Guides
The X-Robots-Tag header is a very important HTTP Header for SEO. If you make copies of sites and put them online so your clients or testers can view them then you do not want to be penalized by Google for having duplicate content. One way to prevent this is to use the X-Robots-Tag HTTP header … Learn more…
WordPress is gaining in popularity and therefore the number of attacks specific to WordPress keep increasing. I manage servers for some political websites which get attacked relentlessly so that means I get to create new firewall rules and rate limiting directives to help keep the site running – very fun! Recently this site was being … Learn more…
Let’s Encrypt has transformed the internet. Every website can now have a free SSL certificate! You can authenticate your website with Let’s Encrypt using the .well-known path but if you have multiple virtual hosts then this can get tedious so Let’s Encrypt made it possible to add wildcard SSL certificates by using DNS to authenticate … Learn more…
Globalization has made cyberattacks much easier 🙁 unfortunately. As a result, you may not want certain countries to visit your site if you mainly get malicious traffic from specific countries that overload your server and slow it down. In this tutorial we will be configuring nginx to use the latest GeoIP database and blocking a … Learn more…
Many nginx users nowadays are enjoying the benefits of server side caching with a reverse proxy cache or fastcgi cache (this is what Kinsta use). I have the pleasure of working with a lot of these server configurations and sometimes you get some undesired caching behavior that you need to debug in the nginx virtual … Learn more…