Most Popular Scripts | PHP | Scripts & Programs | Security Systems

Securimage is an open-source free PHP CAPTCHA script for generating complex images and CAPTCHA codes to protect forms from spam and abuse. It can be easily added into existing forms on your website to provide protection from spam bots. It can run on most any webserver as long as you have PHP installed, and GD support within PHP. Securimage does everything from generating the CAPTCHA images to validating the typed code. Audible codes can be streamed to the browser with Flash for the vision impaired.

Sitelok can password protect and control access to html or PHP pages within your website. You can separate your site into members only areas and each user can be a member of multiple areas. New users can be added to Sitelok either manually via the Sitelok admin panel, via user registration forms,from a PHP script using the Sitelok API or via free payment plugins for Paypal, Stripe or 2CO. A users membership of an area can be set to expire after a fixed number of days or can be left open. Once setup making a page secure is simply a matter of adding a snippet to the top of the page. The Sitelok control panel provides an easy to use and powerful way to manage users and provides access to a log that stores each users access. You can also send template based email to one or more members (with multiple conditions) making Sitelok a powerful way to keep in touch. Everything the user sees is 100% customizable. We have a wide range of free and paid for add ons for the new plugin system too.

phpMussel is a PHP solution based upon the signatures of ClamAV and others, designed to detect trojans, viruses, malware and other threats within files uploaded to your system wherever the script is hooked. When files are uploaded to your system via webform or similar that has phpMussel hooked, phpMussel will attempt to match the content of those files against a range of known viruses, malware and other common threats (signatures stored in CVD files). If no match is found, processing continues as per normal, but when a match is found, that upload will be terminated as per specified in the phpMussel configuration file. Detailed README file and relevant documentation included within the package.

Authentication, Membership Management script. One Click Web Password Protection. Member area in minutes. No programming skills, self-installing. Completed Simple and Pro Membership Management software solutions - Free or(and) Paid Membership, PayPal IPN, Authorize.net integration (under development), Unlimited number of Protected Areas, Login-redirection to personal folders. Free of charge setup and support. Web based Admin Control Panel with all conceivable operations and user area (adaptive forms and modules) support manual and online Membership management. Set it up and launch at once your membership site. One click on the folder - directory will be protected and Membership site created. Your web site is ready to register and authenticate users. Today you ordered product, tomorrow it brings money. New marketing strategy.

SOLMETRA FormValidator is a PHP class used to validate web forms against automated submissions. The process involves generating and displaying a distorted image of secret phrase which is readable to humans but completely incomprehendable to machines - even to OCR programs. This protection mechanism is known as CAPTCHA (completely automated public Turing test to tell computers and humans apart).

DRBImageVerification is a simple anti-spam image verification, or "CAPTCHA", script. It allows you to add a challenge-response test to your existing PHP powered forms to prevent automated spam postings. The verification string length and character list are configurable. The script requires a session cookie for additional obscurity. It includes an example PHP page demonstrating how to add a verification image to an existing form.

Image Validator is a GPL CAPTCHA php script to stop spam on any form: comment areas, sign-ups, shopping carts - any area of your website where you fear the evil spammers may target.

Password protect your content with Web Page Password Protect by just adding one line of PHP code to your page source. Script will present user with password entry form, and will not let visitor see your private content without providing correct password. Usage: * Update password_protect.php with your desired password * Add one line of PHP code to every page you would like to be password protected Note: visitor will not have to re-login to each protected page if one has cookies enabled.

This login script encrypts the password and submits it in a unique hash on each login. Don't let your passwords travel across the net unprotected. Commented php and shouldn't be too hard to write into your existing scripts. Included files are: md5.js (md5-encryption for clientside); doResponse.js (clientside form treatment); index.php (loginscreen); page.php (example page); config.inc (configuration script); authentication.inc (user treatment); users.txt (user list). Files available for download upon login - user/pass provided on site. New version 1.1 with extended user treatment.

ppSD2 is PHP/MySQL-based membership software that is installed directly on your website (click here for requirements) and runs online from any web browser, making it accessible from anywhere with an internet connection. The program allows you to establish member types, secure and deliver content, sell memberships with recurring dues, and manage memberships, all for as low as $13/month with no contracts and no hidden fees. Beyond the standard feature-set, the program employs a number of tools to maintain a flexible and highly customizable framework, including brandable templates, custom hooks, and preset integration with 3rd party modules like Wordpress, Drupal, and phpBB. This allows ppSD2 to adapt to your specific requirements without forcing you to alter your business's existing framework.

