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Batch File: Delete Duplicate Files

24 December 2008 • by Bob • Windows

Using this Batch File

Some time ago a friend of mine gave me a bunch of JPG files, but for some reason she had two copies of every image in the collection. The names of the images had all been randomized, and since there were hundreds of files in the collection it would have taken hours to find and delete the duplicates. With that in mind, I wrote the following batch file that loops through the collection of files and does a binary comparison to find and delete duplicate files.

To use the example code, copy the batch file code from below into Notepad and save it as "_del_dupes.cmd" in the folder where you have duplicate files

Note: As with many utilities that I write - this is a destructive operation, meaning that it will delete files without prompting, so you should always make a backup just in case something goes terribly wrong... ;-]

Batch File Example Code

@echo off

dir *.jpg /b > _del_dupes.1.txt

for /f "delims=|" %%a in (_del_dupes.1.txt) do (
   if exist "%%a" (
      dir *.jpg /b > _del_dupes.2.txt
      for /f "delims=|" %%b in (_del_dupes.2.txt) do (
         if not "%%a"=="%%b" (
            echo Comparing "%%a" to "%%b"...
            fc /b "%%a" "%%b">NUL
            if errorlevel 1 (
               echo DIFFERENT
            ) else (
               echo SAME
               del "%%b"
            )
         ) 
      ) 
   )
)

del _del_dupes.?.txt

FTP Clients - Part 4: FileZilla

18 December 2008 • by Bob • FTP

For this next installment in my FTP Clients series, I'd like to take a look at the FileZilla FTP client. For this blog post I was using FileZilla version 3.1.6.

There are a lot of places where you can find FileZilla, but the best location is the official FileZilla web site at http://filezilla-project.org/. The FileZilla FTP client is free, so you can't beat the price. ;-]

The user interface is pretty straight-forward: you have separate windows for your local and remote files/folders, as well as a logging window that lists the FTP commands that are sent and the FTP server's responses.

FileZilla has a great Site Manager feature, which allows you to store commonly-used connections to FTP sites.

Using FTP over SSL (FTPS)

When creating a connection to an FTPS server, FileZilla has two options: FTPS and FTPES. It's important to have this option configured correctly, otherwise you will run into problems when trying access a site using FTPS. If you'll recall from my "FTP Clients - Part 2: Explicit FTPS versus Implicit FTPS" blog post, Explicit FTPS allows the client to initiate SSL/TLS whenever it wants, but for most FTP clients that will be when logging in to your FTP site, and in that regard it may almost seem like Implicit FTPS, but behind the scenes the FTP client and server are communicating differently.

In the case of FTP7, the following rules apply:

• If you enable FTPS and you assign the FTP site to port 990, you are using Implicit SSL - FileZilla refers to this as FTPS.
• If you enable FTPS and you assign the FTP site to any port other than port 990, you are using Explicit SSL - FileZilla refers to this as FTPES.

Using FTP Virtual Hosts

Because FileZilla's site manager allows you to specify the virtual host name as part of the user credentials, FileZilla works great with FTP7's virtual host names. All that you need to do is use the "ftp.example.com|username" syntax when specifying your username, and when you connect to the FTP7 server it will route your requests to the correct FTP virtual host site.

Unfortunately, even though FileZilla allows you to send custom commands, you cannot send custom commands outside of an established FTP session, so you can't send the FTP HOST command as part of your login, therefore true FTP hosts are not supported.

Directory Browsing

Using MS-DOS or UNIX directory listings in FTP7 didn't have any impact on whether FileZilla could render directory listings, nor did configuring any of the other options such as four-digit years, etc. When I create FTP connections in FileZilla's site manager it defaults to auto-detecting the FTP server type, which makes the directory browsing behavior transparent to the client. (Behind the scenes FileZilla is sending an FTP SYST command, which allows FileZilla to detect the operating system.)

You can customize the server type in the advanced settings for your FTP connection, so you can match up your FTP7 directory listing options and the server type that FileZilla expects, but personally I have had no problems with auto-detection so I prefer to use that option.

On a side note, if you intentionally misconfigure FileZilla's server type settings, you can cause FileZilla to behave strangely. For example, choosing a VMS server type and configuring FTP7 to use MS-DOS directory listings will not work, but then again - I wouldn't expect that to work. ;-]

Scorecard for FileZilla

So - that concludes our quick round-trip for some of FileZilla's features, and here's the scorecard results:

Note: As with all of the FTP clients in this blog series, there are a great number of additional features that FileZilla provides - I'm just keeping the focus on a few specific topic areas that apply to FTP7.

