Resolve "execution des roles plus flexible"

2020-04-20 21:00:38 +02:00
parent 465876051e
commit dd883c8c1a
18 changed files with 106 additions and 170 deletions
@@ -0,0 +1,7 @@
+[Unit]
+After=nftables.service
+PartOf=nftables.service
+
+[Service]
+ExecStartPre=nft add table inet filter
+ExecStartPre=nft add chain inet filter input { type filter hook input priority 0; policy accept; }
@@ -0,0 +1,10 @@
+[DEFAULT]
+
+backend = systemd
+banaction = nftables-multiport
+
+# 92.154.111.181 - IP des bureaux de nereide
+ignoreip = 127.0.0.1 92.154.111.181
+findtime = 1h
+bantime = 1d
+maxretry = 3
@@ -0,0 +1,35 @@
+
+#!/usr/sbin/nftables -f
+
+flush ruleset
+
+# family `inet` c'est pour ipv4/ipv6
+table inet myfilter {
+        chain myglobal {
+                # par défaut on accepte tous les paquets entrant
+                type filter hook input priority 0; policy accept;
+                # accepte les ping (mais pas plus de 1 par seconde)
+                ip protocol icmp icmp type { echo-request, echo-reply } limit rate 1/second accept
+                ip protocol icmp icmp type { echo-request, echo-reply } drop
+                ip6 nexthdr icmpv6 icmpv6 type { echo-request, echo-reply } limit rate 1/second accept
+                ip6 nexthdr icmpv6 icmpv6 type { echo-request, echo-reply } drop
+                # on accepte tout le reste du traffic icmp
+                ip protocol icmp accept
+                ip6 nexthdr icmpv6 accept
+                # accepte le traffic qui vient de nous
+                ct state established,related accept
+                ct state invalid drop
+                # accepte le traffic localhost
+                iif lo accept
+                # accepte tout le traffic ssh peut importe l'origine
+                tcp dport 22 accept
+                # accepte le traffic tcp depuis le reste du monde si la cible est un des ports http, https, smtp
+                tcp dport {80, 443} accept
+                # ouvre les port udp I/O 10000 et 44446 pour jitsi
+                udp dport {10000, 4446} accept
+                udp sport {10000, 4446} accept
+                
+                # count and drop any other traffic
+                counter drop
+        }
+}
@@ -0,0 +1,13 @@
+---
+- name: restart fail2ban
+  systemd:
+    name: fail2ban
+    state: restarted
+    daemon_reload: true
+    enabled: true
+
+- name: restart nftables
+  systemd:
+    name: nftables
+    state: restarted
+    enabled: true
@@ -0,0 +1,63 @@
+---
+- name: Installation de fail2ban, nftables, gnupg2, apt-transport-https
+  apt:
+    name:
+      - fail2ban
+      - nftables
+      - gnupg2
+      - apt-transport-https
+    update_cache: true
+    state: present
+
+- name: Appliquation des règles de ban ssh
+  template:
+    src: ../files/jail.conf
+    dest: /etc/fail2ban/jail.d/jail.conf
+  notify:
+    - restart fail2ban
+
+- name: Création du répertoire pour la surcharge systemd
+  file:
+    name: /etc/systemd/system/fail2ban.service.d
+    state: directory
+
+- name: Règle de base pour nftables
+  template:
+    src: ../files/fail2ban-override.conf
+    dest: /etc/systemd/system/fail2ban.service.d/override.conf
+
+- name: Déploiement des règles nftables (base)
+  tags:
+    - nftables
+  template:
+    src: ../files/nftables.conf
+    dest: /etc/nftables.conf
+  notify:
+    - restart nftables
+    - restart fail2ban
+
+- name: Ajout de la clé GPG pour le depot jitsi
+  apt_key:
+    url: http://download.jitsi.org/jitsi-key.gpg.key
+
+- name: Ajout du depot jitsi
+  apt_repository:
+    repo: deb https://download.jitsi.org stable/
+
+- name: apt update
+  apt:
+    update_cache: true
+
+- name: Application du hostname avant installation
+  debconf:
+    name: jitsi-meet-web-config
+    question: jitsi-videobridge/jvb-hostname
+    value: '{{ inventory_hostname }}'
+    vtype: string
+
+- name: On veut un certificat autogénéré
+  debconf:
+    name: jitsi-meet-web-config
+    question: jitsi-meet/cert-choice
+    value: "Generate a new self-signed certificate (You will later get a chance to obtain a Let's encrypt certificate)"
+    vtype: string