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// Other services

Port 9107: AstergateFax Control Service

Port 9107 is assigned by IANA to astergatefax (AstergateFax Control Service).

9107

How astergatefax works

Other services
client:9107astergatefaxresponse client:9107astergatefaxresponse

The client sends a request to port 9107 and the astergatefax service answers.

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)
Category
Other services
01 Security

Is port 9107 dangerous?

We have no specific security note for port 9107. 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 9107

ServicePortTransportDescriptionReferenceUpdated
astergatefax 9107 TCP AstergateFax Control Service - 2010-02-03
-9107-Reserved--

// source: IANA service name and port number registry

03 Check it

Which program uses port 9107, and is it reachable?

Linux

sudo ss -ltnup 'sport = :9107'      # process listening on 9107
sudo lsof -nP -i :9107

macOS

sudo lsof -nP -i :9107

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 9107 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 9107
netstat -ano | findstr :9107

From another machine

nmap -p 9107 -sV <host>
nc -zv <host> 9107

Block it in the firewall

sudo ufw deny 9107/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 9107" -Direction Inbound -LocalPort 9107 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 9107 used for?

Port 9107 is assigned by IANA to astergatefax (AstergateFax Control Service).

Is port 9107 TCP or UDP?

Port 9107 is registered for TCP.

Is it safe to open port 9107?

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 9107 is open?

On Linux run "ss -ltnup 'sport = :9107'", on macOS "lsof -nP -i :9107", and on Windows "netstat -ano | findstr :9107" to see the local process. From another machine, "nmap -p 9107 <host>" shows whether it is reachable.

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