请问这是什么情况，几乎天天都能遇到几次，而且大部份是访问外国网站时就会遇到
This topic created in 3737 days ago, the information mentioned may be changed or developed.
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VmuTargh Mar 18, 2016
I use the ADSL of China Telecom and found tis problem in recent. I think the addresses are listed in blacklist of Cloudflare.
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wdlth Mar 18, 2016
CloudFlare 的验证，用来抗部分攻击的。
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shiji Mar 18, 2016
之前有人告诉我 reCaptcha 中国打不开，这是什么情况？
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