
在使用香港服务器时,会遇到这种情况:网站在大陆无法访问,但在香港或国外却可以。就像google、facebook、youtube等国外网站一样,这是为什么呢?这其实就是IP或域名被中国防火墙(GFW)屏蔽,俗称被墙,当境外服务器和网站出现不符合中国法律和政策的内容时,就有可能会被墙。
要如何判断是IP还是域名被墙,通过简单的测试就能判断,如果直接输入IP能打开网站,输入域名就不行,那说明域名被墙了;如果网站不开,更换IP之后就能打开,说明被墙的是IP。正常情况下,当IP被墙的时候就需要认真检查网站的内容,而不是反复更换IP逃避屏蔽,这样的后果一定会导致域名被墙。
域名被墙有什么影响:每个访客访问一次被墙域名之后,在5-20分钟内再去访问同一个IP上的其他站点均无法再次访问。被墙的域名一直解析到某个IP的话,最终会导致整个IP被墙。如果间歇性的可以打开,打不开的时候用国外代理可以打开,说明域名被间歇性屏蔽(这个情况也可能是国内DNS解析不稳定造成的)。删除敏感信息词条关键字即可。
香港服务器网站域名被墙了要怎么办呢?
1、域名被墙,最好立即解析走这个域名,不要保留在你的服务器上。检查网站内容,如果没有发现违规内容,可以试试将域名解析到国内的某个大站,过几天后有可能会被解封;
2、换回国内的空间,使用备案服务器建站;通过国内节点CDN分发。
3、换域名(将被墙域名解析到国内空间,然后做301重定向到新域名,以减少流量和权重的丢失)。
4、域名被墙多数是因为网站上存在过多非法关键词,导致域名信息被中国国家防火墙拦截。根治办法就是在你的服务器上安装关键词拦截系统,把敏感的词汇都给拦截了,这样就能保护站点不会再次被墙。如果内容没有问题,可以联系当地电信等ISP,要求对方检查,有时他们可以帮助将网站从黑名单中移除。
5、不安装关键词拦截系统的话,要整改网站内容,检查相关关键字有没有违反规定的,自己检查不到的,最好的办法是重做网站,保证之后的域名不被墙掉。
香港服务器域名被墙是一个比较麻烦的问题,一旦出现这种情况,对网站的流量影响是很大的,在互联网经济中,流量和经济效益是成正比的,要想获得好的收益,合法合规经营才是长久之道!
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