Note: This blog was originally posted at http://blogs.msdn.com/robert_mcmurray/

FTP Clients - Part 3: Creating a Global Listener FTP Site

18 December 2008 • by Bob • FTP

In my "FTP Clients - Part 1: Web Browser Support" blog post, I mentioned creating a secured Global Listener FTP Site when you're working with FTP virtual hosts, but I didn't really explain what I meant by that or why you would want to do this. With that in mind, today's blog post is to describe how and why you might want to create a Global Listener FTP Site.

To start things off, the concept is really simple - a Global Listener FTP Site is an FTP site with no virtual host binding and anonymous access disabled. It's kind of like having a "Default FTP Site" with restricted access. Here's why this is a good idea when you're working with FTP virtual hosts - some clients default to anonymous, like web browsers, and if anonymous succeeds then the FTP client doesn't have the opportunity to enter the FTP virtual host name, so you can't get to the virtual host site.

To refresh everyone's memory, there are two different methods for binding multiple FTP host names to IP addresses in FTP7:

• FTP Virtual Host Names - This uses the "ftp.example.com|username" syntax as part of the client login in order to route FTP requests to the correct FTP site. This syntax is compatible with FTP almost every FTP clients, and should be thought of as a backwards-compatible method for binding multiple FTP host names to a single IP address.
• FTP True Host Names - This uses the FTP HOST command, which is still only an IETF draft at the moment. In the future this may be the way that FTP clients and servers automatically communicate with each other, like the "Host: www.example.com" header does for HTTP, but that may still have a few years at the very least.

Unless your FTP client allows sending custom FTP commands, you won't be able to use FTP True Host Names, so if you want to host several FTP sites on the same IP address then your only option is to use FTP Virtual Host Names. The trouble is, as I mentioned earlier, that some FTP clients (like web browsers) try to log in using anonymous first. If all of your FTP sites are bound to a virtual host name, the FTP client will get a "550-No such host is known" error from the FTP server, because the anonymous user did not specify a virtual host name as part of the USER command. On some clients you could fix that by specifying "ftp.example.com|anonymous" as your anonymous user name, but in most cases the login attempt will just fail.

If you create an FTP site that has no virtual host name, then the FTP service will have some place to send these default anonymous requests. When this FTP site does not have anonymous access enabled, the client will be prompted for their username, which will allow you to enter the "ftp.example.com|username" syntax to specify the virtual host name.

Please note that creating a Global Listener FTP site is really more of a workaround for the way that some FTP clients behave - it's certainly not required, and it only applies to situations where you are using FTP Virtual Host Names. For example, if you are using user isolation to restrict users to specific paths on a single FTP site, the Global Listener FTP site would be completely unnecessary.

More Information

Note: See my Virtual Hosts and Host Names in FTP7 blog post for more information about FTP Virtual Host Names and FTP True Host Names, and see https://datatracker.ietf.org/drafts/draft-hethmon-mcmurray-ftp-hosts/ for more information about status of the FTP HOST command.

Note: This blog was originally posted at http://blogs.msdn.com/robert_mcmurray/

FTP Clients - Part 2: Explicit FTPS versus Implicit FTPS

10 November 2008 • by Bob • FTP

In part 2 of my series on FTP clients, I thought it would be best to have a discussion about the differences between Implicit FTPS and Explicit FTPS. In my recent "FTP Clients - Part 1: Web Browser Support" blog post, I referenced Implicit and Explicit FTPS with a link to my Using FTP Over SSL walkthrough. But it occurred to me that some people may not understand the difference between the two, and my upcoming blog posts are going to build upon that knowledge, so I thought that a quick discussion of these two technologies would be prudent.

FTP over SSL (FTPS)

One of the many limitations of the File Transfer Protocol (FTP) is a general lack of security; e.g. user names and passwords are transmitted in clear text, data is transferred with no encryption, etc. In order to address this situation, FTP over SSL (FTPS) was introduced in Requests for Comments (RFC) article 2228 - FTP Security Extensions, and expanded in RFC 4217 - Securing FTP with TLS to address Transport Layer Security (TLS).

