CyberHunter
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// Other services

Port 35002: ReadyTech Sound Server

Port 35002 is assigned by IANA to rt-sound (ReadyTech Sound Server).

35002

How rt-sound works

Other services
client:35002rt-soundresponse client:35002rt-soundresponse

The client sends a request to port 35002 and the rt-sound service answers.

Transport
TCP
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 35002 dangerous?

We have no specific security note for port 35002. 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 35002

ServicePortTransportDescriptionReferenceUpdated
rt-sound 35002 TCP ReadyTech Sound Server - 2013-09-13
-35002-Reserved--

// source: IANA service name and port number registry

03 Check it

Which program uses port 35002, and is it reachable?

Linux

sudo ss -ltnup 'sport = :35002'      # process listening on 35002
sudo lsof -nP -i :35002

macOS

sudo lsof -nP -i :35002

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 35002 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 35002
netstat -ano | findstr :35002

From another machine

nmap -p 35002 -sV <host>
nc -zv <host> 35002

Block it in the firewall

sudo ufw deny 35002/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 35002" -Direction Inbound -LocalPort 35002 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 35002 used for?

Port 35002 is assigned by IANA to rt-sound (ReadyTech Sound Server).

Is port 35002 TCP or UDP?

Port 35002 is registered for TCP.

Is it safe to open port 35002?

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 35002 is open?

On Linux run "ss -ltnup 'sport = :35002'", on macOS "lsof -nP -i :35002", and on Windows "netstat -ano | findstr :35002" to see the local process. From another machine, "nmap -p 35002 <host>" shows whether it is reachable.

05 Related
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