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victor
S.F. Boss
Joined: 07 Mar 2004
Posts: 2581
Location: Staff
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 Posted: Tue Jun 12, 2007 11:08 am Post subject: quick fix - anti spambot phpBB |
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Cred ca toata lumea stie ce vulnerabile sunt forumurile la atacurile spam bot-ilor actuali care creeaza conturi la comanda. In phpBB se poate activa si optiunea imaginii de verificare, dar in ultimul timp robotii stiu sa "citeasca" aceste imagini.
In cautarea unui mod de a-i mai opri, am facut o mica modificare la culori si, surpriza..de catva timp putem respira mai linistiti.
In principiu, ar trebuie sa instalati un mod pt a face imaginea cat mai greu de citit, dar necesita timp, teste, etc... Dar, modificand culorile putem face contrastul imaginii originale generate de phpBB sa fie greu de citit pt un bot. E foarte simplu:
1. /includes/usercp_confirm.php se inlocuieste in linia 167
| Code: | | $new_line .= chr(mt_rand(0, 205)); |
cu
| Code: | | $new_line .= chr(mt_rand(200, 255)); |
Astlfel textul va apare cu gri deschis (in loc de negru cum era inainte) pe fond gri.
Foarte eficace pana acum acest quick fix..
_________________
Victor Voinea
ALLservice HQ, Romania. |
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