CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+
"><LINK
REL="HOME"
-TITLE="Privoxy 3.0.5 User Manual"
+TITLE="Privoxy 3.0.6 User Manual"
HREF="index.html"><LINK
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TITLE="Actions Files"
><TH
COLSPAN="3"
ALIGN="center"
->Privoxy 3.0.5 User Manual</TH
+>Privoxy 3.0.6 User Manual</TH
></TR
><TR
><TD
><H2
CLASS="SECT2"
><A
-NAME="AEN4271"
+NAME="AEN4304"
></A
>9.1. Filter File Tutorial</H2
><P
></UL
>
</P
+><P
+> Use with caution. This is an aggressive filter, and can break sites that
+ rely heavily on JavaScript.
+ </P
></DD
><DT
><SPAN
><P
> This is a very radical measure. It removes virtually all JavaScript event bindings, which
means that scripts can not react to user actions such as mouse movements or clicks, window
- resizing etc, anymore.
+ resizing etc, anymore. Use with caution!
</P
><P
> We <SPAN
to sneak cookies to the browser on the content level.
</P
><P
-> This filter disables HTML and JavaScript code that reads or sets cookies. Use
- it wherever you would also use the cookie crunch actions.
+> This filter disables most HTML and JavaScript code that reads or sets
+ cookies. It cannot detect all clever uses of these types of code, so it
+ should not be relied on as an absolute fix. Use it wherever you would also
+ use the cookie crunch actions.
</P
></DD
><DT
</P
><P
> Technical note: The filter works by redefining the window.open JavaScript
- function to a dummy function during the loading and rendering phase of each
- HTML page access, and restoring the function afterward.
+ function to a dummy function, <TT
+CLASS="LITERAL"
+>PrivoxyWindowOpen()</TT
+>,
+ during the loading and rendering phase of each HTML page access, and
+ restoring the function afterward.
+ </P
+><P
+> This is recommended only for browsers that cannot perform this function
+ reliably themselves. And be aware that some sites require such windows
+ in order to function normally. Use with caution.
</P
></DD
><DT
>all</I
></SPAN
> pop-up windows from opening.
- Note this should be used with more discretion than the above, since it is
- more likely to break some sites that require pop-ups for normal usage. Use
- with caution.
+ Note this should be used with even more discretion than the above, since
+ it is more likely to break some sites that require pop-ups for normal
+ usage. Use with caution.
</P
></DD
><DT
> Occasionally this filter will cause false positives on images that are not ads,
but just happen to be of one of the standard banner sizes.
</P
+><P
+> Recommended only for those who require extreme ad blocking. The default
+ block rules should catch 95+% of all ads <SPAN
+CLASS="emphasis"
+><I
+CLASS="EMPHASIS"
+>without</I
+></SPAN
+> this filter enabled.
+ </P
></DD
><DT
><SPAN
As an HTML page is loaded by the browser, an embedded image tag causes the
browser to contact a third-party site, disclosing the tracking information
through the requested URL and/or cookies for that third-party domain, without
- the use ever becoming aware of the interaction with the third-party site.
+ the user ever becoming aware of the interaction with the third-party site.
HTML-ized spam also uses a similar technique to verify email addresses.
</P
><P
><P
> Many consider windows that move, or resize themselves to be abusive. This filter
neutralizes the related JavaScript code. Note that some sites might not display
- or behave as intended when using this filter.
+ or behave as intended when using this filter. Use with caution.
</P
></DD
><DT
></DT
><DD
><P
-> A collection of text replacements to disable malicious HTML and JavaScript
+> An experimental collection of text replacements to disable malicious HTML and JavaScript
code that exploits known security holes in Internet Explorer.
</P
><P
anything regarding this filter.
</P
></DD
+><DT
+><SPAN
+CLASS="emphasis"
+><I
+CLASS="EMPHASIS"
+>google</I
+></SPAN
+></DT
+><DD
+><P
+> A CSS based block for Google text ads. Also removes a width limitation
+ and the toolbar advertisement.
+ </P
+></DD
+><DT
+><SPAN
+CLASS="emphasis"
+><I
+CLASS="EMPHASIS"
+>yahoo</I
+></SPAN
+></DT
+><DD
+><P
+> Another CSS based block, this time for Yahoo text ads. And removes
+ a width limitation as well.
+ </P
+></DD
+><DT
+><SPAN
+CLASS="emphasis"
+><I
+CLASS="EMPHASIS"
+>msn</I
+></SPAN
+></DT
+><DD
+><P
+> Another CSS based block, this time for MSN text ads. And removes
+ tracking URLs, as well as a width limitation.
+ </P
+></DD
+><DT
+><SPAN
+CLASS="emphasis"
+><I
+CLASS="EMPHASIS"
+>blogspot</I
+></SPAN
+></DT
+><DD
+><P
+> Cleans up some Blogspot blogs. Read the fine print before using this one!
+ </P
+><P
+> This filter also intentionally removes some navigation stuff and sets the
+ page width to 100%. As a result, some rounded <SPAN
+CLASS="QUOTE"
+>"corners"</SPAN
+> would
+ appear to early or not at all and as fixing this would require a browser
+ that understands background-size (CSS3), they are removed instead.
+ </P
+></DD
+><DT
+><SPAN
+CLASS="emphasis"
+><I
+CLASS="EMPHASIS"
+>xml-to-html</I
+></SPAN
+></DT
+><DD
+><P
+> Header filter to change the Content-Type from xml to html.
+ </P
+></DD
+><DT
+><SPAN
+CLASS="emphasis"
+><I
+CLASS="EMPHASIS"
+>html-to-xml</I
+></SPAN
+></DT
+><DD
+><P
+> Header filter to change the Content-Type from html to xml.
+ </P
+></DD
></DL
></DIV
></DIV
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