CyberHunter
Local dataset, no network
// Other services

Port 14145: GCM Application

Port 14145 is assigned by IANA to gcm-app (GCM Application).

14145

How gcm-app works

Other services
client:14145gcm-appresponse client:14145gcm-appresponse

The client sends a request to port 14145 and the gcm-app 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 14145 dangerous?

We have no specific security note for port 14145. 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 14145

ServicePortTransportDescriptionReferenceUpdated
gcm-app 14145 TCP, UDP GCM Application - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 14145, and is it reachable?

Linux

sudo ss -ltnup 'sport = :14145'      # process listening on 14145
sudo lsof -nP -i :14145

macOS

sudo lsof -nP -i :14145

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 14145 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 14145
netstat -ano | findstr :14145

From another machine

nmap -p 14145 -sV <host>
sudo nmap -sU -p 14145 <host>
nc -zv <host> 14145

Block it in the firewall

sudo ufw deny 14145/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 14145" -Direction Inbound -LocalPort 14145 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 14145 used for?

Port 14145 is assigned by IANA to gcm-app (GCM Application).

Is port 14145 TCP or UDP?

Port 14145 is registered for TCP and UDP.

Is it safe to open port 14145?

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 14145 is open?

On Linux run "ss -ltnup 'sport = :14145'", on macOS "lsof -nP -i :14145", and on Windows "netstat -ano | findstr :14145" to see the local process. From another machine, "nmap -p 14145 <host>" shows whether it is reachable.

05 Related
:4444 Metasploit default / krb524 tcp · udp · high risk :31337 Back Orifice / elite tcp · udp · high risk :1 TCP Port Service Multiplexer tcp · udp :5 Remote Job Entry tcp · udp :9 Discard tcp · udp · sctp · dccp :11 Active Users tcp · udp :17 Quote of the Day tcp · udp :18 Message Send Protocol (historic) tcp · udp

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