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Where is the FF4 "lock" icon that indicates secure and encrypted transmission?

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Prior to FF4 upgrade, a 'lock' icon would appear on bottom of screen to indicate when of if transmission was secure. With FF4 this icon never appears (or I don't know where to find it). Does it have a new location? Is there some way to have it return for those sites with which transmission will be encrypted?

Prior to FF4 upgrade, a 'lock' icon would appear on bottom of screen to indicate when of if transmission was secure. With FF4 this icon never appears (or I don't know where to find it). Does it have a new location? Is there some way to have it return for those sites with which transmission will be encrypted?

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The lock has been replaced by the How do I tell if my connection to a website is secure?, which will tell you whether the connection is encrypted and the identity of the web site on the other end of the connection.

The reason for this change is that it is important to verify identity, not just security. The "lock" icon could be misleading, because an encrypted connection is not actually secure unless the identity is verified too.