David Wang

David Wang on IIS, ISAPI, Exchange, Virtual Server, and whatever else I fancy...

HOWTO...

Posts
  • David Wang

    HOWTO: IIS 6 Request Processing Basics, Part 2 - Web Site, Virtual Directory, and Web Application

    • 11 Comments
    Question: In brief, what is different about a virtual directory that is also set as a Web Application? I can have a virtual directory, and then optionally set it to be a Web Application. Beyond updating the metabase, what does IIS do that causes the...
  • David Wang

    HOWTO: PreCondition an ISAPI Extension DLL

    • 2 Comments
    Question: Hello We have a legacy x64 ISAPI extension that runs without problems in Win 2003 64bit - IIS 6.0. But in Win2008 EBS Security Manager setup, IIS 7.0 Default Application Pool's WOW64 / Enable32BitApp property is enabled by default,...
  • David Wang

    HOWTO: Change IIS User Impersonation Token

    • 2 Comments
    Question: Hi, We are using our third party component for doing authentication and authorization with IIS6 web server on win2k3 X64 EE. Here we are using IMPERSONATION concept for this integration. Can anybody describe the required configuration...
  • David Wang

    HOWTO: List all Virtual Directories and Paths of a List of Servers

    • 12 Comments
    Question: I need to audit web servers in my domain, and would like to be able to connect to each server, and enumerate the virtual directories -- ultimately leading to a link to each web site hosted by the server. Can this code be modified to get that...
  • David Wang

    HOWTO: Basic Native/Managed Code Interop

    • 1 Comments
    IIS7 core extensibility model supports both native and managed code as first-class citizens. So, I feel it is time for a little refresher on managed/native code interop... starting with the more popular route of how to wrap native code API for use within...
  • David Wang

    HOWTO: Convert between JScript Array and VB Safe Array

    • 11 Comments
    I recently got a question about how to manipulate the LIST data type within JScript since my sample code only illustrated VBScript. Well... one reason why that example is in VBScript is because LIST manipulation (a VB SafeArray) is more straight forward...
  • David Wang

    HOWTO: Monitor Virtual Server Events

    • 9 Comments
    I think Virtual Server Events and Asynchronous Tasks are two of the least utilized features of the Virtual Server Administration API. Contrary to the often-asked task of "find the VM, turn it off, manipulate its VHD, then turn it back on", which shows...
  • David Wang

    HOWTO: Diagnose One Cause of "%1 is not a valid Win32 application" on IIS6 on 64bit Windows

    • 9 Comments
    Question: I have a new development server that i put together on a Windows 2003 64 bit machine. I also have SQL Server 2005 and Developers Studio 2005 and 2003 installed on this machine. I have executed the "Enable32bitAppOnWin64 1" command, as per...
  • David Wang

    HOWTO: Install and Run PHP on IIS7, Part 3

    • 5 Comments
    A short while ago, I came out with a small script to properly configure PHP for IIS7. Sure enough, I got asked to make a similar one for IIS6. So, I figure that while I am at it, I might as well cover IIS4, IIS5, and IIS5.1 as well since it is not very...
  • David Wang

    HOWTO: Install and Run PHP on IIS7, Part 2

    • 50 Comments
    A couple of months ago, I wrote a quick and dirty entry on how to install PHP on IIS7. The main purpose of that entry was to explain the details of what was going on as well as cookie-cutter instructions of one way to successfully install PHP on IIS7...
  • David Wang

    HOWTO: Enumerate IIS website and ftpsite configuration (VBScript using ADSI)

    • 26 Comments
    I recently got a request to make a script to illustrate how to enumerate useful values from both Web and FTP sites serviced by IIS, so I decided to make some additions to the original script tool located here to allow it to easily enumerate both Web and...
  • David Wang

    HOWTO: Useful ASP page to retrieve Request and send Response Headers

    • 2 Comments
    I am finishing up on the series of ASP pages that show how to: Send Responses of arbitrary Status Code Send Responses with arbitrary types of Entity Body Send Responses with arbitrary Headers (this entry) Query Request Headers (this entry...
  • David Wang

