# Enum - HostInternetScsiHbaChapAuthenticationType(vim.host.InternetScsiHba.ChapAuthenticationType)

Since
  vSphere API 4.0

## Enum Description

The type of CHAP authentication setting to use. prohibited : do not use CHAP. preferred : use CHAP if successfully negotiated, but allow non-CHAP connections as fallback discouraged : use non-CHAP, but allow CHAP connectsion as fallback required : use CHAP for connection strictly, and fail if CHAP negotiation fails. Defaults to preferred on first configuration if unspecified.

Enum Constants

Name | Description
--- | ---
chapDiscouraged |
chapPreferred |
chapProhibited |
chapRequired |

Show WSDL type definition
<simpleType xmlns="http://www.w3.org/2001/XMLSchema" xmlns:vsan="urn:vsan" name="HostInternetScsiHbaChapAuthenticationType"> <restriction base="xsd:string"> <enumeration value="chapProhibited"/> <enumeration value="chapDiscouraged"/> <enumeration value="chapPreferred"/> <enumeration value="chapRequired"/> </restriction> </simpleType>