890 lines
23 KiB
HTML
890 lines
23 KiB
HTML
<!doctype html>
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<html lang="fr">
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<head>
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<meta charset="utf-8">
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||
<title>Formation Evolix : Services HTTP</title>
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|
||
<meta name="description" content="A framework for easily creating beautiful presentations using HTML">
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<meta name="author" content="Hakim El Hattab">
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<meta name="apple-mobile-web-app-capable" content="yes">
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<meta name="apple-mobile-web-app-status-bar-style" content="black-translucent">
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<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
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<link rel="stylesheet" href="reveal.js/css/reveal.css">
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<link rel="stylesheet" href="reveal.js/css/theme/beige.css" id="theme">
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<!-- Theme used for syntax highlighting of code -->
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<link rel="stylesheet" href="reveal.js/lib/css/zenburn.css">
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<!-- Printing and PDF exports -->
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<script>
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var link = document.createElement( 'link' );
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link.rel = 'stylesheet';
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link.type = 'text/css';
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link.href = window.location.search.match( /print-pdf/gi ) ? 'reveal.js/css/print/pdf.css' : 'reveal.js/css/print/paper.css';
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document.getElementsByTagName( 'head' )[0].appendChild( link );
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</script>
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<!--[if lt IE 9]>
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<script src="reveal.js/lib/js/html5shiv.js"></script>
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<![endif]-->
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</head>
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<body>
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<div class="reveal">
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<!-- Any section element inside of this container is displayed as a slide -->
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<div class="slides">
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<section>
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<h1>Formation Evolix</h1>
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<h3>Services HTTP</h3>
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||
</section>
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||
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||
<section>
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||
<section>
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||
<h2>Apache</h2>
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||
Serveur HTTP le plus utilisé, depuis 1996
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||
</section>
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||
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||
<section>
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||
<h3>Installation</h3>
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||
<pre><code data-trim class="hljs nohighlight">
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||
# apt install apache2-mpm-itk \
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||
libapache2-mod-evasive apachetop libwww-perl
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||
|
||
# apachectl configtest
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||
</code></pre>
|
||
</section>
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||
|
||
<section>
|
||
<h3>Fichiers de configuration</h3>
|
||
<pre>
|
||
/etc/apache2/
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||
├── apache2.conf
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||
├── conf-available
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||
│ └── *.conf
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||
├── conf-enabled
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||
│ └── *.conf -> ../conf-available/*.conf
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||
├── envvars
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||
├── magic
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||
├── mods-available
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||
│ ├── *.conf
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||
│ └── *.load
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||
├── mods-enabled
