File Content Extraction 26.2
Filter SDK C Programming Guide

# Configure the Proxy for RMS

When File Content Extraction needs to access contents that are protected by the Microsoft Rights Management System (RMS), it must make HTTP requests. By default, File Content Extraction uses the system proxy settings for these requests.

To use different proxy settings, you can configure them in the `[RMS]` section of the `formats.ini` configuration file. The following table describes the available options.

Parameter | Description
--- | ---
`UseSystemProxy` | Whether to obtain details about your HTTP proxy from the system. By default, this parameter is set to `TRUE`, which means: On Windows, read the proxy settings that are configured in the Windows Control Panel. On Linux, read the proxy settings from environment variables such as `HTTP_PROXY` and `HTTPS_PROXY`. You can use `UseSystemProxy` instead of setting the other proxy parameters (`ProxyHost`, `ProxyPort`, `ProxyUsername`, and `ProxyPassword`). When `UseSystemProxy` is set to `TRUE`, you must remove these other parameters from your configuration. NOTE: On Linux platforms, File Content Extraction can retrieve a proxy username and password from an environment variable in the form `http://username:password@proxy.example.com:8080/`. However, this value cannot be encrypted. On Microsoft Windows platforms, the operating system does not return a proxy username and password, so these are not supported. Set `UseSystemProxy` to `FALSE` to use different proxy settings. In this case you must set at least `ProxyHost` and `ProxyPort`.
`ProxyHost` | The host name or IP address of the proxy server.
`ProxyPassword` | The password to use to authenticate with the proxy server.
`ProxyPort` | The port of the proxy server to use to access the repository. This port must be greater than 0, and less than 65535.
`ProxyUsername` | The user name to use to authenticate with the proxy server.

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Version 26.2 | Last updated April 2026

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Product: File Content Extraction 26.2

Topic Title: Configure the Proxy for RMS