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.dbf file is pwd protected, how to crack?

Posted on 2003-03-09
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We have a dbf file a disgruntled employee pwd protected before being fired.
We need to find some kind of shareware app that lets us see the pwd and or edit/remove it.
Any thoughts?

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Question by:fr0ntl1n3
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9 Comments
 
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by:CarlWarner
ID: 8100570
Typically, a dbf can't be password-protected.  The dbf structure is very wide open and there is no built-in mechanism to password protect it.  There are ways to encrypt outside of the dbf that require a third party app and there are ways to change the header of the dbf just enough where the file can't be read until that byte is changed to one that the program opening up a .dbf will recognize.

Do you get an error message trying to open it?
If so, what is the message?

If it's not an error message, what are the symptoms you see that lead you to your conclusion?
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Author Comment

by:fr0ntl1n3
ID: 8104039
sdasdasd
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by:fr0ntl1n3
ID: 8104047
We are prompted for a password when we try to import into access2000.

we do not know what app created the dbf file.

any help is greatly appreciated
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LVL 33

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by:CarlWarner
ID: 8104179
If you haven't already, just assume there is no password and try that.  However, I'm surprised then if it's not asking you for a Login name along with that password.  What good is a password without a login?

If you're starting with Access, you most probably are depending on an ODBC connectivity driver that is loaded on that PC as the method for importing the data.  I really want to say that your ODBC is not setup correctly to import that xBase .dbf file.  (But, I can't see your PC from here. ; )

In Control Panel, check your ODBC setup for .dbf files.  Start with a Visual FoxPro ODBC driver and check its setup.  You might want to create a new setup just for this task that identifies the free table (not a database) folder that tells the driver connection name where to look.
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by:fr0ntl1n3
ID: 8104250
Just tried to open in access, asks for a password, I entered nothing and clicked on "enter"
Response was an alert msg (yellow ! in triangle)
that says "could not decrypt file" with an OK and HELP button.

trying the odbc change now, will advise
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Expert Comment

by:CarlWarner
ID: 8104301
I was looking for a link to a simple look at how to set that up so I wouldn't re-invent the wheel.  The following one is close, but I believe you're wanting to open a free table and not a .dbc/database file here as this article in generally trying to change you to.

ACC2002: Selecting Visual FoxPro Database in Configure Connection Dialog Box Defaults to Free Table Directory
http://support.microsoft.com/default.aspx?scid=kb;en-us;275065

A .dbf table in native form does not require a login or password.  In fact, that has been one of the many requests in the xBase world to add more security.  There have been various methods of getting security that have all been external to the .dbf itself.

I too am willing to try that file here, if you don't have any real qualms about me looking at it. mailto:Carl@VFUG.Org
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by:CarlWarner
ID: 8104314
Just another possible useful reference:

ACC2002: No Option to Import, Link, or Export to the FoxPro File Type
http://support.microsoft.com/default.aspx?scid=kb;en-us;286224

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by:walterecook
ID: 10337090
No comment has been added lately, so it's time to clean up this TA.
I will leave the following recommendation for this question in the Cleanup topic area:

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