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||
│ ├── *.conf -> ../mods-available/*.conf
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||
│ └── *.load -> ../mods-available/*.load
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||
├── ports.conf
|
||
├── sites-available
|
||
│ └── *.conf
|
||
└── sites-enabled
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||
└── *.conf -> ../sites-available/*.conf
|
||
</pre>
|
||
</section>
|
||
|
||
<section>
|
||
<h3>Des modules à la carte</h3>
|
||
<pre><code data-trim class="hljs nohighlight">
|
||
# a2enmod rewrite expires headers rewrite cgi
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||
</code></pre>
|
||
</section>
|
||
|
||
<section>
|
||
<h3>Optimisations "Evolix"</h3>
|
||
<pre><code data-trim class="apache" style="max-height: 500px">
|
||
ServerTokens Prod
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||
Timeout 10
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||
KeepAliveTimeout 2
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||
MaxKeepAliveRequests 10
|
||
ServerLimit 250
|
||
#MaxClients 250
|
||
MaxRequestWorkers 250
|
||
StartServers 50
|
||
MinSpareServers 20
|
||
MaxSpareServers 30
|
||
MaxRequestsPerChild 100
|
||
<Directory /home/>
|
||
AllowOverride None
|
||
Require all granted
|
||
</Directory>
|
||
<IfModule mod_ssl.c>
|
||
SSLProtocol all -SSLv2 -SSLv3
|
||
SSLCipherSuite HIGH:MEDIUM:!aNULL:!MD5:!RC4
|
||
</IfModule>
|
||
</code></pre>
|
||
</section>
|
||
|
||
<section>
|
||
<h4>Forcer le umask</h4>
|
||
<pre><code data-trim class="hljs nohighlight"># grep umask /etc/apache2/envvars</code>
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||
umask 007
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||
</pre>
|
||
</section>
|
||
|
||
|
||
<section>
|
||
<h3>VirtualHost</h3>
|
||
<ul>
|
||
<li>Permet de séparer de plusieurs sites sur un même serveur HTTP</li>
|
||
<li>Séparation par nom de domaine ou par adresses IP</li>
|
||
</ul>
|
||
</section>
|
||
|
||
|
||
<section>
|
||
<h4>VirtualHost basé sur un nom de domaine</h4>
|
||
<!-- Je n'ai pas trouvé le moyen d'avoir du code à balise qui soit proprement affiché tout en conservant le texte brut intacte. -->
|
||
<pre><code data-trim class="apache" style="max-height: 600px">
|
||
<VirtualHost *:80>
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||
ServerName www.example.com
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||
ServerAlias example.com
|
||
|
||
DocumentRoot /home/example/www/
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||
<Directory /home/example/www/>
|
||
Options SymLinksIfOwnerMatch
|
||
AllowOverride AuthConfig Limit FileInfo Indexes
|
||
</Directory>
|
||
|
||
AssignUserID www-example example
|
||
MaxClientsVHost 150
|
||
|
||
CustomLog /var/log/apache2/access.log vhost_combined
|
||
CustomLog /home/example/log/access.log combined
|
||
ErrorLog /home/example/log/error.log
|
||
|
||
RewriteEngine On
|
||
UseCanonicalName On
|
||
RewriteCond %{HTTP_HOST} !^www.example.com$
|
||
RewriteRule ^/(.*) http://%{SERVER_NAME}/$1 [L,R]
|
||
</VirtualHost>
|
||
</code></pre>
|
||
|
||
</section>
|
||
|
||
<section>
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||
<h4>Activation du site</h4>
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||
<pre><code data-trim class="hljs nohighlight">
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||
# adduser example
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# adduser --ingroup example www-example
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||
# mkdir /home/example/{www,log,awstats}
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||
# chown example: /home/example/{www,log,awstats}
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||
# a2ensite example
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||
</code></pre>
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||
</section>
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||
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||
<section>
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||
<h3>Gestion des droits avec Apache-ITK</h3>
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||
<ul>
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||
<li>user/group distincts pour chaque VirtualHost</li>
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||
<li>séparation stricte des droits</li>
|
||
<li>… y compris la lecture</li>
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||
<li>… y compris avec PHP</li>
|
||
</ul>
|
||
<pre><code data-trim class="hljs nohighlight">
|
||
# chmod 750 /home/example
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||
</code></pre>
|
||
</section>
|
||
|
||
<section>
|
||
<h3>Restriction en écriture pour Apache</h3>
|
||
<ul>
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||
<li>Lecture seule pour Apache, sauf certains répertoires (uploads/, cache/)</li>
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||
<li>utilisateur dédié pour l'écriture par Apache : www-example</li>
|
||
<li>… et pour FTP/SSH/SFTP/SCP/RSYNC : example</li>
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||
