CAPTCHA

CAPTCHA related interest group.

Exclude a specific page from Captcha ? Captcha on all nodes except one, possible ?

Hi,

Do you know how I could keep a captcha enabled on the whole site but disable it for a specific page where people could comment without captcha ?

I am fighting with spam and captcha for years and when i need to set it difficult i would like to keep a page on my website without captcha, a page where i accept to be spammed but where people who really want to contact me could write me as a last chance (if they have problem to pass the captcha on other forms/pages).

Thank you for your help.

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AntiNSA's picture

I like the handwritten marker captcha like used here at groups.drupal.org Doeas anyone know where I can get it for my site? Thanks!

I like the handwritten marker captcha like used here at groups.drupal.org Doeas anyone know where I can get it for my site? Thanks!

2 comments

Factcha, new captcha system

Hey everyone,

Thanks to those who contributed to the Captcha module. Got it to work easily :)

We a a lot to be kind of forced to use captcha nowadays but I HATE THEM. I discovered a new captcha system called FACTCHA on the official jQuery site though, which seems to be pretty cool. Check it out. Maybe there is a way to implement that in Drupal? (I'm not that a good coder so unfortunately I can't do a module myself just yet)

http://demo.modernization.co.ke/factcha/rgstr/index.php

Thanks for reading.
Best regards,
CK

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CAPTCHA protected content

Hello, i would like to know if its possible to hide/protect a section of content from anonymous and new registered users using captcha, i do not know if I explaining myself well, so i will leave you with the following image:

http://i52.tinypic.com/2db0znd.jpg

2 comments

Distcha, an accessible Captcha

Has anyone considered implementing Distcha ?

Distcha is an accessible Captcha shown here :

http://accessibiliteweb.com/stuff/captcha-slider.html

It is a very promising new way of providing an accessible captcha.

4 comments

CAPTCHA in content types

It is no problem to add captcha to content type by admin links but i have a problem that the CAPTCHA is being rendered twice on the top of the content and in the bottom of the content.
Also when i try to publish a content of e certain content type i should fill in both CAPTCHA forms. Behavior is for sure different then in webform.

So:
How to persuade captcha to render only once in content type for example in the top or in the bottom of the content?

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kevee's picture

New Module : Text CAPTCHA

Just committed Text CAPTCHA - integration with the text-based logic CAPTCHA service at http://textcaptcha.com.

http://drupal.org/project/textcaptcha

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Problem

I installed Captcha and this is all I see in my module:

Enabled Name Version Description
reCAPTCHA 6.x-1.4 Uses the reCAPTCHA web service to improve the CAPTCHA system.
Depends on: Captcha (missing)
reCAPTCHA Mailhide 6.x-1.4 Uses the reCAPTCHA web service to protect email addresses.

Any help

1 comment

Captcha configuration use cases, captcha api

Mollom recently added extended user configuration to allow per form_id settings.
Mollom settings are clean and feature rich, but don't consider some use cases.
See initial issue:
http://drupal.org/node/774188
Read more about thoughts and extend your usecases.

The extension of mollom is designed to be a super administrator configuration task. What we need is a workflow that allows admins to put captchas into user generated forms entities like webforms.

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What's the trick to submit button below captcha on registration form?

Okay, I'm developing a new site and about to hit my wits end on this. Using Drupal Version 6.16 and was using captcha 6.21 but have temporarily gone back to a beta 3 version of 2.0 since someone else had posted this "fixed" the problem. Returned back to 6.21 since my efforts were to no avail.

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Help: Captcha Drupal Newbie: Error Message when Enabling Captcha/Installation

Hi There,

Been trying to install Captcha to my site, as been getting a lot of spam posts, etc.

I keep getting this message when I try to enable Captcha from admin/build/modules/confirm:

Fatal error: Call to undefined function drupal_install_schema() in /home/admin/public_html/sites/all/modules/captcha-6.x-2.1/captcha/captcha.install on line 105

Can anyone help me out? I installed the captcha folder to what I thought was sites/all/modules on my server.
Sorry, I am a bit technically illiterate and new to all this. Any help is most welcomed.

