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// Other services

Port 24242: fileSphere

Port 24242 is assigned by IANA to filesphere (fileSphere).

24242

How filesphere works

Other services
client:24242filesphereresponse client:24242filesphereresponse

The client sends a request to port 24242 and the filesphere 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 24242 dangerous?

We have no specific security note for port 24242. 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 24242

ServicePortTransportDescriptionReferenceUpdated
filesphere 24242 TCP, UDP fileSphere - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 24242, and is it reachable?

Linux

sudo ss -ltnup 'sport = :24242'      # process listening on 24242
sudo lsof -nP -i :24242

macOS

sudo lsof -nP -i :24242

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 24242 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 24242
netstat -ano | findstr :24242

From another machine

nmap -p 24242 -sV <host>
sudo nmap -sU -p 24242 <host>
nc -zv <host> 24242

Block it in the firewall

sudo ufw deny 24242/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 24242" -Direction Inbound -LocalPort 24242 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 24242 used for?

Port 24242 is assigned by IANA to filesphere (fileSphere).

Is port 24242 TCP or UDP?

Port 24242 is registered for TCP and UDP.

Is it safe to open port 24242?

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 24242 is open?

On Linux run "ss -ltnup 'sport = :24242'", on macOS "lsof -nP -i :24242", and on Windows "netstat -ano | findstr :24242" to see the local process. From another machine, "nmap -p 24242 <host>" shows whether it is reachable.

05 Related
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