> For the complete documentation index, see [llms.txt](https://testnet-docs.gitbook.io/cardano-testnets/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://testnet-docs.gitbook.io/cardano-testnets/oracle-cloud/steps-to-harden-instance/further-hardening.md).

# Further hardening

Please refer to [this guide](https://gist.github.com/lokhman/cc716d2e2d373dd696b2d9264c0287a3) to take more steps in hardening your servers.