VMware vSphere Security Cookbook

Configuring the host firewall

The ESXi firewall configuration is very similar to many firewalls that we are already familiar with from our day-to-day work duties. It is important to note that even though a port might be configured as open in the firewall configuration, should the corresponding service or daemon be stopped, an unexpected connection error might result. For example, the SSH server port is open by default on a new ESXi build. An SSH connection will fail, however, because the SSH service is not running to respond to the request.

Getting ready

In order to proceed, we require access to vSphere Client. The client can be run on any modern Windows desktop operating system or server operating system.

Note

vSphere Client will not run from a Windows ...