<li>groupe commun pour tous et droits accordés au groupe</li>
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||
<li>pas besoin de chmod, Apache a son umask à 007</li>
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||
</ul>
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||
<pre><code data-trim class="hljs nohighlight">
|
||
# echo "umask 027" >> /etc/profile
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||
# find /home/example -type f -user www-example -exec chmod 660 {} \;
|
||
# find /home/example -type d -user www-example -exec chmod 770 {} \;
|
||
</code></pre>
|
||
</section>
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||
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||
<section>
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||
<h4>Attention !</h4>
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||
<p><strong>Ne jamais forcer les droits récursivement<br>sur toute l’arborescence.</strong> <mark>#NEVER777</mark></p>
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||
<p>Si la restriction en écriture pour Apache est impossible :</p>
|
||
<ul>
|
||
<li>plus d’utilisateur distinct</li>
|
||
<li>"AssignUserID example example" élimine 100% des soucis de droits</li>
|
||
<li>… mais réduction de la sécurité</li>
|
||
</ul>
|
||
|
||
</section>
|
||
|
||
<section>
|
||
<h2>HTTPS ‑ TLS/SSL</h2>
|
||
</section>
|
||
<section>
|
||
<h3>Activation du module SSL pour Apache</h3>
|
||
<pre><code data-trim class="hljs nohighlight">
|
||
# a2enmod ssl
|
||
</code></pre>
|
||
</section>
|
||
<section>
|
||
<h3>Création d'un certificat</h3>
|
||
<pre><code data-trim class="hljs nohighlight">
|
||
# openssl req -newkey rsa:2048 -sha256 -nodes \
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||
-keyout private.key -out demande.csr
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||
# openssl x509 -req -days 3650 -sha256 -in demande.csr \
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||
-signkey private.key -out certificate.crt
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||
# mv private.key /etc/ssl/private/
|
||
# chown root:ssl-cert /etc/ssl/private/private.key
|
||
# chmod 640 /etc/ssl/private/private.key
|
||
# mv certificate.crt /etc/ssl/certs
|
||
# chown root:root /etc/ssl/certs/certificate.crt
|
||
# chmod 644 /etc/ssl/certs/certificate.crt
|
||
</code></pre>
|
||
</section>
|
||
|
||
<section>
|
||
<h3>Modification du VirtualHost</h3>
|
||
<pre><code data-trim class="apache">
|
||
<VirtualHost *:80 *:443>
|
||
ServerName secure.example.com
|
||
ServerAlias www.example.com example.com
|
||
|
||
SSLEngine on
|
||
SSLProtocol all -SSLv2 -SSLv3
|
||
SSLCertificateKeyFile /etc/ssl/private/private.key
|
||
SSLCertificateFile /etc/ssl/certs/certificate.crt
|
||
# SSLCertificateChainFile /etc/ssl/certs/certificates_chain.pem
|
||
|
||
RewriteEngine On
|
||
RewriteCond %{HTTPS} !=on
|
||
RewriteRule ^/(.*) https://%{SERVER_NAME}/$1 [L,R=permanent]
|
||
</VirtualHost>
|
||
</code></pre>
|
||
</section>
|
||
|
||
<section>
|
||
<h3>logs</h3>
|
||
Apache propose plusieurs formats de logs
|
||
<pre><code data-trim class="apache">
|
||
CustomLog log/global_access.log vhost_combined
|
||
CustomLog log/access.log combined
|
||
|
||
SetEnvIf User-Agent "Foo" dontlog
|
||
CustomLog log/access.log combined env=!dontlog
|
||
|
||
ErrorLog log/error.log
|
||
</code></pre>
|
||
</section>
|
||
|
||
<section>
|
||
<h3>Authentification "HTTP Basic"</h3>
|
||
Le module mod_auth_basic est disponible par défaut.
|
||
<pre><code data-trim class="apache">
|
||
AuthType Basic
|
||
AuthName "Restricted"
|
||
AuthUserFile /foo/.htpasswd
|
||
AuthGroupFile /dev/null
|
||
require valid-user
|
||
</code></pre>
|
||
</section>
|
||
|
||
<section>
|
||
<h3>Règles de ré-écriture</h3>
|
||
<pre><code data-trim class="apache" style="max-height: 500px">
|
||
RedirectPermanent / http://new.example.com
|
||
|
||
RedirectMatch ^/(.*)$ http://new.example.com/$1
|
||
|
||
# GET / --> /sub/
|
||
RedirectMatch ^/$ /sub/
|
||
|
||
RewriteRule ^/(.*) http://new.example.com/$1 [L,R=permanent]
|
||
|
||
RewriteCond %{REQUEST_URI} !^/foo.txt
|
||
RewriteRule ^/(.*) https://%{SERVER_NAME}/$1 [L,R]
|
||
|
||
# le drapeau NC pour ne pas tenir compte de la casse
|
||
RewriteRule ^/FoO.tXt /sub/ [L,R,NC]
|
||
|
||
# empêcher des requêtes POST sur une URL particulière
|
||
RewriteCond %{REQUEST_METHOD} POST
|
||
RewriteRule ^/foo.txt [L,F]
|
||
</code></pre>
|
||
</section>
|
||
|
||
<section>
|
||
<h3>mod_evasive</h3>
|
||
<p>Limite les accès, notamment les dénis de service </p>
|
||
<pre><code data-trim class="apache">
|
||
<IfModule mod_evasive20.c>
|
||
DOSHashTableSize 3097
|
||
DOSPageCount 5
|
||
DOSSiteCount 30
|
||
DOSPageInterval 3
|
||
DOSSiteInterval 1
|
||
DOSBlockingPeriod 60
|
||
DOSEmailNotify security@example.com
|
||
</IfModule>
|
||
</code></pre>
|
||
</section>
|
||
|
||
<section>
|
||
<h3>Fail2ban</h3>
|
||
<ul>
|
||
<li>recherche de comportements anormaux dans les logs</li>
|
||
<li>blocage temporaire ou permanent, via firewall</li>
|
||
</ul>
|
||
</section>
|
||
|
||
<section>
|
||
<h3>Apachetop</h3>
|
||
Affiche en direct des stats sur le trafic, d'après les logs.
