Improve mesh firewall to block common bad guys

src/freedombone-utils-firewall

@@ -360,6 +360,32 @@ function mesh_firewall {
     FIREWALL_FILENAME="${rootdir}/etc/systemd/system/meshfirewall.service"
     MESH_FIREWALL_SCRIPT=${rootdir}/usr/bin/mesh-firewall
 
+    if ! grep -q 'telemetry.mozilla' ${rootdir}/etc/hosts; then
+	echo '127.0.0.1       telemetry.mozilla.org' >> ${rootdir}/etc/hosts
+	echo '127.0.0.1       incoming.telemetry.mozilla.org' >> ${rootdir}/etc/hosts
+    fi
+
+    if ! grep -q 'facebook' ${rootdir}/etc/hosts; then
+	echo { echo '127.0.0.1       www.facebook.com';
+	       echo '127.0.0.1       facebook.com';
+	       echo '127.0.0.1       static.ak.fbcdn.net';
+	       echo '127.0.0.1       www.static.ak.fbcdn.net';
+	       echo '127.0.0.1       login.facebook.com';
+	       echo '127.0.0.1       www.login.facebook.com';
+	       echo '127.0.0.1       fbcdn.net';
+	       echo '127.0.0.1       www.fbcdn.net';
+	       echo '127.0.0.1       fbcdn.com';
+	       echo '127.0.0.1       www.fbcdn.com';
+	       echo '127.0.0.1       static.ak.connect.facebook.com';
+	       echo '127.0.0.1       www.static.ak.connect.facebook.com'; } >> ${rootdir}/etc/hosts	
+    fi
+    
+    if ! grep -q 'google' ${rootdir}/etc/hosts; then
+	{ echo '127.0.0.1       www.google-analytics.com';
+	  echo '127.0.0.1       google-analytics.com';
+	  echo '127.0.0.1       ssl.google-analytics.com'; } >> ${rootdir}/etc/hosts
+    fi    
+    
     { echo '#!/bin/bash';
       echo 'iptables -P INPUT ACCEPT';
       echo 'ip6tables -P INPUT ACCEPT';