【Java SE】Java TLS

https://chenyongjun.vip/articles/77

java -Djavax.net.debug=all -Djdk.tls.client.protocols="TLSv1,TLSv1.1,TLSv1.2" -Dhttps.protocols="TLSv1,TLSv1.1,TLSv1.2"