|
||
<pre><code data-trim class="hljs nohighlight">
|
||
$ apachetop -f access.log -T 3600 -q
|
||
</code></pre>
|
||
</section>
|
||
|
||
<section>
|
||
<h3>mod_status</h3>
|
||
Génère une page web résumant l'état d'Apache.
|
||
<pre><code data-trim class="apache">
|
||
<IfModule mod_status.c>
|
||
ExtendedStatus On
|
||
<Location /server-status-XXXX>
|
||
SetHandler server-status
|
||
Deny from all
|
||
Include ipaddr_whitelist.conf
|
||
Allow from 192.0.2.43
|
||
Allow from 127.0.0.1
|
||
</Location>
|
||
</IfModule>
|
||
</code></pre>
|
||
</section>
|
||
</section>
|
||
|
||
<section>
|
||
<section>
|
||
<h2>Nginx</h2>
|
||
<p>Serveur web, alternative à Apache</p>
|
||
</section>
|
||
|
||
<section>
|
||
<h3>Installation</h3>
|
||
<pre><code data-trim class="hljs nohighlight">
|
||
# apt install nginx
|
||
|
||
# nginx -t -c /etc/nginx/nginx.conf
|
||
</code>
|
||
</pre>
|
||
</section>
|
||
|
||
<section>
|
||
<h3>Fichiers de configuration</h3>
|
||
<pre>
|
||
/etc/nginx/
|
||
├── conf.d
|
||
├── fastcgi.conf
|
||
├── fastcgi_params
|
||
├── koi-utf
|
||
├── koi-win
|
||
├── mime.types
|
||
├── nginx.conf
|
||
├── proxy_params
|
||
├── scgi_params
|
||
├── sites-available
|
||
│ └── default
|
||
├── sites-enabled
|
||
│ └── default -> /etc/nginx/sites-available/default
|
||
├── snippets
|
||
│ ├── fastcgi-php.conf
|
||
│ └── snakeoil.conf
|
||
├── uwsgi_params
|
||
└── win-utf
|
||
</pre>
|
||
</section>
|
||
|
||
<section>
|
||
<h3>Optimisations "Evolix"</h3>
|
||
<pre><code data-trim style="max-height: 500px" class="nginx">
|
||
user www-data;
|
||
worker_processes 8;
|
||
pid /var/run/nginx.pid;
|
||
|
||
events {
|
||
use epoll;
|
||
worker_connections 10240;
|
||
}
|
||
|
||
http {
|
||
keepalive_timeout 15;
|
||
[…]
|
||
|
||
# disable Nginx version
|
||
server_tokens off;
|
||
</code></pre>
|
||
</section>
|
||
|
||
<section>
|
||
<h3>VirtualHost</h3>
|
||
<pre><code data-trim style="max-height: 600px" class="nginx">
|
||
server {
|
||
listen 80;
|
||
server_name static.example.com assets.example.com;
|
||
access_log /var/log/nginx/access.log;
|
||
root /home/static/www;
|
||
location /crossdomain.xml {
|
||
alias /home/static/www/crossdomain.xml;
|
||
}
|
||
error_page 500 502 503 504 /50x.html;
|
||
location = /50x.html {
|
||
root /var/www/nginx-default;
|
||
}
|
||
location ~\.(jpeg|jpg|gif|png)$ {
|
||
add_header Cache-Control "public";
|
||
expires 2w;
|
||
}
|
||
location ~\.(js|pdf|css|swf)$ {
|
||
add_header Cache-Control "public";
|
||
expires 3w;
|
||
}
|
||
}
|
||
</code></pre>
|
||
</section>
|
||
|
||
<section>
|
||
<pre><code data-trim class="nginx">
|
||
server {
|
||
listen 443;
|
||
server_name static.example.com assets.example.com;
|
||
|
||
ssl on;
|
||
ssl_certificate /etc/ssl/certs/static.example.com.crt;
|
||
ssl_certificate_key /etc/ssl/private/static.example.com.key;
|
||
# add_header Strict-Transport-Security "max-age=31536000;";
|
||
}
|
||
</code></pre>
|
||
</section>
|
||
|
||
</section>
