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| 2 | daniel-mar | 1 | # Server requests using client challenges |
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| 3 | ### What is it? |
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| 4 | This PHP/JavaScript package can be used to add client challenges on top of your |
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| 5 | AJAX requests to protect your scripts against brute-force or DoS attacks. |
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| 6 | It can also protect your server against resource starvation attacks, for example, |
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| 7 | if you have a login script that uses a complex hash algorithm like BCrypt. |
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| 9 | ### Usage example |
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| 10 | A usage example is located in the directory example/ |
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| 11 | |||
| 12 | ### System requirements |
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| 13 | - PHP compatible web-server (tested with Apache 2, nginx, and Microsoft IIS) |
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| 14 | - PHP 7.0 or higher (also tested with PHP 8.0) |
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| 15 | - Independent of operating system (tested with Windows, Linux, and macOS X) |
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| 17 | ### Reporting a bug |
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| 18 | You can file a bug report here: |
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| 19 | - https://www.viathinksoft.com/thinkbug/thinkbug.php?id=119 |
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| 20 | - https://www.viathinksoft.com/contact/daniel-marschall |
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| 21 | - https://github.com/danielmarschall/php_clientchallenge/issues |
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| 23 | ### Support |
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| 24 | If you have any questions or need help, please contact us: |
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| 25 | https://www.viathinksoft.com/contact/daniel-marschall |