Thursday, July 14, 2011

Open Source Web application firewalls

Web application firewalls provide security at the application layer. Essentially, WAF provides all your web applications a secure solution which ensures the data and web applications are safe.



A web application firewall applies a set of rules to HTTP conversation to identify and restrict the attacks of cross site scripting, SQL injections etc. You can also get web application framework and web based commercial tools, for providing security to web applications. Web Application Firewalls allows you to customize the rules by identifying and blocking malicious content. Some of the most popular and widely used open source web application firewalls for web application security are –




  1. ModSecurity (Trustwave SpiderLabs)








  2. ModSecurity is one of the oldest and widely used open source web application firewall which can detect application level threats on internet, and provides security against a range of security issues to web applications. It provides non viral open sources license and it can be integrated to Apache programs. Recently, ModSecurity released the version 2.6.0 which provides features for safe browsing API integration, sensitive data tracking and data modification features.




  3. AQTRONIX WebKnight








  4. AQTRONIX WebKnight is an open source application firewall designed specifically for web servers and IIS, and it is licensed through the GNU – General Public License. It provides the features of buffer overflow, directory traversal, encoding and SQL injection to identify / restrict the attacks.





  5. ESAPI WAF








  6. ESAPI WAF is developed by Aspect Security and it is designed to provide protection at the application layer instead of network layer. It is a Java based WAF which provides complete security from online attacks. Some of the unique features of the solution include outbound filtering features which reduce information leakage. It is configuration driven and not code based, and it enables easy installation by just adding configuration details in the text file.




  7. WebCastellum








  8. WebCastellum is a Java based web application firewall which can protect application against cross site scripting, SQL injections, command injections, parameter manipulation, and it can be integrated easily to a java based application. It is based on new technology and it can use existing code to provide protection.




  9. Binarysec








  10. Binarysec is web application software firewall for Apache, and it protects applications against illegitimate HTTP and blocks suspicious requests as well. It provides protection against cross site scripting, commend injections, parameter tampering, buffer overflow, directory traversal, SQL injection and attack obstruction. It takes not more than 10 minutes to install the software, and its user interface can manage Apache servers and many sites on one machine.




  11. Guardian@JUMPERZ.NET








  12. Guardian@JUMPERZ.NET is an open source application layer firewall for HTTPS / HTTP and it assesses the HTTP / HTTPS traffic to protect the web application from external attacks. Guardian@JUMPERZ.NET immediately disconnects the TCP connection when the application comes in contact with a malicious / unauthorized request.




  13. OpenWAF








  14. Art of defense is a San Francisco based web application security provider which started a project on open source OpenWAF in February 2011. It’s also the first company to provide distributed web application firewall for Apache servers.




  15. Ironbee








  16. Qualys created cloud based open source web application firewall - Ironbee which examines the HTTP instead of the traditional IP packets to evaluate a data. It can even track attacks on cross site scripting code. Ironbee is published through Apache License version 2 and it provides no copyright assignment. It has modular structure and is quite easy to use.




  17. Profense








  18. ZION security offers an open source web application firewall similar to ModSecurity, and is called Profense. The web application firewall provided by Zion is essentially a Layer-7 firewall (which is also called “proxy firewall”) and it inspects the traffic to block content.




  19. Smoothwall








  20. Smoothwall provides strong web security tools to manage emails. The open source web filtering engine of Smoothwall is called DansGuardian. It has flexible user rules and a fully integrated component for web filtering and security. What’s more, it provides authenticated network access and traffic blocking. Smoothwall free firewall has security hardened Linux GNU OS too.

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Open source Tools for Live Meeting(Web Conferencing)

posts. Guys the most of you find these posts a valuable resource for the e-Learning community. As a result, the following post is Free and Open Source Web Conferencing (Online Meetings, Webinars) Tools for e-Learning.




The following list contains free and open source Web Conferencing tools that are n't in particular order.



Also, you should be sure that the e-Learning community will highly appreciate:

  1. if you post a comment with your experience with these tools and/or,

  2. if you post a comment with a link to any other free and open source Web Conferencing tool.

We support Free eLearning! Do you?



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BigBluebutton* is built for Higher Education. It enables universities and colleges to deliver a high-quality learning experience to remote students. BigBlueButton is an active open source project that focuses on usability, modularity, and clean design -- both for the user and the developer. The project is hosted at Google Code. BigBlueButton is built by combining over fourteen open source components.



*note: Epignosis has created a module that provides integration of BigBlueButton conferencing in eFront Open Source Learning Management System. BigBlueButton is a free web-conferencing tool with text chat, audio and video capabilites, a virtual whiteboard and many more presentation and conferencing features.




OpenMeetings is a free browser-based software that allows you to set up instantly a conference in the Web. You can use your microphone or webcam, share documents on a white board, share your screen or record meetings. It is available as hosted service or you download and install a package on your server with no limitations in usage or users.



OpenMeetings Key Features Mini Demo





Mikogo is a free desktop sharing tool full of features to assist you in conducting the perfect online meeting or web conference. Take advantage of the opportunity to share any screen content or application over the Internet in true color quality with up to 10 participants simultaneously, while still sitting at your desk.












Yugma free web conferencing allows anyone, anywhere to instantly share their desktop and ideas online with others. To start hosting your own meetings you have to sign up for FREE. Your Yugma Free web conferencing account allows you to invite up to 20 attendees







Using WebHuddle, you have options and flexibility. Meetings can be conducted either in conjunction with an enterprise’s existing teleconferencing service, or utilizing WebHuddle’s optional voice over IP. WebHuddle also offers recording capabilities -- presentations can easily be recorded for playback over any web browser for those who missed the live meeting.










With Vyew you can give a presentation to a hundred people online or post a document you've been working on for review by your colleagues at the convenience. Vyew is extremely flexible alloying you to bring online collaboration and conferencing into your workflow on your terms.









Dimdim delivers synchronized live presentations, whiteboards and web pages while sharing your voice and video over the Internet - with no download. With the Free edition you can get 10 person meetings, 1 way video, standard support, Dimdim branded rooms, and public meetings.



*note: Epignosis has created a module that provides integration of Dimdim conferencing in eFront  Open Source Learning Management System.




Adobe® ConnectNow is a great way to share ideas, discuss details, and complete work with others all online. Reduce travel costs, save time, and increase productivity with a web conferencing solution that's easy to access and simple to use. ConnectNow operates inside a web browser. There's no installation required, so getting started is easy and Free