Why can Java not connect to MySQL 5.7 after the latest JDK update and how should it be fixed? (ssl.SSLHandshakeException: No appropriate protocol)

As @skelwa already commented you will need to add the enabledTLSProtocols=TLSv1.2 configuration property in the connection string to resolve your issue. A complete connection string for Connector/J could look like this: jdbc:mysql://<host>:<port>/<dbname>?enabledTLSProtocols=TLSv1.2 For r2dbc you will need to use tlsVersion=TLSv1.2 instead. For Connector/J v8.0.28 enabledTLSProtocols was renamed to tlsVersions (see note). However, the original name … Read more

how to enable TLS 1.3 in windows 10

Native SChannel implementation on Windows 10 and Windows 10 Server version 1903 (May 2019 Update) and newer supports TLS 1.3. This is how you can enable it using registry for the client: Windows Registry Editor Version 5.00 [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.3\Client] “DisabledByDefault”=dword:00000000 “Enabled”=dword:00000001 This is how you can enable it using registry for the server: Windows Registry … Read more

Is that possible to send HttpWebRequest using TLS1.2 on .NET 4.0 framework

Yes, it supports it but you must explicitly set the TLS version on the ServicePointManager. Just have this code run anytime (in same app domain) before you make the call to Experian: System.Net.ServicePointManager.SecurityProtocol = System.Net.SecurityProtocolType.Tls12 Update see @iignatov ‘s answer for what you must do for framework v4.0. My code works with 4.5+

How to use TLS 1.2 in Java 6

After a few hours of playing with the Oracle JDK 1.6, I was able to make it work without any code change. The magic is done by Bouncy Castle to handle SSL and allow JDK 1.6 to run with TLSv1.2 by default. In theory, it could also be applied to older Java versions with eventual … Read more

TLS 1.2 in .NET Framework 4.0

If you are not able to add a property to system.net class library. Then, add in Global.asax file: ServicePointManager.SecurityProtocol = (SecurityProtocolType)3072; //TLS 1.2 ServicePointManager.SecurityProtocol = (SecurityProtocolType)768; //TLS 1.1 And you can use it in a function, at the starting line: ServicePointManager.SecurityProtocol = (SecurityProtocolType)768 | (SecurityProtocolType)3072; And, it’s being useful for STRIPE payment gateway, which only … Read more

How to enable TLS 1.2 in Java 7

There are many suggestions but I found two of them most common. Re. JAVA_OPTS I first tried export JAVA_OPTS=”-Dhttps.protocols=SSLv3,TLSv1,TLSv1.1,TLSv1.2″ on command line before startup of program but it didn’t work for me. Re. constructor Then I added the following code in the startup class constructor and it worked for me. try { SSLContext ctx = … Read more

Update .NET web service to use TLS 1.2

We actually just upgraded a .NET web service to 4.6 to allow TLS 1.2. What Artem is saying were the first steps we’ve done. We recompiled the framework of the web service to 4.6 and we tried change the registry key to enable TLS 1.2, although this didn’t work: the connection was still in TLS … Read more