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// Other services

Port 9106: Astergate Control Service

Port 9106 is assigned by IANA to astergate (Astergate Control Service), astergate-disc (Astergate Discovery Service).

9106

How astergate works

Other services
client:9106astergateresponse client:9106astergateresponse

The client sends a request to port 9106 and the astergate service answers.

Transport
TCP · UDP
Exposure risk
not rated depends on the program listening
Encryption
Unknownnot stated by the registry
IANA status
Assigned2 registered services
Range
Registered (1024-49151)
Category
Other services
01 Security

Is port 9106 dangerous?

We have no specific security note for port 9106. 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 9106

ServicePortTransportDescriptionReferenceUpdated
astergate 9106 TCP Astergate Control Service - 2010-01-04
astergate-disc 9106 UDP Astergate Discovery Service - 2010-01-04

// source: IANA service name and port number registry

03 Check it

Which program uses port 9106, and is it reachable?

Linux

sudo ss -ltnup 'sport = :9106'      # process listening on 9106
sudo lsof -nP -i :9106

macOS

sudo lsof -nP -i :9106

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 9106 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 9106
netstat -ano | findstr :9106

From another machine

nmap -p 9106 -sV <host>
sudo nmap -sU -p 9106 <host>
nc -zv <host> 9106

Block it in the firewall

sudo ufw deny 9106/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 9106" -Direction Inbound -LocalPort 9106 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 9106 used for?

Port 9106 is assigned by IANA to astergate (Astergate Control Service), astergate-disc (Astergate Discovery Service).

Is port 9106 TCP or UDP?

Port 9106 is registered for TCP and UDP.

Is it safe to open port 9106?

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 9106 is open?

On Linux run "ss -ltnup 'sport = :9106'", on macOS "lsof -nP -i :9106", and on Windows "netstat -ano | findstr :9106" to see the local process. From another machine, "nmap -p 9106 <host>" shows whether it is reachable.

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