The requested URL could not be retrieved

最新推荐文章于 2021-08-09 17:38:39 发布

rin9958

最新推荐文章于 2021-08-09 17:38:39 发布

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分类专栏： web技术

本文链接：https://blog.youkuaiyun.com/ldl_xz/article/details/84768488

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本文详细介绍了如何解决访问URL时遇到的HTTP 504错误，以及通过调整防火墙配置来避免此类问题的方法。重点讨论了错误原因分析、iptables命令使用技巧，帮助用户有效排查并解决网络请求失败的问题。

ERROR

The requested URL could not be retrieved

While trying to retrieve the URL: http://9958.pw/

The following error was encountered:

Unable to forward this request at this time. This request could not be forwarded to the origin server or to any parent caches. The most likely cause for this error is that:

The cache administrator does not allow this cache to make direct connections to origin servers, and All configured parent caches are currently unreachable.

我当时遇到的时候是因为防火墙问题：

[root@cloud init.d]# ./iptables stop 
iptables：清除防火墙规则： [确定] 
iptables：将链设置为政策 ACCEPT：filter [确定] 
iptables：正在卸载模块： [确定] 
[root@cloud init.d]#

转载自:http://www.9958.pw/post/vps-centos-504

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