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<article itemscope itemtype="http://schema.org/Article"><div class="article__header"><header><h1 style="color:Tomato;">vps785909 debian 10 - wgvpn.ovh (ARRET 04/02/2021)</h1></header></div><meta itemprop="headline" content="vps785909 debian 10 - wgvpn.ovh (ARRET 04/02/2021)"><div class="article__info clearfix"><ul class="left-col menu"><li>
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href="/archive.html?tag=serveur">serveur</a>
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<i class="far fa-calendar-alt"></i>&nbsp;<span title="Création" style="color:#FF00FF">21&nbsp;oct.&nbsp;&nbsp;2020</span>
<span title="Modification" style="color:#00FF7F">28&nbsp;oct.&nbsp;&nbsp;2020</span></li></ul></div><meta itemprop="datePublished" content="2020-10-28T00:00:00+01:00">
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<summary><b>Afficher/cacher Sommaire</b></summary>
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</details><p><em>OVH vps785909 (1 vCore/2GoRam/20GoSSD) Debian Buster</em></p>
<h1 id="--serveur-vps785909"><img src="/images/logo-ovh-horizontal-blue.png" alt="OVH" width="80" /> Serveur vps785909</h1>
<h2 id="-debian-10-21102020"><img src="/images/debian-buster-logo1.png" alt="Debian Buster" width="100" /> Debian 10 (21/10/2020)</h2>
<p>PARAMETRES DACCES:<br />
Ladresse IPv4 du VPS est : 54.37.13.57<br />
Ladresse IPv6 du VPS est : 2001:41d0:401:3200:0:0:0:d48</p>
<p>Le nom du VPS est : vps785909.ovh.net<br />
Connexion SSH en “root” ( 7ast3LBJ )</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>ssh root@54.37.13.57
</code></pre></div></div>
<h3 id="-réseau"><img src="/images/ipv6-ipv4-logo.png" alt="ipv6-ipv4" width="80" /> Réseau</h3>
<p>Créer un bash pour désactiver linitialisation réseau par le cloud sur le VPS OVH</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>nano initres.sh
</code></pre></div></div>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>#!/bin/bash
#
# To disable cloud-init's network configuration capabilities, write a file
# /etc/cloud/cloud.cfg.d/99-disable-network-config.cfg with the following:
# network: {config: disabled}
#
#Création du fichier **/etc/cloud/cloud.cfg.d/99-disable-network-config.cfg** en mode su
echo "network: {config: disabled}" &gt; /etc/cloud/cloud.cfg.d/99-disable-network-config.cfg
#
# Effacerle fichier /etc/network/interfaces
rm /etc/network/interfaces
# Recréer le fichier /etc/network/interfaces
cat &gt; /etc/network/interfaces &lt;&lt; EOF
auto lo
iface lo inet loopback
auto eth0
iface eth0 inet dhcp
iface eth0 inet6 static
address 2001:41d0:401:3200:0:0:0:d48
netmask 128
post-up /sbin/ip -6 route add 2001:41d0:0401:3200:0000:0000:0000:0001 dev eth0
post-up /sbin/ip -6 route add default via 2001:41d0:0401:3200:0000:0000:0000:0001 dev eth0
pre-down /sbin/ip -6 route del default via 2001:41d0:0401:3200:0000:0000:0000:0001 dev eth0
pre-down /sbin/ip -6 route del 2001:41d0:0401:3200:0000:0000:0000:0001 dev eth0
EOF
#
# Configuration OVH à modifier /etc/cloud/cloud.cfg
sed -i 's/preserve_hostname: false/preserve_hostname: true/g' /etc/cloud/cloud.cfg
sed -i 's/manage_etc_hosts: true/manage_etc_hosts: false/g' /etc/cloud/cloud.cfg
#
# Redémarrage de la machine
systemctl reboot
</code></pre></div></div>
<p>Droits et exécution</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>chmod +x initres.sh &amp;&amp; ./initres.sh
</code></pre></div></div>
<p>Patienter quelques minutes avant la reconnexion…</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>54.37.13.57
2001:41d0:401:3200:0:0:0:d48
2001:41d0:0401:3200:0000:0000:0000:0001
</code></pre></div></div>
<p>Se connecter en root via SSH</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>ssh root@54.37.13.57
</code></pre></div></div>
<p>Vérifier le réseau <code class="language-plaintext highlighter-rouge">ip a</code> et noyau <code class="language-plaintext highlighter-rouge">uname -r</code></p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>1: lo: &lt;LOOPBACK,UP,LOWER_UP&gt; mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
2: eth0: &lt;BROADCAST,MULTICAST,UP,LOWER_UP&gt; mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
link/ether fa:16:3e:e8:26:8c brd ff:ff:ff:ff:ff:ff
inet 54.37.13.57/32 brd 54.37.13.57 scope global dynamic eth0
valid_lft 86323sec preferred_lft 86323sec
inet6 2001:41d0:401:3200::d48/128 scope global
valid_lft forever preferred_lft forever
inet6 fe80::f816:3eff:fee8:268c/64 scope link
valid_lft forever preferred_lft forever
</code></pre></div></div>
<h3 id="-domaine-wgvpnovh"><img src="/images/dns-logo.png" alt="dns" width="30" /> Domaine wgvpn.ovh</h3>
<p>Zone dns OVH</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>$TTL 3600
@ IN SOA dns111.ovh.net. tech.ovh.net. (2020102701 86400 3600 3600000 300)
IN NS dns111.ovh.net.
IN NS ns111.ovh.net.
IN A 54.37.13.57
IN AAAA 2001:41d0:401:3200:0:0:0:d48
wg IN CNAME wgvpn.ovh.
zic IN CNAME wgvpn.ovh.
