O que exatamente faz com que vamos criptografar o comando 'enhance' do certbot?

2

Vamos criptografar o certbot com o subcomando enhance que tem uma descrição "Adicionar aprimoramentos de segurança à sua configuração existente".

As únicas informações adicionais que posso encontrar no arquivo de ajuda da CLI do certbot é:

enhance: Helps to harden the TLS configuration by adding security enhancements to already existing configuration.

E ainda não está claro quais encantamentos são adicionados à configuração existente. Quais arquivos são modificados, etc ... Estou particularmente interessado em configuração com o Ubuntu + Apache HTTP Server (usando a opção --apache ).

    
por Maris B. 17.07.2018 / 12:37

1 resposta

2

Também não consegui encontrar, por isso consultei a fonte ( e outro documento ) que declara:

security:
  Security parameters & server settings

  --rsa-key-size N      Size of the RSA key. (default: 2048)
  --must-staple         Adds the OCSP Must Staple extension to the
                        certificate. Autoconfigures OCSP Stapling for
                        supported setups (Apache version >= 2.3.3 ). (default:
                        False)
  --redirect            Automatically redirect all HTTP traffic to HTTPS for
                        the newly authenticated vhost. (default: Ask)
  --no-redirect         Do not automatically redirect all HTTP traffic to
                        HTTPS for the newly authenticated vhost. (default:
                        Ask)
  --hsts                Add the Strict-Transport-Security header to every HTTP
                        response. Forcing browser to always use SSL for the
                        domain. Defends against SSL Stripping. (default: None)
  --uir                 Add the "Content-Security-Policy: upgrade-insecure-
                        requests" header to every HTTP response. Forcing the
                        browser to use https:// for every http:// resource.
                        (default: None)
  --staple-ocsp         Enables OCSP Stapling. A valid OCSP response is
                        stapled to the certificate that the server offers
                        during TLS. (default: None)
  --strict-permissions  Require that all configuration files are owned by the
                        current user; only needed if your config is somewhere
                        unsafe like /tmp/ (default: False)

e tentei no meu ambiente de testes:

certbot --authenticator webroot --installer apache

[...]
Please choose whether or not to redirect HTTP traffic to HTTPS, removing HTTP access.
-------------------------------------------------------------------------------
1: No redirect - Make no further changes to the webserver configuration.
2: Redirect - Make all requests redirect to secure HTTPS access. Choose this for
new sites, or if you're confident your site works on HTTPS. You can undo this
change by editing your web server's configuration.
-------------------------------------------------------------------------------
Select the appropriate number [1-2] then [enter] (press 'c' to cancel):2

Enabled Apache rewrite module
Redirecting vhost in /etc/apache2/sites-enabled/example.conf to ssl vhost in /etc/apache2/sites-enabled/example.ssl.conf

-------------------------------------------------------------------------------
Congratulations! You have successfully enabled https://example.com and https://www.example.com

You should test your configuration at:
https://www.ssllabs.com/ssltest/analyze.html?d=example.com



certbot enhance --hsts

Saving debug log to /var/log/letsencrypt/letsencrypt.log
Plugins selected: Authenticator None, Installer apache

Which certificate would you like to use to enhance your configuration?
-------------------------------------------------------------------------------
1: example.com
-------------------------------------------------------------------------------
Press 1 [enter] to confirm the selection (press 'c' to cancel):

Which domain names would you like to enable the selected enhancements for?
-------------------------------------------------------------------------------
1: example.com
2: www.example.com
-------------------------------------------------------------------------------
Select the appropriate numbers separated by commas and/or spaces, or leave input
blank to select all options shown (Enter 'c' to cancel):

Adding Strict-Transport-Security header to ssl vhost in /etc/apache2/sites-enabled/example.ssl.conf



certbot enhance --uir

Plugins selected: Authenticator None, Installer apache

Which certificate would you like to use to enhance your configuration?
-------------------------------------------------------------------------------
1: example.com
-------------------------------------------------------------------------------
Press 1 [enter] to confirm the selection (press 'c' to cancel):

Which domain names would you like to enable the selected enhancements for?
-------------------------------------------------------------------------------
1: example.com
2: www.example.com
-------------------------------------------------------------------------------
Select the appropriate numbers separated by commas and/or spaces, or leave input
blank to select all options shown (Enter 'c' to cancel):

Adding Upgrade-Insecure-Requests header to ssl vhost in /etc/apache2/sites-enabled/example.ssl.conf

Você pode adivinhar o resto das opções (não tente todas elas).

Adicionou as seguintes linhas ao meu ssl.conf habilitado para sites:

Include /etc/letsencrypt/options-ssl-apache.conf
SSLCertificateFile /etc/letsencrypt/live/example.com/fullchain.pem
SSLCertificateKeyFile /etc/letsencrypt/live/example.com/privkey.pem
Header always set Strict-Transport-Security "max-age=31536000"
Header always set Content-Security-Policy upgrade-insecure-requests

e estes nos meus sites não-ssl.conf:

RewriteEngine on
RewriteCond %{SERVER_NAME} =www.example.com [OR]
RewriteCond %{SERVER_NAME} =example.com
RewriteRule ^ https://%{SERVER_NAME}%{REQUEST_URI} [END,NE,R=permanent]
    
por 17.07.2018 / 14:01