How to Disable SSL 2.0?

Created:

2016-11-16 12:46:47 UTC

Modified:

2017-08-16 16:59:44 UTC

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How to Disable SSL 2.0?

Applicable to:

  • Plesk 10.x for Linux
  • Plesk 11.x for Windows
  • Plesk 12.5 for Windows

Symptoms

To pass PCI Compliance scan it is necessary to disable SSL 2.0. How can I disable SSL 2.0 in IIS 7?

Resolution

  1. Click Start > Run , type regedit , and then click OK.

  2. In Registry Editor, locate the following registry key/folder:

HKEY_LOCAL_MASHINE\System\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\SSL 2.0

  1. Right-click on the SSL 2.0 folder and select New and then click Key . Name the new folder Server .

  2. Inside the Server folder, click the Edit menu, select New , and click DWORD (32-bit) Value . Enter Enabled as the name and hit Enter. Ensure that it shows 0x00000000 (0) under the Data column (it should by default).

  3. Restart computer to apply changes.

Please see the following article:

http://support.microsoft.com/kb/187498

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