# Return ModSecurity installation status

This function checks whether ModSecurity™ is installed on a server.

Important:

When you disable the Web Server role, the system disables this function.

Endpoint: GET /ModSecurity/has_modsecurity_installed
Version: 11.138.0.6
Security: BasicAuth

## Response 200 fields (application/json):

  - `apiversion` (integer)
    The version of the API.
    Example: 3

  - `func` (string)
    The name of the method called.
    Example: "has_modsecurity_installed"

  - `module` (string)
    The name of the module called.
    Example: "ModSecurity"

  - `result` (object)

  - `result.data` (object)

  - `result.data.installed` (integer)
    Whether ModSecurity is installed on the server.
* 1 - Installed.
* 0 - Not installed.
    Enum: 0, 1

  - `result.errors` (array,null)
    List of errors if the API failed.

  - `result.messages` (array,null)
    List of messages generated by the API.

  - `result.metadata` (object)

  - `result.status` (integer)
    - 1 - Success
- 0 - Failed: Check the errors field for more details.
    Enum: 0, 1

  - `result.warnings` (array,null)
    List of warnings generated by the API. Warnings describe non-critical failures or other problematic conditions noted while running a API.