> For the complete documentation index, see [llms.txt](https://ilogtail.gitbook.io/ilogtail-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://ilogtail.gitbook.io/ilogtail-docs/pre-release/plugins/kuo-zhan-cha-jian.md).

# 扩展插件

- [什么是扩展插件](https://ilogtail.gitbook.io/ilogtail-docs/pre-release/plugins/kuo-zhan-cha-jian/extensions.md)
- [BasicAuth鉴权](https://ilogtail.gitbook.io/ilogtail-docs/pre-release/plugins/kuo-zhan-cha-jian/ext-basicauth.md)
- [协议解码/反序列化](https://ilogtail.gitbook.io/ilogtail-docs/pre-release/plugins/kuo-zhan-cha-jian/ext-default-decoder.md)
- [协议编码/序列化](https://ilogtail.gitbook.io/ilogtail-docs/pre-release/plugins/kuo-zhan-cha-jian/ext-default-encoder.md)
- [数据筛选](https://ilogtail.gitbook.io/ilogtail-docs/pre-release/plugins/kuo-zhan-cha-jian/ext-groupinfo-filter.md)
- [请求熔断](https://ilogtail.gitbook.io/ilogtail-docs/pre-release/plugins/kuo-zhan-cha-jian/ext-request-breaker.md)