update..

host_vars/bbb-server.b3-bornim.netz.yml

@@ -180,6 +180,19 @@ samba_groups:
 
 samba_user:
 
+  - name: b3-user
+    groups:
+      - buero
+      - team
+      - fnr
+      - praktikant
+    password: '20-buero_user-22!'
+
+  - name: b3-prakti
+    groups:
+      - praktikant
+    password: '20-b3_praktikant-22%'
+  
   - name: caroline
     groups:
       - praktikant

host_vars/file-blkr.blkr.netz.yml

@@ -75,6 +75,21 @@ sshd_macs:
   - hmac-sha2-512-etm@openssh.com
   - umac-128-etm@openssh.com
 
+sshd_hostkeyalgorithms:
+  - ecdsa-sha2-nistp256-cert-v01@openssh.com
+  - ecdsa-sha2-nistp384-cert-v01@openssh.com
+  - ecdsa-sha2-nistp521-cert-v01@openssh.com
+  - ssh-ed25519-cert-v01@openssh.com
+  - rsa-sha2-512-cert-v01@openssh.com
+  - rsa-sha2-256-cert-v01@openssh.com
+  - ssh-rsa-cert-v01@openssh.com
+  - ecdsa-sha2-nistp256
+  - ecdsa-sha2-nistp384
+  - ecdsa-sha2-nistp521
+  - ssh-ed25519
+  - rsa-sha2-512
+  - rsa-sha2-256
+  - ssh-rsa
 
 # ---
 # vars used by roles/common/tasks/apt.yml

host_vars/ga-al-gw.oopen.de.yml

@@ -200,6 +200,10 @@ network_interfaces:
       - /sbin/ip route add 172.16.11.0/24 via 172.16.111.254
       - /sbin/ip route add 172.16.12.0/24 via 172.16.111.254
       - /sbin/ip route add 172.16.13.0/24 via 172.16.111.254
+      # - FritzBox Novalishaus
+      - /sbin/ip route add 172.16.80.0/24 via 172.16.111.254
+      # - DigitBox Novalishaus
+      - /sbin/ip route add 172.16.81.0/24 via 172.16.111.254
 
 
   - device: eth4

host_vars/zapata.opp.netz.yml

@@ -237,6 +237,12 @@ samba_user:
       - beratung
     password: '20_cristina_18!'
 
+  - name: dori
+    groups:
+      - buero
+      - beratung
+    password: 'K4lt3r_hUnD'
+
   - name: drucker
     groups:
       - buero

hosts

@@ -34,7 +34,7 @@ gw-b3.oopen.de
 gw-blkr.oopen.de
 gw-d11.oopen.de
 gw-flr.oopen.de
-gw-irights.oopen.de
+gw-irights.irights.netz
 gw-km.oopen.de
 gw-mbr.oopen.de
 gw-opp.oopen.de
@@ -53,7 +53,7 @@ gw-replacement2.local.netz
 k1371.dyndns.org
 
 ga-st-gw-ersatz.ga.netz
-ga-st-gw.oopen.de
+ga-st-gw-surf1.oopen.de
 ga-al-gw.oopen.de
 ga-nh-gw.oopen.de
 ga-st-lxc1.ga.netz
@@ -214,7 +214,7 @@ gw-blkr.oopen.de
 gw-d11.oopen.de
 gw-flr.oopen.de
 gw-km.oopen.de
-gw-irights.oopen.de
+gw-irights.irights.netz
 gw-mbr.oopen.de
 gw-opp.oopen.de
 gw-km.oopen.de
@@ -236,7 +236,7 @@ gw-replacement2.local.netz
 k1371.dyndns.org
 
 ga-st-gw-ersatz.ga.netz
-ga-st-gw.oopen.de
+ga-st-gw-surf1.oopen.de
 ga-al-gw.oopen.de
 ga-nh-gw.oopen.de
 
