The Un-Official Proxomitron Forum - Bfilter remove captcha frame...

Hi peoples!

I install Bfilter, and insert rule from AdBlock, as write on http://www.convoglio.com/bfilter/.

After this manipulation, my files contain

/etc/bfilter/urls -> http://www.reactos.org/paste/index.php/1830/
/etc/bfilter/urls.local -> http://www.reactos.org/paste/index.php/1831/
/etc/bfilter/filters/Common annoyances filter -> http://www.reactos.org/paste/index.php/1833/
/etc/bfilter/filters/PopUp filter -> http://www.reactos.org/paste/index.php/1834/

All work fine, adv removing. But after some time using, i find trouble. The Bfilter remove captcha area from recaptcha.net.

Example, in direct connect, page HTML code is

Code:

<tr> 

<td class="l">Protect code:&nbsp;</td> 

<td><script type="text/javascript" src="http://api.recaptcha.net/challenge?k=6LePWQIAAAAAAEPgACyC-FPPrYGItib7GVA4z4pk...; 

<noscript> 

<iframe src="http://api.recaptcha.net/noscript?k=6LePWQIAAAAAAEPgACyC-FPPrYGItib7GVA4z4pk&...; height="300" width="500" frameborder="0"></iframe><br/> 

<textarea name="recaptcha_challenge_field" rows="3" cols="40"></textarea> 

<input type="hidden" name="recaptcha_response_field" value="manual_challenge"/> 

</noscript> 

</td> 

</tr>

But if connect from bfilter, page HTML code change to

Code:

<tr> 

<td class="l">Protect code:&nbsp;</td> 

<td><!-- [BFilter] Script removed [ad or webbug in the adjacent noscript]. --> 

<span> 

<!-- [BFilter] IFRAME ad removed (page_cleanup is in effect) --><br/> 

<textarea name="recaptcha_challenge_field" rows="3" cols="40"></textarea> 

<input type="hidden" name="recaptcha_response_field" value="manual_challenge"/> 

</span> 

</td> 

</tr>

(sample url http://protos.dk/2007/11/17/recaptcha-for-wordpress/)

I search in all configfile the strings "captcha", "[BFilter] Script removed [ad or webbug in the adjacent noscript]", "[BFilter] IFRAME ad removed (page_cleanup is in effect)", but this string not found.

I try append rule to urls.local

Code:

ALLOW http://*recaptcha.net*

but captcha still removing.

Questions:

Where is finding a rule, that remove this captcha?
What writing to bfilter configfiles for don't block this captcha?

(Sep. 06, 2008 06:54 PM)xintrea Wrote: [ -> ]Where is finding a rule, that remove this captcha?

It's a heuristic rule for dealing with iframes, and probably it's too strict. It should be changed, but I lost my interest in developing BFilter, so I am not going to do it, sorry.

(Sep. 06, 2008 06:54 PM)xintrea Wrote: [ -> ]What writing to bfilter configfiles for don't block this captcha?

I am not sure why ALLOW doesn't help, but a negative hint does:

Code:

-10 */api.recaptcha.net/*

(Sep. 06, 2008 07:17 PM)jart Wrote: [ -> ]
(Sep. 06, 2008 06:54 PM)xintrea Wrote: [ -> ]Where is finding a rule, that remove this captcha?
It's a heuristic rule for dealing with iframes, and probably it's too strict. It should be changed, but I lost my interest in developing BFilter, so I am not going to do it, sorry.

Please, add a bit of text to your documentation at page http://bfilter.sourceforge.net/doc/url-patterns.php, may be

"If you see in HTML source string


or


note that this string replaced content, removed by heuristic rule. For disable remove script/frame content from target URL, try append rule to urls оr urls.local

Code:

-10 Url_mask

This rule reduce "suspicion" to content from target url, and script/frame code don't changed."

(sorry my english)

(Sep. 06, 2008 07:17 PM)jart Wrote: [ -> ]
(Sep. 06, 2008 06:54 PM)xintrea Wrote: [ -> ]What writing to bfilter configfiles for don't block this captcha?
I am not sure why ALLOW doesn't help, but a negative hint does:

Code:

-10 */api.recaptcha.net/*

Thanks, this is worked.