Cause This error occurs when the monitoring server fails to complete the SSL/TLS handshake with the target website. In most real-world cases, this is not caused by outdated SSL protocols, but by an inconsistent or broken server-side TLS configuration. A common scenario is when the domain resolves to multiple IP addresses, with at least one […]
Articles Tagged: Error 35
Error 35: error:0A000152:SSL routines::unsafe legacy renegotiation disabled
Cause You can get this Uptime Monitoring error in your Location Fail Log if your web server does not support SSL Secure Renegotiation. This is a severe SSL vulnerability (CVE-2009-3555) that could allow an attacker to insert data into secured HTTPS sessions. Fix It is advisable to upgrade your server and use the current SSL […]
Error 35: error:0A000102:SSL routines::unsupported protocol
Cause You can get this Uptime Monitoring error in your Location Fail Log if your web server does not support any of the current SSL protocols. For instance, if your server only supports TLS 1.0 but does not support TLS 1.2 or TLS 1.3. This error gets triggered even if you’ve disabled “Verify SSL Certificate” […]