@@ -1529,7 +1529,7 @@ gw-ak.oopen.de
 gw-akb.oopen.de
 gw-ckubu.local.netz
 gw-replacement.local.netz
-gw-irights.oopen.de
+gw-irights.irights.netz
 gw-km.oopen.de
 gw-mbr.oopen.de
 gw-opp.oopen.de
@@ -1540,7 +1540,7 @@ gw-kb.oopen.de
 k1371.dyndns.org
 
 ga-st-gw-ersatz.ga.netz
-ga-st-gw.oopen.de
+ga-st-gw-surf1.oopen.de
 ga-al-gw.oopen.de
 ga-nh-gw.oopen.de
 

roles/modify-ipt-gateway-ro/tasks/main.yml

@@ -108,95 +108,219 @@
   notify:
     - Restart IPv6 Firewall
 
+- name: addjust line 'adjust_kernel_parameters' (IPv6)
+  lineinfile:
+    path: /ro/etc/ipt-firewall/main_ipv6.conf
+    regexp: '^adjust_kernel_parameters='
+    line: '#adjust6_kernel_parameters=true'
+  when: 
+      - main_ipv6_exists.stat.exists
+  notify:
+    - Restart IPv6 Firewall
+
+- name: addjust line 'protect_against_several_attack' (IPv6)
+  lineinfile:
+    path: /ro/etc/ipt-firewall/main_ipv6.conf
+    regexp: '^protect_against_several_attacks='
+    line: '#protect6_against_several_attacks=true'
+  when: 
+      - main_ipv6_exists.stat.exists
+  notify:
+    - Restart IPv6 Firewall
+
 
 # ---
-# Allow local services from ALL extern netwoks
+# Block Routers
 # ---
 
-- name: Check if String 'allow_all_ext_traffic_to_local_service..' (IPv4) is present
+- name: Check if String 'drop_syn_flood..' (IPv4) is present
-  shell: grep -q -E "^allow_all_ext_traffic_to_local_service=" /ro/etc/ipt-firewall/main_ipv4.conf
+  shell: grep -q -E "^#?drop_syn_flood=" /ro/etc/ipt-firewall/main_ipv4.conf
-  register: allow_all_ext_traffic_to_local_service_ipv4_present
+  register: drop_syn_flood_ipv4_present
   when: main_ipv4_exists.stat.exists
-  failed_when: "allow_all_ext_traffic_to_local_service_ipv4_present.rc > 1"
+  failed_when: "drop_syn_flood_ipv4_present.rc > 1"
-  changed_when: "allow_all_ext_traffic_to_local_service_ipv4_present.rc > 0"
+  changed_when: "drop_syn_flood_ipv4_present.rc > 0"
 
-- name: Adjust file '/ro/etc/ipt-firewall/main_ipv4.conf' (allow_all_ext_traffic_to_local_service)
+- name: Adjust file '/ro/etc/ipt-firewall/main_ipv4.conf' (drop_syn_flood)
   blockinfile:
     path: /ro/etc/ipt-firewall/main_ipv4.conf
-    insertafter: '^#?\s*any_access_from_inet_networks'
+    insertafter: '^#?\s*protect_against_several_attacks=true'
     block: |
 
-      # =============
+      # Protection against syn-flooding
-      # - Allow local services from ALL extern netwoks
+      #
-      # =============
+      #drop_syn_flood=false
 
