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Tag: Captcha

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Nimeshi995

: Simple Machines Forum site has daily spam registrations despite countermeasures I have turned on all the spam registration countermeasures in the latest version of SMF for my forum, but am still

Si4351233

: Can Googlebot crawl reCAPTCHA v2? I'm building a website that contains certain forms protected by reCAPTCHA v2. Can Googlebot crawl content protected by its own reCAPTCHA v2?

Turnbaugh106

: Up-and downsides of a humanoid/common-sense question verification method as replacement of Captcha? I have thought about my own verification opposed to captcha / digit typing. It would look like

Chiappetta492

: Should captcha be used on every vulnerable page, or just on initial page load to deter robots? I do not know too much about how hackers compromise websites but am careful about sanitizing all

Samaraweera270

: Google reCAPTCHA "Type the Text" I'm currently trying out Google reCAPTCHA and I want the challenges to be "Type the Text" where it will only shows digitized text/numbers and the user will just

Yeniel560

: How can I verify the result of a reCAPTCHA in PHP I am currently working on a website, and I've had some problems with spammers on my comment system. So, I am implementing a reCAPTCHA (maybe

Gonzalez347

: Is a CAPTCHA more effective than an open ended question such as a math question? Large company websites often use CAPTCHA to prevent spam. Why are they still using CAPTCHA if security has

Dunderdale272

: How can I block bots from creating MediaWiki accounts and articles? I created a new MediaWiki website, Speedypedia. It's currently in alpha in two languages - English and Hebrew. I also submitted

Merenda212

: Clear and concise instructions for an account creation CAPTCHA with MediaWiki? We get our share spam accounts on our MediaWiki, and we'd like to curb it. According to MediaWiki's Extension:ConfirmAccount:

Pope3001725

: How can I protect my website if services like 2Captcha claim to crack the new reCAPTCHA? Have recently seen their ad where they claim to be able to do it due to the fact that unlike most

Chiappetta492

: How do I secure my site against human spam farm attacks? I have a Q&A site that has recently been attacked by what I strongly believe to be a human spam farm, as described in these articles:

Si4351233

: Why do "Registration-bots" exist? What do they gain from registering on my site? I'm curious as i've been developing some anti-bot procedures for a website, only because I see others doing it.

Tiffany637

: Chinese bots in my forum I have a small community forum that doesn't really get posts or any real traffic. The only thing that happens on the regular is bots with Chinese IPs signing up gibberish

Bryan171

: How secure is a static CAPTCHA? I have seen some webmasters using a CAPTCHA that doesn't change at all. And many of them use JavaScript to validate these value. For example: if(captchaCode !=

BetL925

: Does anyone run a site with Pligg? What is the most effective way to stop spam sign ups? Possible Duplicate: How can I prevent spam on sites which I control? Specifically trying

Cofer257

: Spammers in my Magento blog comment section! Possible Duplicate: How can I prevent spam on sites which I control? I have a blog extension installed on my Magento website. But I

Murray155

: What Captcha Services are available for free? I'm looking for a free captcha service for a html/css/php site. reCAPTCHA seems to be very famous. Is it effective? Are there maybe other good captcha

Holmes151

: Self hosting of recaptcha-like system to digitise my uploaded books From wikipedia reCAPTCHA is a system ... that uses CAPTCHA to help digitize the text of books while protecting websites

Cugini213

: Removing CAPTCHA is harmful for my forms? I have some services on my site that developed by PHP , it seems having CAPTCHA in my registration form is decreasing registering users , I tend to

Nimeshi995

: Is it good idea to put a captcha on credit card payment form Is it good idea to put a captcha on credit card payment form? I am thinking to put one on my asp.net mvc application's payment

Murray155

: Chinese CAPTCHAs I need to implement a CAPTCHA for a Chinese (Simplified) website. Does anyone know how CAPTCHAs are normally presented on Chinese sites? I have seen some which just display standard

Reiling115

: Which languages are supported by reCAPTCHA? The documentation states that "Any supported language code." is supported, but then says: Which language is used in the interface for the pre-defined

Moriarity557

: Why are captcha fields so prevelant across the internet? Seems to me that they are an easy way out and band aid solution to a problem that could be solved in other ways. I have never implemented

Si4351233

: How to tell whether spammers are bots or humans? How can you tell if the people that are spamming your forum or website are in fact bots or human spammers? Please note that the question is

Samaraweera270

: Strange spam posts not making sense Possible Duplicate: What kind of spam is this? I'm running a web site with a forum where one small part is open for posting from unregistered

Murray155

: Problematic using Captcha on billing page I have simple captcha on user page. I want make it refresh if user input incorrect captcha, I just wanna ask Should I do it or I just add a simple

Eichhorn148

: Has anybody earned [CO].25+ from each of a captcha (on your website) passing? I am a real dummy in web monetizing schemes. [ 1 ] informs that a captcha vendor: "charges a fee of about

Harper822

: Localized CAPTCHA What are effective CAPTCHA solutions that can have localized description, and CAPTCHA text itself is either language-neutral, or can be localized (for Polish language)? It is

Alves908

: Effective captcha solutions Possible Duplicate: How can I prevent spam on sites which I control? ReCaptcha is all the rage at the moment, Based on customer/user feedback, what other

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