</code></pre></div></div>
<p>Reverse DNS sur “server” , IP 54.37.13.57 → wgvpn.ovh</p>
<p>Hostname</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>hostnamectl # set-hostname wgvpn.ovh
</code></pre></div></div>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code> Static hostname: vps785909
Icon name: computer-vm
Chassis: vm
Machine ID: b75eed7f218c4263bd0662a52feba713
Boot ID: fae504268fc745d5b23215d9486414f2
Virtualization: kvm
Operating System: Debian GNU/Linux 10 (buster)
Kernel: Linux 5.9.0-1-cloud-amd64
Architecture: x86-64
</code></pre></div></div>
<h3 id="création-utilisateur">Création utilisateur</h3>
<p>Utilisateur <strong>vpsrnm</strong></p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>useradd -m -d /home/vpsrnm/ -s /bin/bash vpsrnm
</code></pre></div></div>
<p>Mot de passe <strong>vpsrnm</strong></p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>passwd vpsrnm
</code></pre></div></div>
<p>Visudo pour les accès root via utilisateur <strong>vpsrnm</strong></p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>echo "vpsrnm ALL=(ALL) NOPASSWD: ALL" &gt;&gt; /etc/sudoers
</code></pre></div></div>
<p>Changer le mot de passe root</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>passwd root
</code></pre></div></div>
<h3 id="-openssh-clé-et-script"><img src="/images/openssh-logo.png" alt="OpenSSH" /> OpenSSH, clé et script</h3>
<p><strong>connexion avec clé</strong><br />
<u>sur l'ordinateur de bureau</u>
Générer une paire de clé curve25519-sha256 (ECDH avec Curve25519 et SHA2) nommé <strong>kvm-cinay</strong> pour une liaison SSH avec le serveur KVM.</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>ssh-keygen -t ed25519 -o -a 100 -f ~/.ssh/kvm-vps785909
</code></pre></div></div>
<p>Envoyer la clé publique sur le serveur KVM</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>scp ~/.ssh/kvm-vps785909.pub vpsrnm@54.37.13.57:/home/vpsrnm/
</code></pre></div></div>
<p><u>sur le serveur KVM</u>
On se connecte</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>ssh vpsrnm@54.37.13.57
</code></pre></div></div>
<p>Copier le contenu de la clé publique dans /home/$USER/.ssh/authorized_keys</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>cd ~
</code></pre></div></div>
<p>Sur le KVM ,créer un dossier .ssh</p>
<div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="nb">mkdir</span> .ssh
<span class="nb">cat</span> <span class="nv">$HOME</span>/kvm-vps785909.pub <span class="o">&gt;&gt;</span> <span class="nv">$HOME</span>/.ssh/authorized_keys
<span class="nb">chmod </span>600 <span class="nv">$HOME</span>/.ssh/authorized_keys <span class="c"># donner les droits</span>
<span class="nb">rm</span> <span class="nv">$HOME</span>/kvm-vps785909.pub <span class="c"># effacer le fichier de la clé </span>
</code></pre></div></div>
<p>Modifier la configuration serveur SSH</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo nano /etc/ssh/sshd_config # attention aux 2 dernières lignes
</code></pre></div></div>
<p>Modifier</p>
<div class="language-conf highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="n">Port</span> <span class="m">55034</span>
<span class="n">PasswordAuthentication</span> <span class="n">no</span> <span class="c"># avant dernière ligne
</span><span class="n">PermitRootLogin</span> <span class="n">no</span> <span class="c"># dernière ligne
</span></code></pre></div></div>
<p><u>session SSH ne se termine pas correctement lors d'un "reboot" à distance</u><br />
Si vous tentez de <strong>redémarrer/éteindre</strong> une machine distance par <strong>ssh</strong>, vous pourriez constater que votre session ne se termine pas correctement, vous laissant avec un terminal inactif jusquà lexpiration dun long délai dinactivité. Il existe un bogue 751636 à ce sujet. Pour linstant, la solution de contournement à ce problème est dinstaller :</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo apt install libpam-systemd # installé par défaut sur debian buster
</code></pre></div></div>
<p>cela terminera la session ssh avant que le réseau ne tombe.<br />
Veuillez noter quil est nécessaire que PAM soit activé dans sshd.</p>
<p>Relancer openSSH</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo systemctl restart sshd
</code></pre></div></div>
<p>Accès depuis le poste distant avec la clé privée</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>ssh -p 55034 -i ~/.ssh/kvm-vps785909 vpsrnm@54.37.13.57
</code></pre></div></div>
<h3 id="outils-scripts-motd-et-ssh_rc_bash">Outils, scripts motd et ssh_rc_bash</h3>
<p>Installer utilitaires</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo apt install rsync curl tmux jq figlet git dnsutils tree -y
</code></pre></div></div>
<p>Motd</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo rm /etc/motd &amp;&amp; sudo nano /etc/motd
</code></pre></div></div>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code> ____ ___ ___ ___ __ ___
__ __ _ __ ___|__ |( _ )| __|/ _ \ / \ / _ \
\ V /| '_ \(_-&lt; / / / _ \|__ \\_, /| () |\_, /
\_/ | .__//__/ /_/ \___/|___/ /_/ \__/ /_/
__ __|_| __ _ __ __ _ __ _ _ ___ __ __| |_
\ V V // _` |\ V /| '_ \| ' \ _ / _ \\ V /| ' \
\_/\_/ \__, | \_/ | .__/|_||_|(_)\___/ \_/ |_||_|
|___/ |_|
</code></pre></div></div>
<p>Script <strong>ssh_rc_bash</strong></p>
<blockquote>
<p><strong>ATTENTION!!! Les scripts sur connexion peuvent poser des problèmes pour des appels externes autres que ssh</strong></p>
</blockquote>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>wget https://static.xoyaz.xyz/files/ssh_rc_bash
chmod +x ssh_rc_bash # rendre le bash exécutable