|
||
|
||
<section>
|
||
<section>
|
||
<h2>HAProxy</h2>
|
||
<p>Proxy et load-balancer TCP/HTTP/HTTPS</p>
|
||
</section>
|
||
|
||
<section>
|
||
<h3>Installation</h3>
|
||
<pre><code data-trim class="hljs nohighlight">
|
||
# apt install haproxy
|
||
|
||
# haproxy -c -f /etc/haproxy/haproxy.cfg
|
||
</code>
|
||
</pre>
|
||
</section>
|
||
|
||
<section>
|
||
<h3>Configuration minimale</h3>
|
||
<pre><code data-trim class="hljs haproxy">
|
||
global
|
||
log 127.0.0.1 local5 debug
|
||
|
||
defaults
|
||
mode http
|
||
|
||
listen www
|
||
bind *:80
|
||
balance roundrobin
|
||
option httpchk OPTIONS * HTTP/1.1\r\nHost:\ www.example.com
|
||
stats uri /haproxy-stats
|
||
stats auth foo:bar
|
||
server www00 192.0.2.1:80 maxconn 50 check inter 10s
|
||
server www01 192.0.2.2:80 maxconn 50 check inter 10s
|
||
</code></pre>
|
||
</section>
|
||
|
||
<section>
|
||
<h3>Configuration avancée</h3>
|
||
<ul>
|
||
<li>gestion fine des performances</li>
|
||
<li>multiples IP/domaines</li>
|
||
<li>différents algorithmes de load-balancing</li>
|
||
</ul>
|
||
</section>
|
||
|
||
<section>
|
||
<h4>TLS/SSL</h4>
|
||
<ul>
|
||
<li>terminaison SSL ou transmission transparente</li>
|
||
<li>multi certificats et SNI</li>
|
||
<li>agrafage OCSP facilitée</li>
|
||
</ul>
|
||
</section>
|
||
|
||
<section>
|
||
<h4>mode TCP</h4>
|
||
<pre><code data-trim class="hljs haproxy">
|
||
listen memcached 127.0.0.1:11211
|
||
option tcp-check
|
||
server nosql00 192.0.2.3:11211 check
|
||
server nosql01 192.0.2.4:11211 check backup
|
||
</code></pre>
|
||
</section>
|
||
|
||
<section>
|
||
<h4>Load-balancing MySQL (simple)</h4>
|
||
<pre><code data-trim class="hljs haproxy">
|
||
listen mysql 127.0.0.1:3306
|
||
mode tcp
|
||
option mysql-check user haproxy_check
|
||
server sql00 192.0.2.1:3306 check
|
||
</code></pre>
|
||
</section>
|
||
|
||
<section>
|
||
<h4>Load-balancing MySQL (avancé)</h4>
|
||
Si le test de connexion à MySQL ne suffit pas,<br>on indique un programme pour un test personnalisé<br>qui indiquera à HAProxy si le backend va bien.
|
||
</section>
|
||
|
||
<section>
|
||
<h4>Dashboard</h4>
|
||
<img style="margin:0 0 0 1%;width:100%;max-width: 600px" src="./imagesEvoFormation2017/haproxy.png" border="0">
|
||
</section>
|
||
|
||
</section>
|
||
|
||
<section>
|
||
<section>
|
||
<h2>Varnish</h2>
|
||
<p>Accélérateur web : cache et reverse-proxy</p>
|
||
</section>
|
||
|
||
<section>
|
||
<h3>Installation</h3>
|
||
<pre><code data-trim class="hljs nohighlight">
|
||
# apt install varnish
|
||
</code>
|
||
</pre>
|
||
</section>
|
||
|
||
<section>
|
||
<h3>Configuration minimale</h3>
|
||
<p>Varnish relaie les requêtes vers le port 8080 local.</p>
|
||
<pre><code data-trim class="hljs varnish">
|
||
backend default {
|
||
.host = "127.0.0.1";
|
||
.port = "8080";
|
||
}
|
||
</code></pre>
|
||
</section>
|
||
|
||
<section>
|
||
<h3>Logs</h3>
|
||
Par défaut les logs sont gardés en mémoire (taille fixe) pour les performances.
