Activation de l’HTTPS autosigné sur Apache

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Matériel requis

• Machine sous Ubuntu ou Debian
• Apache server installé

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Marche à suivre

Installation d’openssl.

sudo apt-get update
sudo apt-get install openssl

Création de la clé et du certificat

openssl req -x509 -nodes -days 365 -newkey rsa:2048 -keyout /etc/ssl/private/apache-selsigned.key -out /etc/ssl/certs/apache-selfsigned.crt

Création d’une copie du fichier de configuration et edition de celui ci grâce au générateur de configuration de Mozilla

/!\ Penser à changer le chemin de la clé et du certificat.
/!\ Penser à ajouter le chemin du site

cd /etc/apache2/sites-enabled
cp 000-default.conf 000-default.conf.default
nano 000-default.conf

# generated 2020-08-28, Mozilla Guideline v5.6, Apache 2.4.41, OpenSSL 1.1.1d, intermediate configuration 
# https://ssl-config.mozilla.org/
#server=apache&version=2.4.41&config=intermediate&openssl=1.1.1d&guideline=5.6 
# this configuration requires mod_ssl, mod_socache_shmcb, mod_rewrite, and mod_headers 

<VirtualHost *:80>
     RewriteEngine On
     RewriteRule ^(.*)$ https://%{HTTP_HOST}$1 [R=301,L]
     Document root /var/www/html 
</VirtualHost> 

<VirtualHost *:443>
     SSLEngine on
     Document root /var/www/html

     # curl https://ssl-config.mozilla.org/ffdhe2048.txt >> /path/to/signed_cert_and_intermediate_certs_and_dhparams
     SSLCertificateFile /etc/ssl/certs/apache-selfsigned.crt
     SSLCertificateKeyFile /etc/ssl/private/apache-selsigned.key

     # enable HTTP/2, if available
     Protocols h2 http/1.1

     # HTTP Strict Transport Security (mod_headers is required) (63072000 seconds)
     Header always set Strict-Transport-Security "max-age=63072000" 
</VirtualHost>

# intermediate configuration 
SSLProtocol all -SSLv3 -TLSv1 -TLSv1.1 
SSLCipherSuite ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384 
SSLHonorCipherOrder off 
SSLSessionTickets off 

SSLUseStapling On 
SSLStaplingCache "shmcb:logs/ssl_stapling(32768)"

Activer les modules nécéssaire

a2enmod ssl socache_shmcb rewrite headers

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