./ssh_rc_bash # exécution
</code></pre></div></div>
<p><img src="/images/vps785909.png" alt="" /></p>
<h3 id="certificats-">Certificats <img src="/images/LetsEncrypt.png" alt="LetsEncrypt.png" width="100" /></h3>
<p>Installer acme: <a href="https://blog.cinay.xyz/2017/08/Acme-Certficats-Serveurs.html">Serveur , installer et renouveler les certificats SSL Lets encrypt via Acme</a></p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>cd ~
sudo apt install socat -y # prérequis
git clone https://github.com/Neilpang/acme.sh.git
cd acme.sh
./acme.sh --install # se déconnecter pour prise en compte
# export des clé API OVH
</code></pre></div></div>
<p>Générer les certificats pour le domaine wgvpn.ovh</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>acme.sh --dns dns_ovh --ocsp --issue --keylength ec-384 -d 'wgvpn.ovh' -d 'wg.wgvpn.ovh' -d 'zic.wgvpn.ovh'
</code></pre></div></div>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>[Wed 21 Oct 2020 02:37:48 PM CEST] Your cert is in /home/vpsrnm//.acme.sh/wgvpn.ovh_ecc/wgvpn.ovh.cer
[Wed 21 Oct 2020 02:37:48 PM CEST] Your cert key is in /home/vpsrnm//.acme.sh/wgvpn.ovh_ecc/wgvpn.ovh.key
[Wed 21 Oct 2020 02:37:48 PM CEST] The intermediate CA cert is in /home/vpsrnm//.acme.sh/wgvpn.ovh_ecc/ca.cer
[Wed 21 Oct 2020 02:37:48 PM CEST] And the full chain certs is there: /home/vpsrnm//.acme.sh/wgvpn.ovh_ecc/fullchain.cer
</code></pre></div></div>
<p>Les liens avec <strong>/etc/ssl/private</strong></p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo ln -s /home/vpsrnm//.acme.sh/wgvpn.ovh_ecc/fullchain.cer /etc/ssl/private/wgvpn.ovh-fullchain.pem # full chain certs
sudo ln -s /home/vpsrnm//.acme.sh/wgvpn.ovh_ecc/wgvpn.ovh.key /etc/ssl/private/wgvpn.ovh-key.pem # cert key
sudo ln -s /home/vpsrnm//.acme.sh/wgvpn.ovh_ecc/wgvpn.ovh.cer /etc/ssl/private/wgvpn.ovh-chain.pem # cert domain
sudo ln -s /home/vpsrnm//.acme.sh/wgvpn.ovh_ecc/ca.cer /etc/ssl/private/wgvpn.ovh-ca.pem # intermediate CA cert
</code></pre></div></div>
<h3 id="-parefeu"><img src="/images/ufw-logo1.png" alt="ufw" width="50" /> Parefeu</h3>
<p><em>UFW, ou pare - feu simple , est une interface pour gérer les règles de pare-feu dans Arch Linux, Debian ou Ubuntu. UFW est utilisé via la ligne de commande (bien quil dispose dinterfaces graphiques disponibles), et vise à rendre la configuration du pare-feu facile (ou simple).</em></p>
<p>Installation <strong>Debian / Ubuntu</strong></p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo apt install ufw
</code></pre></div></div>
<p><em>Par défaut, les jeux de règles dUFW sont vides, de sorte quil napplique aucune règle de pare-feu, même lorsque le démon est en cours dexécution.</em></p>
<p>Les règles</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo ufw allow 55034/tcp # port SSH , 55034
sudo ufw allow http # port 80
sudo ufw allow https # port 53
sudo ufw allow DNS # port 53
</code></pre></div></div>
<p>Activer le parefeu</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo ufw enable
</code></pre></div></div>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Command may disrupt existing ssh connections. Proceed with operation (y|n)? y
Firewall is active and enabled on system startup
</code></pre></div></div>
<p>Status</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code> sudo ufw status verbose
</code></pre></div></div>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Status: active
Logging: on (low)
Default: deny (incoming), allow (outgoing), disabled (routed)
New profiles: skip
To Action From
-- ------ ----
55034/tcp ALLOW IN Anywhere
80/tcp ALLOW IN Anywhere
443/tcp ALLOW IN Anywhere
53 (DNS) ALLOW IN Anywhere
55034/tcp (v6) ALLOW IN Anywhere (v6)
80/tcp (v6) ALLOW IN Anywhere (v6)
443/tcp (v6) ALLOW IN Anywhere (v6)
53 (DNS (v6)) ALLOW IN Anywhere (v6)
</code></pre></div></div>
<h2 id="wireguard">Wireguard</h2>
<h3 id="installer-noyau-58">Installer noyau 5.8+</h3>
<p><em>A partir du noyau 5.6 le module wireguard est intégré</em></p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>echo "deb http://deb.debian.org/debian/ unstable main" | sudo tee /etc/apt/sources.list.d/unstable-wireguard.list
printf 'Package: *\nPin: release a=unstable\nPin-Priority: 90\n' | sudo tee /etc/apt/preferences.d/limit-unstable
apt update &amp;&amp; apt upgrade
</code></pre></div></div>
<p>Rechercher limage</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>apt search linux-image-5
</code></pre></div></div>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>linux-image-5.9.0-1-cloud-amd64/buster-backports,buster-backports 5.8.10-1~bpo10+1 amd64
</code></pre></div></div>
<p>Installer le noyau</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>apt install linux-image-5.9.0-1-cloud-amd64
</code></pre></div></div>
<blockquote>
<p><strong>REDEMARRER <code class="language-plaintext highlighter-rouge">sudo systemctl reboot</code></strong></p>
</blockquote>
<p>Connexion SSH</p>
<p>Vérifications <code class="language-plaintext highlighter-rouge">uname -a</code> <br />
<em>Linux vps785909 5.9.0-1-cloud-amd64 #1 SMP Debian 5.9.1-1 (2020-10-17) x86_64 GNU/Linux</em></p>
<p>Supprimer les images non utilisées</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo apt remove linux-image-4.19.0-11-cloud-amd64
</code></pre></div></div>
<blockquote>
<p><strong>REDEMARRER <code class="language-plaintext highlighter-rouge">sudo systemctl reboot</code></strong></p>
</blockquote>
<h3 id="wireguard---base">Wireguard - base</h3>