|
||
<pre><code data-trim class="hljs nohighlight">
|
||
# varnishstat
|
||
# varnishtop -i ReqURL
|
||
# varnishlog
|
||
# varnishnsca
|
||
</code></pre>
|
||
Filtres possibles
|
||
<pre><code data-trim class="hljs nohighlight">
|
||
# varnishlog -q 'TxHeader eq MISS' -q "ReqHeader \
|
||
~ '^Host: example\.com$'" | grep RxURL
|
||
# varnishncsa -q "ReqHeader eq 'X-Cache: MISS'"
|
||
</code></pre>
|
||
</section>
|
||
|
||
<section>
|
||
<h3>Syntaxe VCL</h3>
|
||
<pre><code data-trim class="hljs varnish" style="max-height: 500px">
|
||
sub vcl_recv {
|
||
if (req.http.host == "boutique.example.com") {
|
||
|
||
if (req.url ~ "^/" || req.url ~ "/newsletter" ) {
|
||
unset req.http.cookie;
|
||
}
|
||
}
|
||
}
|
||
|
||
sub vcl_backend_response {
|
||
if (bereq.http.host == "boutique.example.com") {
|
||
|
||
if (bereq.url ~ "^/" || bereq.url ~ "/newsletter" ) {
|
||
unset beresp.http.Set-Cookie;
|
||
set beresp.ttl = 1h;
|
||
return (deliver);
|
||
}
|
||
}
|
||
}
|
||
</code></pre>
|
||
|
||
</section>
|
||
|
||
</section>
|
||
|
||
<section>
|
||
<section>
|
||
<h2>PHP</h2>
|
||
<p>Langage de programmation très adapté au web.</p>
|
||
</section>
|
||
|
||
<section>
|
||
<h2>Versions de PHP</h2>
|
||
<ul>
|
||
<li>PHP 3 (1997)</li>
|
||
<li>PHP 4 (2000)</li>
|
||
<li>PHP 5 (2004)</li>
|
||
<li>PHP 5.4 (Debian 7)</li>
|
||
<li>PHP 5.6 (Debian 8)</li>
|
||
<li>PHP 7 (Debian 9)</li>
|
||
</ul>
|
||
</section>
|
||
|
||
<section>
|
||
<h2>Installation de PHP5</h2>
|
||
<pre><code data-trim class="hljs nohighlight">
|
||
# apt install php5 libapache2-mod-php5 php5-gd php5-imap php5-ldap \
|
||
php5-mcrypt php5-mhash php5-mysql php5-pgsql \
|
||
php-gettext librsvg2-bin
|
||
$ php -v
|
||
</code>
|
||
PHP 5.6.30-0+deb8u1 (cli) (built: Feb 8 2017 08:50:21)
|
||
Copyright (c) 1997-2016 The PHP Group
|
||
Zend Engine v2.6.0, Copyright (c) 1998-2016 Zend Technologies
|
||
with Zend OPcache v7.0.6-dev, Copyright (c) 1999-2016, by Zend Technologies
|
||
</pre>
|
||
|
||
<pre><code data-trim class="hljs nohighlight">
|
||
# apt install php5-fpm
|
||
</code></pre>
|
||
</section>
|
||
|
||
<section>
|
||
<h3>php.ini</h3>
|
||
<pre><code data-trim class="ini">
|
||
short_open_tags = Off
|
||
disable_functions = exec, shell-exec, system, passthru, putenv, popen
|
||
expose_php = Off
|
||
display_errors = Off
|
||
log_errors = On
|
||
allow_url_fopen = Off
|
||
memory_limit = 128M
|
||
max_execution_time = 10
|
||
open_basedir = /home
|
||
</code></pre>
|
||
</section>
|
||
|
||
<section>
|
||
<h3>Délégation dans VirtualHost Apache</h3>
|
||
<pre><code data-trim class="apache">
|
||
#php_admin_flag engine off
|
||
#AddType text/html .html
|
||
#php_admin_flag safe_mode off
|
||
#php_admin_value safe_mode_exec_dir /usr/bin
|
||
#php_admin_flag display_errors on
|
||
#php_flag short_open_tag on
|
||
#php_flag register_globals on
