Wildcard Certificates Coming January 2018 - Let's Encrypt
letsencrypt.org › 2017/07/06 › wildcard-certificatesJul 6, 2017 · A wildcard certificate can secure any number of subdomains of a base domain (e.g. *.example.com). This allows administrators to use a single certificate and key pair for a domain and all of its subdomains, which can make HTTPS deployment significantly easier. Wildcard certificates will be offered free of charge via our upcoming ACME v2 API endpoint. We will initially only support base domain validation via DNS for wildcard certificates, but may explore additional validation options over time.
Challenge Types - Let's Encrypt
letsencrypt.org › docs › challenge-typesDec 8, 2020 · When you get a certificate from Let’s Encrypt, our servers validate that you control the domain names in that certificate using “challenges,” as defined by the ACME standard. Most of the time, this validation is handled automatically by your ACME client, but if you need to make some more complex configuration decisions, it’s useful to know more about them.
Let’s Encrypt: Get Wildcard SSL Certificate - ShellHacks
www.shellhacks.com › lets-encrypt-get-wildcard-sslMay 8, 2021 · Let’s Encrypt: Get Wildcard SSL Certificate – Certbot. Let’s Encrypt CA ( C ertificate A uthority) can issue a wildcard SSL certificate that will be valid for 90 days – completely free of charge. The easiest way to obtain such wildcard SSL certificate from Let’s Encrypt is by using the Certbot (command-line client for Let’s Encrypt). In this note i will show how to install Certbot and get a wildcard SSL certificate from Let’s Encrypt.