Following up on these RFC articles, the FTP service for Windows Server 2008 added support for FTPS, and the FTP SSL Settings Feature in the IIS Manager allows you to configure your FTPS settings to allow or require SSL, enforce 128-bit SSL, or customize your control/data channel SSL settings.

Explicit FTPS

Explicit FTPS is really what RFCs 2228 and 4217 envisioned; basically the way this works is an FTP client connects over the control/command channel (usually on port 21), and then the client can negotiate SSL for either the command/control channel or the data channel using new FTP commands like AUTH, PROT, CCC, etc.

The FTP service for Windows Server 2008 allows customized settings for both the command/control channel and the data channel through the Advanced SSL Policy dialog:

There are several ways that Explicit FTPS might be implemented depending on your business needs:

Control Channel	Data Channel	Notes
Allow	Allow	This configuration allows the client to decide whether any part of the FTP session should be encrypted.
Require only for credentials	Allow	This configuration protects your FTP client credentials from electronic eavesdropping, and allows the client to decide whether data transfers should be encrypted.
Require only for credentials	Require	This configuration requires that the client's credentials must be secure, and then allows the client to decide whether FTP commands should be encrypted. However, all data transfers must be encrypted.
Require	Require	This configuration is the most secure - the client must negotiate SSL using the FTPS-related commands before other FTP commands are allowed, and all data transfers must be encrypted.

Implicit FTPS

Implicit FTPS takes SSL one step further than simply requiring that SSL-related commands must be sent first like you can with Explicit SSL; with Implicit FTPS, an SSL handshake must be negotiated before any FTP commands can be sent by the client. In addition, even though Explicit FTPS allows the client to arbitrarily decide whether to use SSL, Implicit FTPS requires that the entire FTP session must be encrypted. Basically the way that Implicit FTPS works is that an FTP client connects to the command/control channel, in this case using port 990, and immediately performs an SSL handshake; after SSL has been negotiated, additional FTP commands for the session can be sent by the FTP client.

Using FTPS in FTP service for Windows Server 2008 follows the Internet Assigned Numbers Authority (IANA) specification that the Implicit FTPS command/control channel is on port 990 and the Implicit FTPS data channel is on port 989.

Using FTPS in Windows Server 2008

Here's the way that you specify which type of FTP over SSL (FTPS) that you are using in Windows Server 2008:

• If you enable FTPS and you assign the FTP site to the default port of 21, you are using Explicit SSL.
• If you enable FTPS and you assign the FTP site to port 990, you are using Implicit SSL.
• In point of fact, if you enable FTPS and you assign the FTP site to any port other than port 990, you are always using Explicit SSL.

Note: If you are using FTP on any ports other than the defaults of 21/20 and 990/989, you must make sure that those ports are not already assigned by IANA to another protocol. For more information, see the list of assigned port numbers on IANA's web site.

Parting Thoughts

Choosing whether to use Explicit FTPS over Implicit FTPS is a personal choice, and generally this choice may depend on your business needs or your FTP client. In several FTP clients that I've tested, the FTP client chooses one form of FTPS over another as the default method, and the FTP client may require some manual configuration to use the other.

Shortly after shipping the FTP service for Windows Server 2008 we discovered an issue where the FTP service was not cleaning up Implicit SSL connections properly, and we issued a hotfix rollup package for the FTP service that is discussed in Microsoft Knowledge Base article 955136.

I hope this helps to clear things up a bit. ;-]

Note: This blog was originally posted at http://blogs.msdn.com/robert_mcmurray/

AppCmd 80070057 errors when configuring site-level settings

02 October 2008 • by Bob • IIS, Troubleshooting

I had an interesting question from a coworker who was trying to use AppCmd to set the site-level SSL options for an FTP site. This should have been straightforward, and the syntax that he gave me looked correct:

appcmd.exe set config -section:system.applicationHost/sites -[name='Default FTP Site'].ftpServer.security.ssl.controlChannelPolicy:SslAllow /commit:apphost

That being said, whenever he or I ran the command we received the following cryptic error from AppCmd:

Failed to process input: The parameter 'Site'].ftpServer.security.ssl.controlChannelPolicy='SslAllow'' must begin with a / or - (HRESULT=80070057).

