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Gatekeeper Already Present in OS X 10.7.3, Available for Developer Testing

With developers needing to prepare for Apple's new Gatekeeper feature in OS X 10.8 Mountain Lion, Apple has revealed that the functionality is already baked into OS X 10.7.3 but hidden by default. Apple has instructed developers that they can enable Gatekeeper on OS X 10.7.3 from the command line in order to test the functionality.
Mac OS X users will soon have the option of turning on Gatekeeper, a new Mac OS X security feature. When a user does this, the system provides an additional measure of safety: it blocks that user from opening newly-downloaded applications that are not Developer ID–signed. In this scenario, the same user is easily able to launch downloaded applications that are Developer ID–signed.

By default, Gatekeeper is not enabled in Mac OS X v10.7.3. For testing purposes, you can turn it on by using the new Mac OS X system policy control command-line tool, spctl(8).
Running the command "sudo spctl --enable" in Terminal will enable Gatekeeper on OS X 10.7.3, and the system can be turned off by replacing "enable" with "disable". With the system enabled, developers can then test how their applications will behave on systems using Gatekeeper.


Warning for non-signed application download with Gatekeeper activated on OS X 10.7.3

Regular users obviously would have little use for activating Gatekeeper on their Lion systems at the present time, as developers have not yet had a chance to begin distributing updated versions of their applications integrating the new Developer-ID functionality. But its inclusion in OS X 10.7.3 is an interesting tidbit that will help developers test their applications with the new program and explains why the new Xcode 4.3 that supports Developer-ID requires OS X 10.7.3.

In another sign of Apple's desire to quickly implement Gatekeeper, Panic's Cabel Sasser notes that Apple contacted select developers last week to invite them to learn more about the feature.

Top Rated Comments

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28 months ago
Wow! MacRumors sure bears its name today!

Me love it!
Rating: 19 Positives
28 months ago

This is ridiculous. An obvious money grabbing attempt by making users (by default) go through their App Store to get their software and system updates.


It looks really difficult to turn gatekeeper off too :rolleyes:
Rating: 16 Positives
28 months ago

Wait, how is this going to work with open-source stuff that you compile yourself?


You turn off Gate Keeper.

But, the software may not be safe. It may trash your hard disk and steal your girlfriend. :D
Rating: 12 Positives
28 months ago
I figured it would come to this. Apple doesn't need to lock OS X down to App Store only. Savvy users will get around it anyway. Instead, they continuously make it more and more likely that clueless users (the majority of all computer users, Apple or otherwise) won't know the difference. This will only make them scared of anything outside the App Store, which means they won't get anything that isn't in the App Store if they can help it, which means developers of just about anything commercial that isn't already huge (ie, Adobe, Microsoft, etc) will be forced to use the App Store or remain a niche for the savvier users. Way to go, Apple. Steve may be gone, but his spirit lives on.

Sigh...I almost wonder if I should make the move to a good Linux distro. Almost. I'm not there yet, but if Apple continues this trend, I probably will be. It's almost like Apple is TRYING to drive the savvy users away from the platform.
Rating: 11 Positives
28 months ago
I like the idea. Apple is preparing for the Windows style virus that are slowing starting to arise.
Rating: 10 Positives
28 months ago

I like the idea. Apple is preparing for the Windows style virus that are slowing starting to arise.


Virus =/= malware
Rating: 10 Positives
28 months ago
This is ridiculous. An obvious money grabbing attempt by making users (by default) go through their App Store to get their software and system updates.
Rating: 9 Positives
28 months ago

Consumers don't use open-source software...

Yeah, because nobody ever uses Firefox, right? Chrome isn't built on open source either, is it? Hell, OS X doesn't have large chunks of open source software, oh no!

What utter crap. Consumers probably don't realize that they use open source software or know what it is, but they do use it. Consumers won't be compiling their own stuff, but they can download Firefox.
Rating: 8 Positives
28 months ago

Wow! MacRumors sure bears its name today!

Me love it!


Aye, poor Eric is working overtime today!
Rating: 8 Positives
28 months ago
"You should move it to the Trash". Wow, that's a bit harsh. Should I also piss on it and kick it first?
Rating: 8 Positives

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