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| | | |-+  [TUT] Change of the CAPTCHA-Design
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Author Topic: [TUT] Change of the CAPTCHA-Design  (Read 50100 times)
mawenzi
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« on: March 31, 2008, 11:17:10 PM »

- zunächst einmal nur in deutsch ...
- a englisch version is coming soon ... or later ...  Wink ... meanwhile use this  English-Google-Translation ...
     - but don't use the php-/html-code from this translation, use the php-/html-code from the original topic ...

Vorbemerkung :

Gibt es eigentlich ein Captcha, wo man wirklich auch mit 50 Jahren Rolling Eyes noch erkennen kann, was man eingeben soll?

... gibt es ...  Mr. Green
... mir gefallen die 4images Standard Captcha-Bilder auch nicht ... und ich finde sie auch höchst unleserlich ...
... und somit sind sie User-unfreundlich und schrecken User vor Kommentaren u.d.gl. ab ...
... denn auch mir ist es in diversen Galerien passiert, dass ich den Code wiederholt eingeben musste ...
... zumal sich viele Fehler bei der Groß- und Kleinschreibung einschleichen ...
... bei Captcha Einführung ab Version 1.7.3 hatte ich (erfolglos) ein anderes, dezenteres Design angeregt ...
... aber man kann ja nun jede Menge konfigurieren ...
... und so habe ich hier mal eine, so denke ich zumindest, User-freundliche Captcha Variante für euch zusammengestellt ...
... die etwas kleiner ist, nur Zahlen und keine überbunten Hintergründe verwendet und den Code nicht total verfremdet ...
... also dann versucht mal meine Variante ( ich denke auch Senioren geeignet ...  Mr. Green ) ...



Die neue CAPTCHA Konfiguration :

... finde in config.php ...
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define("4IMAGES_ACTIVE", 1);

... und füge danach folgende Codezeilen ein ...
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//--- Start Settings for CAPTCHA --- http://www.4homepages.de/forum/index.php?topic=21028.0 ---
//--- config by mawenzi 31.03.2008 ---
$captcha_enable = 1;  // or 0 disables it.
$captcha_enable_comments = 1; // or 0 disables it.
$captcha_enable_upload = 1;  // or 0 disables it.
$captcha_enable_registration = 1; // or 0 disables it.
$captcha_enable_postcards = 1; // or 0 disables it.
$captcha_path = './captcha';  // Path to the folder which contains the CAPTCHA files (backgrounds, fonts).
//$captcha_chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";  // default
//$captcha_chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"; // also possible
$captcha_chars = "123456789";
$captcha_length = 5; // Number of letters of the CAPTCHA strings. Default value is 5.
$captcha_wordfile = 0;  // If this option is set to 1, a word from "captcha/words.txt" is used. Default value is 0.
$captcha_width = 135;  // Width of the CAPTCHA image in pixel. Default value is 200.
$captcha_height = 35;  // Height of the CAPTCHA image in pixel. Default value is 70.
$captcha_text_color = "#000000";  // Color (Hex) of the CAPTCHA text. Default value is "#000000" (black).
$captcha_text_size = 12; // Size of the CAPTCHA text. Default value is 25.
$captcha_text_transparency = 75; // Transparency of the CAPTCHA text. Default value is 60.
$captcha_filter_text = 0;  // If this option is set to 1, the CAPTCHA fonts will be filtered ("obscured"). Default value is 1.
$captcha_filter_bg = 1;  // If this option is set to 1, the CAPTCHA background image will be filtered ("obscured"). Default value is 1.
//--- End Settings for CAPTCHA ---

... mehr Infos zum CAPTCHA ( "Completely Automated Public Turing test to tell Computers and Humans Apart") findet ihr auch hier ...
... http://www.4homepages.de/forum/index.php?topic=14690.0 ...



Das original CAPTCHA Design :

... die original / default Captcha-Bilder sehen etwa so aus ...




Das neue CAPTCHA Design :

... die neuen Captcha-Bilder sehen dann etwa so aus ...