The HRESULT=80070057 code can mean either "One or more arguments are invalid" or "The parameter is incorrect", which seemed wrong to me because the arguments looked correct. Based on the error message referring to the word 'Site', I retried the command using the site ID instead of the site name:

appcmd.exe set config -section:system.applicationHost/sites -[id='4'].ftpServer.security.ssl.controlChannelPolicy:SslAllow /commit:apphost

This worked as expected, so I knew that somehow the problem was with the site name.

I searched around and I found a forum post on IIS.NET where Anil Ruia had stated that when the site name has a space in it you should enclose the entire parameter statement in quotes. Armed with that knowledge, I tried the following command:

appcmd.exe set config -section:system.applicationHost/sites "-[name='Default FTP Site'].ftpServer.security.ssl.controlChannelPolicy:SslAllow" /commit:apphost

This fixed the problem and the command worked as I would have originally expected.

By the way, in general you should be able use the following command to get the FTP syntax listing for an area:

appcmd.exe set config -section:system.applicationHost/sites -? | find /i "ftp"

This wouldn't have helped my coworker identify the problem with the "name" parameter, but it would have helped by giving him the syntax for using the "id" parameter.

Note: This blog was originally posted at http://blogs.msdn.com/robert_mcmurray/

Outlook Macro: Export Appointments to TSV File

30 September 2008 • by Bob • Office, VBA

Using this Outlook VBA Macro

Over the years, I had noticed that I had appointments from years ago stuck in my calendar, so I wrote this Outlook VBA Macro to export a list of all my appointments to a tab-separated (TSV) file so that I could open it in Microsoft Excel and analyze all of my appointments. (After writing this macro, I wrote my Delete Old Appointments macro to delete old appointments.)

Outlook VBA Macro Example Code

Sub ExportAppointmentsToTsvFile()

   Dim objOutlook As Outlook.Application
   Dim objNamespace As Outlook.NameSpace
   Dim objFolder As Outlook.MAPIFolder
   Dim objAppointement As Outlook.AppointmentItem
   Dim objNetwork As Object
   Dim objFSO As Object
   Dim objFile As Object
   Dim strUserName As String

   Set objOutlook = Application
   Set objNamespace = objOutlook.GetNamespace("MAPI")
   Set objFolder = objNamespace.GetDefaultFolder(olFolderCalendar)

   Set objNetwork = CreateObject("WScript.Network")

   strUserName = objNetwork.UserName

   If InStr(strUserName, "\") = 0 Then
      strUserName = objNetwork.UserDomain & "\" & strUserName
   End If

   Set objFSO = CreateObject("Scripting.FileSystemObject")
   Set objFile = objFSO.CreateTextFile("c:\outlook-calendar.tsv")

   objFile.WriteLine "UserName" & vbTab & _
      "AppointementStart" & vbTab & _
      "AppointementEnd" & vbTab & _
      "AppointementRecurrenceState" & vbTab & _
      "AppointementSubject" & vbTab & _
      "AppointementSize" & vbTab & _
      "AppointementUnRead" & vbTab & _
      "AppointementLocation"

   For Each objAppointement In objFolder.Items
      DoEvents
      objFile.WriteLine strUserName & vbTab & _
      objAppointement.Start & vbTab & _
      objAppointement.End & vbTab & _
      objAppointement.RecurrenceState & vbTab & _
      objAppointement.Subject & vbTab & _
      objAppointement.Size & vbTab & _
      objAppointement.UnRead & vbTab & _
      objAppointement.Location
   Next

   MsgBox "Done!"

End Sub

Outlook Macro: Delete Old Appointments

30 September 2008 • by Bob • Office, VBA

Using this Outlook VBA Macro

Over the years, I had noticed that I had appointments from years ago stuck in my calendar, so I wrote this Outlook VBA Macro to help keep my outlook calendar thinned-out.

Note: This macros deletes appointments and attachments from your Outlook calendar - make sure that you want to do this before running this macro.

By default the macro will:

• Delete all appointments over a year old (except recurring appointments.)
• Delete all attachments from 6-month-old appointments.
• Delete large attachments from 2-month-old appointments.

You can alter these dates by adjusting the appropriate lines in the macro.

