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// Other services

Port 1715: houdini-lm

Port 1715 is assigned by IANA to houdini-lm (houdini-lm).

1715

How houdini-lm works

Other services
client:1715houdini-lmresponse client:1715houdini-lmresponse

The client sends a request to port 1715 and the houdini-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 1715 dangerous?

We have no specific security note for port 1715. 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 1715

ServicePortTransportDescriptionReferenceUpdated
houdini-lm 1715 TCP, UDP houdini-lm - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 1715, and is it reachable?

Linux

sudo ss -ltnup 'sport = :1715'      # process listening on 1715
sudo lsof -nP -i :1715

macOS

sudo lsof -nP -i :1715

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 1715 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 1715
netstat -ano | findstr :1715

From another machine

nmap -p 1715 -sV <host>
sudo nmap -sU -p 1715 <host>
nc -zv <host> 1715

Block it in the firewall

sudo ufw deny 1715/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 1715" -Direction Inbound -LocalPort 1715 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 1715 used for?

Port 1715 is assigned by IANA to houdini-lm (houdini-lm).

Is port 1715 TCP or UDP?

Port 1715 is registered for TCP and UDP.

Is it safe to open port 1715?

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 1715 is open?

On Linux run "ss -ltnup 'sport = :1715'", on macOS "lsof -nP -i :1715", and on Windows "netstat -ano | findstr :1715" to see the local process. From another machine, "nmap -p 1715 <host>" shows whether it is reachable.

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