Use this script in your contact form, for you whois query tool or just there where some extra validation is needed. A session will be created inside a dynamic image file (requires GD library). The random value of this image appears inside the generated CAPTCHA image. The user has to enter this value into formfield. This value will be checked while processing the form. Without entering this value a form will not be processed.
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Most PHP developers who sell their scripts know this:
After a short time, your script gets cracked by someone and served for download on warez si ...
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Dieses Skript speichert seine erforderlichen Daten auf dem Server in einer Datei. Dadurch kommt man ohne eine Datenbank aus und muss trotzdem kein ...
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When developing web applications in PHP (or any other languages for that matter) there are several security aspects we should consider. In this ar ...
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Umfangreiches Umfrage Script mit sehr vielen Einstellungsmöglichkeiten. Benötigt mySQL Datenbank. Screenshots und komplette Featuresliste auf us ...
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This article is about stopping bad robots - specifically, spambots. A "spambot" is a program that visits a website, collects as many email address ...
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Diese Klasse implementiert eine sicheres Blockverschlüsselungsverfahren, dass im "Output feedback mode" arbeitet ohne die mcrypt-Bibliothek ausko ...
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php_pam is a shared library which provides PAM (Pluggable Authentication Modules) bindings for PHP. The package includes sample PHP code and a hel ...
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Mit phpunity.htmanager können Sie bequem über eine Benutzeroberfläche Verzeichnisse auf Ihrem Server oder innerhalb Ihrer Webpräsenz schützen ...