All ESXi host config files in webAccessibleConfigFiles.xml

ESXi 4.1 server has interesting file '/etc/vmware/hostd/webAccessibleConfigFiles.xml' where is all configuration files are listed. You can find its names and paths there.

Actually it's list of all config files those are available with web access:
...

  <configfileinfo>
     <urireference>/host/vmware.lic</urireference>
     <path>/etc/vmware/vmware.lic</path>
     <displayname>vmware.lic</displayname>
     <mimetype>text/plain</mimetype>
     <method>GET</method>
     <method>HEAD</method>
     <method>PUT</method>
  </configfileinfo>
  <configfileinfo>
     <urireference>/host/vmware_config</urireference>
     <path>/etc/vmware/config</path>
     <displayname>vmware_config</displayname>
     <mimetype>text/plain</mimetype>
     <method>GET</method>
     <method>HEAD</method>
     <method>PUT</method>
  </configfileinfo>
  <configfileinfo>
     <urireference>/host/vmware_configrules</urireference>
     <path>/etc/vmware/configrules</path>
     <displayname>vmware_configrules</displayname>
     <mimetype>text/plain</mimetype>
     <method>GET</method>
     <method>HEAD</method>
     <method>PUT</method>
  </configfileinfo>

...