How to Fix NET::ERR_CERT_AUTHORITY_INVALID Error

Sun, Nov 24, 2024
If you’ve ever been blocked by a NET::ERR_CERT_AUTHORITY_INVALID error while trying to access a website, you know how frustrating it can be. This SSL/TLS certificate validation error is one of the most common security warnings you’ll encounter, and it affects both developers running local environments and users trying to access production sites. In this guide, we’ll break down what causes this error, why it matters for security, and how to fix it whether you’re a visitor hitting the error or a website owner whose users are reporting it.

ERR_SSL_VERSION_OR_CIPHER_MISMATCH Error

Sat, Dec 7, 2024
Ever tried to visit a website and got smacked with that dreaded ERR_SSL_VERSION_OR_CIPHER_MISMATCH error? Yeah, it’s one of those SSL headaches that can really ruin your day. Basically, your browser and the website’s server are having a disagreement about how to talk securely to each other - kind of like trying to have a conversation where one person speaks ancient Latin and the other only knows modern English. This particular error pops up when there’s a mismatch in the SSL/TLS protocols or encryption ciphers between what your browser supports and what the server is offering.

The Client and Server Don’t Support a Common SSL Protocol Version or Cipher Suite

Fri, Dec 13, 2024
One of the most frustrating errors you might encounter while trying to establish a secure connection is the “The client and server don’t support a common SSL protocol version or cipher suite” message. This issue occurs when a client (like a web browser) and a server fail to negotiate a common SSL/TLS protocol version or cipher suite during the handshake process. It can affect both users trying to access a website and website owners working to secure their platform.