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SSL Dragon Blog - Advanced SSL

What Is the .well-known Folder and How to Create It?

This quick guide answers one of the most common questions during Domain Control Validation (DCV): what is the .well-known folder? You will also learn how to create the .well-known folder on your server and why you need it in the first place. Table of Contents What is the .well-known folder? What should I put in [...]

What Is OpenSSL? How Does OpenSSL Work?

Proper SSL implementation is crucial to a website’s security and success. And, with so many web owners learning about SSL for the first time, it’s essential to equip them with all the necessary tools and utilities. One such tool is OpenSSL. So, what is OpenSSL, and why is it so important? The following guide covers [...]

How to Pass Domain Control Validation (DCV)?

Domain Control Validation (DCV) is a step every applicant must pass before receiving the SSL certificate from the Certificate Authority. It doesn't require any paperwork, and the process is straightforward. Certificate Authorities use DCV to verify the person making the request is authorized to use the domain related to that request. To confirm you have [...]

Can a Wildcard Certificate Secure Second-Level Subdomains?

SSL certificates can secure websites of any size and complexity. Since HTTPS became a requirement, more users have learned how to install and manage SSL certs on different platforms. However, the less tech-savvy folks face stern challenges when the multi-level subdomains come into the equation. Unlike single websites that use a one-domain certificate, you can [...]

A Non-Technical Guide to SHA 256 Algorithm

A common specification of all SSL certificates, irrespective of brand, price, and type, is the SHA 256 algorithm. You will see a mention of it in the certificate’s details or the features listed on the product’s information. For non-techies, SHA 256 is usually a complete mystery. In this article, we want to show you what [...]

What is Port 443, And How to Enable It?

When you install an SSL certificate, one of the steps is to select port 443 - the default port for the HTTPS connection. But what exactly does a port do? And why it's numbered like that? This article provides the answers. What is a port? In simple terms, a port in networking is a software-defined [...]

How to Check SSL Certificates Details with Open SSL in Linux?

SSL certificates are now a requirement for any website. If you don't encrypt your site, browsers will flag it as not secure, leaving visitors with an annoying warning message. But even if you add an SSL certificate, managing it is tricky. An SSL error may pop up unexpectedly, causing you all sorts of trouble. To [...]

Best Practices to Store the Private Key

The SSL/TLS protocol uses a pair of cryptographic keys - one public and one private to secure and authenticate connections. These keys are generated together as a pair and work in tandem during the TLS handshake process. The public key is used to encrypt, and a private key is used to decrypt the data. While [...]

How SSL & PKI Secures Your Company in 2023 and Beyond?

It’s been a challenging year so far. The COVID 19 pandemic has sent the entire planet into chaos. With brick and mortar businesses struggling to stay afloat, the online world has taken the center stage now. The lockdown and social distancing have forced companies to shift their operations from offices to a home environment. For [...]

SSL without a domain name – is it possible?

Every website needs an SSL certificate these days to remain accessible via Chrome or Firefox. But can you get SSL  without a domain name? Yes, you can! Instead of securing a domain, you can encrypt a public IP address.  Just like with regular certificates, you have a couple of validations options (DomainValidation and Business Validation). [...]

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