<p><em>WireGuard est un serveur VPN à code source ouvert, gratuit, moderne et rapide, doté dune cryptographie de pointe. Il est plus rapide et plus simple que lIPSec et lOpenVPN</em></p>
<p>Wireguard est dans le noyau 5.6+</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>apt install wireguard
</code></pre></div></div>
<p>Si parefeu , ouvrir le port UDP 51820 ,avec UFW : <code class="language-plaintext highlighter-rouge">sudo ufw allow 51820/udp # wireguard</code></p>
<p><strong>Générer une paire de clés</strong></p>
<p>On se positionne dans le dossier <strong>/etc/wireguard/</strong></p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>cd /etc/wireguard
</code></pre></div></div>
<p>WireGuard repose sur une authentification par clé publique/privée (cryptographie asymétrique), vous devez donc créer ces clés avec les sous-commandes wg genkey et wg pubkey<br />
La création de la clé privée se fait avec wg genkey et la clé publique est générée en la canalisant dans wg pubkey</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>umask 077; wg genkey | tee vps785909-private.key | wg pubkey &gt; vps785909-public.key
</code></pre></div></div>
<p>**Autoriser le serveur Wireguard à relayer les paquets **</p>
<p>Autoriser le serveur Wireguard à relayer les paquets venant de ces clients vers linternet et de traiter les paquets retours (modifier <strong>/etc/sysctl.conf</strong>)</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sed -i 's/^#net.ipv4.ip_forward=1/net.ipv4.ip_forward=1/' /etc/sysctl.conf
sed -i 's/^#net.ipv6.conf.all.forwarding=1/net.ipv6.conf.all.forwarding=1/' /etc/sysctl.conf
sysctl -p # prise en compte immédiate
</code></pre></div></div>
<p>Résultat</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>net.ipv4.ip_forward = 1
net.ipv6.conf.all.forwarding = 1
</code></pre></div></div>
<p><strong>Fichier de configuration /etc/wireguard/wg0.conf</strong></p>
<p>Récupérer le nom de la carte réseau <code class="language-plaintext highlighter-rouge">ip a</code> , dans notre cas <strong>eth0</strong></p>
<p>La première étape consiste à choisir une plage IPV4 privée, <a href="https://www.fakeaddresstool.com/random-ipv4-private-generator/">Random IPV4 Private Address Generator</a>, qui sera utilisée par le serveur : <strong>10.22.55.0/8</strong></p>
<p>Pour une adresse IPV6 <a href="https://www.ultratools.com/tools/rangeGenerator">Local IPv6 Address Generator</a> : <strong>fd80:4c53:98dc:9ea2::/64</strong></p>
<table>
<thead>
<tr>
<th>Prefix/L</th>
<th>fd</th>
</tr>
</thead>
<tbody>
<tr>
<td>Global ID</td>
<td>804c5398dc</td>
</tr>
<tr>
<td>Subnet ID</td>
<td>9ea2</td>
</tr>
<tr>
<td>Combine/CID</td>
<td>fd80:4c53:98dc:9ea2::/64</td>
</tr>
<tr>
<td>IPv6 addresses</td>
<td>fd80:4c53:98dc:9ea2::/64:XXXX:XXXX:XXXX:XXXX</td>
</tr>
<tr>
<td>Start Range</td>
<td>fd80:4c53:98dc:9ea2:0:0:0:0</td>
</tr>
<tr>
<td>End Range</td>
<td>fd80:4c53:98dc:9ea2:ffff:ffff:ffff:ffff</td>
</tr>
<tr>
<td>No. of hosts</td>
<td>18446744073709551616</td>
</tr>
</tbody>
</table>
<p>Nous utiliserons 10.22.55.0/24 qui se trouve dans la plage 10.22.55.0/8 . Le serveur aura ladresse IP suivante: 10.22.55.1 . Il est également nécessaire de choisir un port, qui sera exposé publiquement, pour que le serveur écoute.Le port de documentation standard est généralement 51820.</p>
<p>Créer le fichier <strong>/etc/wireguard/wg0.conf</strong></p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>nano /etc/wireguard/wg0.conf
</code></pre></div></div>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>[Interface]
Address = 10.22.55.1/24
Address = fd80:4c53:98dc:9ea2::1/64
ListenPort = 51820
PostUp = iptables -A FORWARD -i wg0 -j ACCEPT; iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE; ip6tables -A FORWARD -i wg0 -j ACCEPT; ip6tables -t nat -A POSTROUTING -o eth0 -j MASQUERADE
PostDown = iptables -D FORWARD -i wg0 -j ACCEPT; iptables -t nat -D POSTROUTING -o eth0 -j MASQUERADE; ip6tables -D FORWARD -i wg0 -j ACCEPT; ip6tables -t nat -D POSTROUTING -o eth0 -j MASQUERADE
PrivateKey = 5Zsr0jQXiuCpHFkye325Zsr0jMUKinVEOPmk=
DNS = 10.22.55.1
DNS = fd80:4c53:98dc:9ea2::1
SaveConfig = true
</code></pre></div></div>
<p><strong>Address</strong> , fixer ladresse IP privée du serveur à lintérieur du VPN.Les adresses du réseau VPN de 10.22.55.0 à 10.22.55.255 sont fixées par le masque <strong>/24</strong><br />
<strong>PostUp</strong> , pour la mise en place des règles iptables de translation dadresses à lactivation du VPN (autoriser le routage des paquets réseau venant des clients vers internet)<br />
<strong>PostDown</strong> , pour la suppression des règles iptables de translation dadresses à larrêt du VPN<br />
<strong>PrivateKey</strong> , clé privée du serveur</p>
<p>Modification des droits (lecture uniquement par “root”)</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>chmod 600 /etc/wireguard/wg0.conf
</code></pre></div></div>
<h3 id="dns-unbound">DNS Unbound</h3>
<p><img src="/images/unbound-250.png" alt="" width="100" /></p>
<p>Un problème majeur avec beaucoup de configurations VPN est que le DNS nest pas suffisant. Cela finit par une fuite de connexion client et de détails demplacement. Un bon moyen de tester cela est à travers le site <a href="http://dnsleak.com/">http://dnsleak.com/</a></p>
<p>Nous allons sécuriser le trafic DNS avec la solution <strong>unbound</strong> qui offre les caractéristiques suivantes</p>
<ul>
<li>Léger et rapide</li>
<li>Facile à installer et à configurer</li>
<li>Orienté sécurité</li>
<li>Prise en charge DNSSEC</li>
</ul>
