If the user is tied to a specific machine you can block access for that machine at the firewall. Though this will be defeated if the user can change the IP address of the machine he is on. If you're using Active Directory, you could disable the user's account and then remotely boot him off any machine he may be logged into. Jump to How to restrict website access with parental controls on the Mac - How to restrict website access with parental controls on the Mac. Click on the Apple icon in the far left corner of your Mac's screen. Select System Preferences from the dropdown menu. Click on Parental Controls. Click the lock in the bottom left of the Parental Controls window.

Choose System Preferences from the Apple menu. Click Security. Click the Firewall tab. Choose the third mode: 3. Set access for specific services and applications You can click the '+' button to add an application to this list. You can select an application and click the '-' button to remove it. Control-clicking on the application name gives you the option to reveal the application's location in Finder.

Once you've added an application to the list, you can choose whether to allow or deny incoming connections for that application. You can even add command line applications to this list.

Keepsafe VPN. Keepsafe VPN was released for Android and iOS devices in their respective stores recently. As expected, this VPN received a huge applaud from the customers because of its clean interface and plethora of features it offers. Keepsafe vpn for mac. Download Keepsafe VPN for PC Windows 10 and Mac. The App Itself! If you use free, public WiFi hotspots, your personal data is susceptible to hackers who may be lurking on the network. The Keepsafe VPN app automatically secures your connection as you access public WiFi hotspots or cellular data networks. Mac users: For BlueStacks, click on the Search icon and type the name as “Keepsafe VPN“ and then click on the Search using Google Play. Upon finding the game in Play Store, install it. Upon finding the game in Play Store, install it.