在服务于不同域的 apache 虚拟主机之间共享 SSL 配置

Sharing SSL Configuration between apache virtualhosts serving different domains

我为 apache2 服务的每个域都有一个虚拟主机。

有点像 /etc/apache2/sites-available/1.conf

<VirtualHost *:443>
    ServerName xyz.com
    ServerAlias www.xyz.com
    SSLEngine on
    SSLCertificateFile /etc/.../cert.pem
    SSLCertificateKeyFile /etc/.../privkey.pem
    SSLCertificateChainFile /etc/.../chain.pem
</VirtualHost

<VirtualHost *:443>
    ServerName qwert.com
    ServerAlias www.qwert.com
    SSLEngine on
    SSLCertificateFile /etc/.../cert.pem
    SSLCertificateKeyFile /etc/.../privkey.pem
    SSLCertificateChainFile /etc/.../chain.pem
</VirtualHost

我想添加一些 SSL 设置来指定密码套件和允许的 TLS 版本,以便它们在所有启用 SSL 的站点之间共享。 这样我就可以集中更改它们,而不是编辑每个虚拟主机。

SSLProtocol all -SSLv2 -SSLv3
SSLHonorCipherOrder on
SSLCipherSuite "EECDH+ECDSA+AESGCM EECDH+aRSA+AESGCM EECDH+ECDSA+SHA384 EECDH+ECDSA+SHA256 EECDH+aRSA+SHA384 EECDH+aRSA+SHA256 EECDH+aRSA+RC4 EECDH EDH+aRSA RC4 !aNULL !eNULL !LOW !3DES !MD5 !EXP !PSK !SRP !DSS"

我如何集中执行此操作?

A​​pache 提供了 Define 指令,它定义了您可以在别处使用的变量。

在我的 /etc/apache2/apache.conf 的顶部,我定义了我想要集中的所有 SSL 设置。

Define honor_ssl_cipher_order on
Define ssl_protocol "all -SSLv2 -SSLv3"
Define ssl_cipher_suite "EECDH+ECDSA+AESGCM EECDH+aRSA+AESGCM EECDH+ECDSA+SHA384 EECDH+ECDSA+SHA256 EECDH+aRSA+SHA384 EECDH+aRSA+SHA256 EECDH+aRSA+RC4 EECDH EDH+aRSA RC4 !aNULL !eNULL !LOW !3DES !MD5 !EXP !PSK !SRP !DSS"

然后在每个虚拟主机中我可以

<VirtualHost *:443>
...
        SSLProtocol ${ssl_protocol}
        SSLHonorCipherOrder ${honor_ssl_cipher_order}
        SSLCipherSuite "${ssl_cipher_suite}"
</VirtualHost>

或者,您可以将 SSL 配置放入文件中,并在每个虚拟主机中只包含该文件。

幸运的是 Letsencrypt 人已经为您创建了这样一个文件:搜索 options-ssl-apache.conf

locate options-ssl-apache.conf 

示例包括

<VirtualHost ...>
   Include /etc/letsencrypt/options-ssl-apache.conf
   ...
</VirtualHost>

最后是他们的示例文件,让 https 更安全的 letsencrypt 方式:

SSLEngine on

# Intermediate configuration, tweak to your needs
SSLProtocol             all -SSLv2 -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

SSLOptions +StrictRequire

Add vhost name to log entries:
LogFormat "%h %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-agent}i\"" vhost_combined
LogFormat "%v %h %l %u %t \"%r\" %>s %b" vhost_common

此配置导致 A+https://www.ssllabs.com/ssltest/