-      # - allow_all_ext_traffic_to_local_service
+      # - I have to say that fragments scare me more than anything.
+      # - Sending lots of non-first fragments was what allowed Jolt2  to effectively "drown"
+      # - Firewall-1. Fragments can be overlapped, and the subsequent interpretation of such
+      # - fragments is very OS-dependent (see this paper for details).
+      # - I am not going to trust any fragments.
+      # - Log fragments just to see if we get any, and deny them too
       # -
-      # - allow_all_ext_traffic_to_local_service="local-address:port:protocol [local-address:port:protocol] .."
+      # - !! 'drop_fragments' does not work within telekom mobile connections !!
       # -
-      # - Note:
+      #drop_fragments=true
-      # - =====
+
-      # -    - Only 'tcp' and 'udp' are allowed valuse for protocol.
+      # drop new packages without syn flag
-      # -
+      #
-      # - Example:
+      #drop_new_not_sync=true
-      # -    allow extern traffic to service at 83.223.73.210 on port 1036
+
-      # -    allow extern traffic to https service at 83.223.73.204
+      # drop invalid packages
-      # -
+      #
-      # -    allow_ext_net_to_local_service="
+      #drop_invalid_state=true
-      # -       83.223.73.210:1036:tcp
+
-      # -       83.223.73.204:$standard_https_port:tcp
+      # drop packages with unusal flags
-      # -    "
+      #
-      # -
+      #drop_invalid_flags=true
-      # - Blank separated list
+
-      # -
+      # Refuse private addresses on extern interfaces
-      allow_all_ext_traffic_to_local_service=""
+      #
-    marker: "# Marker set by modify-ipt-gateway.yml (allow_all_ext_traffic_to_local_service)"
+      # Refuse packets claiming to be from a
+      #   Class A private network
+      #   Class B private network
+      #   Class C private network
+      #   loopback interface
+      #   Class D multicast address
+      #   Class E reserved IP address
+      #   broadcast address
+      #drop_spoofed=true
+
+      # Don't allow spoofing from that server
+      #
+      #drop_spoofed_out=true
+
+      # Refusing packets claiming to be to the loopback interface protects against
+      # source quench, whereby a machine can be told to slow itself down by an icmp source
+      # quench to the loopback.
+      #drop_ext_to_lo=true
+    marker: "# Marker set by modify-ipt-gateway.yml (drop_syn_flood)"
   when: 
     - main_ipv4_exists.stat.exists
-    - allow_all_ext_traffic_to_local_service_ipv4_present is changed
+    - drop_syn_flood_ipv4_present is changed
 
-- name: Check if String 'allow_all_ext_traffic_to_local_service..' (IPv6) is present
+- name: Check if String 'drop6_syn_flood..' (IPv6) is present
-  shell: grep -q -E "^allow_all_ext_traffic_to_local_service=" /ro/etc/ipt-firewall/main_ipv6.conf
+  shell: grep -q -E "^#?drop6_syn_flood=" /ro/etc/ipt-firewall/main_ipv6.conf
-  register: allow_all_ext_traffic_to_local_service_ipv6_present
+  register: drop6_syn_flood_ipv6_present
   when: main_ipv6_exists.stat.exists
-  failed_when: "allow_all_ext_traffic_to_local_service_ipv6_present.rc > 1"
+  failed_when: "drop6_syn_flood_ipv6_present.rc > 1"
-  changed_when: "allow_all_ext_traffic_to_local_service_ipv6_present.rc > 0"
+  changed_when: "drop6_syn_flood_ipv6_present.rc > 0"
 
-- name: Adjust file '/ro/etc/ipt-firewall/main_ipv6.conf' (allow_all_ext_traffic_to_local_service)
+- name: Adjust file '/ro/etc/ipt-firewall/main_ipv6.conf' (drop6_syn_flood)
   blockinfile:
     path: /ro/etc/ipt-firewall/main_ipv6.conf
-    insertafter: '^#?\s*any_access_from_inet_networks'
+    insertafter: '^#?\s*protect6_against_several_attacks=true'
+    block: |
+
+      # Protection against syn-flooding
+      #
+      #drop6_syn_flood=false
+
+      # drop new packages without syn flag
+      #
+      #drop6_new_not_sync=true
+
+      # drop invalid packages
+      #
+      #drop6_invalid_state=true
+
+      # drop packages with unusal flags
+      #
+      #drop6_invalid_flags=true
+
+      # Refuse spoofed packets pretending to be from your IP address.
+      #
+      #drop6_from_own_ip=true
+
+      # Refuse private addresses on extern interfaces
+      #
+      #drop6_spoofed=true
+    marker: "# Marker set by modify-ipt-gateway.yml (drop6_syn_flood)"
+  when: 
+    - main_ipv6_exists.stat.exists
+    - drop6_syn_flood_ipv6_present is changed
+
+
+# ---
+# Block UDP/TCP Ports out
+# ---
+
+- name: Check if String 'block_udp_extern_out_ports..' (IPv4) is present
+  shell: grep -q -E "^block_udp_extern_out_ports=" /ro/etc/ipt-firewall/main_ipv4.conf
+  register: block_udp_extern_out_ports_ipv4_present
+  when: main_ipv4_exists.stat.exists
+  failed_when: "block_udp_extern_out_ports_ipv4_present.rc > 1"
+  changed_when: "block_udp_extern_out_ports_ipv4_present.rc > 0"
+
+- name: Adjust file '/ro/etc/ipt-firewall/main_ipv4.conf' (block_udp_extern_out_ports)
+  blockinfile:
+    path: /ro/etc/ipt-firewall/main_ipv4.conf
+    insertafter: '^#?\s*block_upnp_traffic_out'
     block: |
 
