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- Click Firefox > Preferences...
- Click Content > Exceptions...
Expand title Click here to view a screenshot... Your secure test website should appear in the Site column, and Allow should appear in the Status column.
Expand title Click here to view a screenshot... If you do not see your secure test website in the Site column with an Allow status, type your secure test website in to the Address of website: field, and click Allow.
Click Save Changes.
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