> For the complete documentation index, see [llms.txt](https://cortex-docs.paloaltonetworks.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://cortex-docs.paloaltonetworks.com/xsoar-6-administrator-guide/6.13/learn-about-cortex-xsoar/onboarding-in-cortex-xsoar/engines/configure-engines/common-properties-when-editing-an-engine-configuration.md).

# Common Properties When Editing an Engine Configuration

The following table describes the common properties when editing an engine configuration using the `d1.conf` file (located by default at **`/usr/local/demisto/`**) or in the **JSON formatted configuration** dialog box in Cortex XSOAR.

| Property                           | Type         | Values                                                                                                                                                                                                                                                                                                                                                                                                                   | Edit                                                                         |
| ---------------------------------- | ------------ | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ | ---------------------------------------------------------------------------- |
| **`http_proxy`**                   | String       | The IP address of the HTTP proxy through which the engine communicates. For an example, see [Configure the Engine to Use a Web Proxy](/xsoar-6-administrator-guide/6.13/learn-about-cortex-xsoar/onboarding-in-cortex-xsoar/engines/configure-engines/configure-the-engine-to-use-a-web-proxy.md).                                                                                                                       | The engine `d1.conf` file.                                                   |
| **`https_proxy`**                  | String       | The IP address of the HTTP/s proxy through which the engine communicates. For an example, see [Configure the Engine to Use a Web Proxy](/xsoar-6-administrator-guide/6.13/learn-about-cortex-xsoar/onboarding-in-cortex-xsoar/engines/configure-engines/configure-the-engine-to-use-a-web-proxy.md)                                                                                                                      | The engine `d1.conf` file.                                                   |
| **`LogLevel`**                     | String       | <ul><li><strong><code>debug</code></strong></li><li><strong><code>info</code></strong></li><li><strong><code>warning</code></strong></li></ul>                                                                                                                                                                                                                                                                           | The engine `d1.conf` file or in the JSON formatted configuration dialog box. |
| **`BindAddress`**                  | String       | The port on which the engine listens for agent connection requests and communication task responses.                                                                                                                                                                                                                                                                                                                     | The engine `d1.conf` file.                                                   |
| **`EngineURLs`**                   | String array | An array of Server addresses to which the engine tries to connect. If you change the server URL, you need to update this parameter.                                                                                                                                                                                                                                                                                      | The engine `d1.conf` file.                                                   |
| **`LogFile`**                      | String       | Path to the **`d1.log`** file. If you change the name or location of the **`d1.log`** file, you need to update this parameter.                                                                                                                                                                                                                                                                                           | The engine `d1.conf` file.                                                   |
| **`log.rolling.maxfilesize`**      | String       | The maximum size in MB to retain log files based. Default is 20 MB.                                                                                                                                                                                                                                                                                                                                                      |                                                                              |
| **`log.rolling.backups`**          | String       | The maximum number of log files to retain. Default is 3.                                                                                                                                                                                                                                                                                                                                                                 |                                                                              |
| **`log.rolling.maxage`**           | String       | <p>The maximum number of days to retain old log files based on the time stamp encoded in the file name. Default is 0 (not to retain old log files based on age).</p><div data-gb-custom-block data-tag="hint" data-style="info" class="hint hint-info"><p><strong>Note</strong></p><p>A day is defined as 24 hours and may not exactly correspond to calendar days due to daylight savings, leap seconds, etc.</p></div> |                                                                              |
| **`engine.allow.data.collection`** | String       | <p>Disables the option to send communication task forms through the engine.</p><ul><li>false</li></ul>                                                                                                                                                                                                                                                                                                                   | The engine `d1.conf` file.                                                   |


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