Let's Encrypt

How to Setup XTRF with Apache HTTP server as a reverse proxy and SSL from Let's Encrypt

XTRF is a Polish translation management system available to install as SAAS or on your own server (both Windows and Linux). In today's article, I will keep notes on How to Setup XTRF with Apache HTTP server as a reverse proxy and SSL from…

How To HTTPS Secure Drupal 8 Running Nginx with Let's Encrypt on Ubuntu 18.04

Let's Encrypt have done some very good job, providing SSL certificates that everyone can use absolutely for free. Encrypted HTTPS websites should be default in 2020. I have been implementing HTTPS secure websites for years. Until now I…

Let's Encrypt Fix for "produced an unexpected error: Problem binding to port 443: Could not bind to IPv4 or IPv6.. Skipping."

The other day I faced this problem - server was not automatically renewing Let's Encrypt certificate:   produced an unexpected error: Problem binding to port 443: Could not bind to IPv4 or IPv6.. Skipping.  It took me some time to debug…

How to Renew Let's Encrypt SSL Certificate

Free SSL certificates from Let's Encrypt certify are issued for a short 3 month term. I first enabled secure HTTPS pages around at start of 2016, and now it's time to renew SSL.  The following tutorial is written for Nginx, but should work…

Let's Encrypt to fix HTTPS Certificate incompatibility with Windows XP and Google Chrome

It was about a month ago - when I successfully installed secure https pages for my blog, I opted for using free certificate provided by Let's Encrypt certificate authority. I first heard Let's Encrypt certificate authority from KeyCDN. It…

Linode: How To Secure Nginx with Let's Encrypt on Ubuntu 12.04

Encrypted HTTPS websites are pretty much a hot topic nowadays. I have seen a lot noncommercial websites and blogs using HTTPS protocol lately.  I believe cheap prices for certificates and possible SEO boost from Google are pushing more and…