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// Other services

Port 8194: Bloomberg data API

Port 8194 is assigned by IANA to blp1 (Bloomberg data API).

8194

How blp1 works

Other services
client:8194blp1response client:8194blp1response

The client sends a request to port 8194 and the blp1 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 8194 dangerous?

We have no specific security note for port 8194. 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 8194

ServicePortTransportDescriptionReferenceUpdated
blp1 8194 TCP, UDP Bloomberg data API - 2006-05

// source: IANA service name and port number registry

03 Check it

Which program uses port 8194, and is it reachable?

Linux

sudo ss -ltnup 'sport = :8194'      # process listening on 8194
sudo lsof -nP -i :8194

macOS

sudo lsof -nP -i :8194

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 8194 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 8194
netstat -ano | findstr :8194

From another machine

nmap -p 8194 -sV <host>
sudo nmap -sU -p 8194 <host>
nc -zv <host> 8194

Block it in the firewall

sudo ufw deny 8194/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 8194" -Direction Inbound -LocalPort 8194 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 8194 used for?

Port 8194 is assigned by IANA to blp1 (Bloomberg data API).

Is port 8194 TCP or UDP?

Port 8194 is registered for TCP and UDP.

Is it safe to open port 8194?

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 8194 is open?

On Linux run "ss -ltnup 'sport = :8194'", on macOS "lsof -nP -i :8194", and on Windows "netstat -ano | findstr :8194" to see the local process. From another machine, "nmap -p 8194 <host>" shows whether it is reachable.

05 Related
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