audio/basic                    au snd           # Audio Sound File
audio/x-aiff                   aif aiff aifc    # AIFF Sound File
audio/x-midi                   mid              # MIDI Sound File
audio/x-pn-realaudio           ra ram rm rpm    # REALAUDIO Sound File
audio/x-wav                    wav              # WAV Sound File
audio/x-mpegurl                mp3              # MP3 Sound File
audio/mpeg3                    mp3              # MP3 Sound File

- **User Permissions**: Access control and label configurations

### 2. Infrastructure Requirements

Ensure your Fess environment meets these requirements:

- **Java**: JDK 17 or later
- **Memory**: Minimum 4GB RAM (8GB+ recommended for production)
- **Storage**: At least 2x your current index size
- **Network**: Access to crawl sources (web servers, file shares, databases)
- **Elasticsearch/OpenSearch**: Compatible version running

    <_comment>Real Audio</_comment>
    <alias type="audio/x-realaudio" />
    <magic priority="50">
      <match value="0x2e7261fd" type="big32" offset="0"/>
    </magic>
    <glob pattern="*.ram"/>
    <glob pattern="*.ra"/>
  </mime-type>

  <mime-type type="audio/x-pn-realaudio-plugin">
    <_comment>RealMedia Player Plug-in</_comment>
    <glob pattern="*.rmp"/>