Thanks!

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Attack against captcha module

This morning we had a systematic attack from PSINet 38.100.41.113 against the securesite and captcha module.

They have systematically attacked this links (this have not been refereces from the site pages where the captcha module is on).

38.100.41.113 - GET /image_captcha/748/1258300696 HTTP/1.1
...
38.100.41.113 - GET /image_captcha/701/1258300123 HTTP/1.1

38.100.41.113 - GET /sites/all/modules/securesite/theme/securesite.css HTTP/1.1 200

Has someone else got such attachs? Are the images repeating sometime?
What can be done by spying out this URL?

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Captcha doesn't work on my customized 6.14 drupal version

Hi,

I installed, activated and configured the CAPTCHA module. But when I post a new comment, no captcha appears.

I tried on a fresh installed drupal and it works without any problems.

Could you help me to find where the problem could be ?

Thank you for you help

1 comment

Captcha doesnot work with Page cache

Hi

Drupal version: 5.3
Captcha module version: 5.x-3.1

The current version of Captcha doesnot work with Page cache enabled. This could be a big disadvantage in a large site with many pages. To resolve the same and cache the page content we could apply the below patch.

Refer patch at http://drupal.org/node/602226.

We could furthur enhance and work towards removing session for anonymous user entirely and cache the captcha along with the page cache, refersh it only when used. Any suggestions.

Thanks

2 comments
mlncn's picture

Hair-trigger spam filter is a usability issue

I have accepted the overzealous spam filtering on g.d.o (if you included a link, you MUST be a spammer!) under the theory that we should live with our own tools– if a brand new user has to put up with it, I should also until I make it better for everyone.

As of today, I'm done with that noble approach.

Your submission has triggered the installed spam filter and will not be accepted.

11 comments · Read more

Missing CAPTCHA image

Hi, I wonder if anyone can help me? I've just installed CAPTCHA (6.x-1.0-rc2) as one of my sites was being bombarded with new user registrations. I selected the image option, installed a font, and could see the example image in the admin panel. However, when I attempt to register as an anonymous user I can't see the image. Have a look http://www.capiro.co.uk/node/112

The image path is http://www.capiro.co.uk/image_captcha/1077246294 which I don't understand 'cos the directory doesn't exist! However, that is the same path as used in the admin pages where it works?

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captcha module [version 5] leads to increase the query

We have News site with lots of hits per day. So we are decided to optimize the code for anonymous user. We logged the query list of all pages, then we confirmed that all pages are retrieved from performance cache except the node page. The same bunch of queries repeated twice in the node page. In our node page we have some custom blocks, node comments and captcha.
Then I take the following steps to find the cause.
Removed the block from the node page --- No improvement
Enabled the block to the node page and disabled the comment module ---- No improvement

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How to implement captcha in a simple custom form?

Hello,

I use Drupal 6.10 and Xampp on windows sp3 for local testing purposes. Started with Drupal a few months ago.
I have seen Rob's video tutorial (btw. it is great) and did so in order to protect my custom html/php mailing form but it does not work. Drupal comment form and others work fine, no matter whether I put image, math or text. Only when I want to use it on my form: nothing happens.

I googled a lot without success, to find some code example because I'm not sure if drupal captcha is supposed to work on custom forms at all?

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netgenius's picture

Possible DoS vulnerability with image captcha

Hi people - I've posted this already on the main Drupal site - http://drupal.org/node/383426 - could somebody run similar tests and/or comment please?

This came about because one of my sites was seeing huge (20+) load averages from time to time, making the site next to useless. I also know from logs that more than once we have script attacks which are trying to create user accounts (and of course we also get the usual spam post attempts.) So, I'm guessing the two are related.

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Captcha: A Strange experience

Hi!

I am using CAPTCHA in my drupal site for shoutbox. It is a nice thing to shield shoutbox from spams attack. In my case the shoutbox is appearing in the block. There is strange behavior of CAPTCHA upon submitting wrong code that the whole site (targeted page with error message) opens recursively with in that block above the CAPTCHA enabled form. How can I deal with this issue.

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