A server can be protected by Security Center only after the Security Center agent is installed on the server. This topic describes how the Security Center agent works, information about the agent processes, and supported operating systems.

How the Security Center agent works

The Security Center agent automatically sends connection information about the agent to the Security Center server in real time.

If the Security Center server does not receive information from the agent in 12 hours, the Security Center server determines that the server on which the agent runs is offline. The Security Center server then changes the security status of the server to Unprotected in the console.

Agent processes

Note The root user is used to run the processes of the Security Center agent on a Linux server and the system user on a Windows server.
Process name Feature Path of the process file
AliYunDun This process is used to establish a connection to the Security Center server.
  • Windows 32-bit: C:\Program Files\Alibaba\aegis\aegis_client
  • Windows 64-bit: C:\Program Files\Alibaba\aegis\aegis_client
  • Linux: /usr/local/aegis/aegis_client
AliYunDunUpdate This process is used to check whether an update is available for the Security Center agent.
  • Windows 32-bit: C:\Program Files\Alibaba\aegis\aegis_update
  • Windows 64-bit: C:\Program Files (x86)\Alibaba\aegis\aegis_update
  • Linux: /usr/local/aegis/aegis_update

Supported operating systems and versions

Operating system Supported operating system version
  • Windows Server 2019
  • Windows Server 2016
  • Windows Server 2012
  • Windows Server 2008
  • Windows Server 2003
  • CentOS 5, CentOS 6, CentOS 7, and CentOS 8 (32-bit or 64-bit)
  • Ubuntu 9.10 to Ubuntu 20.10 (32-bit or 64-bit)
  • Debian 6, Debian 7, Debian 8, and Debian (32-bit or 64-bit)
  • RHEL 5, RHEL 6, RHEL 7, and RHEL 8 (32-bit or 64-bit)
  • Gentoo (32-bit or 64-bit)
  • OpenSUSE (32-bit or 64-bit)
  • SUSE (32-bit or 64-bit)
  • Aliyun Linux