CyberHunter
Local dataset, no network
// Other services

Port 7779: VSTAT

Port 7779 is assigned by IANA to vstat (VSTAT).

7779

How vstat works

Other services
client:7779vstatresponse client:7779vstatresponse

The client sends a request to port 7779 and the vstat 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)
01 Security

Is port 7779 dangerous?

We have no specific security note for port 7779. 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 7779

ServicePortTransportDescriptionReferenceUpdated
vstat 7779 TCP, UDP VSTAT - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 7779, and is it reachable?

Linux

sudo ss -ltnup 'sport = :7779'      # process listening on 7779
sudo lsof -nP -i :7779

macOS

sudo lsof -nP -i :7779

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 7779 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 7779
netstat -ano | findstr :7779

From another machine

nmap -p 7779 -sV <host>
sudo nmap -sU -p 7779 <host>
nc -zv <host> 7779

Block it in the firewall

sudo ufw deny 7779/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 7779" -Direction Inbound -LocalPort 7779 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 7779 used for?

Port 7779 is assigned by IANA to vstat (VSTAT).

Is port 7779 TCP or UDP?

Port 7779 is registered for TCP and UDP.

Is it safe to open port 7779?

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 7779 is open?

On Linux run "ss -ltnup 'sport = :7779'", on macOS "lsof -nP -i :7779", and on Windows "netstat -ano | findstr :7779" to see the local process. From another machine, "nmap -p 7779 <host>" shows whether it is reachable.

05 Related

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