Check for Let's Encrypt CAA issue
UNLICENSE License
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Revoke risky Chinese certificates in case of potential security and censorship problem
scripts to help tls etc
A shell script (that can be used as a Nagios/Icinga plugin) to check an SSL/TLS connection.
Check expiry dates of local and remote SSL certificates
A bash script for generating trusted self-signed SSL certs for local development on your Mac
Script to scan OpenSSH host key and known_hosts files for shared keys from server hoster Hetzner
A bash script to check the status of your IP on various geo-restricted services.
Check for certs affected by July 2020 OCSP intermediate incident
A collection of shell scripts that help handling X.509 certificate and TLS issues
Renew your let's encrypt certificates monthly, using lighttpd as webserver.
Certificate Authority management suite
Testing TLS/SSL encryption anywhere on any port