使用MySqlConnection (.NET)将SSL连接到MySql-server会从某些客户端失败

This is really a question about SSL, and Socket-traces are below, so don't be shy to continue reading even if you've never used MySql before. Anyway we're trying to connect to a MySql-server over SSL (with a Client .PFX certificate) using MySqlConnection (both .NET 2.0 & 4.0, version doesn't matter), as so:This is really a question about SSL, and Socket