 
       # =============
-      # - Allow local services from ALL extern netwoks
+      # --- Block UDP Ports out
       # =============
 
-      # - allow_all_ext_traffic_to_local_service
+      # - UDP Ports to block (only extern out)
       # -
-      # - allow_all_ext_traffic_to_local_service="local-address,port,protocol [local-address,port,protocol] .."
+      # - Comma separated list of udp ports
       # -
-      # - Note:
+      block_udp_extern_out_ports=""
-      # - =====
+
-      # -    - Only 'tcp' and 'udp' are allowed valuse for protocol.
+
+      # =============
+      # --- Block TCP Ports out
+      # =============
+
+      # - TCP Ports to block (only extern out)
       # -
-      # - Example:
+      # - Comma separated list of tcp ports
-      # -    allow extern traffic to service at 2a01:30:1fff:fd00::210 on port 1036
-      # -    allow extern traffic to https service at 2a01:30:1fff:fd00::204
       # -
-      # -    allow_ext_net_to_local_service="
+      block_tcp_extern_out_ports=""
-      # -       2a01:30:1fff:fd00::210,1036,tcp
+    marker: "# Marker set by modify-ipt-gateway.yml (block_udp_extern_out_ports)"
-      # -       2a01:30:1fff:fd00::204,$standard_https_port,tcp
+  when: 
-      # -    "
+    - main_ipv4_exists.stat.exists
+    - block_udp_extern_out_ports_ipv4_present is changed
+
+- name: Check if String 'block_udp_extern_out_ports..' (IPv6) is present
+  shell: grep -q -E "^block_udp_extern_out_ports=" /ro/etc/ipt-firewall/main_ipv6.conf
+  register: block_udp_extern_out_ports_ipv6_present
+  when: main_ipv6_exists.stat.exists
+  failed_when: "block_udp_extern_out_ports_ipv6_present.rc > 1"
+  changed_when: "block_udp_extern_out_ports_ipv6_present.rc > 0"
+
+- name: Adjust file '/ro/etc/ipt-firewall/main_ipv6.conf' (block_udp_extern_out_ports)
+  blockinfile:
+    path: /ro/etc/ipt-firewall/main_ipv6.conf
+    insertafter: '^#?\s*block_upnp_traffic_out'
+    block: |
+
+
+      # =============
+      # --- Block UDP Ports out
+      # =============
+
+      # - UDP Ports to block (only extern out)
       # -
-      # - Blank separated list
+      # - Comma separated list of udp ports
       # -
-      allow_all_ext_traffic_to_local_service=""
+      block_udp_extern_out_ports=""
-    marker: "# Marker set by modify-ipt-gateway.yml (allow_all_ext_traffic_to_local_service)"
+
+
+      # =============
+      # --- Block TCP Ports out
+      # =============
+
+      # - TCP Ports to block (only extern out)
+      # -
+      # - Comma separated list of tcp ports
+      # -
+      block_tcp_extern_out_ports=""
+    marker: "# Marker set by modify-ipt-gateway.yml (block_udp_extern_out_ports)"
   when: 
     - main_ipv6_exists.stat.exists
-    - allow_all_ext_traffic_to_local_service_ipv6_present is changed
+    - block_udp_extern_out_ports_ipv6_present is changed
 
