CyberHunter
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// Other services

Port 31765: GameSmith Port

Port 31765 is assigned by IANA to gamesmith-port (GameSmith Port).

31765

How gamesmith-port works

Other services
client:31765gamesmith-portresponse client:31765gamesmith-portresponse

The client sends a request to port 31765 and the gamesmith-port 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 31765 dangerous?

We have no specific security note for port 31765. 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 31765

ServicePortTransportDescriptionReferenceUpdated
gamesmith-port 31765 TCP, UDP GameSmith Port - 2002-08

// source: IANA service name and port number registry

03 Check it

Which program uses port 31765, and is it reachable?

Linux

sudo ss -ltnup 'sport = :31765'      # process listening on 31765
sudo lsof -nP -i :31765

macOS

sudo lsof -nP -i :31765

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 31765 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 31765
netstat -ano | findstr :31765

From another machine

nmap -p 31765 -sV <host>
sudo nmap -sU -p 31765 <host>
nc -zv <host> 31765

Block it in the firewall

sudo ufw deny 31765/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 31765" -Direction Inbound -LocalPort 31765 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 31765 used for?

Port 31765 is assigned by IANA to gamesmith-port (GameSmith Port).

Is port 31765 TCP or UDP?

Port 31765 is registered for TCP and UDP.

Is it safe to open port 31765?

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 31765 is open?

On Linux run "ss -ltnup 'sport = :31765'", on macOS "lsof -nP -i :31765", and on Windows "netstat -ano | findstr :31765" to see the local process. From another machine, "nmap -p 31765 <host>" shows whether it is reachable.

05 Related
:4444 Metasploit default / krb524 tcp · udp · high risk :31337 Back Orifice / elite tcp · udp · high risk :1 TCP Port Service Multiplexer tcp · udp :5 Remote Job Entry tcp · udp :9 Discard tcp · udp · sctp · dccp :11 Active Users tcp · udp :17 Quote of the Day tcp · udp :18 Message Send Protocol (historic) tcp · udp

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