Let’s Encrypt

página do projeto

• https://letsencrypt.org/

baixando código

apt-get install git-core
git clone https://github.com/letsencrypt/letsencrypt
cd letsencrypt

gerando a chave

sudo ./letsencrypt-auto certonly -d seudominio.com.br -d www.seudominio.com.br --manual

depois acessa em http://seudominio.com.br/.well-known/acme-challenge/26bs4LFnqRp2eGXMaNeAkH19qLggg_gpeCi_aKG4RvsUQ

no nginx

listen 443 ssl;
ssl on;
ssl_certificate /etc/letsencrypt/live/seudominio.com.br/fullchain.pem;
ssl_certificate_key /etc/letsencrypt/live/seudominio.com.br/privkey.pem;

no apache

<VirtualHost *:80>
    ServerName www.seudominio.com.br
    ServerAlias seudominio.com.br
    DocumentRoot /var/www/seudominio.com.br
    Redirect permanent / https://www.seudominio.com.br
</VirtualHost>

<IfModule mod_ssl.c>
<VirtualHost _default_:443>
        ServerAdmin webmaster@localhost

        DocumentRoot /var/www/seudominio.com.br
        <Directory />
                Options FollowSymLinks
                AllowOverride None
        </Directory>
        <Directory /var/www/seudominio.com.br>
                Options Indexes FollowSymLinks MultiViews
                AllowOverride None
                Order allow,deny
                allow from all
        </Directory>

        SSLEngine on
        SSLCertificateKeyFile /etc/letsencrypt/live/seudominio.com.br/privkey.pem
        SSLCertificateFile /etc/letsencrypt/live/seudominio.com.br/cert.pem
        SSLCertificateChainFile /etc/letsencrypt/live/seudominio.com.br/chain.pem
</VirtualHost>
</IfModule>

e habilitar o módulo

 a2enmod ssl
 service apache2 restart

- falta colocar como auto-renovar, pois expira em 90 dias

• http://blog.héry.com/article23/use-haproxy-with-let-s-encrypt
• http://stackoverflow.com/questions/21773817/crontab-run-a-cronjob-quarterly
• http://serverfault.com/questions/129633/how-to-run-cron-job-every-3-months

renovando chave

./certbot-auto renew --dry-run --standalone --pre-hook "service nginx stop" --post-hook "service nginx start"

no crontab -e

0   9   1   */2 *   certbot renew --quiet --standalone --pre-hook "service nginx stop" --post-hook "service nginx start"

Referências

• https://tiagohillebrandt.eti.br/lets-encrypt-certificado-ssl-gratuito-para-seu-site.html
• http://admin.cefala.org/blog/usando-o-lets-encrypt.html
• https://skrilnetz.net/how-to-get-free-ssl-certificates-on-ubuntu/
• https://www.digitalocean.com/community/tutorials/how-to-set-up-let-s-encrypt-certificates-for-multiple-apache-virtual-hosts-on-ubuntu-14-04
• http://www.slsmk.com/enabling-https-access-to-owncloud/
• https://blog.smallbee.com.br/letsencrypt-certificado-https-gratuito-automatizado-e-aberto/