![]() For example, an API server that talks to a database is similar to a reverse proxy. This inherent trust can also be useful when planning out your network. This keeps your network configuration private, and while security through obscurity is never foolproof, it’s better than leaving it open to attack. In fact, reverse proxies are commonly used with origin servers in private subnets, meaning they have no incoming connections to the outside internet at all. Since the user doesn’t know what’s behind the reverse proxy, they won’t be able to easily attack your origin servers directly. The servers around the world that cache the content are called “edge nodes,” and having a lot of them can make your website very snappy. CDNs like CloudFlare or Fastly are very commonly used by large websites to speed up global delivery. So, this route can be cached, and the reverse proxy will just send back the last response to the next user, rather than bothering WordPress again.Ī dedicated network of reverse proxies that cache your content is called a Content Delivery Network, or CDN. Doing that for every page refresh is wasteful considering the page doesn’t really change. For example, this article you’re reading now was served by WordPress, which needs to talk to a SQL database to fetch the article content and metadata. ![]()
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