Encryption is transforming information through a cipher to protect it from unauthorized access.

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how do I plan partitions for LUKS encryption of a CentOS 7 server?

A CentOS 7 web server needs encryption at rest. I would like to use LUKS encryption for this, but I need direction to plan how. Can I use LUKS encryption to encrypt the entire drive as one unit on a ...
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1answer
7 views

openssl smime message signing: why do I need a -certfile key?

Here is how one should sign a message with openssl smime? according to the docs openssl smime -sign -in in.txt -text -out mail.msg -signer mycert.pem \ -inkey mykey.pem -certfile mycerts.pem But ...
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1answer
31 views

How to save output from grub-md5-crypt to a file ?

I am using Cent OS 6.5 and I want to save the generated output and md5 hash from grub-md5-crypt command to a file. The grub-md5-crypt command asks us to set a password. I want the password(which I ...
2
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1answer
29 views

connection is encrypted and authenticated using 128. expecting 256

I have two servers that I have been working to configure to use modern ciphers. One is working and the other seems to be reporting mixed results. I'm not sure what the issue is. Specifically when I ...
0
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1answer
8 views

tinc - TCP Cipher method

In tinc 1.0.x there is Cipher param which allows to set encryption for UDP packets. For TCP packets encryption method is not allowed to be changed ...
0
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0answers
31 views

Openshift: SSH key denied, even though they match

I am attempting to use the OpenShift RHC tool on a Windows machine to ssh into one of my applications. The public key associated with my OpenShift account matches my .\.ssh\id_rsa.pub and I've even ...
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0answers
12 views

EFS can decrypt a file but not re-encrypt after modification

I have a Windows 2008 R2 server with a shared folder containing an encrypted subfolder (EFS) for each user with important files. For security reasons 2 additional DRA's have been configured on the ...
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2answers
67 views

Copy Files from one Linux server to another with Encryption [closed]

I want that when i copy files from one Linux server to another it should be encrypted. Also, there should be a log maintained as which files are uploaded from which IP just like ftp logs. The ...
2
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0answers
17 views

Windows 8 GPT Encryption [closed]

I have to run encryption for HIPAA Compliance and ran into a snag. I have a Windows 8.1 Home with GPT Based drive. It does not have Bitlocker nor TPM, and VerCrypt doesn't support GPT Partitions. ...
0
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1answer
60 views

Simple encryption for Samba shares

I have an Arch Linux machine acting as an SSH and file server, using vsftpd for FTP and samba for SMB. I would like to access this server via SMB over the Internet, and it is currently set up to ...
0
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1answer
34 views

Mobile Encryption Password

I'm wondering what other people do for this. I have a client who needs to meet HIPAA Security Compliance. I have two things I'm wondering about. I need to encrypt all laptops that leave this ...
2
votes
1answer
67 views

Is the Outlook OST cache file encrypted?

Is the OST cache file created by Outlook encrypted? I understand that Outlook won't open the file unless it can connect to the user's Exchange account, but I'm wondering if there's a possibility that ...
0
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0answers
15 views

Encrypted network share for multiple users

I have the following scenario: 100GB of data 5 users should be mounted on two different servers the servers are all running Ubuntu users are accessing/writing to it at the same time (not the same ...
3
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1answer
23 views

Determining encryption container name corresponding to machine key in %ProgramData%\Microsoft\Crypto\RSA\MachineKeys

On Windows, encryption machine keys are stored in: %ProgramData%\Microsoft\Crypto\RSA\MachineKeys How do I determine the corresponding container name for each key? I'm guessing this vagueness is by ...
2
votes
2answers
161 views

Database backup encryption

I've been trying to work out an effective database backup encryption scheme lately. I have a Postgres 9.4 server, I have most of the backup scheme fleshed out I think. Backups will be stored in a ...
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0answers
49 views

McAfee Drive Encryption issues with HP Elitebook 755 G2

Hi all (Sorry if this isn't the right forum to post on), I have a slightly frustrating issue involving a small collection of HP laptops and McAfee Encryption. We can encrypt the laptops absolutely ...
0
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2answers
41 views

encrypt mariadb database files

I'm currently setting up an installation of mediawiki on arch linux using nginx and mariadb as a database. Since it will be a private wiki I would like to encrypt the database files using veracrypt. ...
0
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0answers
42 views

Does coreos' cloud-init have something similar to ansible's vault?

