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ASP.NET Performance: Dynamically Loaded Assemblies Cause Application Recycles (Problem and Solution)

      In my speak - dynamically loaded assemblies are those assemblies that were compiled during run time dynamically via CodeProvider like CSharpCodeProvider directly or by using types that use this class internally. Assemblies that Read More...

Posted 08 October 08 04:21 by alikl | 4 Comments   
Filed under Test Phase, Implementation, Performance

ASP.NET Data Binding Performance – Collection Is More Expensive Than Datatable

In my previous post - Best ASP.NET Performance Winner For Data Binding - Hands Up To Response.Write() – I’ve conducted several simple performance tests for data binding to GridView in ASP.NET page. What surprised me most is that eliminating massive loops Read More...

Posted 01 August 08 02:40 by alikl | 4 Comments   
Filed under Test Phase, Implementation, Performance, Planning Phase

Best ASP.NET Performance Winner For Data Binding - Hands Up To Response.Write()

     To achieve best performance you need to make decisions based on trade-off between coolness, coding productivity, and personal engineering values. I never thought I would be recommending my customer considering using old fashion Read More...

Posted 31 July 08 03:29 by alikl | 21 Comments   
Filed under Test Phase, Development Phase, Implementation, Performance, Planning Phase

Use FREE Tools From IIS Resource Kit To Warm Up Your ASP.NET 1.1 Application By Batch Compilation

Have you noticed that when ASP.NET web application is accessed for the first time the response is slow? The reason for such behavior is batch compilation that occurs on the first hit. ASP.NET batch compilation is the process of compiling ASP.NET markup Read More...

Posted 20 July 08 06:24 by alikl | 5 Comments   
Filed under Test Phase, Implementation, Deployment Phase, Performance

ASP.NET Performance Sin - Serving Images Dynamically (Or Another Reason To Love Fiddler)

Serving images dynamically may cause performance hit. Dynamically served images require more HTTP requests which violates Steve Souders' performance rule #1 - Make Fewer HTTP Requests . The latency is also caused by parallelism (or parallel downloading) Read More...

Posted 02 May 08 02:12 by alikl | 7 Comments   
Filed under Test Phase, Tools, Development Phase, Implementation, Performance, Planning Phase

T-Shooting Kerberos

I was delivering "Authentication Explained" session for Security User Group. First off - thanks for attending the session! The session was based on "Authentication Explained" workshop . During the session I was demoing the following topics: Identity Flow Read More...

Posted 04 July 07 10:16 by alikl | 2 Comments   
Filed under Test Phase, Security, Implementation, Deployment Phase, Practices, Authentication

Performance Gain - Security Risk

Reposted from Performance Gain - Security Risk Good intention for better performance may lead to flawed design and bring in more security risks. Consider the following ASPX page: Here is why it cannot be accessed: When trying to navigate there you get: Read More...

Posted 27 March 07 03:26 by alikl | 4 Comments   
Filed under Test Phase, Security, Code Inspection, Implementation, Performance

XSS? - Do not Make Me Laugh, We Use WinForms

Reposted from XSS? - Do not Make Me Laugh, We Use WinForms I find myself sometimes (actually too many times...) in situation explaining people of impact of Cross Site Scripting (attack) attacks as a result of importer encoding of user input (vulnerability) Read More...

Posted 25 March 07 10:16 by alikl | 2 Comments   
Filed under Input Validation, Test Phase, Security, Development Phase, Implementation

.Net Assembly Spoof Attack

To be honest I am not sure about the name of such attack, but in the nutshell it is attack where the original good code is replaced by bad one with the same interface but very bad implementation - may be Trojan DLL? Anyway... My Australia based teammate Read More...

Posted 12 March 07 08:51 by alikl | 8 Comments   
Filed under Test Phase, Security, Code Inspection, Reflection, Development Phase, CAS, Implementation

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