 
 

roles/modify-ipt-gateway/tasks/main.yml

@@ -100,96 +100,221 @@
   notify:
     - Restart IPv6 Firewall
 
+- name: addjust line 'adjust_kernel_parameters' (IPv6)
+  lineinfile:
+    path: /etc/ipt-firewall/main_ipv6.conf
+    regexp: '^adjust_kernel_parameters='
+    line: '#adjust6_kernel_parameters=true'
+  when:
+      - main_ipv6_exists.stat.exists
+  notify:
+    - Restart IPv6 Firewall
+
+- name: addjust line 'protect_against_several_attack' (IPv6)
+  lineinfile:
+    path: /etc/ipt-firewall/main_ipv6.conf
+    regexp: '^protect_against_several_attacks='
+    line: '#protect6_against_several_attacks=true'
+  when: 
+      - main_ipv6_exists.stat.exists
+  notify:
+    - Restart IPv6 Firewall
+
 
 # ---
-# Allow local services from ALL extern netwoks
+# Block Routers
 # ---
 
-- name: Check if String 'allow_all_ext_traffic_to_local_service..' (IPv4) is present
+- name: Check if String 'drop_syn_flood..' (IPv4) is present
-  shell: grep -q -E "^allow_all_ext_traffic_to_local_service=" /etc/ipt-firewall/main_ipv4.conf
+  shell: grep -q -E "^#?drop_syn_flood=" /etc/ipt-firewall/main_ipv4.conf
-  register: allow_all_ext_traffic_to_local_service_ipv4_present
+  register: drop_syn_flood_ipv4_present
   when: main_ipv4_exists.stat.exists
-  failed_when: "allow_all_ext_traffic_to_local_service_ipv4_present.rc > 1"
+  failed_when: "drop_syn_flood_ipv4_present.rc > 1"
-  changed_when: "allow_all_ext_traffic_to_local_service_ipv4_present.rc > 0"
+  changed_when: "drop_syn_flood_ipv4_present.rc > 0"
 
-- name: Adjust file '/etc/ipt-firewall/main_ipv4.conf' (allow_all_ext_traffic_to_local_service)
+- name: Adjust file '/etc/ipt-firewall/main_ipv4.conf' (drop_syn_flood)
   blockinfile:
     path: /etc/ipt-firewall/main_ipv4.conf
-    insertafter: '^#?\s*any_access_from_inet_networks'
+    insertafter: '^#?\s*protect_against_several_attacks=true'
     block: |
 
-      # =============
+      # Protection against syn-flooding
-      # - Allow local services from ALL extern netwoks
+      #
-      # =============
+      #drop_syn_flood=false
 
