System Requirements

Operating system and hardware requirements

Please confirm that your system meets the minimum requirements listed below before installing MetaDefender ICAP Server.

  • Only 64-bit platforms are supported.
  • MetaDefender ICAP Server supports a wide range of deployment options, including air-gapped environments, providing the flexibility to choose the environment that best suits customers' requirements and infrastructure.

Operating Systems

  • CentOS 8.x, 9.x
  • Red Hat Enterprise Linux8.x, 9.x
  • Rocky Linux 9
  • Oracle Linux 9 (version 9.5 or later)
  • Debian 11.x, 12.x
  • Ubuntu 18.04, 20.04, 22.04, 24.04
  • Windows 11
  • Microsoft Windows Server 2016, 2019, 2022, 2025 or newer (64 bit)

OPSWAT will discontinue support for the following OS in Metadefender ICAP Server:

  • CentOS 7 and RHEL 7 after December 2024
  • Ubuntu 18.04, 20.04 and Debian 10 after December 2024
  • Windows 10 after October 2025

Hardware Requirements

  • RAM: Minimum 2 GB
  • SSD: 2 GB + (Max size per scan request * [number of scan request in parallels ])
  • CPU: Minimum 4 CPU Cores

For performance reasons it is not recommended to use a HDD in place of an SSD.

If MetaDefender Core or any other system is installed on the same physical machine as MetaDefender ICAP Server then the additional systems' hardware requirements need also be taken into consideration.

Other software requirements

MetaDefender Core Version Compatibility Matrix

MetaDefender ICAP ServerMetaDefender Core
4.0.04.7.0+
4.1.04.8.0+
4.2.0+4.8.2+

The following scan engines must be active:

Scan engineVersion
Data sanitization5.0.2-6+
At least one of the available anti-malware enginesN/A

[Linux] Third Party Dependencies

FileType engineRocky Linux 9.x/Red Hat 9.x: libnsl

Security rules

Under Policy > Security rules on Core, security rules – that are used by MetaDefender ICAP Server's security rules: ** **

Enable Visibility of scan result (recommended):

RoleVisibility
EverybodyFULL DETAILS

Without this visibility ICAP Server can still work, but certain details may not be visible within the UI.

Browser Requirements

One of the following desktop browsers is suggested to view the MetaDefender ICAP Server's UI:

  • Chrome
  • Firefox
  • Safari
  • Microsoft Edge

Chrome, Firefox, Safari and Edge browsers are tested with the latest available version at the time of release. Microsoft IE is no longer supported (replaced by Microsoft Edge).

Mobile layouts are not supported.

Additional installation of Windows services

NameService NameOptional
MetaDefender ICAP ServermdicapsrvREQUIRED

Ports that must be available

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