Technical Avenues-- Tutorials, Questions, Articles

Technical Avenues

Dotfuscator Community Edition with Visual Studio® .NET 2003

Posted: 11 Jul 2007 01:05 AM CDT

With the help of tools like ILDASM (the MSIL disassembler that ships with the .NET Framework SDK) or decompilers such as Anakrino and Reflector for .NET, anyone can easily look at your assemblies and reverse engineer them back into readable source code. Hackers can search for security flaws to exploit, steal unique ideas, and crack programs. This should be enough to give you pause.

However there's a solution—obfuscation—that will help you thwart reverse engineering. Obfuscation is a technique that provides for seamless renaming of symbols in assemblies as well as other tricks to foil decompilers. When it is properly applied, obfuscation can increase the protection against decompilation by many orders of magnitude, while leaving the application intact. Obfuscation is commonly used in Java environments and for years has been helping companies protect the intellectual property in their Java-based products.

Microsoft includes the Dotfuscator Community Edition with Visual Studio® .NET 2003 in partnership with our company PreEmptive Solutions, which ships a number of various obfuscator packages.

To read a good article about it visit : http://msdn.microsoft.com/msdnmag/issues/03/11/NETCodeObfuscation/

IP2Location™ ISAPI Filter from IP2Location.com

Posted: 11 Jul 2007 01:04 AM CDT

(OPENPRESS) July 9, 2007 -- IP2Location™ ISAPI Filter is an Internet Server Application Programming Interface (ISAPI) plug-in that can be used with any web server running IIS, which enables you to discover in real-time, where your web visitors are coming from by IP address. You can determine what country they are by IP address. IP2LocationTM ISAPI Filter used server variable dynamically tailor the content of your site based on your visitors country, region, city, latitude, longitude, ZIP code, ISP, domain name and so on. This ISAPI Filter is using a fast and self-contained lookup engine. No remote query or database connection required.

Developers use this ISAPI Filter for projects related to:

- Display native language and currency
- Redirect based on country
- Reduce credit card fraud
- Web log stats and analysis
- Auto-selection of country on forms
- Filter access from countries you do not do business with
- Geo-targeting for increased sales and click-through
- Hide content from visitors from specific countries

IP2Location™ ISAPI Filter is written for any web server running IIS and optimized for Windows® operating system performance. It supports Microsoft IIS 4, 5.X, & 6 on Microsoft Windows NT/2000/XP/.NET

- Gets IP Information
IP2Location ISAPI Filter makes it easy to collect IP Information from everyone visiting your web site. Such as country, region or state, city, latitude, longitude, US zip code, time zone, ISP, domain name and net speed.

IP2Location ISAPI Filter includes a feature called Redirection Filters that allows website redirection based on the website visitor's country location.

IP2Location ISAPI Filter works on all Windows platforms that support IIS and ISAPI filter plug-in. It works with the latest versions of Microsoft IIS and ensures compatibility with older versions of Microsoft IIS as well.

IP2Location™ ISAPI Filter has been developed to run exclusively under any IIS machines with support for HTML, ASP, ASP.NET, PHP, Perl, Cold fusion and CGI. This ISAPI Filter required a local IP2Location™ database for lookup purpose.


Web site: http://www.ip2location.com

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