* nftables filter
* Focus on servers and desktops
* Geo-IP blocking
* Status: Proof of concept
* Sources: http://ipdeny.com/ || https://www.iblocklist.com/
* apt-get install nftables libnet-ipv6addr-perl libnet-patricia-perl libregexp-ipv6-perl libjson-perl libnet-ip-perl
* sudo make install # Just a bunch of copy statements
Or
* make debian # This command creates an installable package for Debian
* make ubuntu # This command creates an installable package for Ubuntu
* Go to /etc/feuerland and copy one of the examples to /etc/feuerland/config.json
* Run `feuerland`. The firewall script gets printed to stdout.
* Run `sudo feuerland | sudo bash` to install the script.
* Run `dmesg | feuerlog -n` to see what is going on.
* Use `feuerlist --target apache24 ipdeny/DE rfc1918 localhost` to create an Apache-2.4 ACL