FirefoxBar/HeaderEditor is one of the most complex and powerful extensions after Firefox 57.

Today, I create a repository to share rules of it.

The first rule I create is to anti-anti-leech pictures, most of Chinese, by change HTTP Referer.

The anti-leech function is based on the HTTP referer mechanism where the referer, namely an HTTP header field, is used for source tracking, source recognition and processing. You can configure a referer black list or white list to identify and filter visitors in order to limit access to your CDN resources.

We can test here: 反盗链测试

Most of them, a null Referer field can be used to access resources on a CDN node (that is, whether a web browser can use its URL to directly access resources on a target URL).

Add my rule to extension, you can access resources:

Before:

After:

Baidu：
1：

2：

3：

4：

5：

Sina：
1：

2：

Tencent：
1：

2：

3：

4：

chiphell：
1：

2：

PConline：

TianYa：
1：

2：

3：

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Open Source Contribution posted via Utopian.io

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