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Category Archives: Security

CAPTCHA Overview and alternatives

Monday, March 9, 2009

I recently evaluated CAPTCHA for a client requirement. Here is a brief overview (Source: blogs, wiki, white papers found on google search) CAPTCHA stands for: “Completely Automated Public Turing test to Tell Computers and Humans Apart”. It refers to a technology familiar to anyone who’s registered on a popular website – the “what word is [...]

Filed in Security, Web | Comments (0)

HSQLDB Integration Into Spring Security

Friday, May 2, 2008

Adding a database back end to Spring Security seems deceptively simple. And to be fair, there are several ways to do it. The way I had in mind looked like a shortcut. In my application there is basically one table for all users. It contains the values I need for username, password, role, and the [...]

Filed in Hsqldb, Java, Security, Spring, Xml | Comments (0)

Spring Security -> Replacing Acegi

Thursday, May 1, 2008

Astute readers of my last Acegi article will note that Acegi has been assimilated into the Spring project, and is now called Spring Security. This next example is how I was able to get Spring Security running on my webapp. I decided early on that I did not want to mess up the other developers [...]

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Acegi 1.0.8 Example (Life Without the SecurityEnforcementFilter)

Monday, April 28, 2008

Note; This was my first day of adding Acegi to an existing webapp. You can find a lot of Acegi security framework examples on the web these days. Unfortunately, nearly all of the examples use Acegi use the pre 1.0 version, which is before someone removed the SecurityEnforcementFilter.. The official description of this event follows: [...]

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Easy Acegi

Monday, February 19, 2007

Acegi-Security for Spring is a popular open source choice for implementing a robust security solution. It can be a daunting task to get up and running with it quickly. The recommended steps from the website say that you need to spend about a week learning it before you can use it. Well, in my position, [...]

Filed in Java, Security | Comments (0)