CyberHunter
Local dataset, no network
// Other services

Port 47557: Databeam Corporation

Port 47557 is assigned by IANA to dbbrowse (Databeam Corporation).

47557

How dbbrowse works

Other services
client:47557dbbrowseresponse client:47557dbbrowseresponse

The client sends a request to port 47557 and the dbbrowse 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 47557 dangerous?

We have no specific security note for port 47557. 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 47557

ServicePortTransportDescriptionReferenceUpdated
dbbrowse 47557 TCP, UDP Databeam Corporation - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 47557, and is it reachable?

Linux

sudo ss -ltnup 'sport = :47557'      # process listening on 47557
sudo lsof -nP -i :47557

macOS

sudo lsof -nP -i :47557

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 47557 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 47557
netstat -ano | findstr :47557

From another machine

nmap -p 47557 -sV <host>
sudo nmap -sU -p 47557 <host>
nc -zv <host> 47557

Block it in the firewall

sudo ufw deny 47557/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 47557" -Direction Inbound -LocalPort 47557 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 47557 used for?

Port 47557 is assigned by IANA to dbbrowse (Databeam Corporation).

Is port 47557 TCP or UDP?

Port 47557 is registered for TCP and UDP.

Is it safe to open port 47557?

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 47557 is open?

On Linux run "ss -ltnup 'sport = :47557'", on macOS "lsof -nP -i :47557", and on Windows "netstat -ano | findstr :47557" to see the local process. From another machine, "nmap -p 47557 <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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