CyberHunter
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// Other services

Port 2754: APOLLO CC

Port 2754 is assigned by IANA to apollo-cc (APOLLO CC).

2754

How apollo-cc works

Other services
client:2754apollo-ccresponse client:2754apollo-ccresponse

The client sends a request to port 2754 and the apollo-cc 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 2754 dangerous?

We have no specific security note for port 2754. 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 2754

ServicePortTransportDescriptionReferenceUpdated
apollo-cc 2754 TCP, UDP APOLLO CC - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 2754, and is it reachable?

Linux

sudo ss -ltnup 'sport = :2754'      # process listening on 2754
sudo lsof -nP -i :2754

macOS

sudo lsof -nP -i :2754

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 2754 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 2754
netstat -ano | findstr :2754

From another machine

nmap -p 2754 -sV <host>
sudo nmap -sU -p 2754 <host>
nc -zv <host> 2754

Block it in the firewall

sudo ufw deny 2754/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 2754" -Direction Inbound -LocalPort 2754 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 2754 used for?

Port 2754 is assigned by IANA to apollo-cc (APOLLO CC).

Is port 2754 TCP or UDP?

Port 2754 is registered for TCP and UDP.

Is it safe to open port 2754?

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 2754 is open?

On Linux run "ss -ltnup 'sport = :2754'", on macOS "lsof -nP -i :2754", and on Windows "netstat -ano | findstr :2754" to see the local process. From another machine, "nmap -p 2754 <host>" shows whether it is reachable.

05 Related
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