Prevent the network bridging module from loading on your system by default. Potential attackers could exploit it to compromise your system.

About this task

Configure your system to prevent the network from loading, unless it is absolutely necessary. Potential attackers could exploit it to bypass network partitioning and security.

Procedure

  1. Run the following command on all VMware virtual appliance host machines.

    # rmmod bridge

  2. Open the /etc/modprobe.conf.local file in a text editor.
  3. Ensure that the following line appears in this file.

    install bridge /bin/false

  4. Save the file and close it.