diff --git a/.forgejo/workflows/lint.yaml b/.forgejo/workflows/lint.yaml
index d29fb6e..b1168c9 100644
--- a/.forgejo/workflows/lint.yaml
+++ b/.forgejo/workflows/lint.yaml
@@ -24,7 +24,7 @@ jobs:
       # work in our environmnet.
       # Rather manually setup python (pip) before instead.
       - name: Run ansible-lint
-        uses: https://github.com/ansible/ansible-lint@v25.11.0
+        uses: https://github.com/ansible/ansible-lint@v25.12.2
         with:
           setup_python: "false"
           requirements_file: "requirements.yml"
diff --git a/inventories/chaosknoten/group_vars/all.yaml b/inventories/chaosknoten/group_vars/all.yaml
index b8f13d0..60349e0 100644
--- a/inventories/chaosknoten/group_vars/all.yaml
+++ b/inventories/chaosknoten/group_vars/all.yaml
@@ -3,7 +3,7 @@
 ansible_pull__repo_url: https://git.hamburg.ccc.de/CCCHH/ansible-infra.git
 ansible_pull__inventory: inventories/chaosknoten
 ansible_pull__playbook: playbooks/maintenance.yaml
-ansible_pull__timer_on_calendar: "*-*-* 04:00:00 Europe/Berlin"
+ansible_pull__timer_on_calendar: "*-*-* 04:30:00 Europe/Berlin"
 ansible_pull__failure_notification_address: noc-notifications@lists.hamburg.ccc.de
 ansible_pull__timer_randomized_delay_sec: 30min
 
diff --git a/inventories/chaosknoten/host_vars/netbox.yaml b/inventories/chaosknoten/host_vars/netbox.yaml
index 3be8bdd..2c68c17 100644
--- a/inventories/chaosknoten/host_vars/netbox.yaml
+++ b/inventories/chaosknoten/host_vars/netbox.yaml
@@ -1,5 +1,5 @@
 # renovate: datasource=github-releases depName=netbox packageName=netbox-community/netbox
-netbox__version: "v4.4.6"
+netbox__version: "v4.5.0"
 netbox__config: "{{ lookup('ansible.builtin.template', 'resources/chaosknoten/netbox/netbox/configuration.py.j2') }}"
 netbox__custom_pipeline_oidc_group_and_role_mapping: true
 
diff --git a/inventories/chaosknoten/host_vars/router.yaml b/inventories/chaosknoten/host_vars/router.yaml
index 134d29f..5e9c832 100644
--- a/inventories/chaosknoten/host_vars/router.yaml
+++ b/inventories/chaosknoten/host_vars/router.yaml
@@ -1,2 +1,4 @@
 systemd_networkd__config_dir: 'resources/chaosknoten/router/systemd_networkd/'
 nftables__config: "{{ lookup('ansible.builtin.file', 'resources/chaosknoten/router/nftables/nftables.conf') }}"
+ansible_pull__timer_on_calendar: "*-*-* 04:00:00 Europe/Berlin"
+ansible_pull__timer_randomized_delay_sec: 0min
diff --git a/inventories/chaosknoten/hosts.yaml b/inventories/chaosknoten/hosts.yaml
index 1028deb..93c61be 100644
--- a/inventories/chaosknoten/hosts.yaml
+++ b/inventories/chaosknoten/hosts.yaml
@@ -1,9 +1,9 @@
 all:
   hosts:
     ccchoir:
-      ansible_host: ccchoir-intern.hamburg.ccc.de
+      ansible_host: ccchoir.hosts.hamburg.ccc.de
       ansible_user: chaos
-      ansible_ssh_common_args: -J ssh://chaos@public-reverse-proxy.hamburg.ccc.de
+      ansible_ssh_common_args: -J ssh://chaos@router.hamburg.ccc.de
     chaosknoten:
       ansible_host: chaosknoten.hamburg.ccc.de
     cloud:
@@ -15,13 +15,13 @@ all:
       ansible_user: chaos
       ansible_ssh_common_args: -J ssh://chaos@router.hamburg.ccc.de
     grafana:
-      ansible_host: grafana-intern.hamburg.ccc.de
+      ansible_host: grafana.hosts.hamburg.ccc.de
       ansible_user: chaos
-      ansible_ssh_common_args: -J ssh://chaos@public-reverse-proxy.hamburg.ccc.de
+      ansible_ssh_common_args: -J ssh://chaos@router.hamburg.ccc.de
     tickets:
-      ansible_host: tickets-intern.hamburg.ccc.de
+      ansible_host: tickets.hosts.hamburg.ccc.de
       ansible_user: chaos
-      ansible_ssh_common_args: -J ssh://chaos@public-reverse-proxy.hamburg.ccc.de
+      ansible_ssh_common_args: -J ssh://chaos@router.hamburg.ccc.de
     keycloak:
       ansible_host: keycloak.hosts.hamburg.ccc.de
       ansible_user: chaos
@@ -33,9 +33,9 @@ all:
       ansible_host: mumble.hamburg.ccc.de
       ansible_user: chaos
     netbox:
-      ansible_host: netbox-intern.hamburg.ccc.de
+      ansible_host: netbox.hosts.hamburg.ccc.de
       ansible_user: chaos
-      ansible_ssh_common_args: -J ssh://chaos@public-reverse-proxy.hamburg.ccc.de
+      ansible_ssh_common_args: -J ssh://chaos@router.hamburg.ccc.de
     onlyoffice:
       ansible_host: onlyoffice.hosts.hamburg.ccc.de
       ansible_user: chaos
@@ -45,9 +45,9 @@ all:
       ansible_user: chaos
       ansible_ssh_common_args: -J ssh://chaos@router.hamburg.ccc.de
     pretalx:
-      ansible_host: pretalx-intern.hamburg.ccc.de
+      ansible_host: pretalx.hosts.hamburg.ccc.de
       ansible_user: chaos
-      ansible_ssh_common_args: -J ssh://chaos@public-reverse-proxy.hamburg.ccc.de
+      ansible_ssh_common_args: -J ssh://chaos@router.hamburg.ccc.de
     public-reverse-proxy:
       ansible_host: public-reverse-proxy.hamburg.ccc.de
       ansible_user: chaos
@@ -59,21 +59,21 @@ all:
       ansible_user: chaos
       ansible_ssh_common_args: -J ssh://chaos@router.hamburg.ccc.de
     zammad:
-      ansible_host: zammad-intern.hamburg.ccc.de
+      ansible_host: zammad.hosts.hamburg.ccc.de
       ansible_user: chaos
-      ansible_ssh_common_args: -J ssh://chaos@public-reverse-proxy.hamburg.ccc.de
+      ansible_ssh_common_args: -J ssh://chaos@router.hamburg.ccc.de
     ntfy:
-      ansible_host: ntfy-intern.hamburg.ccc.de
+      ansible_host: ntfy.hosts.hamburg.ccc.de
       ansible_user: chaos
-      ansible_ssh_common_args: -J ssh://chaos@public-reverse-proxy.hamburg.ccc.de
+      ansible_ssh_common_args: -J ssh://chaos@router.hamburg.ccc.de
     sunders:
-      ansible_host: sunders-intern.hamburg.ccc.de
+      ansible_host: sunders.hosts.hamburg.ccc.de
       ansible_user: chaos
-      ansible_ssh_common_args: -J ssh://chaos@public-reverse-proxy.hamburg.ccc.de
+      ansible_ssh_common_args: -J ssh://chaos@router.hamburg.ccc.de
     renovate:
-      ansible_host: renovate-intern.hamburg.ccc.de
+      ansible_host: renovate.hosts.hamburg.ccc.de
       ansible_user: chaos
-      ansible_ssh_common_args: -J ssh://chaos@public-reverse-proxy.hamburg.ccc.de
+      ansible_ssh_common_args: -J ssh://chaos@router.hamburg.ccc.de
 hypervisors:
   hosts:
     chaosknoten:
diff --git a/resources/chaosknoten/ccchoir/nginx/ccchoir.de.conf b/resources/chaosknoten/ccchoir/nginx/ccchoir.de.conf
index ff37e48..a8d71a9 100644
--- a/resources/chaosknoten/ccchoir/nginx/ccchoir.de.conf
+++ b/resources/chaosknoten/ccchoir/nginx/ccchoir.de.conf
@@ -2,12 +2,12 @@
 # https://ssl-config.mozilla.org/#server=nginx&version=1.17.7&config=intermediate&openssl=1.1.1k&guideline=5.6
 server {
     # Listen on a custom port for the proxy protocol.
-    listen 8443 ssl http2 proxy_protocol;
+    listen [::]:8443 ssl http2 proxy_protocol;
     # Make use of the ngx_http_realip_module to set the $remote_addr and
     # $remote_port to the client address and client port, when using proxy
     # protocol.
     # First set our proxy protocol proxy as trusted.
-    set_real_ip_from 172.31.17.140;
+    set_real_ip_from 2a00:14b0:4200:3000:125::1;
     # Then tell the realip_module to get the addreses from the proxy protocol
     # header.
     real_ip_header proxy_protocol;
@@ -43,12 +43,12 @@ server {
 
