
NET, PHP, Ruby, Python and Node.js, may also be affected.You often need to debug SSL/TLS related issues while working as a web engineer, webmaster, or system administrator. We expect significant impact to Java environments, including Android.

The testing environment will present a ‘PayPal_Connection_OK’ message if you’ve completed the server update correctly. Use our testing environment to verify that your servers support the latest security standards. The Production endpoints will only allow TLS 1.2 and HTTP/1.1 connections:

The Payflow testing endpoints will only allow TLS 1.2 and HTTP/1.1 connections: These endpoints only allow TLS 1.2 and HTTP/1.1 connections:

You can use these endpoints to verify that your code supports the required standards prior to the Production endpoints getting updated. The PayPal Sandbox endpoints have been configured with the latest security standards to which the Production endpoints will be moving.
