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Re: secure file transfer

Posted by cwdjrxyz on 09/30/06 17:38

richard wrote:
> "cwdjrxyz" <spamtrap2@cwdjr.info> wrote in message
> news:1159632079.856025.112910@m73g2000cwd.googlegroups.com...
> >
> > jack.smith.sam@gmail.com wrote:
> >> Hi All
> >>
> >> I want to put some files on a server and do not want unauthorized
> >> people to access it (when someone wants the file it prompts for
> >> password and if it was correct allow file download). What is the
> >> easiest way to do this?
> >
> > If you can set up ftp download with password on your server, that is a
> > good way to go and one often used by many commercial sites. If you are
> > using the server of some host that does not allow you to do this, there
> > is another way that does not require you to do anything at the server.
> > That is to use an encrypted self extracting file or an encrypted zip
> > file. Both are .exe files that might scare some people away. My CuteZip
> > program from GlobalScape allows this, and most likely there are other
> > programs that do so. You just use the program to encrypt the directory
> > or file and you must also enter a password. You then upload the
> > generated encrypted file to the server. After someone downloads the
> > encrypted file, they are asked to enter a password when they double
> > click it. In the case of the self extracting encrypted file, it then
> > decrypts and generates the file or files that it contains.
> >
>
> Nice idea but encrypting a file one wants to download is useless. As
> somewhere on the site the password would have to be posted for that file.
> I've downloaded some zip files that popped up with the password dialog.
> Pressed esc or hit the x and I opened the file.

The password is not on the site. The password is entered only after the
encrypted file is downloaded. The persons that need such files are
given the password by email, phone, or whatever. See if you can open
http://www.cwdjr.net/test/twoImages.exe and tell me the names of the
images you see. You likely can download as normal. However when you
doubleclick to cause the self extracting file to open, you should get a
screen that asks you to enter a password. If you have the correct
password, the encrypted file opens and gives you a directory that
contains images. Of course, being an exe file, I would understand why
you might not want to try it, coming from someone you may not know.

 

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