We understand that you need help with Firewall on your Mac. Are you saying that the settings you've configured aren't saved after you restart? We just want to be sure we're on the same page with you. If you need assistance to use Firewall to block connections, you can follow the steps outlined here: Block connections to your Mac with a firewall I personally say: - Firewall -- OS X has a fine incoming firewall based on the ipfw technology built in. If you trust the apps you use, then this is all you need. It's in Sys Prefs -> Sharing -> Firewall, I believe (not in front of a Mac). Or you can spotlight it by typing firewall into the spotlight bar in the sys prefs window. I have a router hooked up to a fiber-optical connection. I have three Macs and one PC hooked up to the router. Two of the Macs are OSX and one is OS8.6 (don't use it much). Do I need a firewall and if so, what should I buy? If you're not, a mesh Wi-Fi network gives you multiple pieces of identical hardware that work well with each other, meaning you only need to configure one system. More importantly, mesh Wi-Fi systems install security updates automatically, and to all pieces of your network. This means security flaws, like the KRACK vulnerability revealed a few Any internet connection you have requires a firewall. If you still have an office with an internet connection in it, you need a firewall to protect any device plugged in in that office from the internet. That firewall could be a $40 TP-Link router off Amazon, or it could be a $4000 HA Fortigate setup. That all depends on your exact requirements. Why do you think a network management tool should be turned on by default? Most people do not need to isolate parts of their network from certain devices or users. Assuming you are connected to a network behind a NAT router, your Mac is already isolated from the Internet. The firewall would not provide any added isolation. mI0waJ. Why do you think a network management tool should be turned on by default? Most people do not need to isolate parts of their network from certain devices or users. Assuming you are connected to a network behind a NAT router, your Mac is already isolated from the Internet. The firewall would not provide any added isolation. Yes, you most certainly do need a firewall/virus protection. Use the built in Windows firewall (does the job), and use something called AVG antivirus Free Edition. Step 5: Once unlocked, click on “Turn On Firewall.” On previous Mac versions, you might see a “Start” button. Press either of these, and it will allow Chrome access to Mac’s network firewall. Today's best Bitdefender antivirus for Mac deals. Bitdefender Antivirus For Mac - Yearly. $29.99. /year. Bitdefender Total Security. $49.99. 1st 2 years. Bitdefender Total Security - 2 Years. $154.99. To change these settings, choose Apple menu > System Settings, click Network in the sidebar, click a network service on the right, click Details, then click Proxies. (You may need to scroll down.) Configure proxy server settings automatically. Use a proxy auto-configuration (PAC) file. Enter the address of the PAC file in the URL field. Today's operating systems, however, do tend to provide rather good built-in software firewalls, so a router might not be neededbut it would somewhat depend on which version of the OS the person

do i need firewall on mac