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Introduction

This document aims to furnish detailed instructions on installing the GYTPOL Validator client Sensor across different operating systems, including Windows, Linux, and macOS.

GYTPOL

...

Sensor location

For On-prem customers

To obtain the latest GYTPOL client Sensor versions, please request the download links from your GYTPOL Customer Success Manager. If you're unsure of your assigned CSM, you can reach out to support@gytpol.com for assistance.

For Cloud customers

...

.

...

...

Download the GYTPOL client for your respective operating system using the download icon.

...

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Supported Operating Systems

Microsoft:

Endpoints: Windows 7 (x32/x64) and newer

Servers: Windows Server 2008 and newer

Microsoft Client Sensor / OS support matrix:

OS

Detection

Remediation / Revert

Windows 7

V

X

Windows 8 / 8.1

V

X

Windows 10 / 11

V

V

Windows Server 2008 / 2008 r2

V

X

Windows Server 2012 / 2012 r2

V

X

Windows Server 2016 / 2019 / 2022

V

V

Important Note: Remediation functionality is supported on older versions of Microsoft Windows and Servers as long as Powershell v5.1 and newer are installed.

Linux :

Ubuntu 16 and newer

RHEL 7 and newer

CentOS 7 and newer

Rocky 9 and newer

SUSE 12 and newer

Alibaba LinuxDistribution support matrix

Distribution

Supported Versions

ARM64 Architecture

Alibaba Cloud Linux

2 and newer

Not Supported

Alma

7 and newer

Not Supported

Amazon Linux

2 and 2023

Not Supported

CentOS

7 and newer

Not Supported

Debian

10 and newer

Not Supported

Red Hat Enterprise Linux (RHEL)

7 and newer

Not Supported

Rocky Linux

9 and newer

Not Supported

SUSE Linux Enterprise Server (SLES)

12 and newer

Not Supported

Ubuntu

16 and newer

Not Supported

macOS:

Catalina 10.15 (x64) and newer

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Windows OS

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Pre-Installation

Ports to open:

GYTPOL Client Sensor to GYTPOL server on-Prem - port 9093

GYTPOL Client Sensor to GYTPOL SaaS - port 443

...

Does the Endpoint need to be a member of the domain?

No

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Installation

Open elevated CMD (r. click on CMD > Run as Administrator).

...

Once finished, the progress window will be disappeared.

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Post-Installation

To verify the successful installation of the clientSensor, follow these steps:

  1. Open Task Scheduler as an Administrator.

  2. Check for the gytpol folder under the main Library.

  3. Expand the folder, and you should observe three tasks, as exemplified below:he example below:

...

C:\Program Files\WindowsPowerShell\Modules\gytpol\log

Log retention policy

Every Windows Sensor is configured to retain up to 10 log files, with each file being 5MB in size. Once the 10-file limit is reached, the oldest log files are automatically deleted to make room for new ones, ensuring efficient log management.

This behavior can be observed in any installed Windows Sensor under the log directory C:\Program Files\WindowsPowerShell\Modules\gytpol\log.

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Uninstalling

To uninstall the GYTPOL ClientSensor:

  1. Open "Programs and Features."

  2. Locate "gytpolClient" in the list of installed programs.

  3. Right-click on "gytpolClient" and select "Uninstall" or "Remove."

...

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Linux

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Pre-Installation

Ports to open:

GYTPOL Client Sensor to GYTPOL server on-Prem - port 9093

GYTPOL Client Sensor to GYTPOL SaaS - port 443

...

Does the Endpoint need to be a member of the domain?

No

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Installation

Command to run:

  • Debian (Ubuntu): sudo dpkg -i <gytpol-clientSensor-path>

  • RPM (RHEL, centOS, SUSE etc.): sudo rpm -ivh <gytpol-clientSensor-path>

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Post-Installation

Where will I see the scanned machine?

...

Where are the logs?

/opt/gytpol/logs

Log retention policy

The Sensor is configured to retain logs for a period of 10 days. Each day may generate one or more log files, depending on the number of actions performed (e.g., scans, service logs, remediations). After 10 days, older log files are automatically deleted to maintain efficient log management.

This behavior can be observed in any installed Linux Sensor under the directory /opt/gytpol/log.

Where are the configuration folder?

“config.json ” for client’s Sensor’s configuration to a dedicated server

...

config.json

This file contains client’s Sensor’s configuration:

{

"HttpVerifyCert" : false,

...

ArchiveFolderPath - Folder (relative to /opt/gytpol) in which reports are being saved to before sending them to the server.

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Uninstalling

Debian: sudo dpkg —remove gytpol-client

...

It is highly recommended to take a backup of important data before making any changes to the system to mitigate any potential data loss. Always exercise caution when executing commands that may impact system configurations.


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macOS

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Pre-Installation:

Ports to open:

GYTPOL Client Sensor to GYTPOL server on-Prem - port 9093

GYTPOL Client Sensor to GYTPOL SaaS - port 443

...

Does the Endpoint need to be a member of the domain?

No

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Installation:

Before proceeding with the installation, determine the platform architecture by checking the "About this Mac." This information will help ensure that the correct version of the software is installed for your system.

...

Identify and choose the right package according to the table below:

Platform

Architecture

Terminal output

Package file

macOS

Intel chipset

i386

gytpol-client-<version>_amd64.pkg

macOS

Apple silicon

arm

gytpol-client-<version>_arm64.pkg

...

Your output should look like this:

...

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Post-Installation

Where will I see the scanned machine?

...

Where are the logs?

/opt/gytpol/logs

Log retention policy

The Sensor is configured to retain logs for a period of 10 days. Each day may generate one or more log files, depending on the number of actions performed (e.g., scans, service logs, remediations). After 10 days, older log files are automatically deleted to maintain efficient log management.

This behavior can be observed in any installed macOS Sensor under the directory /opt/gytpol/log.

Where are the configuration folder?

“config.json ” for client’s Sensor’s configuration to a dedicated server

...

config.json

This file contains client’s Sensor’s configuration:

{

"HttpVerifyCert" : false,

...

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Uninstalling

Stop the launch daemon.

sudo launchctl stop com.gytpol.gytmac

...