blocks|key|745334|text|如果您使用的是PHP，您可以有一个脚本链接用户到下载，但只有当$_SERVER['HTTP_REFERER']是从您的网站。如果不是，您可以重定向到您的站点。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|745335|entityMap^0|V|O|0^^$0|@$1|2|3|4|5|6|7|H|8|@$9|I|A|J|B|C]]|D|@]|E|$]]|$1|F|3|-4|5|6|7|K|8|@]|D|@]|E|$]]]|G|$]]

If you are using PHP, you can have a script that links the user to the download but only if the <code>$_SERVER['HTTP_REFERER']</code> is from your site. If it is not you redirect to your site.

blocks|key|424594|text|您的站点由Apache服务器托管，因此您应该能够在站点的httpd.conf+(或虚拟主机块)中执行以下操作|type|unstyled|depth|inlineStyleRanges|entityRanges|data|424595|RewriteEngine+On
RewriteCond+++%25{HTTP_REFERER}+!%5E$
RewriteCond+++%25{HTTP_REFERER}+!%5Ehttp://(www\.)?yourdomain\.com/++[NC]
RewriteRule+++%5E/PublicFiles/++/page-about-direct-links.html|code-block|syntax|javascript|424596|这基本上是说：|424597|打开mod_rewrite引擎|ordered-list-item|424598|如果不是空的，…|424599|并且不包含我的域名(带或不带“www.”)…|424600|重定向/PublicFiles/+to+/page-约直接链接下的任何请求|424601|有关mod_rewrite的更多信息可以在这里找到：重写-|offset|length|424602|entityMap|0|LINK|mutability|MUTABLE|url|http://httpd.apache.org/docs/2.0/mod/mod_rewrite.html^0|0|0|0|0|0|0|0|Q|3|0|0^^$0|@$1|2|3|4|5|6|7|13|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|14|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|15|8|@]|9|@]|A|$]]|$1|I|3|J|5|K|7|16|8|@]|9|@]|A|$]]|$1|L|3|M|5|K|7|17|8|@]|9|@]|A|$]]|$1|N|3|O|5|K|7|18|8|@]|9|@]|A|$]]|$1|P|3|Q|5|K|7|19|8|@]|9|@]|A|$]]|$1|R|3|S|5|6|7|1A|8|@]|9|@$T|1B|U|1C|1|1D]]|A|$]]|$1|V|3|-4|5|6|7|1E|8|@]|9|@]|A|$]]]|W|$X|$5|Y|Z|10|A|$11|12]]]]

Your site is hosted by an Apache web server, so you should be able to do the following in your site's httpd.conf (or virtual host block)

<pre><code>RewriteEngine On
RewriteCond %{HTTP_REFERER} !^$
RewriteCond %{HTTP_REFERER} !^http://(www\.)?yourdomain\.com/ [NC]
RewriteRule ^/PublicFiles/ /page-about-direct-links.html
</code></pre>

That is basically saying:

<ol>
<li>Turn the mod_rewrite engine on</li>
<li>If the HTTP Referrer is not blank…</li>
<li>And doesn't contain my domain name (with or without “www.”)…</li>
<li>Redirect any requests for anything under /PublicFiles/ to /page-about-direct-links.html</li>
</ol>

More information on mod_rewrite can be found here: <a href="http://httpd.apache.org/docs/2.0/mod/mod_rewrite.html" rel="nofollow noreferrer">mod_rewrite - Apache HTTP Server</a>

blocks|key|745896|text|不要提供直接链接到您正在服务的文件。提供一个脚本，一旦您点击submit按钮，就会通过该脚本发送内容。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|745897|做一个通过cgi发送文件的网络搜索。|745898|下面是我在网上找到的一个很好的链接：这里|offset|length|745899|entityMap|0|LINK|mutability|MUTABLE|url|http://www.sitepoint.com/article/file-download-script-perl/^0|0|0|I|2|0|0^^$0|@$1|2|3|4|5|6|7|P|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|Q|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|R|8|@]|9|@$F|S|G|T|1|U]]|A|$]]|$1|H|3|-4|5|6|7|V|8|@]|9|@]|A|$]]]|I|$J|$5|K|L|M|A|$N|O]]]]

Don't provide a direct link to the file you are serving. Provide a script that sends the content through the script once you hit the submit button.

Do a web search for sending files through cgi.

Here is a neat link I found online:
<a href="http://www.sitepoint.com/article/file-download-script-perl/" rel="nofollow noreferrer">here</a>

blocks|key|424637|text|为什么不让链接变得动态和间接，例如：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|424638|在第X页：(静态)|424639|<a+href="Y">SuperNeat+Program</a>|code-block|syntax|javascript|424640|页Y：(动态生成)|424641|Click+here+to+download+
<a+href="Z.php?timestamp={timestamp}&counter={counter}&hash={hash}">
SuperNeat+Program</a>|424642|并替换自1970年以来以msec为单位的时间戳w/当前时间，计数器=每次下载增加一次的计数器，散列=级联(时间戳、计数器、秘密盐)的MD5散列，其中的秘盐=任何您保守秘密的最喜欢的代码。|424643|然后在页面Z.php上，您只需重新计算计数器中的散列和查询字符串中的时间戳，检查它是否与查询字符串中的散列匹配，并且时间戳是最近的(例如，从前30分钟或60分钟或其他时间)。如果是，则将所述文件送达。如果不是，抛出一条错误消息。这只会给某人一个很短的时间来直接链接到你的文件.如果您甚至不想这样做，那么跟踪在Z.php查询字符串中接收到的计数器值，并且不要接受它们不止一次。|424644|entityMap^0|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|T|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|U|8|@]|9|@]|A|$G|H]]|$1|I|3|J|5|6|7|V|8|@]|9|@]|A|$]]|$1|K|3|L|5|F|7|W|8|@]|9|@]|A|$G|H]]|$1|M|3|N|5|6|7|X|8|@]|9|@]|A|$]]|$1|O|3|P|5|6|7|Y|8|@]|9|@]|A|$]]|$1|Q|3|-4|5|6|7|Z|8|@]|9|@]|A|$]]]|R|$]]

