- change AP firewall back to script, now using netfilter (requ raspbian 10)

- install netfilter packages on AP nodes

roles/common/vars/os_Raspbian_11.yml

@@ -0,0 +1,27 @@
+---
+dependency_packages:
+  - expect
+  - ftp
+  - cadaver
+  - iperf
+  - iperf3
+  - libpcap0.8
+  - libsctp1
+  - libsctp-dev
+  - libncurses-dev
+  - libssl-dev
+  - libpcap-dev
+  - vim
+  - mc
+  - smbclient
+  - ncurses-dev
+  - build-essential
+  - openvpn
+  - lightdm
+  - lxde
+  - realvnc-vnc-server
+  - aptitude
+  - chromium-browser
+  - raspberrypi-ui-mods
+  - mtr
+  - screen