<p>Nous allons le configurer de manière à contrer les fuites DNS, les attaques plus sophistiquées comme la fausse configuration de proxy, les routeurs escrocs et toutes sortes dattaques MITM sur HTTPS et autres protocoles.</p>
<p>Nous installons unbound sur le serveur <br />
Passage en mode super utilisateur</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo -s # ou su
</code></pre></div></div>
<blockquote>
<p>ATTENTION : Le programme <strong>resolvconf</strong> est en général seulement nécessaire quand un système a plusieurs programmes qui ont besoin de modifier de façon dynamique les informations sur les serveurs de noms de domaine. Sur un système simple où les serveurs de noms de domaine ne changent pas souvent ou bien ne sont modifiés que par un programme, le <u>fichier de configuration **resolv.conf** est suffisant</u>.<br />
Il faut installer <strong>resolvconf</strong>, sinon on a une erreur <strong>unbound-resolvconf</strong><br />
Une fois le paquet « <strong>resolvconf</strong> » installé, <u>il ne faut plus modifier le fichier</u> « <strong>/etc/resolv.conf</strong> », car le contenu de celui-ci sera automatiquement géré et remplacé par « <strong>resolvconf</strong> ».</p>
</blockquote>
<p>Installation des outils dns, des paquets Unbound et resolv :</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>apt install unbound unbound-host resolvconf -y
</code></pre></div></div>
<p>Téléchargement de la liste des serveurs DNS racines</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>curl -o /var/lib/unbound/root.hints https://www.internic.net/domain/named.cache
chown unbound:unbound /var/lib/unbound/root.hints
</code></pre></div></div>
<p>Ajout dun fichier de configuration <strong>dns-vps785909.conf</strong></p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>/etc/unbound/unbound.conf.d/dns-vps785909.conf
</code></pre></div></div>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>server:
num-threads: 4
# enable logs
verbosity: 0 # no verbosity, only errors
# liste des serveurs DNS racine
root-hints: "/var/lib/unbound/root.hints"
# Répondre aux requêtes DNS sur toutes les interfaces
interface: 0.0.0.0 # 0.0.0.0 unbound sur plusieurs interfaces
interface: ::0
max-udp-size: 3072
# IPs authorised to access the DNS Server
access-control: 0.0.0.0/0 refuse
access-control: 127.0.0.0/8 allow
access-control: 10.22.55.0/16 allow
access-control: ::0/0 refuse
access-control: ::1 allow
access-control: ::ffff:127.0.0.1 allow
access-control: fe80::/10 allow
access-control: fd80:4c53:98dc:9ea2::/48 allow
local-zone: "22.10.in-addr.arpa." transparent
#hide DNS Server info
hide-identity: yes
hide-version: yes
# limit DNS fraud and use DNSSEC
harden-glue: yes
harden-dnssec-stripped: yes
harden-referral-path: yes
# add an unwanted reply threshold to clean the cache and avoid, when possible, DNS poisoning
unwanted-reply-threshold: 10000000
# have the validator print validation failures to the log
val-log-level: 1
# minimum lifetime of cache entries in seconds
cache-min-ttl: 1800
# maximum lifetime of cached entries in seconds
cache-max-ttl: 14400
prefetch: yes
prefetch-key: yes
#include: /etc/unbound/unbound.conf.d/adslist.txt
</code></pre></div></div>
<p>Droits</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>chown -R unbound:unbound /var/lib/unbound
</code></pre></div></div>
<p>Pour vérifier si le fichier de configuration est valide</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>unbound-checkconf /etc/unbound/unbound.conf.d/dns-vps785909.conf
</code></pre></div></div>
<p><em>unbound-checkconf: no errors in /etc/unbound/unbound.conf.d/dns-vps785909.conf</em><br />
Désactiver systemd-resolved (si utilisé)</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>systemctl stop systemd-resolved
systemctl disable systemd-resolved
</code></pre></div></div>
<p>Activer Unbound (ILS SONT ACTIFS DES LEUR INSTALLATION)</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>systemctl enable unbound-resolvconf
systemctl enable unbound
</code></pre></div></div>
<blockquote>
<p><strong>Redémarrer le serveur <code class="language-plaintext highlighter-rouge">systemctl reboot</code></strong></p>
</blockquote>
<h2 id="nginx-light">Nginx-light</h2>
<p><a href="/2020/10/27/nginx-light.html">Nginx-light</a></p>
<p>Installation <code class="language-plaintext highlighter-rouge">sudo apt install nginx-light</code></p>
<p>Modifier <strong>/etc/nginx/nginx.conf</strong></p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code> ssl_protocols TLSv1.2 TLSv1.3;
ssl_prefer_server_ciphers off;
</code></pre></div></div>
<p><a href="/2017/08/31/Acme-Certficats-Serveurs.html">Serveur , installer et renouveler les certificats SSL Lets encrypt via Acme</a></p>
<p>Modifier le fichier <strong>/etc/nginx/sites-enabled/default</strong></p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>server {
listen 80;
listen [::]:80;
server_name wgvpn.ovh;
return 301 https://$host$request_uri;
}
server {
listen 443 ssl http2;
listen [::]:443 ssl http2;
server_name wgvpn.ovh;
ssl_certificate /etc/ssl/private/wgvpn.ovh-fullchain.pem;
ssl_certificate_key /etc/ssl/private/wgvpn.ovh-key.pem;
root /var/www/html;
index index.html index.htm index.nginx-debian.html;
# TLS 1.3 only
ssl_protocols TLSv1.3;
ssl_prefer_server_ciphers off;
# HSTS (ngx_http_headers_module is required) (63072000 seconds)
add_header Strict-Transport-Security "max-age=63072000" always;
# OCSP stapling
ssl_stapling on;
ssl_stapling_verify on;
# verify chain of trust of OCSP response using Root CA and Intermediate certs
ssl_trusted_certificate /etc/ssl/private/wgvpn.ovh-fullchain.pem;
# replace with the IP address of your resolver
resolver 127.0.0.1;
