- #NETWORK PROXIES FOR MAIL PROGRAM ON MAC SOFTWARE#
- #NETWORK PROXIES FOR MAIL PROGRAM ON MAC CODE#
- #NETWORK PROXIES FOR MAIL PROGRAM ON MAC MAC#
You frequently have to reboot as you're developing your extension. This is in contrast to Kernel Extensions which are notoriously difficult to develop and debug. You can use all the regular tools you use to develop any regular app - Xcode, LLDB, Instruments. Another similarity with app extensions and system extensions is that system extensions are very easy to develop and debug. The operating system will run your system extension as needed. Also you don't need to worry about starting and stopping your system extension. So this is great because it means you don't need to write any customer installer package to place your system extensions somewhere in a file system, and you don't need to write an uninstaller to remove your system extension when the user uninstalls your app. Like app extensions, system extensions are packaged inside of your app and they're completely managed by the operating system.
So system extensions share a lot of similarities with app extensions.
#NETWORK PROXIES FOR MAIL PROGRAM ON MAC CODE#
These are bundles of executable code that you can use on macOS to extend and customize various aspects of the macOS user experience. Now you're probably familiar with app extensions. So to satisfy these runtime requirements in user space, we've introduced a new technology in macOS Catalina called System Extensions. So it's running all the time and it's running even when there's no user logged into the system. Now, when you've implemented your content filter code inside of a Kernel Extension, these runtime requirements are obviously met because your code is running in the Kernel.
#NETWORK PROXIES FOR MAIL PROGRAM ON MAC MAC#
In your Personal Firewall App, your app needs to be doing its job of protecting the Mac from incoming attacks coming in over the network even if there's no user logged into the system. Your code needs to be running all the time, and it needs to be running even when there's no user logged into the system.įor example, in your Parental Controls App, you app needs to be doing its job of blocking access to inappropriate websites even when your app isn't actually running. So the code in your Content Filter App that is actually filtering network traffic has some specific runtime requirements. So before I talk about the APIs we've added that allow you to create Content Filter Apps, I want to talk about some particular runtime requirements that Content Filter Apps have. This is an app that focuses on web-browsing activity and blocks access to websites that are deemed inappropriate for children.Īnother example of a Content Filter App is an app that doesn't actively block any network traffic but instead just keeps a record of network activity on the Mac so that that log of no activity can be analyzed later, for example, to determine when some sensitive data was transmitted. These are apps that examine the network traffic as it's flowing through the system and block traffic that's deemed to be malicious in some way.Īnother example of a Content Filter App is a Parental Controls App. One example of a Content Filter App is a Personal Firewall App. So let's go ahead and get started.įirst, I want to talk about Content Filter Apps. So today I want to take you on a journey for each one of these app categories and talk about all the great new APIs we've added in macOS Catalina that allow you to create apps in these categories without using Network Kernel Extensions. We've taken your feedback, and we came up with a set of categories of apps where on a macOS Mojavi and earlier you really need to use Network Kernel Extensions to fully implement apps in these categories. Over the past few years here at WWDC we've asked you to file bugs and give us feedback about how you're making use of Network Kernel Extensions in your apps today. To start off, I want to say thank you for your feedback. And I am thrilled to be here today to tell you about a bunch of great new powerful APIs that we've added in macOS Catalina that allow you to create apps that extend and customize the networking capabilities of macOS without the use of Network Kernel Extensions.
#NETWORK PROXIES FOR MAIL PROGRAM ON MAC SOFTWARE#
I'm a Software Engineer working on Internet Technologies at Apple. Welcome to Network Extensions for Modern macOS.
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