>>Is there a way to prevent access to the users to the DBF files outside a VFP application, lets say to keep them from opening them thru VFP developement or erase, rename or copy them thru the Windows Explorer.
>>
>>All the files are in a Windows NT server, I suppose that there could be a hidden propery to the files or something like that.
>>
>>Any hints?
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>For sure, but you need to do heavy job on it!
>
>First, you need to make a self encrpy.prg and decrpy.prg for change data information.
>These prg need to change all type of data including char, integer, float, date, datetime, ...
>
>Then, you encrpy all data before put to each field of table.
>and decrpy them before giving using to user!
>
>Remember to set the table index with decrpy(keyfield)....
>So, other program will get rubbish data unless they got your decrpy program...
>
>but you need to give huge effect on check the encrpy, decrpy action is well work!
>
>For me, I don't do this for most data but only my staff table password field...
>I have already found it difficult to do...
>Of cos, my encrpy, decrpy function is for character only... :0
>
>ANyway, good luck!
Are you using a TPL (Third Party Library), if so which one, or creating the encryption routines yourself?
//:^)