CyberHunter
Local dataset, no network
// Other services

Port 24554: BINKP

Port 24554 is assigned by IANA to binkp (BINKP).

24554

How binkp works

Other services
client:24554binkpresponse client:24554binkpresponse

The client sends a request to port 24554 and the binkp 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 24554 dangerous?

We have no specific security note for port 24554. 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 24554

ServicePortTransportDescriptionReferenceUpdated
binkp 24554 TCP, UDP BINKP - 2020-06-02

// source: IANA service name and port number registry

03 Check it

Which program uses port 24554, and is it reachable?

Linux

sudo ss -ltnup 'sport = :24554'      # process listening on 24554
sudo lsof -nP -i :24554

macOS

sudo lsof -nP -i :24554

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 24554 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 24554
netstat -ano | findstr :24554

From another machine

nmap -p 24554 -sV <host>
sudo nmap -sU -p 24554 <host>
nc -zv <host> 24554

Block it in the firewall

sudo ufw deny 24554/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 24554" -Direction Inbound -LocalPort 24554 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 24554 used for?

Port 24554 is assigned by IANA to binkp (BINKP).

Is port 24554 TCP or UDP?

Port 24554 is registered for TCP and UDP.

Is it safe to open port 24554?

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 24554 is open?

On Linux run "ss -ltnup 'sport = :24554'", on macOS "lsof -nP -i :24554", and on Windows "netstat -ano | findstr :24554" to see the local process. From another machine, "nmap -p 24554 <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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