}
server {
listen 80;
listen [::]:80;
server_name wg.wgvpn.ovh;
return 301 https://$host$request_uri;
}
server {
listen 443 ssl http2;
listen [::]:443 ssl http2;
server_name wg.wgvpn.ovh;
ssl_certificate /etc/ssl/private/wgvpn.ovh-fullchain.pem;
ssl_certificate_key /etc/ssl/private/wgvpn.ovh-key.pem;
root /var/www/html;
index index.html index.htm index.nginx-debian.html;
# TLS 1.3 only
ssl_protocols TLSv1.3;
ssl_prefer_server_ciphers off;
# HSTS (ngx_http_headers_module is required) (63072000 seconds)
add_header Strict-Transport-Security "max-age=63072000" always;
# OCSP stapling
ssl_stapling on;
ssl_stapling_verify on;
# verify chain of trust of OCSP response using Root CA and Intermediate certs
ssl_trusted_certificate /etc/ssl/private/wgvpn.ovh-fullchain.pem;
# replace with the IP address of your resolver
resolver 127.0.0.1;
}
server {
listen 80;
listen [::]:80;
server_name zic.wgvpn.ovh;
return 301 https://$host$request_uri;
}
server {
listen 443 ssl http2;
listen [::]:443 ssl http2;
server_name zic.wgvpn.ovh;
ssl_certificate /etc/ssl/private/wgvpn.ovh-fullchain.pem;
ssl_certificate_key /etc/ssl/private/wgvpn.ovh-key.pem;
root /var/www/html;
index index.html index.htm index.nginx-debian.html;
# TLS 1.3 only
ssl_protocols TLSv1.3;
ssl_prefer_server_ciphers off;
# HSTS (ngx_http_headers_module is required) (63072000 seconds)
add_header Strict-Transport-Security "max-age=63072000" always;
# OCSP stapling
ssl_stapling on;
ssl_stapling_verify on;
# verify chain of trust of OCSP response using Root CA and Intermediate certs
ssl_trusted_certificate /etc/ssl/private/wgvpn.ovh-fullchain.pem;
# replace with the IP address of your resolver
resolver 127.0.0.1;
}
</code></pre></div></div>
<p>Déposer une image <code class="language-plaintext highlighter-rouge">wallpaper.jpg</code> dans le dossier <strong>/var/www/html</strong> <br />
Créer un fichier <code class="language-plaintext highlighter-rouge">/var/www/html/index.html</code></p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>
</code></pre></div></div>
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function put (data) {
if (isObject(data)) {
return addObject(data)
}
if (isArray(data)) {
return addArray(data)
}
return undefined
}
function clear () {
data.length = 0
return data
}
function isObject (obj) {
return Boolean(obj) && Object.prototype.toString.call(obj) === '[object Object]'
}
function isArray (obj) {
return Boolean(obj) && Object.prototype.toString.call(obj) === '[object Array]'
}
function addObject (_data) {
data.push(_data)
return data
}
function addArray (_data) {
const added = []
clear()
for (let i = 0, len = _data.length; i < len; i++) {
if (isObject(_data[i])) {
added.push(addObject(_data[i]))
}
}
return added
}
function search (crit) {
if (!crit) {
return []
}
return findMatches(data, crit, opt.searchStrategy, opt).sort(opt.sort)
}
function __setOptions_4 (_opt) {
opt = _opt || {}
opt.fuzzy = _opt.fuzzy || false
opt.limit = _opt.limit || 10
opt.searchStrategy = _opt.fuzzy ? _$FuzzySearchStrategy_5 : _$LiteralSearchStrategy_6
opt.sort = _opt.sort || NoSort
opt.exclude = _opt.exclude || []
}
function findMatches (data, crit, strategy, opt) {
const matches = []
for (let i = 0; i < data.length && matches.length < opt.limit; i++) {
const match = findMatchesInObject(data[i], crit, strategy, opt)
if (match) {
matches.push(match)
}
}
return matches
}
function findMatchesInObject (obj, crit, strategy, opt) {
for (const key in obj) {
if (!isExcluded(obj[key], opt.exclude) && strategy.matches(obj[key], crit)) {
return obj
}
}
}
function isExcluded (term, excludedTerms) {
for (let i = 0, len = excludedTerms.length; i < len; i++) {
const excludedTerm = excludedTerms[i]
if (new RegExp(excludedTerm).test(term)) {
return true
}
}
return false
}
/* globals ActiveXObject:false */
'use strict'
var _$JSONLoader_2 = {
load: load
}
function load (location, callback) {
const xhr = getXHR()
xhr.open('GET', location, true)
xhr.onreadystatechange = createStateChangeListener(xhr, callback)
xhr.send()
}
function createStateChangeListener (xhr, callback) {
return function () {
if (xhr.readyState === 4 && xhr.status === 200) {
try {
callback(null, JSON.parse(xhr.responseText))
} catch (err) {
callback(err, null)
}
}
}
}
function getXHR () {
return window.XMLHttpRequest ? new window.XMLHttpRequest() : new ActiveXObject('Microsoft.XMLHTTP')
}
'use strict'
var _$OptionsValidator_3 = function OptionsValidator (params) {
if (!validateParams(params)) {
throw new Error('-- OptionsValidator: required options missing')
}
if (!(this instanceof OptionsValidator)) {
return new OptionsValidator(params)
}
const requiredOptions = params.required
this.getRequiredOptions = function () {
return requiredOptions
}
this.validate = function (parameters) {
const errors = []
requiredOptions.forEach(function (requiredOptionName) {
if (typeof parameters[requiredOptionName] === 'undefined') {
errors.push(requiredOptionName)
}
})
return errors
}
function validateParams (params) {
if (!params) {
return false
}
return typeof params.required !== 'undefined' && params.required instanceof Array
}
}
'use strict'
var _$utils_9 = {
merge: merge,
isJSON: isJSON
}
function merge (defaultParams, mergeParams) {
const mergedOptions = {}
for (const option in defaultParams) {
mergedOptions[option] = defaultParams[option]
if (typeof mergeParams[option] !== 'undefined') {
mergedOptions[option] = mergeParams[option]
}
}
return mergedOptions
}
function isJSON (json) {
try {
if (json instanceof Object && JSON.parse(JSON.stringify(json))) {
