Does anybody have some pointers or information when it comes to the technical and security implementation of Apple's built-in screen sharing feature, the one where you start the Screen Sharing app and type in an Apple ID? I can't seem to find any solid info on it. I'd like to make a security assessment on this for my org, with the possible goal of using it for remote assistance. Catalina or newer versions of MacOS.
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I'm trying to figure out if the screen sharing data is encrypted when I connect to my Mac at home from another Mac at work. I've seen a lot of questions and answers but I can't really find a definitive answer. Basically, I just have my Mac sitting at home with Screen Sharing turned on and I'm port-forwarding 5900. It works but again, I'd like it to be secure.   Now, before anyone mentions SSH tunneling, I had it set up the first day I tried this (Remote Login, port-forwarded 22, tunnel created, etc) but then it stopped working. I'm still trying to figure out what's going on there but if Screen Sharing is completely encrypted, then I'm not going to worry about the tunnel anymore.
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Now days there are multiple viable share icons available, but they are mostly mobile OS specific (iOS, WP, Android...). I wonder which icon should I use for the web that most of the users would recognize?    Image source:   Has anyone done any A/B tests on how users respond to different ones?   Its a simple album page where you can get links for each album/image and then share it with a friend, nothing special, just popup on click of an icon.
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I just bought a used macbook air 2015 I made a system restore... and was confident the mac is not stolen because of these checks  1- there were no icloud on the computer, and I was able to add my own iCloud normally.  2- the mac firmware had no password  but now, I see something that I have never seen before  I keep seeing this message, always skipping it    1- what are the consequences of allowing DEP, and is it reversible?   2- how to contact the person who has DEP and ask them to remove it from the program?  3- when buying a new mac, how to know if it's on DEP? (the most important question)  4- someone on IRC said that if i was unable to authorize my machine from itunes then the machine is on DEP.. is this correct?  5- the same person on IRC says that there could be a previous owner, and this owner can format my computer and see all of my files even if i have my own icloud on it, is this correct?  the person who sold it to me imported 60 macs from a closed startup in sweden, I can return it to the seller and get my money back, but I really need an answer for these questions...
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System:  2011 iMac, built-in microphone, Mountain Lion.  This is a two part question.  First the more basic scenario, second the more-niche scenario that I hope to ultimately solve.  I want to share my Mac audio over Skype, while still being able to simultaneously talk to the person on the other end of the call.  As of yet, every combination of options I have tried (dozens) involving Soundflower, aggregated devices, and even LineIn.app has completely failed.    So firstly, what are the precise steps needed to get my Mac audio (say, youtube videos playing in a browser...) to transmit over Skype along WITH my voice from the built-in Mic?  Now for the ultimate solution I hope to achieve.  I want to be able to collaborate musically with other parties, using a program called Reason from Propellerhead Software.  Reason has its own audio interface setting - a single setting for both input and output.  I use the Propellerhead's own audio interface called "Balance" as my audio device for the software, providing my physical I/O as well as a headphone mix.  I want to be able to merge the audio output of Reason, along with my voice via the built-in mic of the Mac, and send them together over Skype so that the other person can hear what I'm doing in reasonable fidelity (subject to Skype's limitations, of course).  Can anyone provide the exact steps to share Reason's audio along with my mic, over Skype?  If 3rd party software beyond SoundFlower/LineIn is required, I'm OK with that... though this should work with just SoundFlower even.  I even had it working a couple months ago but can't seem to replicate the result again.
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Here's the situation: I often access my Mac Pro remotely using Screen Sharing and sometimes TeamViewer. The problem is that when I do this, everything I'm doing can be seen by those near the physical computer. It also uses a considerable amount unnecessary power to have the displays on but not actually being used.  Is there a way to turn them off and not just blank if possible, while still using Screen Sharing or TeamViewer Free?
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I'm creating the UI for a web application which will mainly run on Macs. So my goal is to preserve the look and feel of Mac OS. But since I don't use Apples Frameworks I'm not allowed to use their UI design. So my question is: how closely am I allowed to copy their design without violating copyrights?  Do you think this is still legitimate?
