First Line of Defense for Web Applications – Conclusion

Posted on January 1, 1970 - Filed Under Input Filtering | Leave a Comment

Understanding the right validation approach and techniques for user input filtering are the keys to a secure web application. It’sa bad world outside so- Validate! Validate and validate all user controlled input prior to consuming it. …
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Torrent Injection

Posted on January 1, 1970 - Filed Under Input Filtering | Leave a Comment

Now let’s think about input filtering. Normally, there are more or less effective input filters in place for bigger web applications but when you have to deal with the content of uploaded files, you should perhaps also check the content …
The rest is here: Torrent Injection

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Gate driver ICs integrate bootstrap functionality, advanced input …

Posted on January 1, 1970 - Filed Under Input Filtering | Leave a Comment

International Rectifier\’s IRS2336xD three-phase 600-V gate driver ICs integrate bootstrap functionality, negative Vs immunity circuitry and advanced input filtering.
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This is a blog post to explain exactly what exactly parameterized …

Posted on January 1, 1970 - Filed Under Input Filtering | Leave a Comment

An example of this is to test key input filtering under different UI cultures. This is a very contrived example, and the tests are in no way realistic, but it …
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Developer Tutorials Blog: And the winner of the most important …

Posted on January 1, 1970 - Filed Under Input Filtering | Leave a Comment

When it comes to PHP security, you often think of input filtering, SQL injection prevention, XSS in user submitted content and so on. Well, forget about that. They\’re all pretty trivial compared …
More here: Developer Tutorials Blog: And the winner of the most important …

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A Web Application Hacker’s Toolkit

Posted on January 1, 1970 - Filed Under filtering input | Leave a Comment

“WebGoat is a deliberately insecure J2EE web application maintained by OWASP designed to teach web application security lessons. In each lesson, users must demonstrate their understanding of a security issue by exploiting a real …
See the original post here: A Web Application Hacker’s Toolkit

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Cool Technology of the Week

Posted on January 1, 1970 - Filed Under filtering input | Leave a Comment

A SQL Injection attack occurs when a database-backed web application does not filter inappropriate user input and executes that input against the database. For example, suppose a phone directory application asks for last name as part of …
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Using OVD Filtered Directories for LDAP Authentication

Posted on January 1, 1970 - Filed Under filtering input | Leave a Comment

Of course, the acknowledged security \”exposure\” in this case is that a user can bypass the application and directly bind via OVD if they know their DN. However this is probably a false risk, because the user would have always had a …
Here is the original: Using OVD Filtered Directories for LDAP Authentication

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Tuckey Url Rewrite Filter and filters

Posted on January 1, 1970 - Filed Under filtering input | Leave a Comment

So only if Url Rewrite Filter does not rewrite a request the rest of the filters in the web application are invoked. This behaviour makes only sense if you do a redirect or something like that to another url that Url Rewrite Filter does …
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[XSS Info] Re: strip_tags evasion

Posted on January 1, 1970 - Filed Under filtering input | Leave a Comment

So the best practice is IMHO: [code] Input -> Validate -> Filter (CRLF, Ctrl-Chars) -> Escape -> Store -> Encode (Just the characters you need to encode) -> Output [/code] …
See original here: [XSS Info] Re: strip_tags evasion

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