Some blog sites and others (ticketmaster, for example) require you to read a graphical representation of a word or number to prevent a form from being submitted programmatically. I''d like to do something similar on a new site I''m building. Two quick questions: 1. Is there a standard term for these graphical representations? i.e. how would I do a google search for this topic? 2. Anyone know of any existing Rails plugin that could do this for me, before I try to write my own? Thanks! Jeff softiesonrails.com -- Posted via http://www.ruby-forum.com/.
Hello Jeff,> Some blog sites and others (ticketmaster, for example) require you to > read a graphical representation of a word or number to prevent a form > from being submitted programmatically. > > I''d like to do something similar on a new site I''m building.Be aware that it will reduce accessibility to your site. Blind visitors will not be able to authenticate for instance.> Two quick questions: > > 1. Is there a standard term for these graphical representations? i.e. > how would I do a google search for this topic?capcha.> 2. Anyone know of any existing Rails plugin that could do this for me, > before I try to write my own?I don''t know. Check http://wiki.rubyonrails.com/rails/pages/Plugins -- Jean-Fran?ois. -- ? la renverse.
On 28 Apr 2006, at 16:47, Jeff Cohen wrote:> Some blog sites and others (ticketmaster, for example) require you to > read a graphical representation of a word or number to prevent a form > from being submitted programmatically. > > I''d like to do something similar on a new site I''m building. > > Two quick questions: > > 1. Is there a standard term for these graphical representations? i.e. > how would I do a google search for this topic? >captcha http://en.wikipedia.org/wiki/Captcha> 2. Anyone know of any existing Rails plugin that could do this for me, > before I try to write my own?http://wiki.rubyonrails.com/rails/pages/HowtoSecureFormsWithNoisyImages
Stephen Bartholomew
2006-Apr-28 15:20 UTC
[Rails] How to display numbers or word graphically?
How about this for an alternative? Instead of generating a random string of letters in an image, you have a set of really obvious questions a table - things like ''What colour is the sky?'', ''Are trees green - yes or no?''. There could either be a small list of answers or a text field to fill in. They''d have to be answers that anyone could get but it would stop Bots getting through. It''d also not cause problems for users with voice browsers. Of course the usability of such a device could be questioned, but surely it''s no worse that having a random set of blurry letters. A short, clear explaination would clear up any confusion. Thoughts? Steve Jean-Fran?ois wrote:> Hello Jeff, > >> Some blog sites and others (ticketmaster, for example) require you to >> read a graphical representation of a word or number to prevent a form >> from being submitted programmatically. >> >> I''d like to do something similar on a new site I''m building. > > Be aware that it will reduce accessibility to your site. Blind visitors > will not be able to authenticate for instance. > >> Two quick questions: >> >> 1. Is there a standard term for these graphical representations? i.e. >> how would I do a google search for this topic? > > capcha. > >> 2. Anyone know of any existing Rails plugin that could do this for me, >> before I try to write my own? > > I don''t know. Check http://wiki.rubyonrails.com/rails/pages/Plugins > > -- Jean-Fran?ois. > > -- > ? la renverse. > > > ------------------------------------------------------------------------ > > _______________________________________________ > Rails mailing list > Rails@lists.rubyonrails.org > http://lists.rubyonrails.org/mailman/listinfo/rails
Rodrigo Dominguez
2006-Apr-28 15:28 UTC
[Rails] How to display numbers or word graphically?