-      # - allow_all_ext_traffic_to_local_service
+      # - I have to say that fragments scare me more than anything.
+      # - Sending lots of non-first fragments was what allowed Jolt2  to effectively "drown"
+      # - Firewall-1. Fragments can be overlapped, and the subsequent interpretation of such
+      # - fragments is very OS-dependent (see this paper for details).
+      # - I am not going to trust any fragments.
+      # - Log fragments just to see if we get any, and deny them too
       # -
-      # - allow_all_ext_traffic_to_local_service="local-address:port:protocol [local-address:port:protocol] .."
+      # - !! 'drop_fragments' does not work within telekom mobile connections !!
       # -
-      # - Note:
+      #drop_fragments=true
-      # - =====
+
-      # -    - Only 'tcp' and 'udp' are allowed valuse for protocol.
+      # drop new packages without syn flag
-      # -
+      #
-      # - Example:
+      #drop_new_not_sync=true
-      # -    allow extern traffic to service at 83.223.73.210 on port 1036
+
-      # -    allow extern traffic to https service at 83.223.73.204
+      # drop invalid packages
-      # -
+      #
-      # -    allow_ext_net_to_local_service="
+      #drop_invalid_state=true
-      # -       83.223.73.210:1036:tcp
+
-      # -       83.223.73.204:$standard_https_port:tcp
+      # drop packages with unusal flags
-      # -    "
+      #
-      # -
+      #drop_invalid_flags=true
-      # - Blank separated list
+
-      # -    
+      # Refuse private addresses on extern interfaces
-      allow_all_ext_traffic_to_local_service=""
+      #
-    marker: "# Marker set by modify-ipt-gateway.yml (allow_all_ext_traffic_to_local_service)"
+      # Refuse packets claiming to be from a
+      #   Class A private network
+      #   Class B private network
+      #   Class C private network
+      #   loopback interface
+      #   Class D multicast address
+      #   Class E reserved IP address
+      #   broadcast address
+      #drop_spoofed=true
+
+      # Don't allow spoofing from that server
+      #
+      #drop_spoofed_out=true
+
+      # Refusing packets claiming to be to the loopback interface protects against
+      # source quench, whereby a machine can be told to slow itself down by an icmp source
+      # quench to the loopback.
+      #drop_ext_to_lo=true
+    marker: "# Marker set by modify-ipt-gateway.yml (drop_syn_flood)"
   when: 
     - main_ipv4_exists.stat.exists
-    - allow_all_ext_traffic_to_local_service_ipv4_present is changed
+    - drop_syn_flood_ipv4_present is changed
 
 
-- name: Check if String 'allow_all_ext_traffic_to_local_service..' (IPv6) is present
+- name: Check if String 'drop6_syn_flood..' (IPv6) is present
-  shell: grep -q -E "^allow_all_ext_traffic_to_local_service=" /etc/ipt-firewall/main_ipv6.conf
+  shell: grep -q -E "^#?drop6_syn_flood=" /etc/ipt-firewall/main_ipv6.conf
-  register: allow_all_ext_traffic_to_local_service_ipv6_present
+  register: drop6_syn_flood_ipv6_present
   when: main_ipv6_exists.stat.exists
-  failed_when: "allow_all_ext_traffic_to_local_service_ipv6_present.rc > 1"
+  failed_when: "drop6_syn_flood_ipv6_present.rc > 1"
-  changed_when: "allow_all_ext_traffic_to_local_service_ipv6_present.rc > 0"
+  changed_when: "drop6_syn_flood_ipv6_present.rc > 0"
 
-- name: Adjust file '/etc/ipt-firewall/main_ipv6.conf' (allow_all_ext_traffic_to_local_service)
+- name: Adjust file '/etc/ipt-firewall/main_ipv6.conf' (drop6_syn_flood)
   blockinfile:
     path: /etc/ipt-firewall/main_ipv6.conf
-    insertafter: '^#?\s*any_access_from_inet_networks'
+    insertafter: '^#?\s*protect6_against_several_attacks=true'
+    block: |
+
+      # Protection against syn-flooding
+      #
+      #drop6_syn_flood=false
+
+      # drop new packages without syn flag
+      #
+      #drop6_new_not_sync=true
+
+      # drop invalid packages
+      #
+      #drop6_invalid_state=true
+
+      # drop packages with unusal flags
+      #
+      #drop6_invalid_flags=true
+
+      # Refuse spoofed packets pretending to be from your IP address.
+      #
+      #drop6_from_own_ip=true
+
+      # Refuse private addresses on extern interfaces
+      #
+      #drop6_spoofed=true
+    marker: "# Marker set by modify-ipt-gateway.yml (drop6_syn_flood)"
+  when: 
+    - main_ipv6_exists.stat.exists
+    - drop6_syn_flood_ipv6_present is changed
+
+
+# ---
+# Block UDP/TCP Ports out
+# ---
+
+- name: Check if String 'block_udp_extern_out_ports..' (IPv4) is present
+  shell: grep -q -E "^block_udp_extern_out_ports=" /etc/ipt-firewall/main_ipv4.conf
+  register: block_udp_extern_out_ports_ipv4_present
+  when: main_ipv4_exists.stat.exists
+  failed_when: "block_udp_extern_out_ports_ipv4_present.rc > 1"
+  changed_when: "block_udp_extern_out_ports_ipv4_present.rc > 0"
+
+- name: Adjust file '/etc/ipt-firewall/main_ipv4.conf' (block_udp_extern_out_ports)
+  blockinfile:
+    path: /etc/ipt-firewall/main_ipv4.conf
+    insertafter: '^#?\s*block_upnp_traffic_out'
     block: |
 
