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// Other services

Port 9279: Pegaus GPS System Control Interface

Port 9279 is assigned by IANA to pegasus-ctl (Pegaus GPS System Control Interface).

9279

How pegasus-ctl works

Other services
client:9279pegasus-ctlresponse client:9279pegasus-ctlresponse

The client sends a request to port 9279 and the pegasus-ctl 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 9279 dangerous?

We have no specific security note for port 9279. 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 9279

ServicePortTransportDescriptionReferenceUpdated
pegasus-ctl 9279 TCP, UDP Pegaus GPS System Control Interface - 2009-05-12

// source: IANA service name and port number registry

03 Check it

Which program uses port 9279, and is it reachable?

Linux

sudo ss -ltnup 'sport = :9279'      # process listening on 9279
sudo lsof -nP -i :9279

macOS

sudo lsof -nP -i :9279

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 9279 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 9279
netstat -ano | findstr :9279

From another machine

nmap -p 9279 -sV <host>
sudo nmap -sU -p 9279 <host>
nc -zv <host> 9279

Block it in the firewall

sudo ufw deny 9279/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 9279" -Direction Inbound -LocalPort 9279 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 9279 used for?

Port 9279 is assigned by IANA to pegasus-ctl (Pegaus GPS System Control Interface).

Is port 9279 TCP or UDP?

Port 9279 is registered for TCP and UDP.

Is it safe to open port 9279?

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 9279 is open?

On Linux run "ss -ltnup 'sport = :9279'", on macOS "lsof -nP -i :9279", and on Windows "netstat -ano | findstr :9279" to see the local process. From another machine, "nmap -p 9279 <host>" shows whether it is reachable.

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