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// Databases & caches

Port 19790: FairCom Database

Port 19790 is assigned by IANA to faircom-db (FairCom Database).

19790

How faircom-db works

Databases & caches
app:19790faircom-db app:19790faircom-db

The application sends a SQL query to the faircom-db server on port 19790, which returns rows from its tables.

Transport
TCP
Exposure risk
not rated depends on the program listening
Encryption
Unknownnot stated by the registry
IANA status
Assigned1 registered service
Range
Registered (1024-49151)
01 Security

Is port 19790 dangerous?

We have no specific security note for port 19790. Its risk depends on the program actually listening on it. General advice for databases & caches services:

  • Bind the service to localhost or a private network, never to a public address.
  • Enable authentication, use per-application accounts and require TLS.
  • Watch for exposed Docker ports: publish them on 127.0.0.1 only.
02 Registry

IANA registry entries for port 19790

ServicePortTransportDescriptionReferenceUpdated
faircom-db 19790 TCP FairCom Database - 2020-12-04
-19790-Reserved--

// source: IANA service name and port number registry

03 Check it

Which program uses port 19790, and is it reachable?

Linux

sudo ss -ltnup 'sport = :19790'      # process listening on 19790
sudo lsof -nP -i :19790

macOS

sudo lsof -nP -i :19790

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 19790 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 19790
netstat -ano | findstr :19790

From another machine

nmap -p 19790 -sV <host>
nc -zv <host> 19790

Block it in the firewall

sudo ufw deny 19790/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 19790" -Direction Inbound -LocalPort 19790 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 19790 used for?

Port 19790 is assigned by IANA to faircom-db (FairCom Database).

Is port 19790 TCP or UDP?

Port 19790 is registered for TCP.

Is it safe to open port 19790?

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. Bind the service to localhost or a private network, never to a public address.

How do I check if port 19790 is open?

On Linux run "ss -ltnup 'sport = :19790'", on macOS "lsof -nP -i :19790", and on Windows "netstat -ano | findstr :19790" to see the local process. From another machine, "nmap -p 19790 <host>" shows whether it is reachable.

05 Related

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