return true
}
return false
} catch (err) {
return false
}
}
var _$src_8 = {};
(function (window) {
'use strict'
let options = {
searchInput: null,
resultsContainer: null,
json: [],
success: Function.prototype,
searchResultTemplate: '<li><a href="{url}" title="{desc}">{title}</a></li>',
templateMiddleware: Function.prototype,
sortMiddleware: function () {
return 0
},
noResultsText: 'No results found',
limit: 10,
fuzzy: false,
debounceTime: null,
exclude: []
}
let debounceTimerHandle
const debounce = function (func, delayMillis) {
if (delayMillis) {
clearTimeout(debounceTimerHandle)
debounceTimerHandle = setTimeout(func, delayMillis)
} else {
func.call()
}
}
const requiredOptions = ['searchInput', 'resultsContainer', 'json']
/* removed: const _$Templater_7 = require('./Templater') */;
/* removed: const _$Repository_4 = require('./Repository') */;
/* removed: const _$JSONLoader_2 = require('./JSONLoader') */;
const optionsValidator = _$OptionsValidator_3({
required: requiredOptions
})
/* removed: const _$utils_9 = require('./utils') */;
window.SimpleJekyllSearch = function (_options) {
const errors = optionsValidator.validate(_options)
if (errors.length > 0) {
throwError('You must specify the following required options: ' + requiredOptions)
}
options = _$utils_9.merge(options, _options)
_$Templater_7.setOptions({
template: options.searchResultTemplate,
middleware: options.templateMiddleware
})
_$Repository_4.setOptions({
fuzzy: options.fuzzy,
limit: options.limit,
sort: options.sortMiddleware,
exclude: options.exclude
})
if (_$utils_9.isJSON(options.json)) {
initWithJSON(options.json)
} else {
initWithURL(options.json)
}
const rv = {
search: search
}
typeof options.success === 'function' && options.success.call(rv)
return rv
}
function initWithJSON (json) {
_$Repository_4.put(json)
registerInput()
}
function initWithURL (url) {
_$JSONLoader_2.load(url, function (err, json) {
if (err) {
throwError('failed to get JSON (' + url + ')')
}
initWithJSON(json)
})
}
function emptyResultsContainer () {
options.resultsContainer.innerHTML = ''
}
function appendToResultsContainer (text) {
options.resultsContainer.innerHTML += text
}
function registerInput () {
options.searchInput.addEventListener('input', function (e) {
if (isWhitelistedKey(e.which)) {
emptyResultsContainer()
debounce(function () { search(e.target.value) }, options.debounceTime)
}
})
}
function search (query) {
if (isValidQuery(query)) {
emptyResultsContainer()
render(_$Repository_4.search(query), query)
}
}
function render (results, query) {
const len = results.length
if (len === 0) {
return appendToResultsContainer(options.noResultsText)
}
for (let i = 0; i < len; i++) {
results[i].query = query
appendToResultsContainer(_$Templater_7.compile(results[i]))
}
}
function isValidQuery (query) {
return query && query.length > 0
}
function isWhitelistedKey (key) {
return [13, 16, 20, 37, 38, 39, 40, 91].indexOf(key) === -1
}
function throwError (message) {
throw new Error('SimpleJekyllSearch --- ' + message)
}
})(window)
}());
</script>
<!-- Configuration -->
<script>
SimpleJekyllSearch({
searchInput: document.getElementById('search-input'),
resultsContainer: document.getElementById('results-container'),
noResultsText: '<p>Aucun résultat!</p>',
json: '/search.json',
searchResultTemplate: '<li><a href="{url}">{date}&nbsp;{title}</a>&nbsp;(Création {create})</li>'
})
</script>
</div></div>
<script>(function() {
var SOURCES = window.TEXT_VARIABLES.sources;
window.Lazyload.js(SOURCES.jquery, function() {
function scrollToAnchor(anchor, duration, callback) {
var $root = this;
$root.animate({ scrollTop: $(anchor).position().top }, duration, function() {
window.history.replaceState(null, '', window.location.href.split('#')[0] + anchor);
callback && callback();
});
}
$.fn.scrollToAnchor = scrollToAnchor;
});
})();
(function() {
var SOURCES = window.TEXT_VARIABLES.sources;
window.Lazyload.js(SOURCES.jquery, function() {
function affix(options) {
var $root = this, $window = $(window), $scrollTarget, $scroll,
offsetBottom = 0, scrollTarget = window, scroll = window.document, disabled = false, isOverallScroller = true,
rootTop, rootLeft, rootHeight, scrollBottom, rootBottomTop,
hasInit = false, curState;
function setOptions(options) {
var _options = options || {};
_options.offsetBottom && (offsetBottom = _options.offsetBottom);
_options.scrollTarget && (scrollTarget = _options.scrollTarget);
_options.scroll && (scroll = _options.scroll);
_options.disabled !== undefined && (disabled = _options.disabled);
$scrollTarget = $(scrollTarget);
isOverallScroller = window.isOverallScroller($scrollTarget[0]);
$scroll = $(scroll);
}
function preCalc() {
top();
rootHeight = $root.outerHeight();
rootTop = $root.offset().top + (isOverallScroller ? 0 : $scrollTarget.scrollTop());
rootLeft = $root.offset().left;
}
function calc(needPreCalc) {
needPreCalc && preCalc();
scrollBottom = $scroll.outerHeight() - offsetBottom - rootHeight;
rootBottomTop = scrollBottom - rootTop;
}
function top() {
if (curState !== 'top') {
$root.removeClass('fixed').css({
left: 0,
top: 0
});
curState = 'top';
}
}
function fixed() {
if (curState !== 'fixed') {
$root.addClass('fixed').css({
left: rootLeft + 'px',
top: 0
});
curState = 'fixed';
}
}
function bottom() {
if (curState !== 'bottom') {
$root.removeClass('fixed').css({
left: 0,
top: rootBottomTop + 'px'
});
curState = 'bottom';
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top();
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var interval, timeout;
calc(true); setState();
