# Sign In robot protection

**URL:** <https://www.ruby-forum.com/t/sign-in-robot-protection/132641>\
**Category:** Rails\
**Created:** [March 22, 2008, 11:17am UTC](https://www.ruby-forum.com/t/sign-in-robot-protection/132641 "2008-03-22T11:17:48Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![FunFun](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/f/e5b9ba/32.png) [@FunFun](https://www.ruby-forum.com/u/FunFun)\
**Post date:** [March 22, 2008, 11:17am UTC](https://www.ruby-forum.com/t/sign-in-robot-protection/132641/1 "2008-03-22T11:17:48Z")

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Sign In robot protection mean when you must write letter from image  
I am looking for a articles about this subject. Need assistance.

I’m sorry for my english

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**Author:** ![FunFun](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/f/e5b9ba/32.png) [@FunFun](https://www.ruby-forum.com/u/FunFun)\
**Post date:** [March 22, 2008, 12:39pm UTC](https://www.ruby-forum.com/t/sign-in-robot-protection/132641/2 "2008-03-22T12:39:33Z")

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Hi,

FunFun wrote:

> Sign In robot protection mean when you must  
> write letter from image I am looking for a  
> articles about this subject. Need assistance.

Google ‘captchas’ for lots of info.

HTH,  
Bill

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**Author:** ![FunFun](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/f/e5b9ba/32.png) [@FunFun](https://www.ruby-forum.com/u/FunFun)\
**Post date:** [March 22, 2008, 2:45pm UTC](https://www.ruby-forum.com/t/sign-in-robot-protection/132641/3 "2008-03-22T14:45:24Z")

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Bill W. wrote:

> HTH,  
> Bill

thanks, i really not imaging that this method was called.