2024年12月17日 · Learn about Common Name (CN) in digital certificates, its role in SSL/TLS security, and best practices for implementation. Understand how CN works with modern SAN fields, certificate requirements, and future trends in digital certificate management.

2025年2月8日 · SSL or Secure Sockets Layer, is an Internet security protocol that encrypts data to keep it safe. It was created by Netscape in 1995 to ensure privacy, authentication, and data integrity in online communications. SSL is the older version of what we now call TLS (Transport Layer Security).

SSL, or Secure Sockets Layer, is an encryption -based Internet security protocol. It was first developed by Netscape in 1995 for the purpose of ensuring privacy, authentication, and data integrity in Internet communications. SSL is the predecessor to the …

An SSL certificate displays important information for verifying the owner of a website and encrypting web traffic with SSL/TLS, including the public key, the issuer of the certificate, and the associated subdomains.

SSL is standard technology for securing an internet connection by encrypting data sent between a website and a browser (or between two servers). It prevents hackers from seeing or stealing any information transferred, including personal or financial …

2023年11月1日 · SSL Certificates The Common Name (CN), also known as the Fully Qualified Domain Name ( FQDN ), is the characteristic value within a Distinguished Name (DN). Typically, it is composed of Host Domain Name and looks like, "www.digicert.com" or "digicert.com".

The Common Name (AKA CN) represents the server name protected by the SSL certificate. The certificate is valid only if the request hostname matches the certificate common name. Most web browsers display a warning message when connecting to an address that does not match the common name in the certificate.

2025年3月25日 · In this tutorial, we’ll learn about the common name and subject alternative name attributes in the X.509 certificate. Besides that, we’ll demonstrate the method for extracting those fields using the openssl command-line tool.

Assuming the Subject Alternative Name (SAN) property of an SSL certificate contains two DNS names domain.example host.domain.example but the Common Name (CN) is set to only one of both: CN=domain.

TLS stands for Transport Layer Security. It is the protocol that succeeded the now-deprecated Secure Sockets Layer (SSL). Functionally, IT professionals use the TLS protocol in the form of digital certificates, which is the standard method for securing machine-to-machine communications.