Check this page: http://wiki.rubyonrails.com/rails/pages/HowtoSecureFormsWithNoisyImages I secured my forms in this ways, very easy and very nice ----------------------------------------------------------------------- Rodrigo Dominguez Contra la contaminaci?n de las papeleras. Por el r?o Uruguay. El 30 de Abril en Gualeguaych?. Yo Voy. Iplan Networks Datos Personales rdominguez@iplan.com.ar rorra@rorra.com.ar www.iplan.com.ar www.rorra.com.ar 5031-6303 15-5695-6027 -----Mensaje original----- De: rails-bounces@lists.rubyonrails.org [mailto:rails-bounces@lists.rubyonrails.org] En nombre de Stephen Bartholomew Enviado el: Viernes, 28 de Abril de 2006 12:20 p.m. Para: rails@lists.rubyonrails.org Asunto: Re: [Rails] How to display numbers or word graphically? How about this for an alternative? Instead of generating a random string of letters in an image, you have a set of really obvious questions a table - things like ''What colour is the sky?'', ''Are trees green - yes or no?''. There could either be a small list of answers or a text field to fill in. They''d have to be answers that anyone could get but it would stop Bots getting through. It''d also not cause problems for users with voice browsers. Of course the usability of such a device could be questioned, but surely it''s no worse that having a random set of blurry letters. A short, clear explaination would clear up any confusion. Thoughts? Steve Jean-Fran?ois wrote:> Hello Jeff, > >> Some blog sites and others (ticketmaster, for example) require you to >> read a graphical representation of a word or number to prevent a form >> from being submitted programmatically. >> >> I''d like to do something similar on a new site I''m building. > > Be aware that it will reduce accessibility to your site. Blindvisitors> will not be able to authenticate for instance. > >> Two quick questions: >> >> 1. Is there a standard term for these graphical representations? i.e. >> how would I do a google search for this topic? > > capcha. > >> 2. Anyone know of any existing Rails plugin that could do this forme,>> before I try to write my own? > > I don''t know. Check http://wiki.rubyonrails.com/rails/pages/Plugins > > -- Jean-Fran?ois. > > -- > ? la renverse. > > >------------------------------------------------------------------------> > _______________________________________________ > Rails mailing list > Rails@lists.rubyonrails.org > http://lists.rubyonrails.org/mailman/listinfo/rails_______________________________________________ Rails mailing list Rails@lists.rubyonrails.org http://lists.rubyonrails.org/mailman/listinfo/rails
Another way I have seen it done is with a simple math problem, like 9 + 2 [ ], and you have to enter 11. On 4/28/06, Stephen Bartholomew <sb@2404.co.uk> wrote:> > How about this for an alternative? Instead of generating a random > string of letters in an image, you have a set of really obvious > questions a table - things like ''What colour is the sky?'', ''Are trees > green - yes or no?''. There could either be a small list of answers or a > text field to fill in. > > They''d have to be answers that anyone could get but it would stop Bots > getting through. It''d also not cause problems for users with voice > browsers. > > Of course the usability of such a device could be questioned, but surely > it''s no worse that having a random set of blurry letters. A short, > clear explaination would clear up any confusion. > > Thoughts? > > Steve > > > Jean-Fran?ois wrote: > > Hello Jeff, > > > >> Some blog sites and others (ticketmaster, for example) require you to > >> read a graphical representation of a word or number to prevent a form > >> from being submitted programmatically. > >> > >> I''d like to do something similar on a new site I''m building. > > > > Be aware that it will reduce accessibility to your site. Blind visitors > > will not be able to authenticate for instance. > > > >> Two quick questions: > >> > >> 1. Is there a standard term for these graphical representations? i.e. > >> how would I do a google search for this topic? > > > > capcha. > > > >> 2. Anyone know of any existing Rails plugin that could do this for me, > >> before I try to write my own? > > > > I don''t know. Check http://wiki.rubyonrails.com/rails/pages/Plugins > > > > -- Jean-Fran?ois. > > > > -- > > ? la renverse. > > > > > > ------------------------------------------------------------------------ > > > > _______________________________________________ > > Rails mailing list > > Rails@lists.rubyonrails.org > > http://lists.rubyonrails.org/mailman/listinfo/rails > _______________________________________________ > Rails mailing list > Rails@lists.rubyonrails.org > http://lists.rubyonrails.org/mailman/listinfo/rails >-------------- next part -------------- An HTML attachment was scrubbed... URL: http://wrath.rubyonrails.org/pipermail/rails/attachments/20060428/ef18b135/attachment-0001.html
Stephen Bartholomew wrote:> How about this for an alternative? Instead of generating a random > string of letters in an image, you have a set of really obvious > questions a table - things like ''What colour is the sky?'', ''Are trees > green - yes or no?''. There could either be a small list of answers or a > text field to fill in. > > They''d have to be answers that anyone could get but it would stop Bots > getting through. It''d also not cause problems for users with voice > browsers. > > Of course the usability of such a device could be questioned, but surely > it''s no worse that having a random set of blurry letters. A short, > clear explaination would clear up any confusion. > > Thoughts? > > SteveThat''s interesting, Steve. I feel that the blurred graphics represent a kind of arms race. Seems that every few months I see blurrier and blurrier numbers as they try to keep ahead of the bot technology, but meanwhile we make it harder on the rest of us. I really would like to figure out an alternative to the captchas, and you''ve given me some food for thought here. Jeff -- Posted via http://www.ruby-forum.com/.
