> For the complete documentation index, see [llms.txt](https://mariadb.com/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://mariadb.com/docs/maxscale/maxscale-old-versions/mariadb-maxscale-23-02/mariadb-maxscale-23-02-filters.md).

# MaxScale 23.02 Filters

Filters are powerful modules that intercept and process database traffic in MaxScale. Use them to log, transform, block, or reroute queries to add control, security, and monitoring.