 server {
     # Listen on a custom port for the proxy protocol.
-    listen 8443 ssl http2 proxy_protocol;
+    listen [::]:8443 ssl http2 proxy_protocol;
     # Make use of the ngx_http_realip_module to set the $remote_addr and
     # $remote_port to the client address and client port, when using proxy
     # protocol.
     # First set our proxy protocol proxy as trusted.
-    set_real_ip_from 172.31.17.140;
+    set_real_ip_from 2a00:14b0:4200:3000:125::1;
     # Then tell the realip_module to get the addreses from the proxy protocol
     # header.
     real_ip_header proxy_protocol;
diff --git a/resources/chaosknoten/eh22-wiki/nginx/eh22.easterhegg.eu.conf b/resources/chaosknoten/eh22-wiki/nginx/eh22.easterhegg.eu.conf
index 8c801fe..d213d61 100644
--- a/resources/chaosknoten/eh22-wiki/nginx/eh22.easterhegg.eu.conf
+++ b/resources/chaosknoten/eh22-wiki/nginx/eh22.easterhegg.eu.conf
@@ -2,7 +2,6 @@
 # https://ssl-config.mozilla.org/#server=nginx&version=1.17.7&config=intermediate&openssl=1.1.1k&guideline=5.6
 server {
     # Listen on a custom port for the proxy protocol.
-    listen 8443 ssl http2 proxy_protocol;
     listen [::]:8443 ssl http2 proxy_protocol;
     # Make use of the ngx_http_realip_module to set the $remote_addr and
     # $remote_port to the client address and client port, when using proxy
diff --git a/resources/chaosknoten/grafana/docker_compose/compose.yaml.j2 b/resources/chaosknoten/grafana/docker_compose/compose.yaml.j2
index 2d598f9..90952ee 100644
--- a/resources/chaosknoten/grafana/docker_compose/compose.yaml.j2
+++ b/resources/chaosknoten/grafana/docker_compose/compose.yaml.j2
@@ -2,7 +2,7 @@
 services:
 
   prometheus:
-    image: docker.io/prom/prometheus:v3.7.3
+    image: docker.io/prom/prometheus:v3.9.1
     container_name: prometheus
     command:
       - '--config.file=/etc/prometheus/prometheus.yml'
@@ -19,7 +19,7 @@ services:
       - prom_data:/prometheus
 
   alertmanager:
-    image: docker.io/prom/alertmanager:v0.29.0
+    image: docker.io/prom/alertmanager:v0.30.0
     container_name: alertmanager
     command:
       - '--config.file=/etc/alertmanager/alertmanager.yaml'
@@ -32,7 +32,7 @@ services:
       - alertmanager_data:/alertmanager
 
   grafana:
-    image: docker.io/grafana/grafana:12.3.0
+    image: docker.io/grafana/grafana:12.3.1
     container_name: grafana
     ports:
       - 3000:3000
@@ -46,7 +46,7 @@ services:
       - graf_data:/var/lib/grafana
 
   pve-exporter:
-    image: docker.io/prompve/prometheus-pve-exporter:3.5.5
+    image: docker.io/prompve/prometheus-pve-exporter:3.8.0
     container_name: pve-exporter
     ports:
       - 9221:9221
@@ -59,7 +59,7 @@ services:
       - /dev/null:/etc/prometheus/pve.yml
 
