proxy_set_header Host

在Nginx中，proxy_set_header Host用于设置代理请求的目标主机。默认情况下，它的值是$proxy_host，即代理请求的目标主机与代理服务器的主机相同。这意味着代理请求将会转发给与代理服务器相同的主机。此外，还可以使用其他指令来修改Host头部的值，比如使用proxy_set_header X-Forwarded-For来设置客户端的真实IP地址。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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