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How to Enable SSL 3.0

This wikiHow teaches you how to turn on SSL 3.0 support in Firefox for Windows and macOS, as well as Chrome, Edge, and Internet Explorer for Windows. SSL 3.0 is already enabled in Safari for macOS and cannot be turned off. Open Firefox on...
Method 1 of 3:

Firefox for Windows and macOS

  1. How to Enable SSL 3.0 Picture 1How to Enable SSL 3.0 Picture 1
    Open Firefox on your PC or Mac. You'll usually find it in the All Apps area of the Start menu (Windows) or in the Applications folder (macOS).
  2. How to Enable SSL 3.0 Picture 2How to Enable SSL 3.0 Picture 2
    Type about:config into the address bar and press ↵ Enter or ⏎ Return. A warning page will appear.
  3. How to Enable SSL 3.0 Picture 3How to Enable SSL 3.0 Picture 3
    Click I accept the risk!. It's the blue button at the center of the page.
  4. How to Enable SSL 3.0 Picture 4How to Enable SSL 3.0 Picture 4
    Type tls into the search bar. It's the wide search bar at the top of the screen. The list of options below will now be filtered to show only matching results.
  5. How to Enable SSL 3.0 Picture 5How to Enable SSL 3.0 Picture 5
    Double-click security.tls.version.max.
  6. How to Enable SSL 3.0 Picture 6How to Enable SSL 3.0 Picture 6
    Enter 0 as the integer value.
  7. How to Enable SSL 3.0 Picture 7How to Enable SSL 3.0 Picture 7
    Click OK. SSL 3.0 support is now enabled in Firefox.
Method 2 of 3:

Chrome for Windows

  1. How to Enable SSL 3.0 Picture 8How to Enable SSL 3.0 Picture 8
    Open Chrome on your PC. You'll usually find it in the All Apps area of the Start menu.
    1. This method will only work on a PC.
  2. How to Enable SSL 3.0 Picture 9How to Enable SSL 3.0 Picture 9
    Click ⁝. It's at the top-right corner of Chrome.
  3. How to Enable SSL 3.0 Picture 10How to Enable SSL 3.0 Picture 10
    Click Settings. It's near the bottom of the menu.
  4. How to Enable SSL 3.0 Picture 11How to Enable SSL 3.0 Picture 11
    Scroll down and click Open proxy settings. The Internet Properties screen will appear.[1]
  5. How to Enable SSL 3.0 Picture 12How to Enable SSL 3.0 Picture 12
    Click the Advanced tab.
  6. How to Enable SSL 3.0 Picture 13How to Enable SSL 3.0 Picture 13
    Scroll down and check the box next to 'Use SSL 3.0.' It's toward the bottom of the list.
  7. How to Enable SSL 3.0 Picture 14How to Enable SSL 3.0 Picture 14
    Click OK.
  8. How to Enable SSL 3.0 Picture 15How to Enable SSL 3.0 Picture 15
    Restart your PC when prompted. Once Windows starts back up, SSL 3.0 will be supported in Chrome.
Method 3 of 3:

Microsoft Edge and Internet Explorer for Windows

  1. How to Enable SSL 3.0 Picture 16How to Enable SSL 3.0 Picture 16
    Press ⊞ Win+S. This opens the search bar.
  2. How to Enable SSL 3.0 Picture 17How to Enable SSL 3.0 Picture 17
    Type internet options. A list of matching results will appear.
  3. How to Enable SSL 3.0 Picture 18How to Enable SSL 3.0 Picture 18
    Click Internet Options.
  4. How to Enable SSL 3.0 Picture 19How to Enable SSL 3.0 Picture 19
    Click the Advanced tab. A list of check boxes will appear under the 'Settings' header.
  5. How to Enable SSL 3.0 Picture 20How to Enable SSL 3.0 Picture 20
    Scroll down and check the box next to 'SSL 3.0.'
  6. How to Enable SSL 3.0 Picture 21How to Enable SSL 3.0 Picture 21
    Click Apply. It's at the bottom of the window.
  7. How to Enable SSL 3.0 Picture 22How to Enable SSL 3.0 Picture 22
    Click OK. It's next to the Apply button.
  8. How to Enable SSL 3.0 Picture 23How to Enable SSL 3.0 Picture 23
    Restart your PC as prompted. Once Windows starts back up, Edge and Internet Explorer will both support SSL 3.0.
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