... ich denke dezenter, gut lesbar, besser in diverse Templates passend und trotzdem eine Hürde für Robots und Spamer ...
... darüber hinaus könnt ihr ja natürlich noch weiter konfigurieren ... der Code dürfte ja nun selbsterklärend sein ...



Die neuen CAPTCHA Hintergrundbilder / Fonts :

... zu verwenden sind dann noch die folgenden Hintergrundbilder aus dem Anhang ...
... die Bilder sind zu kopieren nach /captcha/backgrounds ... ( ... die alten Bilder aus dem Ordnen sichern und entfernen ... )
... als Font verwende ich nur /captcha/fonts/verdanab.ttf ... ( d.h. ... die anderen Fonts sichern und entfernen ... )

* 1.png (14.41 KB - downloaded 1470 times.)
* 2.png (13.59 KB - downloaded 1406 times.)
* 3.png (13.61 KB - downloaded 1417 times.)
« Last Edit: April 02, 2008, 03:26:38 PM by mawenzi » Logged

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« Reply #1 on: April 01, 2008, 07:42:52 PM »

Danke, hatte es ja schon im ersten Posting gesagt, klappt jetzt auch für uns Senioren  Laughing
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« Reply #2 on: April 01, 2008, 07:44:25 PM »

Jo, Seniorenfreundlich, brauche meine Brille nicht mehr so oft putzen Shocked

Danke sehr dafür

Dieter
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« Reply #3 on: April 01, 2008, 07:48:47 PM »

... seniorenfreundlich ... ich will garnicht erst fragen ab wann das gelten soll ...  Mr. Green
... habe mich oben ja auch schon geoutet ...
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« Reply #4 on: April 01, 2008, 07:51:26 PM »

ich will garnicht erst fragen ab wann das gelten soll ...  Mr. Green


hau mal dein Alter ins Profil, dann werden wir Dir das schon sagen  Laughing
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« Reply #5 on: April 01, 2008, 09:36:58 PM »

Thanks mawenzi! Smile
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« Reply #6 on: May 04, 2008, 09:25:38 PM »

Thanks mawenzi, nice change in design  Exclamation
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Rembrandt
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« Reply #7 on: May 05, 2008, 07:19:15 AM »

Hi!
Quote  [Expand]
... denn auch mir ist es in diversen Galerien passiert, dass ich den Code wiederholt eingeben musste ...
... zumal sich viele Fehler bei der Groß- und Kleinschreibung einschleichen ...
ich selber habe auch schon foren verlassen weil es mir unmöglich war deren suche system zu benutzen, jedesmal kam die meldung "sie müssen erst den KOT eingeben" Evil or Very Mad

mfg Andi

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mawenzi
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« Reply #8 on: May 06, 2008, 02:54:26 PM »

@om6acw
... it is precisely for your new web design ... Wink

@Rembrandt
...  Mr. Green ...
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« Reply #9 on: May 16, 2008, 03:20:28 PM »

Thanks Mawenzi,
but now I have problem, from that time when I make this changes spammers are back in my guestbook, so where is the problem???
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« Reply #10 on: May 16, 2008, 03:33:10 PM »

... if they are human spammers ... so they can read all captcha codes, old and new ...  Evil or Very Mad
... and if they are robot spammers ... so I have no clue ... only try it with the old captcha ...  Confused
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« Reply #11 on: May 16, 2008, 03:50:20 PM »

... if they are human spammers ... so they can read all captcha codes, old and new ...  Evil or Very Mad
... and if they are robot spammers ... so I have no clue ... only try it with the old captcha ...  Confused

yes, thats exactly what I was thinking , Im going to try put back old captcha for little bit and we will see. But I have to wait because once again I cant get to my website because my ISP have bad routing......
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« Reply #12 on: September 25, 2008, 10:58:23 AM »

hi mawenzi,

nice to have, thank you for samples Smile
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cheers
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« Reply #13 on: December 26, 2008, 04:10:34 PM »

Besten Dank, klappt Prima!

lg Cocker
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« Reply #14 on: February 05, 2009, 11:07:44 PM »

It liked it.
Thank you.  Very Happy Very Happy Very Happy
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