   loki:
-    image: docker.io/grafana/loki:3.6.0
+    image: docker.io/grafana/loki:3.6.3
     container_name: loki
     ports:
       - 13100:3100
diff --git a/resources/chaosknoten/grafana/nginx/grafana.hamburg.ccc.de.conf b/resources/chaosknoten/grafana/nginx/grafana.hamburg.ccc.de.conf
index c5b68e1..98f7f40 100644
--- a/resources/chaosknoten/grafana/nginx/grafana.hamburg.ccc.de.conf
+++ b/resources/chaosknoten/grafana/nginx/grafana.hamburg.ccc.de.conf
@@ -2,13 +2,13 @@
 # https://ssl-config.mozilla.org/#server=nginx&version=1.17.7&config=intermediate&openssl=1.1.1k&guideline=5.6
 server {
     # Listen on a custom port for the proxy protocol.
-    listen 8443 ssl proxy_protocol;
+    listen [::]:8443 ssl proxy_protocol;
     http2 on;
     # Make use of the ngx_http_realip_module to set the $remote_addr and
     # $remote_port to the client address and client port, when using proxy
     # protocol.
     # First set our proxy protocol proxy as trusted.
-    set_real_ip_from 172.31.17.140;
+    set_real_ip_from 2a00:14b0:4200:3000:125::1;
     # Then tell the realip_module to get the addreses from the proxy protocol
     # header.
     real_ip_header proxy_protocol;
diff --git a/resources/chaosknoten/grafana/nginx/loki.hamburg.ccc.de.conf b/resources/chaosknoten/grafana/nginx/loki.hamburg.ccc.de.conf
index e2bf4a7..8a509be 100644
--- a/resources/chaosknoten/grafana/nginx/loki.hamburg.ccc.de.conf
+++ b/resources/chaosknoten/grafana/nginx/loki.hamburg.ccc.de.conf
@@ -17,7 +17,6 @@ server {
     server_name loki.hamburg.ccc.de;
 
     listen [::]:50051 ssl;
-    listen 172.31.17.145:50051 ssl;
 
     http2 on;
 
@@ -59,7 +58,6 @@ server {
     server_name loki.hamburg.ccc.de;
 
     listen [::]:443 ssl;
-    listen 172.31.17.145:443 ssl;
 
     http2 on;
 
diff --git a/resources/chaosknoten/grafana/nginx/metrics.hamburg.ccc.de.conf b/resources/chaosknoten/grafana/nginx/metrics.hamburg.ccc.de.conf
index 2c52523..ef2fe07 100644
--- a/resources/chaosknoten/grafana/nginx/metrics.hamburg.ccc.de.conf
+++ b/resources/chaosknoten/grafana/nginx/metrics.hamburg.ccc.de.conf
@@ -18,7 +18,6 @@ server {
     server_name metrics.hamburg.ccc.de;
 
     listen [::]:443 ssl;
-    listen 172.31.17.145:443 ssl;
     http2 on;
 
     client_body_buffer_size 512k;
diff --git a/resources/chaosknoten/keycloak/nginx/id.hamburg.ccc.de.conf b/resources/chaosknoten/keycloak/nginx/id.hamburg.ccc.de.conf
index 939e1da..82ba082 100644
--- a/resources/chaosknoten/keycloak/nginx/id.hamburg.ccc.de.conf
+++ b/resources/chaosknoten/keycloak/nginx/id.hamburg.ccc.de.conf
@@ -3,7 +3,6 @@
 # Also see: https://www.keycloak.org/server/reverseproxy
 server {
     # Listen on a custom port for the proxy protocol.
-    listen 8443 ssl http2 proxy_protocol;
     listen [::]:8443 ssl http2 proxy_protocol;
     # Make use of the ngx_http_realip_module to set the $remote_addr and
     # $remote_port to the client address and client port, when using proxy
diff --git a/resources/chaosknoten/keycloak/nginx/invite.hamburg.ccc.de.conf b/resources/chaosknoten/keycloak/nginx/invite.hamburg.ccc.de.conf
index de1e9d6..ecb7e2d 100644
--- a/resources/chaosknoten/keycloak/nginx/invite.hamburg.ccc.de.conf
+++ b/resources/chaosknoten/keycloak/nginx/invite.hamburg.ccc.de.conf
@@ -3,7 +3,6 @@
 # Also see: https://www.keycloak.org/server/reverseproxy
 server {
     # Listen on a custom port for the proxy protocol.
-    listen 8443 ssl http2 proxy_protocol;
     listen [::]:8443 ssl http2 proxy_protocol;
     # Make use of the ngx_http_realip_module to set the $remote_addr and
     # $remote_port to the client address and client port, when using proxy
diff --git a/resources/chaosknoten/keycloak/nginx/keycloak-admin.hamburg.ccc.de.conf b/resources/chaosknoten/keycloak/nginx/keycloak-admin.hamburg.ccc.de.conf
index cd56b98..b2e7eec 100644
--- a/resources/chaosknoten/keycloak/nginx/keycloak-admin.hamburg.ccc.de.conf
+++ b/resources/chaosknoten/keycloak/nginx/keycloak-admin.hamburg.ccc.de.conf
@@ -7,7 +7,6 @@ server {
     ##listen [::]:443 ssl http2;
 
