CyberHunter
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// Other services

Port 2759: APOLLO GMS

Port 2759 is assigned by IANA to apollo-gms (APOLLO GMS).

2759

How apollo-gms works

Other services
client:2759apollo-gmsresponse client:2759apollo-gmsresponse

The client sends a request to port 2759 and the apollo-gms 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 2759 dangerous?

We have no specific security note for port 2759. 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 2759

ServicePortTransportDescriptionReferenceUpdated
apollo-gms 2759 TCP, UDP APOLLO GMS - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 2759, and is it reachable?

Linux

sudo ss -ltnup 'sport = :2759'      # process listening on 2759
sudo lsof -nP -i :2759

macOS

sudo lsof -nP -i :2759

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 2759 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 2759
netstat -ano | findstr :2759

From another machine

nmap -p 2759 -sV <host>
sudo nmap -sU -p 2759 <host>
nc -zv <host> 2759

Block it in the firewall

sudo ufw deny 2759/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 2759" -Direction Inbound -LocalPort 2759 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 2759 used for?

Port 2759 is assigned by IANA to apollo-gms (APOLLO GMS).

Is port 2759 TCP or UDP?

Port 2759 is registered for TCP and UDP.

Is it safe to open port 2759?

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 2759 is open?

On Linux run "ss -ltnup 'sport = :2759'", on macOS "lsof -nP -i :2759", and on Windows "netstat -ano | findstr :2759" to see the local process. From another machine, "nmap -p 2759 <host>" shows whether it is reachable.

05 Related
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