Outlook VBA Macro Example Code

Sub DeleteOldAppointments()

   Dim objOutlook As Outlook.Application
   Dim objNamespace As Outlook.NameSpace
   Dim objFolder As Outlook.MAPIFolder
   Dim objAppointement As Outlook.AppointmentItem
   Dim objAttachment As Outlook.Attachment
   Dim objNetwork As Object
   Dim lngDeletedAppointements As Long
   Dim lngCleanedAppointements As Long
   Dim lngCleanedAttachments As Long
   Dim blnRestart As Boolean
   Dim intDateDiff As Integer

   Set objOutlook = Application
   Set objNamespace = objOutlook.GetNamespace("MAPI")
   Set objFolder = objNamespace.GetDefaultFolder(olFolderCalendar)

Here:

   blnRestart = False

   For Each objAppointement In objFolder.Items
      DoEvents
      intDateDiff = DateDiff("d", objAppointement.Start, Now)

      ' Delete year-old appointments.
      If intDateDiff > 365 And objAppointement.RecurrenceState = olApptNotRecurring Then
         objAppointement.Delete
         lngDeletedAppointements = lngDeletedAppointements + 1
         blnRestart = True

      ' Delete attachments from 6-month-old appointments.
      ElseIf intDateDiff > 180 And objAppointement.RecurrenceState = olApptNotRecurring Then
         If objAppointement.Attachments.Count > 0 Then
            While objAppointement.Attachments.Count > 0
               objAppointement.Attachments.Remove 1   Wend
            lngCleanedAppointements = lngCleanedAppointements + 1
        End If

      ' Delete large attachments from 60-day-old appointments.
      ElseIf intDateDiff > 60 Then
         If objAppointement.Attachments.Count > 0 Then
            For Each objAttachment In objAppointement.Attachments
               If objAttachment.Size > 500000 Then
                  objAttachment.Delete
                  lngCleanedAttachments = lngCleanedAttachments + 1
               End If
            Next
         End If
      End If
   Next

   If blnRestart = True Then GoTo Here

   MsgBox "Deleted " & lngDeletedAppointements & " appointment(s)." & vbCrLf & _
      "Cleaned " & lngCleanedAppointements & " appointment(s)." & vbCrLf & _
      "Deleted " & lngCleanedAttachments & " attachment(s)."

End Sub

FTP Clients - Part 1: Web Browser Support

25 September 2008 • by Bob • FTP

Since we've been testing a lot of FTP clients with our new FTP server for IIS 7, I thought that it would be a good idea to discuss some of the highlights and pitfalls that we have run into when testing various clients.

I thought that I'd begin this series with an examination of several web browsers, which are really not the best FTP clients around - web browsers are mostly just "putting a pretty face" on an FTP site rather than functioning as an FTP client. In any event, here's a summary table of different features that I tested with a few web browsers:

See the individual client notes below for more information on each client.

Firefox 3.0.2

Directory Browsing:

Some older Firefox versions only worked with UNIX directory listings - you could not use MS-DOS directory listings. That said, I was able to use version 3.0.2 with MS-DOS directory listings but only when I did not enable four-digit years; if you enable four-digit years, Firefox will only display blank directory listings.
 

Outside of that problem, Firefox has a great user experience for browsing FTP sites that's very reminiscent of Apache's Fancy Indexing feature for directories that have no home page.

FTP SSL/TLS:

SSL connections cannot be created by this client.

Virtual Hosts:

You can create a connection to an FTP7 virtual host only if a "Global Listener" FTP site is created that requires authentication, after which you can enter the "sitename|username" syntax to connect to the virtual host. There is no method for entering custom commands, so HOST does not work.

Observations:

One really odd thing that Firefox does is allow you to keep hitting the "Up to a higher level directory" link and it just keeps appending ".." to the path. That's really odd, and it doesn't seem to break anything, but it sure is annoying.



One last annoyance is that my default installation of Firefox cached the directory listings from the FTP server in between sessions. So I used Firefox to browse an FTP site, then completely closed Firefox, then when I came back I saw directory listings from my previous session instead of updated directory listings until I forced a refresh.

Internet Explorer 7.0

Directory Browsing:

Internet Explorer works with both MS-DOS and UNIX directory listings. But that being said, Internet Explorer's FTP browsing experience is completely no-frills - it's an ugly "What You Have Is What You See" approach to viewing your FTP site. (In fact, it looks a lot like the built-in IIS directory browsing pages.)



That being said, Internet Explorer works with both MS-DOS and UNIX directory listings, and has no trouble with four-digit years like Firefox.

