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A comment on Ask HN: How to prevent abuse of free service costing money to website?.

Re:Ask HN: How to prevent abuse of free service costing mone... by n-gauge on Friday October 05, 2018 @02:17PM (#18150397)
Have the text checked by a dictionary and if < 50% (or whatever is needed) fails then don't send the text.
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Re:Ask HN: How to prevent abuse of free service costing mone... by rakjosh on Friday October 05, 2018 @02:25PM (#18150473)
I don't think I'll be able to do dictionary checks because people from different country use this, in their own languages. I get around 5-6K people every day from all around the globe.

It would be ideal, but very hard to implement for all different languages I think, unless I'm missing something.

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Re:Ask HN: How to prevent abuse of free service costing mone... by jklein11 on Friday October 05, 2018 @04:36PM (#18151516)
The attacker could just pull the text from a dictionary and bypass this check. Also as another commenter noted there could be legitimate traffic that is in another language.
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