     # Listen on a custom port for the proxy protocol.
-    listen 8443 ssl http2 proxy_protocol;
     listen [::]:8443 ssl http2 proxy_protocol;
     # Make use of the ngx_http_realip_module to set the $remote_addr and
     # $remote_port to the client address and client port, when using proxy
diff --git a/resources/chaosknoten/netbox/nginx/netbox.hamburg.ccc.de.conf b/resources/chaosknoten/netbox/nginx/netbox.hamburg.ccc.de.conf
index 5550686..0c2a3be 100644
--- a/resources/chaosknoten/netbox/nginx/netbox.hamburg.ccc.de.conf
+++ b/resources/chaosknoten/netbox/nginx/netbox.hamburg.ccc.de.conf
@@ -2,12 +2,12 @@
 # https://ssl-config.mozilla.org/#server=nginx&version=1.17.7&config=intermediate&openssl=1.1.1k&guideline=5.6
 server {
     # Listen on a custom port for the proxy protocol.
-    listen 8443 ssl http2 proxy_protocol;
+    listen [::]:8443 ssl http2 proxy_protocol;
     # Make use of the ngx_http_realip_module to set the $remote_addr and
     # $remote_port to the client address and client port, when using proxy
     # protocol.
     # First set our proxy protocol proxy as trusted.
-    set_real_ip_from 172.31.17.140;
+    set_real_ip_from 2a00:14b0:4200:3000:125::1;
     # Then tell the realip_module to get the addreses from the proxy protocol
     # header.
     real_ip_header proxy_protocol;
diff --git a/resources/chaosknoten/ntfy/nginx/ntfy.hamburg.ccc.de.conf b/resources/chaosknoten/ntfy/nginx/ntfy.hamburg.ccc.de.conf
index e7d404d..ebae48d 100644
--- a/resources/chaosknoten/ntfy/nginx/ntfy.hamburg.ccc.de.conf
+++ b/resources/chaosknoten/ntfy/nginx/ntfy.hamburg.ccc.de.conf
@@ -2,13 +2,13 @@
 # https://ssl-config.mozilla.org/#server=nginx&version=1.17.7&config=intermediate&openssl=1.1.1k&guideline=5.6
 server {
     # Listen on a custom port for the proxy protocol.
-    listen 8443 ssl proxy_protocol;
+    listen [::]:8443 ssl proxy_protocol;
     http2 on;
     # Make use of the ngx_http_realip_module to set the $remote_addr and
     # $remote_port to the client address and client port, when using proxy
     # protocol.
     # First set our proxy protocol proxy as trusted.
-    set_real_ip_from 172.31.17.140;
+    set_real_ip_from 2a00:14b0:4200:3000:125::1;
     # Then tell the realip_module to get the addreses from the proxy protocol
     # header.
     real_ip_header proxy_protocol;
diff --git a/resources/chaosknoten/onlyoffice/docker_compose/compose.yaml.j2 b/resources/chaosknoten/onlyoffice/docker_compose/compose.yaml.j2
index f3444ac..8bc37e9 100644
--- a/resources/chaosknoten/onlyoffice/docker_compose/compose.yaml.j2
+++ b/resources/chaosknoten/onlyoffice/docker_compose/compose.yaml.j2
@@ -4,7 +4,7 @@
 
 services:
   onlyoffice:
-    image: docker.io/onlyoffice/documentserver:9.1.0
+    image: docker.io/onlyoffice/documentserver:9.2.1
     restart: unless-stopped
     volumes:
       - "./onlyoffice/DocumentServer/logs:/var/log/onlyoffice"
diff --git a/resources/chaosknoten/onlyoffice/nginx/onlyoffice.hamburg.ccc.de.conf b/resources/chaosknoten/onlyoffice/nginx/onlyoffice.hamburg.ccc.de.conf
index 8a9a486..f3e77f1 100644
--- a/resources/chaosknoten/onlyoffice/nginx/onlyoffice.hamburg.ccc.de.conf
+++ b/resources/chaosknoten/onlyoffice/nginx/onlyoffice.hamburg.ccc.de.conf
@@ -2,7 +2,6 @@
 # https://ssl-config.mozilla.org/#server=nginx&version=1.17.7&config=intermediate&openssl=1.1.1k&guideline=5.6
 server {
     # Listen on a custom port for the proxy protocol.
-    listen 8443 ssl http2 proxy_protocol;
     listen [::]:8443 ssl http2 proxy_protocol;
     # Make use of the ngx_http_realip_module to set the $remote_addr and
     # $remote_port to the client address and client port, when using proxy
diff --git a/resources/chaosknoten/pad/docker_compose/compose.yaml.j2 b/resources/chaosknoten/pad/docker_compose/compose.yaml.j2
index 455caa3..790cf95 100644
--- a/resources/chaosknoten/pad/docker_compose/compose.yaml.j2
+++ b/resources/chaosknoten/pad/docker_compose/compose.yaml.j2
@@ -13,7 +13,7 @@ services:
     restart: unless-stopped
 
   app:
-    image: quay.io/hedgedoc/hedgedoc:1.10.3
+    image: quay.io/hedgedoc/hedgedoc:1.10.5
     environment:
       - "CMD_DB_URL=postgres://hedgedoc:{{ secret__hedgedoc_db_password }}@database:5432/hedgedoc"
       - "CMD_DOMAIN=pad.hamburg.ccc.de"
diff --git a/resources/chaosknoten/pad/nginx/pad.hamburg.ccc.de.conf b/resources/chaosknoten/pad/nginx/pad.hamburg.ccc.de.conf
index 6c453d1..cf49d23 100644
--- a/resources/chaosknoten/pad/nginx/pad.hamburg.ccc.de.conf
+++ b/resources/chaosknoten/pad/nginx/pad.hamburg.ccc.de.conf
@@ -2,7 +2,6 @@
 # https://ssl-config.mozilla.org/#server=nginx&version=1.17.7&config=intermediate&openssl=1.1.1k&guideline=5.6
 server {
     # Listen on a custom port for the proxy protocol.
-    listen 8443 ssl http2 proxy_protocol;
     listen [::]:8443 ssl http2 proxy_protocol;
     # Make use of the ngx_http_realip_module to set the $remote_addr and
     # $remote_port to the client address and client port, when using proxy
diff --git a/resources/chaosknoten/pretalx/docker_compose/compose.yaml.j2 b/resources/chaosknoten/pretalx/docker_compose/compose.yaml.j2
index dda67bb..835ed50 100644
--- a/resources/chaosknoten/pretalx/docker_compose/compose.yaml.j2
+++ b/resources/chaosknoten/pretalx/docker_compose/compose.yaml.j2
@@ -23,7 +23,7 @@ services:
       - pretalx_net
 
   static:
-    image: docker.io/library/nginx:1.29.3
+    image: docker.io/library/nginx:1.29.4
     restart: unless-stopped
     volumes:
       - public:/usr/share/nginx/html
@@ -33,7 +33,7 @@ services:
       - pretalx_net
 
   pretalx:
-    image: docker.io/pretalx/standalone:v2025.1.0
+    image: docker.io/pretalx/standalone:v2025.2.2
     entrypoint: gunicorn
     command:
       - "pretalx.wsgi"
@@ -78,7 +78,7 @@ services:
       - pretalx_net
 
