变色龙加速器GI加速器奇游加速器ThreeVPNproviders-Astrill, StrongVPN and Golden Frog-claimed last week that their services had been disrupted and become unavailable for users on the Chinese mainland...
“7天免費試用”“3元開通一周VIP”,諸如此類低(lei di)價試用的宣傳(xuan chuan)頗為吸人眼球,然而開通後卻發現這些軟件(ruan jian)在默默扣費(kou fei)。《中國消費者報》記者調查發現,這類APP存在“自動續費”選項...
域名系统（DNS）就像互联网的地址簿。DNS将域名解析为存储数据的服务器IP地址。DNS服务器的运行速度差异很大。慢速DNS服务器意味着访问网站时延迟更长（延迟更长）。有时，你选择的...