How to find what SSL/TLS version is used in Java

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Get the SSLSession from your SSLSocket on your client and use its getProtocol() method.

Oracle JRE/OpenJDK 6 supports SSLv3 and TLS 1.0. You would need at least the IBM JRE 6/7 or Oracle JRE/OpenJDK 7 to get support for TLS 1.1 and TLS 1.2. (This is also related to the available cipher suites, as mentioned in this question.)

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