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calc();
}, 100);
timeout = setTimeout(function() {
clearInterval(interval);
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window.pageLoad.then(function() {
setTimeout(function() {
clearInterval(interval);
clearTimeout(timeout);
}, 3000);
});
$scrollTarget.on('scroll', function() {
disabled || setState();
});
$window.on('resize', function() {
disabled || (calc(true), setState());
});
hasInit = true;
}
}
setOptions(options);
if (!disabled) {
init();
}
$window.on('resize', window.throttle(function() {
init();
}, 200));
return {
setOptions: setOptions,
refresh: function() {
calc(true, { animation: false }); setState();
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};
}
$.fn.affix = affix;
});
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var SOURCES = window.TEXT_VARIABLES.sources;
window.Lazyload.js(SOURCES.jquery, function() {
function toc(options) {
var $root = this, $window = $(window), $scrollTarget, $scroller, $tocUl = $('<ul class="toc toc--ellipsis"></ul>'), $tocLi, $headings, $activeLast, $activeCur,
selectors = 'h1,h2,h3', container = 'body', scrollTarget = window, scroller = 'html, body', disabled = false,
headingsPos, scrolling = false, hasRendered = false, hasInit = false;
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var _options = options || {};
_options.selectors && (selectors = _options.selectors);
_options.container && (container = _options.container);
_options.scrollTarget && (scrollTarget = _options.scrollTarget);
_options.scroller && (scroller = _options.scroller);
_options.disabled !== undefined && (disabled = _options.disabled);
$headings = $(container).find(selectors).filter('[id]');
$scrollTarget = $(scrollTarget);
$scroller = $(scroller);
}
function calc() {
headingsPos = [];
$headings.each(function() {
headingsPos.push(Math.floor($(this).position().top));
});
}
function setState(element, disabled) {
var scrollTop = $scrollTarget.scrollTop(), i;
if (disabled || !headingsPos || headingsPos.length < 1) { return; }
if (element) {
$activeCur = element;
} else {
for (i = 0; i < headingsPos.length; i++) {
if (scrollTop >= headingsPos[i]) {
$activeCur = $tocLi.eq(i);
} else {
$activeCur || ($activeCur = $tocLi.eq(i));
break;
}
}
}
$activeLast && $activeLast.removeClass('active');
($activeLast = $activeCur).addClass('active');
}
function render() {
if(!hasRendered) {
$root.append($tocUl);
$headings.each(function() {
var $this = $(this);
$tocUl.append($('<li></li>').addClass('toc-' + $this.prop('tagName').toLowerCase())
.append($('<a></a>').text($this.text()).attr('href', '#' + $this.prop('id'))));
});
$tocLi = $tocUl.children('li');
$tocUl.on('click', 'a', function(e) {
e.preventDefault();
var $this = $(this);
scrolling = true;
setState($this.parent());
$scroller.scrollToAnchor($this.attr('href'), 400, function() {
scrolling = false;
});
});
}
hasRendered = true;
}
function init() {
var interval, timeout;
if(!hasInit) {
render(); calc(); setState(null, scrolling);
// run calc every 100 millisecond
interval = setInterval(function() {
calc();
}, 100);
timeout = setTimeout(function() {
clearInterval(interval);
}, 45000);
window.pageLoad.then(function() {
setTimeout(function() {
clearInterval(interval);
clearTimeout(timeout);
}, 3000);
});
$scrollTarget.on('scroll', function() {
disabled || setState(null, scrolling);
});
$window.on('resize', window.throttle(function() {
if (!disabled) {
render(); calc(); setState(null, scrolling);
}
}, 100));
}
hasInit = true;
}
setOptions(options);
if (!disabled) {
init();
}
$window.on('resize', window.throttle(function() {
init();
}, 200));
return {
setOptions: setOptions
};
}
$.fn.toc = toc;
});
})();
/*(function () {
})();*/
</script><script>
/* toc must before affix, since affix need to konw toc' height. */(function() {
var SOURCES = window.TEXT_VARIABLES.sources;
var TOC_SELECTOR = window.TEXT_VARIABLES.site.toc.selectors;
window.Lazyload.js(SOURCES.jquery, function() {
var $window = $(window);
var $articleContent = $('.js-article-content');
var $tocRoot = $('.js-toc-root'), $col2 = $('.js-col-aside');
var toc;
var tocDisabled = false;
var hasSidebar = $('.js-page-root').hasClass('layout--page--sidebar');
var hasToc = $articleContent.find(TOC_SELECTOR).length > 0;
function disabled() {
return $col2.css('display') === 'none' || !hasToc;
}
tocDisabled = disabled();
toc = $tocRoot.toc({
selectors: TOC_SELECTOR,
container: $articleContent,
scrollTarget: hasSidebar ? '.js-page-main' : null,
scroller: hasSidebar ? '.js-page-main' : null,
disabled: tocDisabled
});
$window.on('resize', window.throttle(function() {
tocDisabled = disabled();
toc && toc.setOptions({
disabled: tocDisabled
});
}, 100));
});
})();
(function() {
var SOURCES = window.TEXT_VARIABLES.sources;
window.Lazyload.js(SOURCES.jquery, function() {
var $window = $(window), $pageFooter = $('.js-page-footer');
var $pageAside = $('.js-page-aside');
var affix;
var tocDisabled = false;
var hasSidebar = $('.js-page-root').hasClass('layout--page--sidebar');
affix = $pageAside.affix({
offsetBottom: $pageFooter.outerHeight(),
scrollTarget: hasSidebar ? '.js-page-main' : null,
scroller: hasSidebar ? '.js-page-main' : null,
scroll: hasSidebar ? $('.js-page-main').children() : null,
disabled: tocDisabled
});
$window.on('resize', window.throttle(function() {
affix && affix.setOptions({
disabled: tocDisabled
});
}, 100));
window.pageAsideAffix = affix;
});
})();
</script><!---->
</div>
<script>(function () {
var $root = document.getElementsByClassName('root')[0];
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