代理服务器无法连接后端服务器

代理服务器无法连接后端服务器

我部署了在 Redhat 7.6 上运行的代理服务器,并将 Apache 配置为反向代理服务器。但是当我尝试在反向代理服务器日志中的浏览器中打开代理服务器的 URL 时,它会给出此错误消息

[Tue Jun 01 08:37:47.399377 2021] [proxy_http:error] [pid 130294] (103)Software caused connection abort: [client 192.168.xx.xxx:43702] AH01102: error reading status line from remote server msolarwinds:443
[Tue Jun 01 08:37:47.399514 2021] [proxy:error] [pid 130294] [client 192.168.xx.xx:43702] AH00898: Error reading from remote server returned by /

Solarwinds 作为后端运行。

反向代理虚拟主机

<VirtualHost *:80>                                                   
    ServerAdmin webmaster@domain                                 
    ServerName revproxy-01.domain                            
    ServerAlias revproxy-01                                      
    Redirect permanent / https://192.168.xxx.xxx                     
  #ProxyPass /Orion/ https://msolarwinds.domain:443/          
  #ProxyPassReverse /Orion/ https://msolarwinds.domain:443/   
    #ErrorLog "/var/log/httpd/reverseproxy-error_log"                
    #CustomLog "/var/log/httpd/reverseproxy-access_log" common       
</VirtualHost>                                                       
                                                                     
<VirtualHost *:443>                                                  
SSLEngine on                                                         
SSLProxyEngine on                                                    
SSLProtocol all -SSLv2 -SSLv3                                        
SSLProxyProtocol all -SSLv2 SSLv3                                    
#SSLProxyProtocol +TLSv1 -TLSv1.2 -SSLv2 -SSLv3                      
SSLCertificateFile /etc/pki/tls/certs/ca.crt                         
SSLCertificateKeyFile /etc/pki/tls/private/ca.key                    
    ServerAdmin webmaster@domain                                 
    ServerName revproxy-01.domain                            
    ServerAlias revproxy-01                                      
#<IfModule mod_proxy.c>                                              
#    <Proxy *>                                                       
#        Require all granted                                         
#    </Proxy>                                                        
    # backend server and forwarded path                              
    #SSLProxyCheckPeerCN off                                         
    #SSLProxyCheckPeerExpire off                                     
    #SSLProxyCheckPeerName off                                       
    #SSLProxyVerify none                                             
    #ProxyAddHeaders off                                             
                                                                     
    #ProxyRequests off                                               
    #ProxyVia off                                                    
    #ProxyPreserveHost on                                            
    #ProxyPass / https://172.16.xxx.xxx:443/ timeout=7200               
    ProxyPass / https://msolarwinds.domain:443/               
    ProxyPassReverse / https://msolarwinds.domain:443/        
    ErrorLog "/var/log/httpd/reverseproxy-error_log"                 
    CustomLog "/var/log/httpd/reverseproxy-access_log" common        
#</IfModule>                                                         
</VirtualHost> 

如果我curl msolarwinds.domain:443在 RevProxy 服务器上运行,它会回复

<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
<html><head>
<title>502 Proxy Error</title>
</head><body>
<h1>Proxy Error</h1>
<p>The proxy server received an invalid
response from an upstream server.<br />
The proxy server could not handle the request <em><a href="/">GET&nbsp;/</a></em>.<p>
Reason: <strong>Error reading from remote server</strong></p></p>
</body></html>
                

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