|
||
#php_admin_value upload_tmp_dir "/home/bloginfo/tmp/
|
||
php_admin_value sendmail_path "/usr/sbin/sendmail -t -i -f www-bloginfo"
|
||
php_admin_value error_log "/home/bloginfo/log/php.log"
|
||
php_admin_value memory_limit "64M"
|
||
</code></pre>
|
||
</section>
|
||
|
||
<section>
|
||
<h3>fpm/php-fpm.conf</h3>
|
||
<pre><code data-trim class="ini">
|
||
[global]
|
||
pid = /run/php5-fpm.pid
|
||
error_log = /var/log/php5-fpm.log
|
||
</code></pre>
|
||
</section>
|
||
|
||
<section>
|
||
<h3>fpm/pool.d/www.conf</h3>
|
||
<pre><code data-trim class="ini">
|
||
[www]
|
||
listen = /var/run/php5-fpm.sock
|
||
;listen = 127.0.0.1:9000
|
||
user = www-data
|
||
group = www-data
|
||
pm = dynamic
|
||
|
||
php_admin_value[sendmail_path] = /usr/sbin/sendmail -t -i -f return-path@example.com
|
||
php_flag[display_errors] = off
|
||
php_admin_value[error_log] = /var/log/fpm-php.www.log
|
||
php_admin_flag[log_errors] = on
|
||
php_admin_value[memory_limit] = 32M
|
||
</code></pre>
|
||
</section>
|
||
|
||
<section>
|
||
<h3>fpm/pool.d/www.conf</h3>
|
||
<pre><code data-trim class="ini">
|
||
pm = dynamic
|
||
pm.max_children = 100
|
||
pm.start_servers = 50
|
||
pm.min_spare_servers = 20
|
||
pm.max_spare_servers = 30
|
||
pm.max_requests = 100
|
||
</code></pre>
|
||
OU
|
||
<pre><code data-trim class="ini">
|
||
pm = ondemand
|
||
pm.max_children = 100
|
||
pm.process_idle_timeout = 10s
|
||
</code></pre>
|
||
</section>
|
||
|
||
<section>
|
||
<h3>fpm/pool.d/www.conf</h3>
|
||
<pre><code data-trim class="ini">
|
||
slowlog = log/$pool.log.slow
|
||
request_slowlog_timeout = 5s
|
||
|
||
pm.status_path = /fpm-status
|
||
request_terminate_timeout = 60s
|
||
chroot = /home/foo
|
||
access.log = log/$pool.access.log
|
||
</code></pre>
|
||
</section>
|
||
|
||
<section>
|
||
<h3>Avec Apache :</h3>
|
||
<pre><code data-trim class="hljs nohighlight">
|
||
# a2enmod proxy_fcgi
|
||
</code></pre>
|
||
<pre><code data-trim class="apache">
|
||
DocumentRoot /home/foo/www/
|
||
# ProxyPassMatch "^/(.*\.php(/.*)?)$" "fcgi://127.0.0.1:9000//home/foo/www/$1"
|
||
ProxyPassMatch "^/(.*\.php(/.*)?)$" "unix:/var/run/php5-fpm.sock|fcgi://localhost/home/foo/www/"
|
||
</code></pre>
|
||
</section>
|
||
|
||
<section>
|
||
<h3>Avec Nginx</h3>
|
||
<pre><code data-trim class="nginx">
|
||
server {
|
||
listen 80;
|
||
server_name www.example.com example.com;
|
||
root /home/foo/www;
|
||
index index.php;
|
||
|
||
location ~ \.php$ {
|
||
try_files $uri =404;
|
||
#fastcgi_pass 127.0.0.1:9000;
|
||
fastcgi_pass unix:/var/run/php5-fpm.sock;
|
||
fastcgi_param SCRIPT_FILENAME /home/foo/www$fastcgi_script_name;
|
||
include fastcgi_params;
|
||
}
|
||
}
|
||
</code></pre>
|
||
</section>
|
||
|
||
<section>
|
||
<pre><code data-trim class="hljs nohighlight">
|
||
$ echo "<?php phpinfo() ; ?>" > /var/www/info.php
|
||
