TLS 1.0 and 1.1 are outdated encryption protocol versions with known cryptographic weaknesses — modern browsers and payment processors increasingly refuse or warn on connections using them, and disabling them forces all connections to use the stronger TLS 1.2 or 1.3.
Leaving old TLS versions enabled does not usually break anything visibly today, but it is a real, unnecessary weak point, and some compliance standards (like PCI DSS for payment processing) explicitly require these to be disabled.
TLS 1.0 and 1.1 represent genuinely outdated encryption protocol versions with known, documented cryptographic weaknesses that modern security standards specifically recommend against continuing to support — verifying these older versions are disabled ensures your server only accepts connections using genuinely current, cryptographically sound protocol versions.
The specific vulnerabilities in these older protocol versions have been well-documented and understood for years within the security community, leading major browsers and payment processors to deprecate support for these older versions entirely — a server still accepting these older protocols not only carries genuine security risk but can also trigger warnings or connection failures with increasingly security-conscious client software.
This verification requires checking your actual server's TLS configuration directly, since default configurations on some older or improperly maintained server setups may still permit these deprecated protocol versions even when more modern versions are also supported — genuine confirmation requires direct verification rather than assumption that modern hosting automatically excludes these outdated versions.
Disabling these older versions, where genuinely still enabled, represents a configuration change with essentially no legitimate downside for modern usage — the extremely small remaining population of clients that might depend on these outdated protocols represents a security tradeoff not worth making given the well-documented, genuine cryptographic weaknesses these older versions carry.
An SSL Labs scan confirms TLS 1.0 and 1.1 are disabled and only TLS 1.2/1.3 are accepted.
The Security Ring turns this into a real, permanent mission — mark it complete once you have genuinely done it.
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