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1
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1answer
53 views

Does filesystem encryption strain SSDs?

For security purposes we are required to implement full filesystem encryption on an upcoming server installation. We use the default encryption settings shipped with CentOS 7. My question: as our ...
0
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0answers
45 views

Apache DocumentRoot folder encrypted with EFS

As per this question http://stackoverflow.com/questions/7575709/newly-added-files-getting-permissions-error Apache 2.2 is not supposed to be able to access its DocumentRoot if the folder has been ...
1
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2answers
181 views

Decrypt EFS files when copying to windows shared

My users have their documents redirected to a share on a file server running NTFS - very regular setup. EFS works and the users are able to encrypt a folder and files in their redirected documents. ...
0
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0answers
138 views

Where is the encfs volume key stored?

I am trying to use encfs in reverse mode. I understand that the passphase is used to encrypt a key which is then stored encrypted into the encfs6.xml file. What I do not understand is the following. ...
1
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0answers
118 views

Safe filesystem encryption using mdadm and cryptsetup in EC2

I need to safely store some encrypted information in EC2. For this purpose, I'd like to encrypt a filesystem on my EBS drives to ensure that third-parties won't be able to poke around in my data. ...
0
votes
1answer
31 views

How to encrypt a user and specific services on a Mac Server?

I am setting up a server in an office, and we want to encrypt the hard drive so that in the event of a physical breach, the data is secure. We initially used FileVault2, but since we need to be able ...
-2
votes
2answers
306 views

Gain access to other people's encrypted files

For a proof of concept I am building a server which will host 2 users. Both users are local admin, and both users are domain users. User1 will encrypt the files with EFS so he can get transparent ...
0
votes
1answer
220 views

Encryption strategy for CentOS on Amazon EC2

Although there is plenty of information about how to create encrypted partitions (like http://silvexis.com/2011/11/26/encrypting-your-data-on-amazon-ec2/), there's not much information suggesting what ...
-2
votes
2answers
841 views

FreeBSD encryption concept: automatic boot without password or key, when mounted by another system?

Recently, i installed FreeBSD for work and geli for encryption. (Full disk encyrption without boot partition.) When I finished getting it setup, I found that every time it boots, I need to enter the ...
0
votes
1answer
341 views

How to deal with LVM encryption on remote restart?

Is there a way to handle the LVM mounting password remotely? This is usually presented during boot on the main console (where the machine physically resides at). I am able to ssh in during the ...
2
votes
2answers
329 views

Can root become user and access encrypted home?

The home is mounted unencrypted on login. I tried accessing it after doing 'su sampleuser', but it was encrypted, which is the expected behavior I guess. I also tried changing the user's password, ...
3
votes
2answers
1k views

How to mount LUKS partition securely on server

I'm curious if it is possible to mount a partition encrypted by cryptsetup with LUKS securely and automatically on Ubuntu 10.0.4 LTS. For example, if I use the key for the encrypted partition, than ...
3
votes
1answer
132 views

Why make random file for loopback device for encrypted file system?

I have read a few tutorials on setting up an encrypted file system using cryptsetup. They all start with the following creation of a random file dd if=/dev/urandom of=/etc/cryptfile bs=1M count=10 ...
0
votes
1answer
194 views

Linux crypted filesystem : is there actually big issues?

as a SaaS provider with sensitive informations we think about crypted filesystem (under Linux) but is there any problem about performances or maintenance if the filesystem crash? We want to use it on ...
1
vote
1answer
623 views

Fix a Truecrypt Volume

I've have a backup volume using truecrypt (USB Disk, entire disk (eg /dev/sdb)) accidentally added to a Windows System and then using windows that disk has been initialized. No other action has been ...
1
vote
1answer
2k views

How secure is encfs

Like others on this site, I am considering using encfs + sshfs for secure offsite backups. I am wondering how robust encfs is to brute force attacks? Do some users use the --stdinpass command with a ...
0
votes
2answers
213 views

Decrypting EFS w/o altering timestamp - possible?

I'd like to decrypt some EFS-encrypted files, but I do not know how to do that without altering the timestamp. When encrypting/decrypting files, the modified-time is set to the current time. I'd like ...
0
votes
1answer
110 views

How can I make a dm-crypt folder world writeable?

I've set up an encrypted directory with dm-crypt. how can I make it world writeable (for my ftp server)?
1
vote
4answers
938 views

Sql Server - Error attaching mdf file encrypted via Encrypted File System (EFS)

I am getting an error trying to attach a database whose files were previously encrypted via EFS. The actuall error message is Msg 5120, Level 16, State 101, Line 9 Unable to open the physical file ...
13
votes
2answers
2k views

Auto-booting and Securing a Linux Server with an Encrypted Filesystem

I'm setting up some new Ubuntu servers, and I'd like to secure the data on them against theft. The threat model is attackers desiring the hardware or rather naïve attackers desiring the data. ...
2
votes
3answers
1k views

How to view EFS encrypted external hard driver on multiple PCs?

If I encrypt a USB drive using Windows 2008 EFS, will I be able to view the the contents of the drive on another PC (is there a way to provide credentials?)? The Windows 2008 system is using Windows ...