2.1. Recommended System Configuration

Before installing Metadefender Core v4, please refer to the recommended system configuration listed below. Please note that the server specifications are built to allow a high volume daily processing.

For certain use cases these might be adjusted and customized on their specific needs. We highly recommend to engage our ProServ team to assist in fine tuning MetaDefender and get the maximum performance out of your systems.

We will deprecate to drop product environment support on following OS versions soon, thus we highly recommended you to upgrade OS on your MetaDefender Core server soon when applicable.

  • Windows 7, 8, 8.1

  • CentOS 6.x

The recommendations below are for MetaDefender Core, API usage only.

For any other use cases, please consult the user guide of the licensed products for accurate recommendations.

Microsoft Windows Deployments

Supported Operating Systems

  • Windows 7 (deprecated soon images/s/en_GB/7201/e9483755159fbecaf5aef9b1eebd094ee4430d2f/_/images/icons/emoticons/warning.png ), 8 (deprecated soon images/s/en_GB/7201/e9483755159fbecaf5aef9b1eebd094ee4430d2f/_/images/icons/emoticons/warning.png ), 8.1 (deprecated soon images/s/en_GB/7201/e9483755159fbecaf5aef9b1eebd094ee4430d2f/_/images/icons/emoticons/warning.png ), 10

  • Windows Server 2008, 2008 R2, 2012, 2012 R2, 2016, 2019

Disclaimer: End-customer is responsible of verifying the OS license agreement and choose the right OS based on their planned usage of MetaDefender.

Recommended System Configuration

The following amount of resources (CPU, RAM, disk space) are recommended for Metadefender Core v4:

Package

CPU cores

Free System RAM

Free Disk Space

MetaDefender Core 8

8

8 GB

16 GB

MetaDefender Core 12

16

16 GB

24 GB

MetaDefender Core 16

16

16 GB

32 GB

MetaDefender Core 20

32

16 GB

40 GB

MetaDefender Core MAX

32

32 GB

120 GB

In case Metadefender Core Node runs on a separate instance, the following resources are recommended:

Package

CPU cores

Free System RAM

Free Disk Space

MetaDefender Core 8

8

8 GB

16 GB

MetaDefender Core 12

16

16 GB

24 GB

MetaDefender Core 16

16

16 GB

32 GB

MetaDefender Core 20

32

16 GB

40 GB

MetaDefender Core 32

32

32 GB

120 GB

It is suggested to use SSD for the Core and Node products.

Third Party Dependencies

  • Microsoft Visual C++ Redistributable for Visual Studio 2010

  • Microsoft Visual C++ Redistributable for Visual Studio 2013

  • Microsoft Visual C++ Redistributable for Visual Studio 2017

Some engines also have dependencies as described below:

Vir.IT

Microsoft Visual C++ 2010 Redistributable Package

.NET framework 4

ESET

MetaDefender Core v4 temporary directory should have more than 200MB free disk space

CrowdStrike Falcon ML

Microsoft Visual C++ 2015 Redistributable Package

RocketCyber

Microsoft Visual C++ 2015 Redistributable Package

Microsoft Security

Essentials

.NET framework 4.5

Only available on Windows Server edition

Symantec

Only available on Windows Server edition

Needs at least one NIC with static IP address running TCP/IP

Systweak

.NET framework 3.5

Proactive DLP

Windows engine build:

  • Microsoft Visual C++ 2017 Redistributable Package (Only applicable to engine version 2.0 or above)

  • .NET framework 4.5 or newer

Linux engine build (only applicable to engine version 2.4.0 or above)

  • .NET Core runtime 3.1

Deep CDR

Microsoft Visual C++ 2017 Redistributable Package (Only applicable to engine version 5.8.0 or above)
.NET framework 4.5 or newer

Installation Details

Metadefender Core on Windows uses C:\Program Files\OPSWAT folder for storing resources or the installation directory.

MetaDefender will use its resources folder to store temp files as part of the analysis. It's recommended to exclude this folder from real-time protection monitoring.

Unix Based Deployments

Supported Operating Systems

  • CentOS 6.6+ (deprecated soon images/s/en_GB/7201/e9483755159fbecaf5aef9b1eebd094ee4430d2f/_/images/icons/emoticons/warning.png ), 7.0+

  • Red Hat Enterprise Linux 6.6+, 7.0+

  • Debian 9.0+,

  • Ubuntu 16.04, 18.04

Disclaimer: End-customer is responsible of verifying the OS license agreement and choose the right OS based on their planned usage of MetaDefender.

Recommended System Configuration

The following amount of resources (CPU, RAM, disk space) are recommended for Metadefender Core v4:

Package

CPU cores

Free System RAM

Free Disk Space

Metadefender Core 5

4

4 GB

10 GB

Metadefender Core 10

8

8 GB

20 GB

In case Metadefender Core Node runs on a separate instance, the following resources are recommended:

Package

CPU cores

Free System RAM

Free Disk Space

Metadefender Core 5

4

4 GB

10 GB

Metadefender Core 10

8

8 GB

20 GB

It is suggested to use SSD for the Core and Node products.

Third Party Dependencies

  • Dependencies list:

    • openssl

    • grep

    • lib32stdc++6 (>= 4.5)

    • libc6-i386 (>= 2.10)

    • procps

    • zlib1g

    • libcurl3 (>= 7.19.7)

    • libcurl4

    • ncurses-compat-libs

Not all above dependencies will need to be installed, it is depending on different Unix distro & version

Installation details

Metadefender Core default installation path is using /var folder for storing resources:

  • /var/lib/ometascan(-node): installation folder with all its resources

  • /var/log/ometascan(-node): application logs

  • /etc/lib/ometascan(node): application config files

Data Retention

Based on the configuration, MetaDefender Core could need additional disk space to store analysis data:

  • Analysis Reports: full analysis report is stored in the database and can be retrieved any time (within the defined data retention policy)

    • Approximate 1.5GB for each 1M analysis reports is required

  • Quarantine: blocked files can be stored in the dedicated Quarantine section to allow further analysis (within the defined data retention policy)

    • Depends on the customers' dataset

  • Sanitized files: Files that were cleansed using Deep CDR will be stored and made available within the defined data retention policy

    • Depends on customers' dataset

Custom Engines

The recommendations above are specific for MetaDefender pre-packaged bundles.

However for additional Custom Engines, please review the Knowledge base to review additional requirements (if any) for the selected engine.

Browser Requirements for the Metadefender Core Management Console

One of the following browsers is suggested to view the Metadefender Core Management Console:

  • Internet Explorer 11

  • Microsoft Edge

  • Chrome

  • Firefox

  • Safari

Chrome, Firefox, Safari and Edge browsers are tested with the latest available version at the time of release.