   celery:
-    image: docker.io/pretalx/standalone:v2025.1.0
+    image: docker.io/pretalx/standalone:v2025.2.2
     command:
       - taskworker
     restart: unless-stopped
diff --git a/resources/chaosknoten/pretalx/nginx/cfp.eh22.easterhegg.eu.conf b/resources/chaosknoten/pretalx/nginx/cfp.eh22.easterhegg.eu.conf
index 0fa99e7..a4f5bb9 100644
--- a/resources/chaosknoten/pretalx/nginx/cfp.eh22.easterhegg.eu.conf
+++ b/resources/chaosknoten/pretalx/nginx/cfp.eh22.easterhegg.eu.conf
@@ -2,12 +2,12 @@
 # https://ssl-config.mozilla.org/#server=nginx&version=1.17.7&config=intermediate&openssl=1.1.1k&guideline=5.6
 server {
     # Listen on a custom port for the proxy protocol.
-    listen 8443 ssl http2 proxy_protocol;
+    listen [::]:8443 ssl http2 proxy_protocol;
     # Make use of the ngx_http_realip_module to set the $remote_addr and
     # $remote_port to the client address and client port, when using proxy
     # protocol.
     # First set our proxy protocol proxy as trusted.
-    set_real_ip_from 172.31.17.140;
+    set_real_ip_from 2a00:14b0:4200:3000:125::1;
     # Then tell the realip_module to get the addreses from the proxy protocol
     # header.
     real_ip_header proxy_protocol;
diff --git a/resources/chaosknoten/pretalx/nginx/pretalx.hamburg.ccc.de.conf b/resources/chaosknoten/pretalx/nginx/pretalx.hamburg.ccc.de.conf
index f12067a..d66e977 100644
--- a/resources/chaosknoten/pretalx/nginx/pretalx.hamburg.ccc.de.conf
+++ b/resources/chaosknoten/pretalx/nginx/pretalx.hamburg.ccc.de.conf
@@ -2,12 +2,12 @@
 # https://ssl-config.mozilla.org/#server=nginx&version=1.17.7&config=intermediate&openssl=1.1.1k&guideline=5.6
 server {
     # Listen on a custom port for the proxy protocol.
-    listen 8443 ssl http2 proxy_protocol;
+    listen [::]:8443 ssl http2 proxy_protocol;
     # Make use of the ngx_http_realip_module to set the $remote_addr and
     # $remote_port to the client address and client port, when using proxy
     # protocol.
     # First set our proxy protocol proxy as trusted.
-    set_real_ip_from 172.31.17.140;
+    set_real_ip_from 2a00:14b0:4200:3000:125::1;
     # Then tell the realip_module to get the addreses from the proxy protocol
     # header.
     real_ip_header proxy_protocol;
diff --git a/resources/chaosknoten/public-reverse-proxy/nginx/acme_challenge.conf b/resources/chaosknoten/public-reverse-proxy/nginx/acme_challenge.conf
index 409b5c6..82e596a 100644
--- a/resources/chaosknoten/public-reverse-proxy/nginx/acme_challenge.conf
+++ b/resources/chaosknoten/public-reverse-proxy/nginx/acme_challenge.conf
@@ -4,12 +4,12 @@ map $host $upstream_acme_challenge_host {
     c3cat.de 172.31.17.151:31820;
     www.c3cat.de 172.31.17.151:31820;
     staging.c3cat.de 172.31.17.151:31820;
-    ccchoir.de ccchoir-intern.hamburg.ccc.de:31820;
-    www.ccchoir.de ccchoir-intern.hamburg.ccc.de:31820;
+    ccchoir.de ccchoir.hosts.hamburg.ccc.de:31820;
+    www.ccchoir.de ccchoir.hosts.hamburg.ccc.de:31820;
     cloud.hamburg.ccc.de cloud.hosts.hamburg.ccc.de:31820;
     element.hamburg.ccc.de 172.31.17.151:31820;
     git.hamburg.ccc.de 172.31.17.154:31820;
-    grafana.hamburg.ccc.de 172.31.17.145:31820;
+    grafana.hamburg.ccc.de grafana.hosts.hamburg.ccc.de:31820;
     hackertours.hamburg.ccc.de 172.31.17.151:31820;
     staging.hackertours.hamburg.ccc.de 172.31.17.151:31820;
     hamburg.ccc.de 172.31.17.151:31820;
@@ -19,18 +19,18 @@ map $host $upstream_acme_challenge_host {
     matrix.hamburg.ccc.de 172.31.17.150:31820;
     mas.hamburg.ccc.de 172.31.17.150:31820;
     element-admin.hamburg.ccc.de 172.31.17.151:31820;
-    netbox.hamburg.ccc.de 172.31.17.167:31820;
+    netbox.hamburg.ccc.de netbox.hosts.hamburg.ccc.de:31820;
     onlyoffice.hamburg.ccc.de onlyoffice.hosts.hamburg.ccc.de:31820;
     pad.hamburg.ccc.de pad.hosts.hamburg.ccc.de:31820;
-    pretalx.hamburg.ccc.de 172.31.17.157:31820;
+    pretalx.hamburg.ccc.de pretalx.hosts.hamburg.ccc.de:31820;
     spaceapi.hamburg.ccc.de 172.31.17.151:31820;
     staging.hamburg.ccc.de 172.31.17.151:31820;
     wiki.ccchh.net wiki.hosts.hamburg.ccc.de:31820;
     wiki.hamburg.ccc.de wiki.hosts.hamburg.ccc.de:31820;
     www.hamburg.ccc.de 172.31.17.151:31820;
-    tickets.hamburg.ccc.de 172.31.17.148:31820;
-    sunders.hamburg.ccc.de 172.31.17.170:31820;
-    zammad.hamburg.ccc.de 172.31.17.152:31820;
+    tickets.hamburg.ccc.de tickets.hosts.hamburg.ccc.de:31820;
+    sunders.hamburg.ccc.de sunders.hosts.hamburg.ccc.de:31820;
+    zammad.hamburg.ccc.de zammad.hosts.hamburg.ccc.de:31820;
     eh03.easterhegg.eu 172.31.17.151:31820;
     eh05.easterhegg.eu 172.31.17.151:31820;
     eh07.easterhegg.eu 172.31.17.151:31820;
@@ -73,7 +73,7 @@ map $host $upstream_acme_challenge_host {
     design.hamburg.ccc.de 172.31.17.162:31820;
     hydra.hamburg.ccc.de 172.31.17.163:31820;
     cfp.eh22.easterhegg.eu 172.31.17.157:31820;
-    ntfy.hamburg.ccc.de 172.31.17.149:31820;
+    ntfy.hamburg.ccc.de ntfy.hosts.hamburg.ccc.de:31820;
     cryptoparty-hamburg.de 172.31.17.151:31820;
     cryptoparty.hamburg.ccc.de 172.31.17.151:31820;
     staging.cryptoparty-hamburg.de 172.31.17.151:31820;
diff --git a/resources/chaosknoten/public-reverse-proxy/nginx/nginx.conf b/resources/chaosknoten/public-reverse-proxy/nginx/nginx.conf
index 97e0e3c..489dda5 100644
--- a/resources/chaosknoten/public-reverse-proxy/nginx/nginx.conf
+++ b/resources/chaosknoten/public-reverse-proxy/nginx/nginx.conf
@@ -18,21 +18,21 @@ stream {
     resolver 212.12.50.158 192.76.134.90;
 
