CyberHunter
Local dataset, no network
// Other services

Port 24577: bilobit Service

Port 24577 is assigned by IANA to bilobit (bilobit Service), bilobit-update (bilobit Service Update).

24577

How bilobit works

Other services
client:24577bilobitresponse client:24577bilobitresponse

The client sends a request to port 24577 and the bilobit service answers.

Transport
TCP · UDP
Exposure risk
not rated depends on the program listening
Encryption
Unknownnot stated by the registry
IANA status
Assigned2 registered services
Range
Registered (1024-49151)
Category
Other services
01 Security

Is port 24577 dangerous?

We have no specific security note for port 24577. 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 24577

ServicePortTransportDescriptionReferenceUpdated
bilobit 24577 TCP bilobit Service - 2014-08-15
bilobit-update 24577 UDP bilobit Service Update - 2014-08-15

// source: IANA service name and port number registry

03 Check it

Which program uses port 24577, and is it reachable?

Linux

sudo ss -ltnup 'sport = :24577'      # process listening on 24577
sudo lsof -nP -i :24577

macOS

sudo lsof -nP -i :24577

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 24577 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 24577
netstat -ano | findstr :24577

From another machine

nmap -p 24577 -sV <host>
sudo nmap -sU -p 24577 <host>
nc -zv <host> 24577

Block it in the firewall

sudo ufw deny 24577/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 24577" -Direction Inbound -LocalPort 24577 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 24577 used for?

Port 24577 is assigned by IANA to bilobit (bilobit Service), bilobit-update (bilobit Service Update).

Is port 24577 TCP or UDP?

Port 24577 is registered for TCP and UDP.

Is it safe to open port 24577?

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 24577 is open?

On Linux run "ss -ltnup 'sport = :24577'", on macOS "lsof -nP -i :24577", and on Windows "netstat -ano | findstr :24577" to see the local process. From another machine, "nmap -p 24577 <host>" shows whether it is reachable.

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