FTP SSL/TLS:

SSL connections cannot be created by this client.

Virtual Hosts:

You can create a connection to an FTP7 virtual host only if a "Global Listener" FTP site is created that requires authentication, after which you can enter the "sitename|username" syntax to connect to the virtual host. There is no method for entering custom commands, so HOST does not work.

Observations:

A truly great feature of Internet Explorer's FTP browsing experience is the "Open FTP Site in Windows Explorer" integration, where you can switch from the web browser representation to a full Read/Write Windows Explorer view of your site.



One last annoyance is that Internet Explorer cached the directory listings from the FTP server in between sessions just like Firefox. If I completely closed Internet Explorer and reopened it I saw FTP directory listings from my previous session instead of updated directory listings until I forced a refresh. (Something about that just doesn't seem right. :-O)

Google Chrome 0.2.149 (Beta)

Directory Browsing:

In case you thought that Internet Explorer's FTP browsing experience was pretty basic, Google Chrome's browsing experience is even simpler than IE's.



That being said, Google Chrome seemed to work with both MS-DOS and UNIX directory listings, and had no trouble with four-digit years.

FTP SSL/TLS:

SSL connections cannot be created by this client.

Virtual Hosts:

You can create a connection to an FTP7 virtual host only if a "Global Listener" FTP site is created that requires authentication, after which you can enter the "sitename|username" syntax to connect to the virtual host. There is no method for entering custom commands, so HOST does not work.

Observations:

Part of me is inclined to cut Google Chrome a little slack on their display since this is their first browser and it's still only in beta. ;-)

Opera 9.5.2

Directory Browsing:

Much like Firefox, Opera has a rich FTP browsing experience:



The only downside to the directory browsing experience is slow the speed that it took to connect to the server and render the directory listing. I eventually got tired of waiting and stopped testing it before I could play around with the MS-DOS versus UNIX and other directory browsing settings.

FTP SSL/TLS:

SSL connections cannot be created by this client.

Virtual Hosts:

You can create a connection to an FTP7 virtual host only if a "Global Listener" FTP site is created that requires authentication, after which you can enter the "sitename|username" syntax to connect to the virtual host. There is no method for entering custom commands, so HOST does not work.

Observations:

As mentioned in the directory browsing notes earlier, Opera's FTP browsing experience was incredibly slow for me. I didn't make any changes to Opera at first - I simply used the default installation and it would take an inordinate amount of time to connect to the server; often the Opera browser would simply switch to "Not Responding" and I would have to end the task from Task Manager.

Summary

As far as web browsers are concerned, they're not great FTP clients. That being said, here's my thoughts on their respective experiences:

• Directory Browsing:
  • Best: Firefox 3.0.2, Opera 9.5.2
  • Worst: Google Chrome 0.2.149 (Beta), Internet Explorer 7.0
• Performance:
  • Best: Firefox 3.0.2, Google Chrome 0.2.149 (Beta), Internet Explorer 7.0
  • Worst: Opera 9.5.2
• Shell Integration:
  • Only Internet Explorer 7.0 had shell integration, which enables true Read/Write FTP capabilities
• FTP SSL/TLS:
  • None of the four web browsers that I tested had FTP SSL/TLS capabilities
• Virtual Hosts:
  • All four web browsers that I tested could use FTP7 virtual hosts

In the next part of this series, I'll start taking a look at some specific FTP clients.

Note: This blog was originally posted at http://blogs.msdn.com/robert_mcmurray/

Life after FPSE (Part 2)

23 April 2008 • by Bob • FrontPage, IIS, WebDAV

Following up on my last blog post, today's blog post will discuss some of the highlights and pitfalls that I have seen while transitioning from using the FrontPage Server Extensions to publish web sites to WebDAV. It should be noted, of course, that FTP still works everywhere - e.g. Expression Web, FrontPage, Visual Studio, etc. As the Program Manager for both WebDAV and FTP in IIS I can honestly say that I love both technologies, but I'm understandably biased. <grin> That said, I'm quite partial to publishing over HTTP whenever possible, and Windows makes it easy to do because Windows ships with a built-in WebDAV redirector that enables you to map a drive to a web site that is using WebDAV.

To set the mood for today's blog, let's have a little fun at FPSE's expense...