     map $ssl_preread_server_name $address {
-        ccchoir.de ccchoir-intern.hamburg.ccc.de:8443;
-        www.ccchoir.de ccchoir-intern.hamburg.ccc.de:8443;
+        ccchoir.de ccchoir.hosts.hamburg.ccc.de:8443;
+        www.ccchoir.de ccchoir.hosts.hamburg.ccc.de:8443;
         cloud.hamburg.ccc.de cloud.hosts.hamburg.ccc.de:8443;
         pad.hamburg.ccc.de pad.hosts.hamburg.ccc.de:8443;
-        pretalx.hamburg.ccc.de pretalx-intern.hamburg.ccc.de:8443;
+        pretalx.hamburg.ccc.de pretalx.hosts.hamburg.ccc.de:8443;
         id.hamburg.ccc.de keycloak.hosts.hamburg.ccc.de:8443;
         invite.hamburg.ccc.de keycloak.hosts.hamburg.ccc.de:8443;
         keycloak-admin.hamburg.ccc.de keycloak.hosts.hamburg.ccc.de:8443;
-        grafana.hamburg.ccc.de 172.31.17.145:8443;
+        grafana.hamburg.ccc.de grafana.hosts.hamburg.ccc.de:8443;
         wiki.ccchh.net wiki.hosts.hamburg.ccc.de:8443;
         wiki.hamburg.ccc.de wiki.hosts.hamburg.ccc.de:8443;
         onlyoffice.hamburg.ccc.de onlyoffice.hosts.hamburg.ccc.de:8443;
         hackertours.hamburg.ccc.de 172.31.17.151:8443;
         staging.hackertours.hamburg.ccc.de 172.31.17.151:8443;
-        netbox.hamburg.ccc.de 172.31.17.167:8443;
+        netbox.hamburg.ccc.de netbox.hosts.hamburg.ccc.de:8443;
         matrix.hamburg.ccc.de 172.31.17.150:8443;
         mas.hamburg.ccc.de 172.31.17.150:8443;
         element-admin.hamburg.ccc.de 172.31.17.151:8443;
@@ -42,9 +42,9 @@ stream {
         hamburg.ccc.de 172.31.17.151:8443;
         staging.hamburg.ccc.de 172.31.17.151:8443;
         spaceapi.hamburg.ccc.de 172.31.17.151:8443;
-        tickets.hamburg.ccc.de 172.31.17.148:8443;
-        sunders.hamburg.ccc.de 172.31.17.170:8443;
-        zammad.hamburg.ccc.de 172.31.17.152:8443;
+        tickets.hamburg.ccc.de tickets.hosts.hamburg.ccc.de:8443;
+        sunders.hamburg.ccc.de sunders.hosts.hamburg.ccc.de:8443;
+        zammad.hamburg.ccc.de zammad.hosts.hamburg.ccc.de:8443;
         c3cat.de 172.31.17.151:8443;
         www.c3cat.de 172.31.17.151:8443;
         staging.c3cat.de 172.31.17.151:8443;
@@ -90,8 +90,8 @@ stream {
         woodpecker.hamburg.ccc.de 172.31.17.160:8443;
         design.hamburg.ccc.de 172.31.17.162:8443;
         hydra.hamburg.ccc.de 172.31.17.163:8443;
-        cfp.eh22.easterhegg.eu pretalx-intern.hamburg.ccc.de:8443;
-        ntfy.hamburg.ccc.de 172.31.17.149:8443;
+        cfp.eh22.easterhegg.eu pretalx.hosts.hamburg.ccc.de:8443;
+        ntfy.hamburg.ccc.de ntfy.hosts.hamburg.ccc.de:8443;
         cryptoparty-hamburg.de 172.31.17.151:8443;
         cryptoparty.hamburg.ccc.de 172.31.17.151:8443;
         staging.cryptoparty-hamburg.de 172.31.17.151:8443;
diff --git a/resources/chaosknoten/router/nftables/nftables.conf b/resources/chaosknoten/router/nftables/nftables.conf
index 6d04a4c..ca62a97 100644
--- a/resources/chaosknoten/router/nftables/nftables.conf
+++ b/resources/chaosknoten/router/nftables/nftables.conf
@@ -39,13 +39,29 @@ table inet host {
         ct state established,related accept
 
 		ip protocol icmp accept
-		ip6 nexthdr icmpv6 accept
+        # ICMPv6
+        # https://datatracker.ietf.org/doc/html/rfc4890#autoid-24
+        # Allowlist consisting of: "Traffic That Must Not Be Dropped" and "Traffic That Normally Should Not Be Dropped"
+        # Error messages that are essential to the establishment and maintenance of communications:
+        icmpv6 type { destination-unreachable, packet-too-big } accept
+        icmpv6 type { time-exceeded } accept
+        icmpv6 type { parameter-problem } accept
+        # Connectivity checking messages:
+        icmpv6 type { echo-request, echo-reply } accept
+        # Address Configuration and Router Selection messages:
+        icmpv6 type { nd-router-solicit, nd-router-advert, nd-neighbor-solicit, nd-neighbor-advert, ind-neighbor-solicit, ind-neighbor-advert } accept
+        # Link-Local Multicast Receiver Notification messages:
+        icmpv6 type { mld-listener-query, mld-listener-report, mld-listener-done, mld2-listener-report } accept
+        # SEND Certificate Path Notification messages:
+        icmpv6 type { 148, 149 } accept
+        # Multicast Router Discovery messages:
+        icmpv6 type { 151, 152, 153 } accept
 
