Probe public TLS endpoints for protocol, cipher, and certificate weaknesses before rollout with testssl.sh
Run a thorough TLS preflight against a host before launch, certificate renewal, or incident review.
Prerequisites
Shell environment, OpenSSL-compatible networking tools
Installation
Choose whichever fits your setup:
- Copy this skill folder into your local skills directory.
- Clone the repo and symlink or copy the skill into your agent workspace.
- Add the repo as a git submodule if you manage shared skills centrally.
- Install it through your internal provisioning or packaging workflow.
- Download the folder directly from GitHub and place it in your skills collection.
Install command or upstream instructions:
Clone the repository or download a release, then run `./testssl.sh <host>` or `./testssl.sh <host>:443` against the target endpoint.