阻止网站自动访问
我和我的朋友刚刚讨论了如何以最佳方式向我的页面发送垃圾邮件。他编写了一个 Java 程序，该程序会在我的站点上的每次调用时更改代理并设置新的用户代理。然后我们问我们是否可以以某种方式阻止非真实访问者访问网站。这可能吗？如何？
My friend and I just discussed about how to spam my page the best way. He writes a Java-Program which changes the proxy and sets the user agent new with every call on my site. Then we asked us, if it is somehow possible to prevent a website from accesses which are done by a non-real visitor. Is this possible? How?
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否。服务器与其他机器而不是“真实访问者”进行交互。所以他们永远无法知道。只是他们是机器，我们是人。
您可以尝试让您的应用程序更智能地猜测对它的请求最初是否是由人类触发的，但是严格来说，这在自动化方式中是不可能的，您在检测中总会有缺陷/差距。
No. Servers are interfacing with other machines, not "real visitors". So they never can know. It's just that they are machines and we are humans.
You can try to make your application smarter on guessing whether a request to it was originally triggered by a human or not, however strictly spoken this is not possible in an automated fashion, you will always have defects / gaps in the detection.
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If it's simply filling in a comment or something you might want to check out