         # Allow SSH access.
         tcp dport 22 accept comment "allow ssh access"
 
         # Allow DHCP server access.
-		iifname $if_net0_3_ci_runner udp dport 67 accept comment "allow dhcp server access"
+		iifname { $if_net0_2_v4_nat, $if_net0_3_ci_runner } udp dport 67 accept comment "allow dhcp server access"
     }
 }
 
diff --git a/resources/chaosknoten/router/systemd_networkd/21-net0.2-v4_nat.network b/resources/chaosknoten/router/systemd_networkd/21-net0.2-v4_nat.network
index c7fd9a7..b15259d 100644
--- a/resources/chaosknoten/router/systemd_networkd/21-net0.2-v4_nat.network
+++ b/resources/chaosknoten/router/systemd_networkd/21-net0.2-v4_nat.network
@@ -11,6 +11,12 @@ Description=v4-NAT
 # Masquerading done in nftables (nftables.conf).
 IPv6SendRA=yes
 
+DHCPServer=true
+
+[DHCPServer]
+PoolOffset=100
+PoolSize=150
+
 [Address]
 Address=10.32.2.1/24
 
diff --git a/resources/chaosknoten/sunders/docker_compose/compose.yaml.j2 b/resources/chaosknoten/sunders/docker_compose/compose.yaml.j2
index fbec258..1df2bca 100644
--- a/resources/chaosknoten/sunders/docker_compose/compose.yaml.j2
+++ b/resources/chaosknoten/sunders/docker_compose/compose.yaml.j2
@@ -3,7 +3,7 @@
 