Why not just make the links dynamic and indirect, for example:

on page X: (static)

<pre><code>&lt;a href="Y"&gt;SuperNeat Program&lt;/a&gt;
</code></pre>

on page Y: (dynamically generated)

<pre><code>Click here to download 
&lt;a href="Z.php?timestamp={timestamp}&amp;counter={counter}&amp;hash={hash}"&gt;
SuperNeat Program&lt;/a&gt;
</code></pre>

and replace timestamp w/ the current time in msec since 1970, counter = a counter that you increment once per download, hash = MD5 hash of concatenate(timestamp,counter,secret salt) where secret salt = any favorite code you keep secret.

Then on page Z.php, you just recalculate the hash from the counter and timestamp in the query string, check that it matches the hash in the query string, and that the timestamp is recent (e.g. from the previous 30 minutes or 60 minutes or whatever). If it is, then serve the file in question. If it isn't, throw an error message. This gives someone only a brief time period to direct-link to your file. If you don't even want that, then keep track of the counter values received in the Z.php query string and don't accept them more than once.

blocks|key|424520|text|我一点也不是网络专家，但我在想下面的指针-|type|unstyled|depth|inlineStyleRanges|entityRanges|data|424521|如果您正在使用asp.net可以在网站级帮助配置http处理程序或模块(+web上的大量信息)，我最近查找了一些工作，例如，这里有一个文章。|offset|length|424522|这样做的目的是在请求到达目标文件之前拦截它，并将其重定向到您希望显示的页面；例如--如果有人希望浏览到您发布的url+("http://sy-stu.org/stu/PublicFiles/StdLibrary/Exam.zip")，拦截此呼叫，请使用一些查找来查找您希望显示的页面，并将请求重定向到那里；我猜跟随链接的用户不会太生气(除非他们做了“将目标保存为”，这将导致他们保存一些HTML，而不是ZIP)。|424523|然而，在我的计划中有一些“漏洞”--你如何提供一个从你自己的页面上工作的链接？我相信您可以区分来自您的网站的请求和来自他人的请求，您可以通过检查请求对象来检查处理程序/模块。|424524|entityMap|0|LINK|mutability|MUTABLE|url|http://www.15seconds.com/Issue/020417.htm|1|http://sy-stu.org/stu/PublicFiles/StdLibrary/Exam.zip^0|0|1V|2|0|0|1P|1H|1|0|0^^$0|@$1|2|3|4|5|6|7|T|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|U|8|@]|9|@$D|V|E|W|1|X]]|A|$]]|$1|F|3|G|5|6|7|Y|8|@]|9|@$D|Z|E|10|1|11]]|A|$]]|$1|H|3|I|5|6|7|12|8|@]|9|@]|A|$]]|$1|J|3|-4|5|6|7|13|8|@]|9|@]|A|$]]]|K|$L|$5|M|N|O|A|$P|Q]]|R|$5|M|N|O|A|$P|S]]]]

I'm not at all a web expert, but I was thinking about the following pointer - 

if you're using asp.net could http handlers or modules configured at the web site level help (lot's of information on those on the web, I looked it up recently for some work, here's one <a href="http://www.15seconds.com/Issue/020417.htm" rel="nofollow noreferrer">article</a> for example.

The idea is to intercept the request before it reaches the target file and redirect it to the page you wish to show; for example - if someone wishes to browse to the url you've posted ("<a href="http://sy-stu.org/stu/PublicFiles/StdLibrary/Exam.zip" rel="nofollow noreferrer">http://sy-stu.org/stu/PublicFiles/StdLibrary/Exam.zip</a>") intercept this call,use some lookup to find the page you wish to display and redirect the request there;I'm guessing users following a link won't be too annoyed (unless they have done "save target as", which would result them saving some HTML and not ZIP).

However, there's some "hole" in my plan - how do you actually provide a link that works from your own page? I believe you can differentiate between requests coming from your web site and ones coming from others' which you could check on the handler/module by examining the request object.

I own a website which contain a lot of freeware stuff to download on it. The problem I'm facing is that people from around the world are taking the direct links
of the files (for example .zip files) and posting them on their websites and general forums. I am getting a huge amount of bandwidth and that's ok, but the number of pages visited is low. Is there a way or a script that I can add to the links, so that when someone presses on the link from a foreign website, a page from my website opens instead, which then lets him download the file so I can get more visits.

For example, this is a address from my website:

<blockquote>
 <a href="http://sy-stu.org/stu/PublicFiles/StdLibrary/Exam.zip" rel="noreferrer">http://sy-stu.org/stu/PublicFiles/StdLibrary/Exam.zip</a>
</blockquote>

When anyone presses on it, it will start the downloading process directly.

How to prevent deep linking to files on my website

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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我有一个网站，里面有很多免费软件可以下载。我所面临的问题是，来自世界各地的人们正在获取这些文件的直接链接(例如.zip文件)，并将它们张贴在他们的网站和一般论坛上。我得到了大量的带宽，这是可以的，但访问的页面数量很低。是否有一种方式或脚本，我可以添加到链接，这样当有人按下链接从外国网站，从我的网站打开一个页面，然后让他下载文件，以便我可以得到更多的访问。例如，这是我网站上的地址：当任何人按下它时，

问如何防止深入链接到我的网站上的文件
EN

回答 5

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