    HOWTO: Access POST form data with ISAPI

    • 4 Comments
    This is a frequently asked question about IIS6 extensibility - how to access the request entity body on the way in - as well as how to configure IIS. Question: I want to catch all incoming requests, add some header and watch it when its out. Therefore...
  • David Wang

    HOWTO: Useful ASP page to return configurable HTTP Status codes

    • 4 Comments
    Sometimes, you just want a simple test page on IIS to do some automated testing of your code that interacts with IIS. Here is another useful one in the series. Question: Hi, I have some negative testing therefore need to have IIS to return 403...
  • David Wang

    HOWTO: Rename the Computer running IIS6

    • 8 Comments
    Question: Hi , I have two web servers. One web server(w2k3Ent) and IIS 6.0 in a work group and One identical Web Server in the Domain. I want to now rename the Server names of the both, to comply some policy. Will the IIS functionality be affected...
  • David Wang

    HOWTO: Run Console Applications from IIS6 on Windows Server 2003, Part 2

    • 47 Comments
    I finally have enough blog entries about various portions of IIS6 request processing that I can stitch together this meta-blog-entry explaining how it all works together and then apply it towards an issue. You probably want to keep a link to this loaded...
  • David Wang

    HOWTO: Retrieve Request Headers using ISAPI, ASP, and ASP.Net

    • 31 Comments
    Developers frequently confuse Request Headers, Response Headers, and Server Variables as well as the appropriate syntax to retrieve/manipulate each of them, depending on the API (ISAPI, ASP, and ASP.Net). I am going to clarify all of this right now. ...
  • David Wang

    HOWTO: Perform VHD Maintenance Automatically

    • 6 Comments
    Question: I would like to have a night script to run on guest machines and perform the following tasks: 1. start / restore from saved state if machine is not running (preferably disconnected from network in order to preserve resources) 2. run on...
  • David Wang

    HOWTO: Get Field Data for Custom Logging with ISAPI Filter

    • 11 Comments
    Question: I'm trying to write a Filter that handles writing a W3C-compliant log file based on a special set of criteria. I have found most of the needed information in GetServerVariables(), but I still need the following things: sc-status: The status...
  • David Wang

    HOWTO: Maximize the Number of Concurrent Connections to IIS6

    • 60 Comments
    Question: I'm considering building a realtime ASP.NET application on IIS6, that'll need to support about 3,000 simultaneous users on a server, each with a keep-alive HTTP connection for "server push." The HTTP connection will need to stay open for...
  • David Wang

    HOWTO: Run Console Applications from IIS6 on Windows Server 2003

    • 10 Comments
    Question: I need some help on the following: I am trying to exectute the netstat comand in side a PHP script using PHP on a wnidows server 2003. The problem is that i am haveing a problem getting the netstat command to exec since it requires adminstration...
  • David Wang

    HOWTO: Install and run PHP on IIS7

    • 66 Comments
    Question: Hi all, I have trouble to configure PHP 5 (CGI mode) in IIS 7 on Vista 5308... What I did: - Download and unpack PHP - set user permission to PHP folder AND script folder (IIS_IUSRS and Internet Guest Account) - in IIS Manager: Added...
  • David Wang

    HOWTO: Detect Process Bitness

    • 21 Comments
    In an ideal world, everything runs as native bitness (64bit program on 64bit OS, 32bit program on 32bit OS) and life goes on. However, sometimes you need to run that legacy 32bit program on a 64bit OS and need to configure things a little differently...
  • David Wang

    HOWTO: Install Virtual Server VM Additions Unattended

    • 6 Comments
    Question: I was wondering if it is possible not to have the virtual machine additions installation eject the iso image after installing, maybe an undocumented switch. I have created a custom OS installation CD and anything to be installed after...
  • David Wang

    HOWTO: Sharepoint and CustomAuth, Part 2 - Investigations Update

    • 1 Comments
    About a month ago, I solicited user questions in this blog entry on how to integrate customized authentication protocol with Sharepoint, and I was a little overwhelmed by the responses and the variety of situations that users have posted and shared with...
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