How to enable Firewall and Stealth mode
- Open System Preferences, click Network, then Firewall.
- Toggle Turn On Firewall.
- Click Options..., scroll to the bottom, and toggle Enable stealth mode.
If you have issues with Pareto incorrectly reporting Firewall status, try resetting the permissions.
How to reset Firewall permissions
- Open Pareto Security and go to Preferences → Permissions.
- Click the Remove button for Firewall Access.
- Click Authorize to re-grant the permissions.
If that doesn't resolve the issue, try the Terminal commands described below.
How to reset Firewall from Terminal
- Open Terminal.
- Check current firewall status:
/usr/libexec/ApplicationFirewall/socketfilterfw --getglobalstate - Check stealth mode status:
/usr/libexec/ApplicationFirewall/socketfilterfw --getstealthmode - Disable stealth mode:
sudo /usr/libexec/ApplicationFirewall/socketfilterfw --setstealthmode off - Disable the firewall:
sudo /usr/libexec/ApplicationFirewall/socketfilterfw --setglobalstate off - Re-enable the firewall:
sudo /usr/libexec/ApplicationFirewall/socketfilterfw --setglobalstate on - Re-enable stealth mode:
sudo /usr/libexec/ApplicationFirewall/socketfilterfw --setstealthmode on