Mac OS PF Blocklists and Hosts File update script

Run these scripts if you desire an inbound/outbound IP blocklist for your Mac. In addition, hosts file will be updated as well.

NOTE: Run these scripts at your own risk. I am not responsible if you break a Mac following any of these steps. I run this personally, so as long as there's no wonky setup on your mac, you should be ok.

Order of Operations:

• Run the "setup-anchor" file first before proceeding to the "update-emerging-threats" file
• Make the scripts executable by running "chmod +x scriptname.sh"

Functionality:

• Emerging threats Blocklists
• Hosts file blocklists
• IP blocklists do not proceed to run until internet connectivity is established. Interval is 10 seconds by default
• One-Time STIG hardening script for additional lockdown (One-time)

Future Addons:

• Append additional host lists as needed
• GeoIP Blocklists
• Run at startup
• Cronjob at 4 hour increments