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Check which TLS protocol versions alibaba.com supports. Test for TLS 1.0, 1.1, 1.2, and 1.3 compatibility and get a security grade.
TLS (Transport Layer Security) encrypts data in transit between your browser and alibaba.com. Older protocols like TLS 1.0 and 1.1 have known vulnerabilities and are deprecated by major browsers. Our TLS checker tests which protocol versions alibaba.com supports, identifies the preferred cipher suites, and assigns a security grade. Ensuring alibaba.com supports TLS 1.2 or 1.3 is critical for protecting user data and maintaining compliance with modern security standards like PCI DSS.