 
       # =============
-      # - Allow local services from ALL extern netwoks
+      # --- Block UDP Ports out
       # =============
 
-      # - allow_all_ext_traffic_to_local_service
+      # - UDP Ports to block (only extern out)
       # -
-      # - allow_all_ext_traffic_to_local_service="local-address,port,protocol [local-address,port,protocol] .."
+      # - Comma separated list of udp ports
       # -
-      # - Note:
+      block_udp_extern_out_ports=""
-      # - =====
+
-      # -    - Only 'tcp' and 'udp' are allowed valuse for protocol.
+
+      # =============
+      # --- Block TCP Ports out
+      # =============
+
+      # - TCP Ports to block (only extern out)
       # -
-      # - Example:
+      # - Comma separated list of tcp ports
-      # -    allow extern traffic to service at 2a01:30:1fff:fd00::210 on port 1036
-      # -    allow extern traffic to https service at 2a01:30:1fff:fd00::204
       # -
-      # -    allow_ext_net_to_local_service="
+      block_tcp_extern_out_ports="${standard_turn_service_ports}"
-      # -       2a01:30:1fff:fd00::210,1036,tcp
+    marker: "# Marker set by modify-ipt-gateway.yml (block_udp_extern_out_ports)"
-      # -       2a01:30:1fff:fd00::204,$standard_https_port,tcp
+  when: 
-      # -    "
+    - main_ipv4_exists.stat.exists
+    - block_udp_extern_out_ports_ipv4_present is changed
+
+
+- name: Check if String 'block_udp_extern_out_ports..' (IPv6) is present
+  shell: grep -q -E "^block_udp_extern_out_ports=" /etc/ipt-firewall/main_ipv6.conf
+  register: block_udp_extern_out_ports_ipv6_present
+  when: main_ipv6_exists.stat.exists
+  failed_when: "block_udp_extern_out_ports_ipv6_present.rc > 1"
+  changed_when: "block_udp_extern_out_ports_ipv6_present.rc > 0"
+
+- name: Adjust file '/etc/ipt-firewall/main_ipv6.conf' (block_udp_extern_out_ports)
+  blockinfile:
+    path: /etc/ipt-firewall/main_ipv6.conf
+    insertafter: '^#?\s*block_upnp_traffic_out'
+    block: |
+
+
+      # =============
+      # --- Block UDP Ports out
+      # =============
+
+      # - UDP Ports to block (only extern out)
       # -
-      # - Blank separated list
+      # - Comma separated list of udp ports
       # -
-      allow_all_ext_traffic_to_local_service=""
+      block_udp_extern_out_ports=""
-    marker: "# Marker set by modify-ipt-gateway.yml (allow_all_ext_traffic_to_local_service)"
+
+
+      # =============
+      # --- Block TCP Ports out
+      # =============
+
+      # - TCP Ports to block (only extern out)
+      # -
+      # - Comma separated list of tcp ports
+      # -
+      block_tcp_extern_out_ports=""
+    marker: "# Marker set by modify-ipt-gateway.yml (block_udp_extern_out_ports)"
   when: 
     - main_ipv6_exists.stat.exists
-    - allow_all_ext_traffic_to_local_service_ipv6_present is changed
+    - block_udp_extern_out_ports_ipv6_present is changed
 
 
 # ---