07-10
24

NTFS DOCUMENTS (23)

Cloudy Melancholy

Authoreric   Category Related Resource   Comments1   Post Time 2007-10-24 01:11:38 -0400

You encrypt or decrypt a folder or file by setting the encryption property for folders and files just as you set any other attribute such as read-only, compressed, or hidden. If you encrypt a folder, all files and subfolders created in the encrypted folder are automatically encrypted. It is recommended that you encrypt at the folder level.

You can also encrypt or decrypt a file or folder using the cipher command. When you work with encrypted files and folders, keep in mind the following information:

    Only files and folders on NTFS volumes can be encrypted. Because WebDAV works with NTFS, NTFS is required when encrypting files over WebDAV.
    Files or folders that are compressed cannot also be encrypted. If the user marks a file or folder for encryption, that file or folder will be uncompressed.
    Encrypted files can become decrypted if you copy or move the file to a volume that is not an NTFS volume.
    Moving unencrypted files into an encrypted folder will automatically encrypt those files in the new folder. However, the reverse operation will not automatically decrypt files. Files must be explicitly decrypted.
    Files marked with the System attribute cannot be encrypted, nor can files in the system root directory.
    Encrypting a folder or file does not protect against deletion or listing files or directories. Anyone with the appropriate permissions can delete or list encrypted folders or files. For this reason, using EFS in combination with NTFS permissions is recommended.
    You can encrypt or decrypt files and folders located on a remote computer that has been enabled for remote encryption. However, if you open the encrypted file over the network, the data that is transmitted over the network by this process is not encrypted. Other protocols, such as Single Socket Layer/Transport Layer Security (SSL/TLS) or Internet Protocol security (IPSec), must be used to encrypt data over the wire. WebDAV, however, is able to encrypt the file locally and transmit it in encrypted form.

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Tags Tags: windows,encrypt,NTFS,xp,ntfs,decrypt

Comments List

xiya posted on 2007-10-24 21:01:09 -0400

It is very useful.Thank you! I know what are encrypt and decrypt now. May I ask that the easeus data security wizard software can encrypt and decrypt my files and folders?

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