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URL filtering tip

gwarser 2019-09-01 14:53:19 +02:00
parent 0f88ee8474
commit 0121fe3817
1 changed files with 6 additions and 0 deletions
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6
Dynamic-filtering:-rule-syntax.md

@ -19,6 +19,12 @@ Source hostname always corresponds to the hostname extracted from the URL of the
The destination hostname corresponds to the hostname extracted from the URL of a remote resource which the web page is fetching (or trying to).
> ***
> **Tip:**
>
> In specific cases [URL filtering](./Dynamic-URL-filtering) will allow for greater accuracy when controlling destination URL.
> ***
A rule always automatically propagates to all subdomains of the source hostname and all subdomains of the destination hostname -- unless the rule is overridden by a narrower rule in one of the subdomains.
Given that rules always propagate to subdomains, there is no need to prefix the hostname part with a wildcard `*.`, doing so is invalid and will cause the the rule to be discarded.