</code></pre>
|
||
</section>
|
||
|
||
</section>
|
||
|
||
<section>
|
||
<section>
|
||
<h2>Let's Encrypt</h2>
|
||
<ul>
|
||
<li>Autorité de certification</li>
|
||
<li>propose des certificats X-509</li>
|
||
<li>DV – Domain Validation</li>
|
||
</ul>
|
||
</section>
|
||
|
||
<section>
|
||
<h3>Principes de base</h3>
|
||
<ul>
|
||
<li>gratuit</li>
|
||
<li>automatique</li>
|
||
<li>sécurisé</li>
|
||
<li>transparent</li>
|
||
<li>ouvert</li>
|
||
<li>cooperatif</li>
|
||
</ul>
|
||
</section>
|
||
|
||
<section>
|
||
<h3>Composants</h3>
|
||
<ul>
|
||
<li>Protocole ACME (standard IETF en janvier 2018)</li>
|
||
<li>Boulder : serveur ACME</li>
|
||
<li>Certbot : client ACME pour gérer des certificats</li>
|
||
<li>des dizaines d'autres clients tiers</li>
|
||
</ul>
|
||
</section>
|
||
|
||
<section>
|
||
<h3>Installation de certbot</h3>
|
||
<pre><code data-trim class="hljs nohighlight">
|
||
# apt install certbot
|
||
</code></pre>
|
||
<ul>
|
||
<li>création du compte Let's Encrypt</li>
|
||
<li>création de certificats</li>
|
||
<li>auto-configuration du serveur web</li>
|
||
<li>renouvellement/révocation de certificats</li>
|
||
</ul>
|
||
</section>
|
||
|
||
<section>
|
||
<h3>3 Challenges pour la validation</h3>
|
||
<ul>
|
||
<li>HTTP – ressource signée</li>
|
||
<li>DNS – enregistrement DNS signé</li>
|
||
<li>TLS-SNI – certificat TLS contenant une signature</li>
|
||
</ul>
|
||
</section>
|
||
|
||
<section>
|
||
<h3>Particularités</h3>
|
||
<ul>
|
||
<li>Durée de vie de 90 jours</li>
|
||
<li>Entièrement automatisé</li>
|
||
<li>… donc seulement DV et pas OV ou EV</li>
|
||
</ul>
|
||
</section>
|
||
</section>
|
||
</div>
|
||
|
||
</div>
|
||
|
||
<script src="reveal.js/lib/js/head.min.js"></script>
|
||
<script src="reveal.js/js/reveal.js"></script>
|
||
|
||
<script>
|
||
|
||
// More info https://github.com/hakimel/reveal.js#configuration
|
||
Reveal.initialize({
|
||
controls: true,
|
||
progress: true,
|
||
history: true,
|
||
center: true,
|
||
|
||
transition: 'slide', // none/fade/slide/convex/concave/zoom
|
||
|
||
// More info https://github.com/hakimel/reveal.js#dependencies
|
||
dependencies: [
|
||
{ src: 'reveal.js/lib/js/classList.js', condition: function() { return !document.body.classList; } },
|
||
{ src: 'reveal.js/plugin/markdown/marked.js', condition: function() { return !!document.querySelector( '[data-markdown]' ); } },
|
||
{ src: 'reveal.js/plugin/markdown/markdown.js', condition: function() { return !!document.querySelector( '[data-markdown]' ); } },
|
||
{ src: 'reveal.js/plugin/highlight/highlight.js', async: true, callback: function() { hljs.initHighlightingOnLoad(); } },
|
||
{ src: 'reveal.js/plugin/zoom-js/zoom.js', async: true },
|
||
{ src: 'reveal.js/plugin/notes/notes.js', async: true }
|
||
]
|
||
});
|
||
|
||
</script>
|
||
|
||
</body>
|
||
</html>
|