Re: How to Block/Allow Javascript?

Fabian Keil <[email protected]> Tue, 27 Nov 2018 16:25:00 +0100

Newsgroups	gmane.comp.web.privoxy.user
Message-ID	<[email protected]>

"H. Hodges" <[email protected]> wrote:

> I want to block Javascript by default and whitelist some scripts. I 
> assume that I need to use filters, but I don't know how to refer to 
> Javascript in the rules (for example, *.js or ^script).

You can use both a filter and blocks, however this will
not work 100% reliable.

To remove script regions you can use a filter like:

FILTER: remove-scripts Remove script tags
s@<script[^>]*>.*</script>@@Ugis

Additionally you can block URLs ending with js:

{+block{JavaScript is disabled}}
/.*\.js

Some sites embed JavaScript in other tags using event attributes:
https://en.wikipedia.org/wiki/HTML_attribute#Event_attributes

Preventing this requires additional filter rules.

Fabian

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