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System and network requirements

Verify that your system and network meet the minimum requirements before you install a DigiCert​​®​​ automation agent.

The agent must be installed on the same system as the automated TLS/SSL certificates.

System requirements

The DigiCert agent software runs on Linux and Windows servers with the following requirements.

Server type

Supported OS versions

Minimum specifications

Linux

  • Red Hat Enterprise Linux 7.x

  • Red Hat Enterprise Linux 8.x

  • Red Hat Enterprise Linux 9.x

  • Ubuntu 20.04 or later

  • 64-bit OS version and US locale required

  • 2 GB RAM (4 GB recommended)

  • 2 GB free disk space (minimum)

  • CLI utilities awk, grep, sed, lsof, and dos2unix installed

  • Root privileges

Windows

  • Windows 10

  • Windows Server 2016

  • Windows Server 2019

  • Windows Server 2022

  • Windows Server 2025

  • 64-bit OS version and US locale required

  • 2 GB RAM (4 GB recommended)

  • 2 GB free disk space (minimum)

  • Microsoft .NET Framework 4.x installed

  • Administrator privileges

Network requirements

The local automation agent must be able to:

  • Connect outbound to HTTPS (port 443).

  • Connect outbound to the public IP address 216.168.244.42 (for acme.digicert.com and daas.digicert.com).

  • Resolve the fully qualified domain names (FQDNs) for the local web server, either via DNS or a local "hosts" file.

In addition, if the agent will use a DigiCert​​®​​ sensor as proxy, make sure the default communication port is open on that sensor:

  • Communication port 8080 if the sensor version is 3.8.46 and older.

  • Communication port 48999 if the sensor version is 3.8.47 and newer.

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