Disabling SSL 3.0 in Java

  • 7022190
  • 30-Oct-2014
  • 02-Mar-2018


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Some Attachmate products run Java in a web browser (Java Applet and/or Web Start) or from the command line. This technical note describes how to disable SSL 3.0 in Java to mitigate the POODLE vulnerability.


Disabling SSL 3.0 in Java Control Panel

To disable SSL 3.0 support when Java is run in a web browser:

  1. Open Java Control Panel.

Example: Start > Control Panel > Programs > Java (32-bit)

  1. Click the Advanced tab.
  2. Scroll down to Advanced Security Settings:
    1. Uncheck Use SSL 3.0.
    2. Check Use TLS 1.2 and Use TLS 1.1.
  3. Click OK.
Figure 1. SSL 3.0 support disabled in Java Control Panel

Note: To disable SSL 3.0 support in Internet Explorer, see https://technet.microsoft.com/en-us/library/security/3009008.aspx.

Disabling SSL 3.0 on Command Line

To disable SSL 3.0 when running Java applications from shell or script commands, add the following command line option:


For example:

java -Dhttps.protocols="TLSv1" cfcc.Config

Additional Information

Legacy KB ID

This article was originally published as Attachmate Technical Note 2760.