A Few Notes about Migrating FPSE Web Sites to WebDAV and Backwards Compatibility

To start things off, I wrote a detailed walkthrough with instructions regarding how to migrate a site that is using FPSE to WebDAV that is located at the following URL:

I wrote that walkthrough from the point-of-view that you might want to preserve the FPSE-related metadata in order to open your web site using a tool like Visual Studio or FrontPage. Neither of these tools have native WebDAV support, so you have to map a drive to a WebDAV-enabled web site in order to use those tools, and the instructions in that walkthrough will lead you through the steps to make the FrontPage-related metadata available to those applications over WebDAV.

The part of that walkthrough that makes backwards compatibility work is where I discuss adding settings for the IIS 7 Request Filtering feature so that FPSE-related metadata files are blocked from normal HTTP requests, but still available to WebDAV. (These metadata settings are all kept in the folders with names like _vti_cnf, _vti_pvt, etc.)

It should be noted, however, that if you are not interested in backwards compatibility, the steps are much simpler. In Step 1 of the walkthrough, you would choose "Full Uninstall" as the removal option, and all of your _vti_nnn folders will be deleted. If you've already removed FPSE from a web site and you chose the "Uninstall" option, you can remove the _vti_nnn folders from your site by saving the following batch file as "_vti_rmv.cmd" in the root folder of you web site and then running it:

dir /ad /b /s _vti_???>_vti_rmv.txt

for /f "delims=;" %%i in (_vti_rmv.txt) do rd /q /s "%%i"

del _vti_rmv.txt

It's worth noting, of course, that this batch file can be pretty disastrous if run in the wrong web site, as FPSE will no longer be able to access any of the metadata that defined your web site. Any content stored in folders like _private, fpdb, _overlay, etc., will all be preserved.

Getting to Know the WebDAV Redirector

Windows Vista and Windows Server 2008 both ship a first-class director, making it easy to use WebDAV sites across the Internet as though they were local shares. Using the WebDAV director is as intuitive as mapping a drive to any UNC share, you just specify the drive letter and the destination URL:

If you prefer, you can also use the command-line to map a drive to a WebDAV site:

net use * http://www.example.com/

Enter the user name for 'www.example.com': msbob

Enter the password for www.example.com: ******

Drive Z: is now connected to http://www.example.com/.

The command completed successfully.

Rather than repeat myself any more than necessary, I wrote the following walkthrough for anyone that plans on using the WebDAV redirector:

That walkthrough discusses how to install the redirector if necessary, how to map drives to WebDAV sites, and how to troubleshoot any problems that you might see.

Microsoft Expression Web - Using a WebDAV-enabled Editor

One of my favorite publishing features in Expression Web is that it has native WebDAV support built-in, so it doesn't have a dependency on the WebDAV redirector in order to work with a WebDAV-enabled web site. If you're currently using Expression Web to open a web site using FPSE, the change to WebDAV should be fairly seamless. If you're currently using FrontPage, the Expression Web team has put together a whitepaper that describes the differences between FrontPage and Expression Web, which is available from the following link:

That being said, when opening a WebDAV web site in Expression Web, you simply enter the HTTP URL the same way that you would if you were opening a site using FPSE:

When you first open a web site using WebDAV, Expression Web will prompt you whether to edit the web site live, or edit locally and publish your changes later:

Once your live web site is opened, the WebDAV editing experience is what you would have expected from using FPSE:

Summary

So in closing, I've presented a few things to consider when working with WebDAV instead of FPSE. Using the WebDAV redirector makes working with WebDAV sites as easy as working with network shares, and using Expression Web is by far the easiest way to edit WebDAV sites.

Life after FPSE (Part 1)

17 April 2008 • by Bob • FrontPage, IIS

Today's blog post will be the first in a series of blog posts that I intend to write about my experiences with putting together a Windows Server 2008 machine without using the FrontPage Server Extensions (FPSE) for any web publishing. The main goal of this series is to describe some of the highlights and pitfalls that I have run into while transitioning away from FPSE.

Over the years I've seen the users of FPSE broken down into two groups: those that love FPSE and those that hate FPSE. So before anyone thinks that I fall into the category of people that hate FPSE, in this first part of the series I will explain a brief bit of my history with FPSE.

My Personal Background with FPSE

In late 1995, Microsoft bought a little-known Massachusetts-based company named Vermeer Technologies, Inc., which really only had one product: FrontPage 1.0. (Incidentally, that's where all of those _vti_nnn folders that FPSE uses come from: the "vti" stands for Vermeer Technologies, Inc.)

