Oct 17, 2017 I have to set the default telephone app on 10 iMacs and don't want to register 10 iCloud-accounts just to do the facetime login and being able to open the preferences there. That's ridiculous. Installed RCDefaultApp and set the default telephone app there but the phone-icon in contacts application is still greyed-out. Jul 04, 2020 One of the slides in the WWDC presentation featured a block that announced users will be able to change their default browser and default email app. Support for changing default apps is a long. Jul 14, 2020 Apart from restricting websites, Screen Time can also be used to block apps, set time limits on app use, iTunes & App Store purchases, playback of explicit music, limit social networking use, app installations, and a lot more, not only on the Mac, but also on iPhone and iPad. This functionality has made it a lot easier for parents to keep a. Oct 04, 2019 Now, apps started through Terminal are also checked. These files get the same malware scan, signature check, and local security policy check. The difference: even on the first run, you only need to explicitly approve software launched in bundles, like a standard Mac app bundle, not for standalone executables or libraries. Best software to premanently delete files on a mac. Sep 05, 2019 By default, your Mac will open it with TextEdit, Apple’s built-in simple text-editing app. To change that, Ctrl+click the file in question, then click Get Info. To kill a app in mac os. This will bring up a new window.
Over the years, Apple has put its vast resources into making it's operating systems more secure for end-users. In macOS Catalina, the company has taken this to all-new levels by introducing beneficial security changes that make it even harder for miscreants to play havoc with our computers. However, because security is a tricky business, so-called improvements for some might not work for others. Specifically, Apple's decision to make Gatekeeper even more difficult crack is a significant step forward for everyday Mac users. For developers, perhaps not so much. Luckily, there's a workaround.
Warning: This terminal trick disables important security aspects of Gatekeeper, which leaves your Mac vulnerable to malware. We highly recommend you reinable the default security settings if you chose to follow this guide at your own risk.
What is Gatekeeper?
Gatekeeper has been an essential part of macOS for years. As its name suggests, the tool has been designed to check recently downloaded apps for known malware and sends it to quarantine. In his June article, The Great Mac Balancing Act, Rene Ritchie explains:
Currently, when you download an app, whether it's off the Store or the Web or even from AirDrop, that app is quarantined. If and when you try to open a quarantined app, Gatekeeper checks it for known malware, validates the developer signature to make sure it hasn't been tampered with, makes sure it's allowed to run, for example matches your settings for App Store apps and/or known developer apps, and then double checks with you that you really want to run the app for the first time, that it's not trying to pull a fast one and autorun itself.
Until now, Gatekeeper didn't take the same approach with apps launched via Terminal. It also didn't check non-quarantined apps and files for malware. In other words, it checked an app only once for malware.
Significant changes have arrived with macOS Catalina.
Now, apps started through Terminal are also checked. These files get the same malware scan, signature check, and local security policy check. The difference: even on the first run, you only need to explicitly approve software launched in bundles, like a standard Mac app bundle, not for standalone executables or libraries.
With macOS Catalina, perhaps more significantly, Gatekeeper will also check non-quarantined apps and files for problems. Not just once or twice, but every time you run it. When your Mac detects a problem, it blocks the file, then sends you an alert.
If all this sounds fantastic to you, terrific. That's undoubtedly Apple's intent. However, some developers might view this differently and find the changes cumbersome, at best.
A Workaround
Even though Gatekeeper in macOS is now stricter than ever, there is a way around it -- including macOS Catalina's newest tools. The workaround makes it possible to download and use apps downloaded from anywhere on macOS Catalina and earlier versions without a check.
First published in 2016 by OSX Daily, but still valid, the 'fix' works like this:
- Be sure to exit System Preferences on your Mac.
- On Finder, click Go.
- Select Utilities.
- Double-click Terminal.
- Type of the following command syntax:
sudo spctl --master-disable
. - Hit Return
- Authenticate with an admin password.
- Hit Return.
- Exit Terminal.
Changing your settings
Now, it's time to allow your Mac to open any app.
- Click on System Preferences on your Mac Dock.
- Choose Security & Privacy.
- Tap the lock at the bottom left of the screen.
- Enter your password to unlock Security and Privacy.
- Choose the Anywhere under Allow apps downloaded from. Prior to making the change, this option wasn't available.
- Click the unlocked lock to keep the change.
With this change, Gatekeeper no longer monitors your computer for malware coming from apps and files.
Restoring to the original setting
If you'd like to return to the default Gatekeeper settings, perform these steps:
- Be sure to exit System Preferences on your Mac.
- On Finder, click Go.
- Select Utilities.
- Double-click Terminal.
- Type of the following command syntax:
sudo spctl --master-enable
. - Hit Return
- Authenticate with an admin password.
- Hit Return.
- Exit Terminal.
View the change
To confirm your Mac has returned to the default settings:
- Click on System Preferences on your Mac Dock.
- Choose Security & Privacy.
Under Allow apps downloaded from, notice the select is now App Store and identified developers.
Should you make this switch?
For nearly every Mac user, there's no reason to make the listed change under Security & Privacy on macOS Catalina. It should only be performed if you can quickly determine whether apps are legitimate or not. Keep this in mind.
Questions?
If you have any questions or concerns about Gatekeeper or the rest of the macOS Catalina update, let us know in the comments below.
macOS Catalina
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WWDC 2020 has come and gone, and while there is a lot to unpack for the consumer side, there is a considerable amount to unpack on the enterprise side as well. One of my favorite slides of the entire keynote is where they show the grab bag features that didn’t make air time but are often very important. This year, one of the key things I noticed for enterprise and K–12 customers was the ability to set default email and browsers on iPad and iPhone. What does this mean for enterprise and K–12 customers as they look ahead to iOS 14?
About Apple @ Work: Bradley Chambers has been managing an enterprise IT network since 2009. Through his experience deploying and managing firewalls, switches, a mobile device management system, enterprise-grade Wi-Fi, 100s of Macs, and 100s of iPads, Bradley will highlight ways in which Apple IT managers deploy Apple devices, build networks to support them, train users, stories from the trenches of IT management, and ways Apple could improve its products for IT departments.
As part of iOS 14 and iPadOS 14’s new features, users will be able to change their default app preferences for the first time. Details are currently not known, and the feature is not in the first round of developer betas. One of the slides in the WWDC presentation featured a block that announced users will be able to change their default browser and default email app. Support for changing default apps is a long-requested feature, as iOS 13 and prior versions of the operating system will always direct taps on links to Safari instead of Chrome, and new emails start in Apple Mail over an app like Spike.
Can default apps be set via MDM payload?
When I first saw the feature, the first thing that came to my mind was whether it could be set via an MDM payload? If it can, then it’s going to be a heavily used feature for enterprise and K–12 customers. On the email side, I could see organizations that use Microsoft 365 will want to set Microsoft Outlook as the default email app on corporate devices. Schools that use G Suite might want to set the Gmail app as the default email app to simplify setup and onboarding.
On the browser side, I could see a new generation of K–12-focused browsers that have more robust content filtering than Safari provides regardless of the network. Since you can disable Safari via MDM, schools could send devices home (especially if Distance Learning makes a return in the fall) without worrying about the security systems on the student’s network. On the enterprise side, I could see a similar approach to email. Organizations might install either Chrome or Microsoft Edge for iOS to sync bookmarks over from their desktop counterparts.
I am looking forward to learning more about the new mobile device management APIs in iOS 14 and macOS Big Sur in the coming months. As I learn more, I’ll continue to provide the latest updates.
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