ufw docker rules

deploy.yml

@@ -31,3 +31,15 @@
       apt:
         name: python3-pip
         state: latest
+
+
+    - name: add docker rules to ufw
+      blockinfile:
+        path: /etc/ufw/after.rules 
+        marker_begin: BEGIN UFW AND DOCKER
+        marker_end: END UFW AND DOCKER
+        state: present
+        block: "{{ lookup('ansible.builtin.file', 'ufw-docker.rules') }}"
+      tags:
+        - ufw
+

files/ufw-docker.rules

@@ -0,0 +1,25 @@
+*filter
+:ufw-user-forward - [0:0]
+:ufw-docker-logging-deny - [0:0]
+:DOCKER-USER - [0:0]
+-A DOCKER-USER -j ufw-user-forward
+
+-A DOCKER-USER -j RETURN -s 10.0.0.0/8
+-A DOCKER-USER -j RETURN -s 172.16.0.0/12
+-A DOCKER-USER -j RETURN -s 192.168.0.0/16
+
+-A DOCKER-USER -p udp -m udp --sport 53 --dport 1024:65535 -j RETURN
+
+-A DOCKER-USER -j ufw-docker-logging-deny -p tcp -m tcp --tcp-flags FIN,SYN,RST,ACK SYN -d 192.168.0.0/16
+-A DOCKER-USER -j ufw-docker-logging-deny -p tcp -m tcp --tcp-flags FIN,SYN,RST,ACK SYN -d 10.0.0.0/8
+-A DOCKER-USER -j ufw-docker-logging-deny -p tcp -m tcp --tcp-flags FIN,SYN,RST,ACK SYN -d 172.16.0.0/12
+-A DOCKER-USER -j ufw-docker-logging-deny -p udp -m udp --dport 0:32767 -d 192.168.0.0/16
+-A DOCKER-USER -j ufw-docker-logging-deny -p udp -m udp --dport 0:32767 -d 10.0.0.0/8
+-A DOCKER-USER -j ufw-docker-logging-deny -p udp -m udp --dport 0:32767 -d 172.16.0.0/12
+
+-A DOCKER-USER -j RETURN
+
+-A ufw-docker-logging-deny -m limit --limit 3/min --limit-burst 10 -j LOG --log-prefix "[UFW DOCKER BLOCK] "
+-A ufw-docker-logging-deny -j DROP
+
+COMMIT