Avoid spam messages sent through your online forms. By inserting a captcha image into your forms you can be sure that only real people (not automatic programs) will be able to submit the form. This captcha is packed as Dreamweaver extension, you can insert it easily with a single click without any hand coding. You can configure the look and feel to make it match exactly with your site design. The validation code is inserted automatically into your protected pages.

Simple Browser Proxy was derived from a wish for an easy to use proxy that didn't require any installation or odd programs to be running. Thus, SBP isn't meant to be used by someone who wants/requires total anoniminity.

After securing your website payments, DLGuard then gives your customers a unique expiring download link. This link can be time limited as well as download attempt limited. Customer details are added to a MySQL database, their download activity tracked, their contact details added to your mailing list provider. Easily create a membership area to offer your customer upgrades. The built in shopping cart makes selling downloadable product securely a matter of a few clicks. Download statistics show download activity, page hits and sales conversion rates in easy to read 3D graphs. DLGuard's flexibility means you can integrate it easily with your own custom scripts via DLGuard's own IPN system, as well as database query system. Easy enough for techno-phobes to use, DLGuard also offers the power needed for veterans. DLGuard will secure Paypal, Clickbank, 2Checkout, WorldPay, AletPay, PayDotCom, E-Gold, Ebay digital delivery, and track free product downloads. Easy to install!

This is simple, complete and powerfull captcha tool written in PHP for protecting your web FORMS from spammers. "Captcha ZDR" offers several methods of captcha protection, string protection, calculation protection (sum and deduction), noise in image, string symbols are hard for reading from spamer machines. 8 unique backgrounds for captcha image.

Verifies that a given string is a good password. If it is a good password, the function returns an empty string. If it isn't, it returns a text string describing the flaws. The function is relatively permissive, but was written to take additional constraints.

spamIP is a PHP script that blocks out spambots from any type of website that supports PHP. It uses the data collected by Stopforumspam.com and the GeoIP data from MaxMind.com. The script has two modules. Stopforumspam module: With this module you can block out spambots/visitors that has been reported as spammers from your website. If the visitor's IP adresse is reported as a spammer in the Stopforumspam.com database, it executes a die; command. GeoIP module: With this module you can block out whole countries from visiting/spamming your website. You can select which countries you want to block out in the configuration file. If the visitor's IP adresse is from a country that you want to block, it executes a die; command. Both modules are designed to automatically download data from Stopforumspam.com and MaxMind.com by setting up a cronjob.

The DSLogin is very safe login system with email activation. Features include: Admin page with: list users, add user(data, activate, rank), edit user. In the site is a Statistics system(Counter, Membership, Online guests, Online members). 2 rank: Member, Administrator. Admin can give rank to members. Requires: PHP + MySQL. Easy installation with install.php. The size is only 22 kb (zip)

CIDRAM (Classless Inter-Domain Routing Access Manager) is a PHP script designed to protect websites by blocking requests originating from IP addresses regarded as being sources of undesirable traffic, including (but not limited to) traffic from non-human access endpoints, cloud services, spambots, scrapers, etc. It does this by calculating the possible CIDRs of the IP addresses supplied from inbound requests and then attempting to match these possible CIDRs against its signature files (these signature files contain lists of CIDRs of IP addresses regarded as being sources of undesirable traffic); If matches are found, the requests are blocked.

This script generates images (known as "Captcha's") which contain security codes used for protecting a form from spam bots. By encoding a 'password' inside an image and asking the user to re-enter what they see you can verify the user is a human and not automated software submitting your form.

Advanced Textual Confirmation is an universal antispam for forums, blogs, contact forms, and others. It is a smart textual CAPTCHA, which challenges site visitors only once, and then disappears. To install, no database required, no graphical libraries required, just insert one line into your script.