![]() We can easily find out what types of data are sent to external servers, and that is why each alert in the app is able to describe what we prevented from going out by blocking the connection. This capability allows us to monitor changes in real time as trackers are added, updated, and removed from apps. The Guardian Firewall developers also decompile and examine app store apps to find out what kinds of data they are stealing/sharing, if any. And the developers behind the service seem trustworthy in my limited checking. But is it also much more effective, as you don’t have to manually block anything. This approach is less secure, or at least harder to be sure about, because you have to trust the folks behind Guardian Firewall with all your data. ![]() It also blocks connections it deems malicious or that compromise your privacy. The Guardian Firewall app, on the other hand, routes all your internet data through its own servers, and strips out any dodgy traffic. ![]() Guardian Firewall Guardian Firewall does all the hard work for you. Safari’s content blockers can block the Facebook website, and Facebook cookies, but Lockdown will stop any app - even Facebook’s own apps - from connecting to. Anything you add will be blocked, both on the web and inside apps. ![]() Lockdown, from developer Confirmed, comes with a few rules preconfigured, but it’s up to you to add new addresses to the list. Lockdown and Guardian Firewall aim to change that. The Mac has long had a user-configurable firewall, but on iOS the only built-in security tool we have is Safari’s content blocker. Why iOS needs a firewall Lockdown locks stuff down. ![]()
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