apache虚拟主机反向代理错误proxy: HTTP: disabled connection for (xx.xx.x

(2014-06-27 16:17:30)

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Apache ProxyPass出现503 Service Temporarily Unavailable错误的解决方案

在Redhat5 Linux上配置Apache虚拟主机反向代理,将不同的二级域名转发到各自web app的地址上去

发现当访问的时候发现不可访问，出现503错误：

Service Temporarily Unavailable

The server is temporarily unable to service your request due to maintenance downtime or capacity problems. Please try again later.

Apache/2.2.15 (CentOS) Server at www.hacpyzlglb.net Port 80

查看cpache log:

[Fri Jun 27 16:08:32 2014] [error] ap_proxy_connect_backend disabling worker for (xx.xx.98.34)

[Fri Jun 27 16:12:23 2014] [error] (13)Permission denied: proxy: HTTP: attempt to connect to xx.xx.98.34:1080 (xx.xx.98.34) failed

[Fri Jun 27 16:12:23 2014] [error] ap_proxy_connect_backend disabling worker for (xx.xx.98.34)

[Fri Jun 27 16:12:23 2014] [error] proxy: HTTP: disabled connection for (xx.xx.98.34)

执行

［root@log]#/usr/sbin/getsebool -a |grep httpd_can_network_connect

httpd_can_network_connect --> off

httpd_can_network_connect_cobbler --> off

httpd_can_network_connect_db --> off

于是尝试解决方案：
我们需要将httpd_can_network_connect设置为on：

[root@ logs]# /usr/sbin/setsebool -P httpd_can_network_connect=1

[root@ logs]# /usr/sbin/getsebool -a |grep httpd_can_network_connect

httpd_can_network_connect --> on

重新访问，页面果然可以访问了。

另外直接关掉SELinux也是可以解决这个问题的：

修改/etc/selinux/config 然后重启：

SELINUX=disabled 或者实时生效的方式：

[root@ var]# /usr/sbin/setenforce 0

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