Here, we're going to talk about a bunch of things regarding ESX server and its ability to do automated setup config stuff. Wow.
By customizing your security settings, you can enable or disable various settings that provide access to the server, such as unencrypted Web access, SSH, telnet, FTP and NFS file sharing. To customize your security settings, click Custom. The Security Settings dialog box changes to allow you to choose specific security settings.
Check the appropriate boxes for items you want to enable, then click OK.