap -p 1734 <host>" shows whether it is reachable.

05 Related
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