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Apache 负载均衡器无法区分不同的子域

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Apache 负载均衡器无法区分不同的子域

我正在尝试配置 Apache 负载均衡器以将请求路由到多个后端服务器，但出于某种原因，似乎始终加载主域的内容，而不管指定的子域如何。例如，加载网站 games.example.com 应该加载后端服务器上的 /var/www/example_games 内容，但它却加载了 /var/www/example（即主域）中的内容。我已通过公开后端服务器进行了测试，并且 apache 配置在后端本身上运行良好，可以正确加载每个子域，但这个负载均衡器配置似乎存在问题，其中有关子域的信息“丢失”，导致主域（example.com）的内容加载，尽管指定了 games.example.com。以下是负载均衡器配置：

<IfModule mod_ssl.c>
    # SSL certificate configurations
    SSLCertificateFile /etc/letsencrypt/live/example.com/fullchain.pem
    SSLCertificateKeyFile /etc/letsencrypt/live/example.com/privkey.pem
    Include /etc/letsencrypt/options-ssl-apache.conf
    <Proxy balancer://mycluster>
        BalancerMember http://172.16.111.10 loadfactor=1
    #    BalancerMember http://172.16.111.11 loadfactor=10
    #    BalancerMember http://172.16.111.12 loadfactor=10
    #    BalancerMember http://172.16.111.13 loadfactor=10
        # Add more BalancerMembers if you have additional backend servers
        # BalancerMember http://backend-server3-ip:backend-server3-port route=server3
        # ...
        ProxySet lbmethod=byrequests
        #ProxySet stickysession=ROUTEID
        #ProxySet nofailover=On
    </Proxy>    
    
    
    
    #Main domain
    <VirtualHost *:443>
        ServerAdmin [email protected]
        ServerName www.example.com
        ServerAlias example.com
        ServerAdmin webmaster@localhost
        ProxyPass / balancer://mycluster/
        ProxyPassReverse / balancer://mycluster/


        <Location "/balancer-manager">
            SetHandler balancer-manager
            Require host localhost
        </Location>

        <Location "/server-status">
            SetHandler server-status
            Require host localhost
        </Location>
    </VirtualHost>



    #GAMES DOMAIN
    <VirtualHost *:443>
        ServerName games.example.com
        Options -Indexes
        RemoteIPHeader X-Forwarded-For

        ProxyPreserveHost On
        ProxyPass / balancer://mycluster/
        ProxyPassReverse / balancer://mycluster/


        <Location "/balancer-manager">
            SetHandler balancer-manager
            Require host localhost
        </Location>

        <Location "/server-status">
            SetHandler server-status
            Require host localhost
        </Location>
    </VirtualHost>



    #CDN DOMAIN
    <VirtualHost *:443>
        ServerName cdn.example.com
        Options -Indexes

        RemoteIPHeader X-Forwarded-For
        ProxyPass / balancer://mycluster/
        ProxyPassReverse / balancer://mycluster/


        <Location "/balancer-manager">
            SetHandler balancer-manager
            Require host localhost
        </Location>

        <Location "/server-status">
            SetHandler server-status
            Require host localhost
        </Location>
    </VirtualHost>

</IfModule>

答案1

我找到了问题所在，ProxyPreserveHost On每个块都需要该指令才能将请求标头转发到后端服务器。希望它能帮助其他遇到类似问题的人。

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