rakkimk : IIS

IIS – Getting “Connection_Abandoned_By_AppPool DefaultAppPool” – File Version Mismatch

rakkimk — Fri, 07 Aug 2009 20:24:00 GMT

Today, I was working with a customer of mine who had some problems in configuring a Virus Definitions Distribution Point for Symantec Live Update on IIS. Another module hosted on a different web-server has a button to test this distribution point, and we were seeing that the test on this………………..

Read the rest of the post here.

http://blogs.msdn.com/rakkimk/archive/2009/08/07/iis-getting-connection-abandoned-by-apppool-defaultapppool-file-version-mismatch.aspx

ADSUTIL.vbs – Copying a website

rakkimk — Fri, 21 Nov 2008 02:05:19 GMT

Copying a website (to another exact copy)

Here is the command to copy a website(run from a cmd prompt – c:\inetpub\adminscripts):

> cscript.exe adsutil.vbs copy <source> <destination>

> cscript.exe adsutil.vbs copy w3svc/1 w3svc/556

The numbers mentioned there are nothing but the website identifiers. After copying, you might see the other (new) website stopped – just because the old one still runs on the same port and IP address combination. Taking an exact copy of website sometime comes handy where you just do not want to restart IIS for restoring a backup, but can restore the copy you took after playing with the original one.

Copying only the ISAPI Filters (to another website)

This is pretty simple – you can use this example to just copy *any* node in the Metabase to another website.

> cscript adsutil.vbs copy w3svc/1/Filters w3svc/2/Filters

Hope this helps!

LogParser – Useful Logparser scripts

rakkimk — Wed, 19 Nov 2008 02:33:06 GMT

Logparser is a powerful utility which comes handy for me whenever I’m helping my customers facing a problem with slow running pages, frequently hit pages, post mortem analysis to find what went wrong on IIS, et al. You can use Logparser to parse your IIS logs to health check the state of your server, and the requests it had served. Below are few LogParser scripts, and their corresponding output in chart format – you can choose your own format, but isn’t a picture worth a 1000 words?

Note : change the GIF file location, and chartType to get more awesome images.

Finding Top 20 hit URLs

> logparser "select top 20 cs-uri-stem, count(*) as Hits into c:\mychart.gif from c:\inetpub\logs\logfiles\w3svc1\*.log group by cs-uri-stem order by Hits DESC" -i:w3c -chartType:barstacked -view:on

Finding Error codes

> logparser "select sc-status, count(*) as Hits into mychart.gif from c:\inetpub\logs\logfiles\w3svc1\*.log group by sc-status" -i:w3c -chartType:pieexploded3d -view:on

Finding the top 10 client IPs

> logparser "select top 10 c-ip, count(*) as Hits into mychart.gif from c:\inetpub\logs\logfiles\w3svc1\*.log group by c-ip order by Hits DESC" -i:w3c -chartType:bar3d -view:on

Slow running pages

> logparser "select top 10 cs-uri-stem, time-taken from c:\inetpub\logs\logfiles\w3svc1\*.log order by time-taken DESC" -i:w3c

cs-uri-stem                                                           time-taken
------------------------------------------                        ----------
/IRTcalculator/default.aspx                                  101262
/TestingWebsite/WebsiteThumbnailImage.aspx 42495
/IRTcalculator/default.aspx                                  33711
/Qod/ScoreCard.aspx                                           28672
/IRTcalculator/default.aspx                                  24802
/IRTcalculator/default.aspx                                  24169
/IRTcalculator/default.aspx                                  22732
/QoD/                                                                   20967
/IRTcalculator/default.aspx                                  20358
/IRTcalculator/default.aspx                                  19281

This above query will list you the top 10 URL’s which are taking more time – be informed that this time-taken field in IIS 6/7 will contain the network time to, this is just not only the IIS processing time.

More to come! Hope this helps.

Microsoft Web Platform Installer Beta

rakkimk — Wed, 08 Oct 2008 01:11:50 GMT

If you are a web deployment guru, and looking to reduce your burden of downloading lot of software, configuring them and if you didn’t check Bills’ blog earlier, you better do check it right now.

The new ‘Microsoft Web Platform Installer Beta’ gives you an easy way of configuring the ASP.NET/IIS stack along with tools needed for development all in one go.

1. Select the IIS components you need to install

2. Select the tools, .NET SP

3. Download and Installation

You can get it from here. Happy Deployment (with less hassles)!

.rm

IIS - Sample ISAPI Filter doing Redirection to another website

rakkimk — Fri, 09 May 2008 23:17:00 GMT

I know I'm in a very old world of writing ISAPI Filters to do the redirection instead of just creating an IHttpModule and plug it directly in the IIS7 request pipeline. But, one of my customer wanted this ISAPI filter and I made a fairly simple ISAPI Filter to do the redirection.

Below sample doesn't do any checks, or maintains any lists of mapped URLs, but just a simple redirection of all the requests to http://www.live.com. Feel free to modify it accommodating your need.

Code Snippet

#include <stdio.h> 
#include <stdlib.h> 
#include <afx.h>
#include <afxisapi.h>

BOOL WINAPI __stdcall GetFilterVersion(HTTP_FILTER_VERSION *pVer) 
{ 
  pVer->dwFlags = (SF_NOTIFY_PREPROC_HEADERS ); 
  CFile myFile("C:\\ISAPILOG\\URLs.html", CFile::modeCreate);
  myFile.Close();
  pVer->dwFilterVersion = HTTP_FILTER_REVISION; 
  strcpy(pVer->lpszFilterDesc, "Sample Redirection ISAPI"); 
  return TRUE; 
} 

DWORD WINAPI __stdcall HttpFilterProc(HTTP_FILTER_CONTEXT *pfc, DWORD NotificationType, VOID *pvData) 
{ 
   char buffer[256];
   DWORD buffSize = sizeof(buffer);
   HTTP_FILTER_PREPROC_HEADERS *p;
   CHttpFilterContext *chc;
   chc = (CHttpFilterContext *)pfc;
   char *newUrl;
   CFile myFile("C:\\ISAPILOG\\URLs.html", CFile::modeWrite);

   switch (NotificationType)  { 

   case SF_NOTIFY_PREPROC_HEADERS :

   p = (HTTP_FILTER_PREPROC_HEADERS *)pvData;

   char newUrl[50];
   wsprintf(newUrl, "http://www.live.com/");

   char szTemp[50];
   wsprintf(szTemp, "Location: %s\r\n\r\n",newUrl);

   pfc->ServerSupportFunction (pfc,
                            SF_REQ_SEND_RESPONSE_HEADER,
                            (PVOID) "302 Redirect",
                            (DWORD) szTemp,0); 

   myFile.SeekToEnd();
   myFile.Write("<BR><B> Orignial URL : </B>",strlen("<BR><B> Orignial URL : </B>"));
   BOOL bHeader = p->GetHeader(pfc,"url",buffer,&buffSize); 
   CString myURL(buffer);
   myURL.MakeLower(); 
   myFile.Write(buffer,buffSize);
   
   myFile.Write(" <B>New URL : </B> ",strlen(" <B>New URL : </B> "));
   myFile.Write(newUrl,strlen(newUrl));
   myFile.Close();

   return SF_STATUS_REQ_HANDLED_NOTIFICATION; 
   }
  return SF_STATUS_REQ_NEXT_NOTIFICATION; 
}

Above is my sample, You might want to check my earlier ISAPI blog post to get the .def file and steps to create the DLL.

Hope this helps!