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Is there a way to block a list of specific apps on macOS?  I have looked up solutions such as Cisdem, but there are some holes in the way it works that I don't like.   Unless you also block Activity Monitor, Terminal, and System Preferences, you can simply quit the Cisdem process or create a new user to get around it. You have to block Activity Monitor, Terminal, and System Preferences to make it work well.   I want to block an app from running or even being installed on my Mac. The app can be installed via the App Store and the web. Not sure how to go about this. Enabling Parental Controls won't work as Administrator privileges are needed.   The specific app I want to block is Apple Configurator.  Any ideas?
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I logged into my iCloud account from a fresh install of macOS Sierra. I had a very old version of ScreenFlow (from 2011) under Purchases in the App Store. Installing it worked. When I try to open it (from the App Store or from Spotlight), it says it's incompatible and offers me to search for a newer version.   Now how do I remove this old installed version? The App Store only shows me an "Open" button under Purchases, but I can't click on the icon to take me to a details page with an option to uninstall it.  It's harmless to just leave it there, but besides taking up a little disk space for nothing, it pollutes the Spotlight search index and just makes me feel my computer a little "dirty".
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Can a Mac be used by different users at the same time?  I mean to say that we have a single Mac but 3 users. Can they access the same machine remotely at the same time for developing applications on iPhone or Mac?  Does Mac OS X server allow us to do this?  If so, how do I configure it for that?
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There's a serious problem that's come up especially in Mojave and Apple seems to not really be interested in resolving this from my discussions with engineers in the know. It especially manifests itself when opening certain apps and subprocesses therein (two examples are python and emacs). This didn't seem to be so much of a problem initially in Mojave, but it's getting worse and it most certainly was not a problem in High Sierra.  It appears to happen due to tccd ( ; there are many mentions of these issues in obscure spots around) somehow generating some additional overhead that wasn't present before in previous OS releases.  While Apple may consider this to be acceptable, there are many of us who are struggling with the additional time that it's adding to process spawning.  This seems to be able to be reproduced via any app that's existent under any of the sections under System Preferences → Security &amp; Privacy → Privacy.
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My Apple-ID (e.g., on  ) is set up to require entry of a 6-digit code sent to my registered Apple products.  This code is being sent to the same device I'm currently requesting to log in. I feel this absolutely defeats the purpose of this 2-Factor Authentication: If a person knows my password, this person can receive the code on that device, and access my apple account without any problems.  Is this a bug or can I set up / change how this security step works?
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I did sign up for Apple's Public Beta program but was too late and missed out on the Developer Preview as they were offered to only the first one million sign-ups. Anyway, today I just managed to grab a copy off a torrent site and it's now lying on my computer.  Now before I proceed to install it, I would like to know what happens to me when Apple releases future beta updates. Will I be able to just update my OS as a regular copy or will I again need to search for and download an updated copy off the torrent? What happens when Apple finally releases the official copy come fall? Will I be able to just hit the Software Update option in the Apple menu and get it done or will I have to download the whole shebang all over again?  P.S. I understand there are risks involved with installing Dev Previews and am not worried about them. Thanks.
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I would like to know, is there a way to control your iPad with your Mac remotely (be able to see and manipulate iPad's desktop on your Mac)? I know that with the TeamViewer or other programs you can control your Mac with your iPad but not vice versa.
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When I record the screen on a Mac, how can I show keyboard typing in the same image (as shown below)?    Is there particular screen recording software or settings that will do this?
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I was trying to achieve this using a second account (which is the admin account) and Parental Controls, but it seemed this isn't possible to do so.  I know there are some programs which you can download that help you with this, (Cold Turkey, for example). But, it would be much easier if I could do this using only tools already available on macOS.
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I am setting up a server where there are multiple developers working on multiple applications.  I have figured out how to give certain developers shared access to the necessary application directories using the setgid bit and default ACLs to give anyone in a group access.  Many of these applications run under a terminal while in development for easy access. When I work alone, I set up a user for an application and run screen as that user. This has the downside that every developer to use the screen session needs to know the password and it is harder to keep user and application accounts separate.  One way that could work is using screen multiuser features. They do not work out-of-the-box however, screen complains about needing suid root. Does giving that have any downsides? I am pretty careful about using suid root anything. Maybe there is a reason why it isn't the default?  Should I do it with screen or is there some other intelligent way of doing what I want?
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What is the reasoning behind the design decision to allow users to create a display name which matches another existing users exactly?    This is opposed to the common practice of enforcing unique user names, and I'd really like to learn something.