 services:
   db:
-    image: mariadb:12.0.2
+    image: mariadb:12.1.2
     command: --max_allowed_packet=3250585600
     environment:
       MYSQL_ROOT_PASSWORD: "{{ secret__sunders_db_root_password }}"
diff --git a/resources/chaosknoten/sunders/nginx/sunders.hamburg.ccc.de.conf b/resources/chaosknoten/sunders/nginx/sunders.hamburg.ccc.de.conf
index 04cc006..185c005 100644
--- a/resources/chaosknoten/sunders/nginx/sunders.hamburg.ccc.de.conf
+++ b/resources/chaosknoten/sunders/nginx/sunders.hamburg.ccc.de.conf
@@ -2,12 +2,12 @@
 # https://ssl-config.mozilla.org/#server=nginx&version=1.17.7&config=intermediate&openssl=1.1.1k&guideline=5.6
 server {
     # Listen on a custom port for the proxy protocol.
-    listen 8443 ssl http2 proxy_protocol;
+    listen [::]:8443 ssl http2 proxy_protocol;
     # Make use of the ngx_http_realip_module to set the $remote_addr and
     # $remote_port to the client address and client port, when using proxy
     # protocol.
     # First set our proxy protocol proxy as trusted.
-    set_real_ip_from 172.31.17.140;
+    set_real_ip_from 2a00:14b0:4200:3000:125::1;
     # Then tell the realip_module to get the addreses from the proxy protocol
     # header.
     real_ip_header proxy_protocol;
diff --git a/resources/chaosknoten/tickets/nginx/tickets.hamburg.ccc.de.conf b/resources/chaosknoten/tickets/nginx/tickets.hamburg.ccc.de.conf
index 9e2ca26..e93ff93 100644
--- a/resources/chaosknoten/tickets/nginx/tickets.hamburg.ccc.de.conf
+++ b/resources/chaosknoten/tickets/nginx/tickets.hamburg.ccc.de.conf
@@ -2,12 +2,12 @@
 # https://ssl-config.mozilla.org/#server=nginx&version=1.17.7&config=intermediate&openssl=1.1.1k&guideline=5.6
 server {
     # Listen on a custom port for the proxy protocol.
-    listen 8443 ssl http2 proxy_protocol;
+    listen [::]:8443 ssl http2 proxy_protocol;
     # Make use of the ngx_http_realip_module to set the $remote_addr and
     # $remote_port to the client address and client port, when using proxy
     # protocol.
     # First set our proxy protocol proxy as trusted.
-    set_real_ip_from 172.31.17.140;
+    set_real_ip_from 2a00:14b0:4200:3000:125::1;
     # Then tell the realip_module to get the addreses from the proxy protocol
     # header.
     real_ip_header proxy_protocol;
diff --git a/resources/chaosknoten/wiki/nginx/wiki.ccchh.net.conf b/resources/chaosknoten/wiki/nginx/wiki.ccchh.net.conf
index 472236a..d89b5b8 100644
--- a/resources/chaosknoten/wiki/nginx/wiki.ccchh.net.conf
+++ b/resources/chaosknoten/wiki/nginx/wiki.ccchh.net.conf
@@ -2,7 +2,6 @@
 # https://ssl-config.mozilla.org/#server=nginx&version=1.17.7&config=intermediate&openssl=1.1.1k&guideline=5.6
 server {
     # Listen on a custom port for the proxy protocol.
-    listen 8443 ssl http2 proxy_protocol;
     listen [::]:8443 ssl http2 proxy_protocol;
     # Make use of the ngx_http_realip_module to set the $remote_addr and
     # $remote_port to the client address and client port, when using proxy
diff --git a/resources/chaosknoten/wiki/nginx/wiki.hamburg.ccc.de.conf b/resources/chaosknoten/wiki/nginx/wiki.hamburg.ccc.de.conf
index b4eab7f..5065c1d 100644
--- a/resources/chaosknoten/wiki/nginx/wiki.hamburg.ccc.de.conf
+++ b/resources/chaosknoten/wiki/nginx/wiki.hamburg.ccc.de.conf
@@ -2,7 +2,6 @@
 # https://ssl-config.mozilla.org/#server=nginx&version=1.17.7&config=intermediate&openssl=1.1.1k&guideline=5.6
 server {
     # Listen on a custom port for the proxy protocol.
-    listen 8443 ssl http2 proxy_protocol;
     listen [::]:8443 ssl http2 proxy_protocol;
     # Make use of the ngx_http_realip_module to set the $remote_addr and
     # $remote_port to the client address and client port, when using proxy
diff --git a/resources/chaosknoten/zammad/nginx/zammad.hamburg.ccc.de.conf b/resources/chaosknoten/zammad/nginx/zammad.hamburg.ccc.de.conf
index c1f9182..b94cb5c 100644
--- a/resources/chaosknoten/zammad/nginx/zammad.hamburg.ccc.de.conf
+++ b/resources/chaosknoten/zammad/nginx/zammad.hamburg.ccc.de.conf
@@ -2,12 +2,12 @@
 # https://ssl-config.mozilla.org/#server=nginx&version=1.17.7&config=intermediate&openssl=1.1.1k&guideline=5.6
 server {
     # Listen on a custom port for the proxy protocol.
-    listen 8443 ssl http2 proxy_protocol;
+    listen [::]:8443 ssl http2 proxy_protocol;
     # Make use of the ngx_http_realip_module to set the $remote_addr and
     # $remote_port to the client address and client port, when using proxy
     # protocol.
     # First set our proxy protocol proxy as trusted.
-    set_real_ip_from 172.31.17.140;
+    set_real_ip_from 2a00:14b0:4200:3000:125::1;
     # Then tell the realip_module to get the addreses from the proxy protocol
     # header.
     real_ip_header proxy_protocol;
diff --git a/roles/alloy/tasks/main.yaml b/roles/alloy/tasks/main.yaml
deleted file mode 100644
index 2bc308a..0000000
--- a/roles/alloy/tasks/main.yaml
+++ /dev/null
@@ -1,48 +0,0 @@
-# https://github.com/grafana/grafana-ansible-collection/blob/main/roles/alloy/tasks/deploy.yml#L124
-- name: ensure alloy user exists
-  ansible.builtin.user:
-    name: alloy
-    system: true
-    append: true
-    create_home: false
-    state: present
-
-- name: ensure the `/etc/alloy/` config directory exists
-  ansible.builtin.file:
-    path: /etc/alloy
-    state: directory
-    mode: "0770"
-    owner: root
-    group: alloy
-  become: true
-
-- name: synchronize the additional configuration files directory, if present
-  when: alloy__additional_configs_dir is defined and alloy__additional_configs_dir != ""
-  block:
-    - name: ensure rsync is installed
-      ansible.builtin.apt:
-        name: rsync
-      become: true
-
-    - name: synchronize the additional configuration files directory, if present
-      ansible.posix.synchronize:
-        src: "{{ alloy__additional_configs_dir }}"
-        dest: /etc/alloy/additional
-        delete: true
-        recursive: true
-        use_ssh_args: true
-        rsync_opts:
-          - "--chown=root:alloy"
-      become: true
-
-- name: delete the additional configuration files directory, if not present
-  when: alloy__additional_configs_dir is not defined or alloy__additional_configs_dir == ""
-  ansible.builtin.file:
-    path: /etc/alloy/additional
-    state: absent
-  become: true
-
-- name: Setup Alloy
-  ansible.builtin.import_role:
-    name: grafana.grafana.alloy
-  become: true
diff --git a/roles/ansible_pull/tasks/main.yaml b/roles/ansible_pull/tasks/main.yaml
index 5abcd10..61a2635 100644
--- a/roles/ansible_pull/tasks/main.yaml
+++ b/roles/ansible_pull/tasks/main.yaml
@@ -3,6 +3,7 @@
     - name: ensure apt dependencies are installed
       ansible.builtin.apt:
         name:
+          - python3-pip
           - virtualenv
           - git
         state: present
diff --git a/roles/base_config/tasks/main.yaml b/roles/base_config/tasks/main.yaml
new file mode 100644
index 0000000..cd8affd
--- /dev/null
+++ b/roles/base_config/tasks/main.yaml
@@ -0,0 +1,13 @@
+# Ensure the ssh module is disabled, so a cloud-init config change doesn't regenerate the host keys for no reason.
+- name: check if cloud-init config file exists
+  ansible.builtin.stat:
+    path: /etc/cloud/cloud.cfg
+  register: base_config__stat_cloud_cfg
+
+- name: ensure the cloud-init ssh module is disabled
+  ansible.builtin.replace:
+    path: /etc/cloud/cloud.cfg
+    regexp: " - ssh$"
+    replace: " #- ssh"
+  become: true
+  when: base_config__stat_cloud_cfg.stat.exists
diff --git a/roles/certbot/meta/main.yaml b/roles/certbot/meta/main.yaml
index b4a1c6f..9b678e9 100644
--- a/roles/certbot/meta/main.yaml
+++ b/roles/certbot/meta/main.yaml
@@ -7,3 +7,4 @@ dependencies:
           major_versions:
             - 11
             - 12
+            - 13
diff --git a/roles/docker/meta/main.yaml b/roles/docker/meta/main.yaml
index b4a1c6f..9b678e9 100644
--- a/roles/docker/meta/main.yaml
+++ b/roles/docker/meta/main.yaml
@@ -7,3 +7,4 @@ dependencies:
           major_versions:
             - 11
             - 12
+            - 13
diff --git a/roles/dokuwiki/meta/main.yml b/roles/dokuwiki/meta/main.yml
index b4a1c6f..9b678e9 100644
--- a/roles/dokuwiki/meta/main.yml
+++ b/roles/dokuwiki/meta/main.yml
@@ -7,3 +7,4 @@ dependencies:
           major_versions:
             - 11
             - 12
+            - 13
diff --git a/roles/nginx/meta/main.yaml b/roles/nginx/meta/main.yaml
index 02b00ac..78bb770 100644
--- a/roles/nginx/meta/main.yaml
+++ b/roles/nginx/meta/main.yaml
@@ -7,3 +7,4 @@ dependencies:
           major_versions:
             - "11"
             - "12"
+            - "13"
diff --git a/roles/prometheus_node_exporter/meta/main.yaml b/roles/prometheus_node_exporter/meta/main.yaml
index 02b00ac..78bb770 100644
--- a/roles/prometheus_node_exporter/meta/main.yaml
+++ b/roles/prometheus_node_exporter/meta/main.yaml
@@ -7,3 +7,4 @@ dependencies:
           major_versions:
             - "11"
             - "12"
+            - "13"