Letsencrypt

Sur Debian

Dans /opt/letsencrypt/

./certbot-auto certonly --webroot --webroot-path /home/letsencrypt/ --domain nomdomaine.fr --domain www.nomdomaine.fr --email qqn@qqch.fr

Dans /home/letsencrypt/

créer les répertoires .well-known/acme-challenge

Dans le vhost port 80

Alias /.well-known  "/home/letsencrypt/.well-known"
<Directory "/home/letsencrypt/.well-known">
  Options Indexes MultiViews
  AllowOverride None
  Require all granted
</Directory>

Dans le vhost port 443

SSLEngine on
SSLCertificateFile /etc/letsencrypt/live/nomdomaine.fr/fullchain.pem
SSLCertificateKeyFile /etc/letsencrypt/live/nomdomaine.fr/privkey.pem
Include /etc/letsencrypt/options-ssl-apache.conf

Dans le .htaccess

# Rediriger HTTP vers HTTPS et gérer www en même temps
# 2 redirections en 1 seul coup pour éviter les chaînes de redirections.
# sauf le répertoire acme-challenge

RewriteCond %{HTTPS} off [OR]
RewriteCond %{HTTP_HOST} !^www\. [NC]
RewriteCond %{HTTP_HOST} ^(?:www\.)?(.+)$ [NC]
RewriteCond %{REQUEST_URI} !/acme-challenge/(.*)$
RewriteRule ^.*$ https://www.%1%{REQUEST_URI} [L,NE,R=301]

options-ssl-apache.conf

/etc/letsencrypt/options-ssl-apache.conf

# This file contains important security parameters. If you modify this file
# manually, Certbot will be unable to automatically provide future security
# updates. Instead, Certbot will print and log an error message with a path to
# the up-to-date file that you will need to refer to when manually updating
# this file.

SSLEngine on

# Intermediate configuration, tweak to your needs
SSLProtocol             all -SSLv2 -SSLv3
SSLCipherSuite          ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA:ECDHE-RSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-RSA-AES256-SHA256:DHE-RSA-AES256-SHA:ECDHE-ECDSA-DES-CBC3-SHA:ECDHE-RSA-DES-CBC3-SHA:EDH-RSA-DES-CBC3-SHA:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:DES-CBC3-SHA:!DSS
SSLHonorCipherOrder     on
SSLCompression          off

SSLOptions +StrictRequire

Renew

cron.daily

dans /etc/cron.daily/letsencrypt

#!/bin/bash
/bin/sh /opt/renew_letsenscrypt.sh

renew_letsenscrypt.sh

dans /opt/renew_letsenscrypt.sh

#!/bin/bash
cd /opt/letsencrypt
sudo echo "" > /var/log/certbot-renew.log
sudo ./certbot-auto renew >> /var/log/certbot-renew.log
sudo service apache2 reload
mail -a "From: cron letsencrypt <contact@nomdomaine.fr>" -s "CERTBOT Renewals nomdomaine nomdomaine2" qqn@qqch.fr < /var/log/certbot-renew.log
exit 0

Test check SSL

SSL Server Test (Powered by Qualys SSL Labs)

https://www.ssllabs.com/ssltest/analyze.html