Ben Sinclair
2006-Apr-28 15:46 UTC
[Rails] Re: How to display numbers or word graphically?
You can always go with this: http://arstechnica.com/news.ars/post/20060407-6554.html Jeff Cohen wrote:> > That''s interesting, Steve. I feel that the blurred graphics represent a > kind of arms race. Seems that every few months I see blurrier and > blurrier numbers as they try to keep ahead of the bot technology, but > meanwhile we make it harder on the rest of us. > > I really would like to figure out an alternative to the captchas, and > you''ve given me some food for thought here. > > Jeff-- Posted via http://www.ruby-forum.com/.
Stephen Bartholomew
2006-Apr-28 15:48 UTC
[Rails] Re: How to display numbers or word graphically?
That''s great but it doesn''t solve the problem of voice browsers :0) Of course, you could include alt tags, but that would kinda defeat the object :0) Steve Ben Sinclair wrote:> You can always go with this: > http://arstechnica.com/news.ars/post/20060407-6554.html > > Jeff Cohen wrote: > >>That''s interesting, Steve. I feel that the blurred graphics represent a >>kind of arms race. Seems that every few months I see blurrier and >>blurrier numbers as they try to keep ahead of the bot technology, but >>meanwhile we make it harder on the rest of us. >> >>I really would like to figure out an alternative to the captchas, and >>you''ve given me some food for thought here. >> >>Jeff > > >
Stephen Bartholomew
2006-Apr-28 15:55 UTC
[Rails] Re: How to display numbers or word graphically?
Yeah - it''s got me to thinking too :0) I see it working by having at least 10 questions, randomly selected. That''s going to make it hard for a Bot to work out. Even if lots of sites were using this technique, the questions and even the wording would be at least slightly different. It''s also far easier to explain than a blurry image. Steve Jeff Cohen wrote:> Stephen Bartholomew wrote: > >>How about this for an alternative? Instead of generating a random >>string of letters in an image, you have a set of really obvious >>questions a table - things like ''What colour is the sky?'', ''Are trees >>green - yes or no?''. There could either be a small list of answers or a >>text field to fill in. >> >>They''d have to be answers that anyone could get but it would stop Bots >>getting through. It''d also not cause problems for users with voice >>browsers. >> >>Of course the usability of such a device could be questioned, but surely >>it''s no worse that having a random set of blurry letters. A short, >>clear explaination would clear up any confusion. >> >>Thoughts? >> >>Steve > > > That''s interesting, Steve. I feel that the blurred graphics represent a > kind of arms race. Seems that every few months I see blurrier and > blurrier numbers as they try to keep ahead of the bot technology, but > meanwhile we make it harder on the rest of us. > > I really would like to figure out an alternative to the captchas, and > you''ve given me some food for thought here. > > Jeff >