You load your site, or visit an API endpoint your app relies upon, and instead of a page you find a brief, unhelpful message: 401 Unauthorized. Sometimes a browser password box appears. Other times, a blank white page presents only that number. In either case, visitors are shut out, and if the error strikes your admin area, even you are left at the threshold.

The good news is that a 401 is one of the more honest HTTP responses.

Continue reading HTTP 401 Unauthorized: What It Means and How to Fix It at Sucuri Blog.

Turning on DNSSEC makes your domain more secure — but if it’s misconfigured, newer certificate validation rules can stop SSL renewals in their tracks.

Hey there,

You know that satisfying click when you finally turn on DNSSEC? It feels like adding a shiny new deadbolt to your domain’s front door. You’re doing the responsible thing: locking down your DNS against spoofing and hijacks, and making the internet just a bit safer.

Continue reading DNSSEC: The Extra Security Layer That Can Break Your Padlock at Sucuri Blog.