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// Other services

Port 1978: UniSQL

Port 1978 is assigned by IANA to unisql (UniSQL).

1978

How unisql works

Other services
client:1978unisqlresponse client:1978unisqlresponse

The client sends a request to port 1978 and the unisql 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 1978 dangerous?

We have no specific security note for port 1978. 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 1978

ServicePortTransportDescriptionReferenceUpdated
unisql 1978 TCP, UDP UniSQL - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 1978, and is it reachable?

Linux

sudo ss -ltnup 'sport = :1978'      # process listening on 1978
sudo lsof -nP -i :1978

macOS

sudo lsof -nP -i :1978

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 1978 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 1978
netstat -ano | findstr :1978

From another machine

nmap -p 1978 -sV <host>
sudo nmap -sU -p 1978 <host>
nc -zv <host> 1978

Block it in the firewall

sudo ufw deny 1978/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 1978" -Direction Inbound -LocalPort 1978 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 1978 used for?

Port 1978 is assigned by IANA to unisql (UniSQL).

Is port 1978 TCP or UDP?

Port 1978 is registered for TCP and UDP.

Is it safe to open port 1978?

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 1978 is open?

On Linux run "ss -ltnup 'sport = :1978'", on macOS "lsof -nP -i :1978", and on Windows "netstat -ano | findstr :1978" to see the local process. From another machine, "nmap -p 1978 <host>" shows whether it is reachable.

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