Fix Firefox Error code: SSL_ERROR_RX_RECORD_TOO_LONG

When Firefox throws up the error SSL_ERROR_RX_RECORD_TOO_LONG, it’s not just a random glitch. It’s Firefox’s way of protecting you when something’s off in the SSL/TLS connection between your browser and the website’s server. This error usually points to a deeper issue on the server side: misconfigured SSL/TLS settings, incorrect ports, or outdated encryption libraries. But sometimes, local browser problems or network conflicts can play a part. Whether you’re a server administrator troubleshooting SSL handshakes or an everyday user just trying to load a secure site, understanding this error is the first step to fixing it. This guide unpacks the causes and gives you clear, actionable solutions — so you can restore a secure, trusted connection. What is SSL_ERROR_RX_RECORD_TOO_LONG in Firefox? The SSL_ERROR_RX_RECORD_TOO_LONG error is when Firefox tries to create a secure connection with server. But the data it receives isn’t in the correct format for a valid SSL/TLS handshake. Meaning, the data browser receives SSL record that is too long or incorrect for the browser to process under SSL/TLS protocol. This problem is usually caused by server-side misconfigurations, in particular, on web servers that are either improperly set up to use SSL/TLS or fail to use it entirely. Typically, the […]