CentOS 5.3: Creating Encrypted Block Devices
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CentOS 5.3 now comes with disk encryption. When you install the operating system you have the option to encrypt block devices, partitions that you create. Block device encryption requires a passphrase or key as authentication in order to access the data on that partition. The advantage of block encryption is that it will enforce the encryption even if the disk is removed from the operating system.
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The application is not only valuable for laptops but provides security for disks on servers that may be moved or thrown away. Having just recently wiped and “hammered” old server disks to protect the company data, it would be nice to know that there is an additional layer of security for that data. Full Story |
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