lets-encrypt

问题 I'm new to securing a server so I don't really know much about this but I need to get my Spring Boot Application that is running on a Digital Ocean Droplet to use HTTPS. My idea is to register a letsencrypt certificate and then tell Spring to use that. However, I have no idea how to do that. Thanks. 回答1: I wrote 2 blog posts about Let's Encrypt and Spring Boot . Issuing a certificate. Spring Boot Application Secured by Let’s Encrypt Certificate Renewing a certificate . Let’s Encrypt

问题 When trying to "Add a new SSL certificate" using App Engine's Settings tab that was generated with Let's Encrypt via Google App Engine's console results in a dialog error and a 400 response to the POST request. Error "The SSL certificate provided could not be inserted." A previously generated (about 2 months ago - not yet expired of course) SSL key/certificate via the exact same method is inserted just fine - but any newly generated one does not. I attempted both traditional Let's Encrypt and