.CER and .CRT are both file extensions for X.509 digital certificates used in SSL/TLS encryption. They contain identical certificate data - the difference lies in encoding and platform convention. CER files typically use binary DER encoding and are the standard on...
What Does SSL Connection Errors Mean? Secure Sockets Layer (SSL) technology helps encrypt and secure internet traffic between devices and servers. It's used across most apps and websites you access on your Android phone daily. SSL depends on digital certificates to...
CSR Creation & SSL Certificate Installation on IIS 8 or later An SSL certificate allows you to enable HTTPS on your IIS 8 web server, providing secure encrypted connections between the server and clients. Installing an SSL certificate on IIS 8 involves obtaining a...
When it comes to digital identity and security, you may often come across the terms digital signature and digital certificate. While both play important roles in validating digital documents and transactions, they serve distinct purposes that are easily mixed up. This...
What Does SEC_ERROR_UNKNOWN_ISSUER Error Mean? The SEC_ERROR_UNKNOWN_ISSUER error in Firefox indicates that the website's security certificate is not trusted. This usually happens when the certificate is self-signed, expired, or issued by an unknown certificate...
![What is Certificate Revocation List [CRL]?](https://sslinsights.com/wp-content/uploads/2024/01/certificate-revocation-list-crl.png)
Certificate Revocation List: CRL Explained A Certificate Revocation List (CRL) is a list of digital certificates that have been revoked by the issuing Certificate Authority (CA) before their scheduled expiration date and should no longer be trusted. CRLs allow relying...
CSR Creation & SSL Certificate Installation on IIS 7 or later An SSL certificate enables HTTPS and encrypts communication between a website and visitors' browsers. Installing an SSL certificate on IIS 7 secures your website and gives visitors confidence that it is...
What Does SEC_ERROR_REUSED_ISSUER_AND_SERIAL Mean? The SEC_ERROR_REUSED_ISSUER_AND_SERIAL error in Firefox indicates that the website certificate you are trying to access has been issued multiple times by the certificate authority. This reused certificate error occurs...
Sectigo RSA Domain Validation Secure Server CA is a Certificate Authority (CA) that issues SSL/TLS certificates for domain validation purposes. It is operated by Sectigo, a major certificate authority and leading provider of digital certificates and automated...
Import or install SSL certificate on an Exchange Server Installing an SSL certificate on Microsoft Exchange Server is important for securing client connections and preventing man-in-the-middle attacks. SSL certificates encrypt communication between your Exchange...