FrontPage was quickly transitioned into the Microsoft array of Office products, and Microsoft realized that they needed someone to support it. With that in mind, four of my coworkers and I started a FrontPage support team in Microsoft's Product Support Services (PSS) organization. The following photo shows what the five of us looked like "way back when..."

Note: My hair is much shorter now.

The First Microsoft FrontPage Version

Back then we supported both the FrontPage client and FPSE. Two coworkers specialized on what was then a small array of Windows-based servers (WebSite, Netscape, etc.), while another coworker and I specialized on the wider array of Unix-based servers, (NCSA, CERN, Netscape, Apache, etc.) At first FPSE was 100% CGI-based, but Microsoft soon released Internet Information Services (IIS) 1.0 for Windows NT Server 3.51 and we provided an ISAPI version of FPSE when FrontPage 1.1 was released in early 1996. In either case, FPSE was often somewhat difficult to configure, so a couple of my coworkers and I used to spend our free time searching the Internet looking for servers that were using FPSE incorrectly, then we would call them and offer to help fix their web sites for free. (Support was different back then, wasn't it? )

FrontPage Gains Popularity

Industry acceptance for FrontPage and FPSE grew rapidly through the releases of FrontPage 97 and FrontPage 98. During that same time period Microsoft released IIS 2.0 through IIS 4.0 for Windows NT Server 4.0, where I switched from supporting the FrontPage client and refocused my career to work exclusively with FPSE and IIS. Over a short period of time a couple of coworkers and I became the escalation point for all the really difficult FPSE cases - so chances are good that if you were using FPSE back then and you had a problem then one us us probably helped you fix it. Sometime around this period Microsoft decided to scrap internal development for the Unix version of FPSE, so Microsoft contracted Ready-to-Run Software, Inc., to port FPSE to Unix.

FrontPage Grows Up

The next couple of years saw the releases of FrontPage 2000, FrontPage 2002, and FrontPage 2003, where FrontPage did its best to move away from a simple web authoring tool into more of a feature-rich developer tool. During that same time period Microsoft released IIS 5.0 for Windows Server 2000 and IIS 6.0 for Windows Server 2003. Through all of these releases I slowly transitioned from an escalation team member to writing content, where I wrote or edited hundreds of Knowledge Base articles about FPSE and IIS for Microsoft's support web site. I also worked extensively with several members of the IIS product team in order to get some much-needed changes into FTP and WebDAV.

What was interesting about the release of FrontPage 2003 is that Microsoft did not release a version of FPSE to coincide with that release. This decision was based on the fact that the product team that was responsible for FPSE was also responsible for SharePoint, and they decided to drop FPSE as a separate product in favor of SharePoint. What this meant to FPSE end users was - FPSE was being slowly phased out in favor of SharePoint, or in favor of competing publishing technologies like WebDAV or FTP.

The End of FrontPage

After the release of IIS 6.0 I accepted a position as an SDK writer on the IIS User Education team, and a short time later I found out that the Product Unit Manager for IIS, Bill Staples, was looking for someone to take over web publishing in IIS 7.0 on Windows Server 2008. Bill and I had already had several discussions on the subject so I volunteered for the position, and for the last few years my life has been happily consumed with shipping FPSE, FTP, and WebDAV for Windows Server 2008.

During this same time period, however, Microsoft ended the line of FrontPage products; the team responsible for the FrontPage client splintered into the groups that now make the SharePoint Designer and Expression Web products, and the FPSE product team was now focusing exclusively on SharePoint. This situation meant that no one that worked on FPSE in the past was available to work on a new version for Windows Vista or Windows Server 2008, which left FPSE users in a predicament if they wanted to upgrade their operating systems. With this in mind, the IIS product team decided to contract Ready-to-Run Software, Inc. again in order to port the Windows version of FPSE to Windows Vista and Windows Server 2008. Even then, though, FPSE's days are numbered.

Summary

So, the short end to this long story is that I've been around the FrontPage Server Extensions in one way or another ever since the very beginning, and I've seen the good, the bad, and the ugly.

In my next post, I'll discuss using WebDAV instead of FPSE.

Note: This blog was originally posted at http://blogs.msdn.com/robert_mcmurray/

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