I'm trying to setup ssl keys and certs onto a coreos machine, on the previous ubuntu machine I was using, I had ansible's vault encrypt the key and cert for source control and decrypt it when adding ...
2
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1answer
42 views

Hyper-V Guest data encryption

I have a new requirement to encrypt the data inside an sql database while it is at rest. So far I've looked at Bitlocker (see below), and other commercial products (I won't name because I'm not ...
0
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0answers
5 views

TPM Drive Encryption / Network Profile

I have the following situation: I have an old application that cannot be rewritten for various reasons that I can't go into. Just noting that refactoring the source of the problem is a total no-go. ...
0
votes
1answer
64 views

What would be a less-known SSL certificate attribute to look out for? [closed]

I'm looking for a simple domain SSL certificate for our company's website and I'm a little confused. A lot of them seems to offer the exact same features, yet at price ranges going from 5$ / year to ...
0
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2answers
25 views

How to handle passwords in a script: in-memory VS on-file

I have a script that runs on a VPS in a cheap cloud provider. The scenario is: I trust my provider, but I prefer to make his life hard if he ever wants to steal my key. All the interested folders in ...
3
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0answers
23 views

Anubis as GPG proxy

I'm trying to setup GNU Anubis to act as a sort of proxy to sign/encrypt emails coming from a service. The service is currently configured to send email using our SMTP server. The idea would be to ...
0
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1answer
57 views

Root cannot access a directory - access denied

Under Linux (Ubuntu 14LTS), I'm trying to access an encrypted local directory created by a regular user (encfs) as root, but I get access denied: root@toad:/home/robert# cd inbox bash: cd: inbox: ...
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31 views

Does my SSL cert have anything to do with or say about the symmetric session key?

The answer found on this server fault thread is my jumping off point for this general topic: http://serverfault.com/a/313558 ... and this question can be thought of as a follow-up to that answer. ...
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0answers
50 views

Password mismatch in dovecot with postafixadmin

After many hours trying to set up a new mail server, I just can't figure out why the passwords which postfixadmin store are a mismatch with what dovecot passes for authentication. In postfixadmin, ...
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0answers
33 views

Creating a grow-on-demand encrypted volume with LUKS

I am trying to create an encrypted, growing-as-needed file system in with Linux. I am familiar with LUKS and cryptsetup. I can create an empty file: fallocate -l 512M /root/image I can create a ...
0
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1answer
88 views

How to find mainboards that supports Self Encrypting Device (SED) in BIOS?

There should exist mainboards that support Self Encrypting Device (SED) in BIOS, so when connecting a SSD which have SED support, and SED have been enabled in the BIOS, it prompts on bootup for ...
0
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1answer
15 views

SNMP access with encryption

I'd like to configure my SNMP v3 (NET-SNMP) agent to limited user range with encryption. Could you give me a short hint how to setup encryption with NET-SNMP? Do you have any experiences in using ...
2
votes
1answer
295 views

How to send “ATA Secure Erase” command to SSD?

A very good way to erase a SSD which have SED support is to change the password/key. But what to do with those that doesn't have SED support? This article says Fortunately it is possible to erase ...
2
votes
1answer
191 views

Mounting encrypted Samba share (linux server/client)

I'm trying to set up encrypted samba access. In order to achieve that I've added 2 lines to [global] scope in smb.conf: server signing = mandatory smb encrypt = mandatory But unfortunately I can't ...
3
votes
2answers
90 views

Encrypting a file name in linux?

I'm trying to encrypt a file as well as its filename. Encrypting the file is fairly easy, I use gpg for that, but I can't figure out how to encrypt the filename as well. Would be great if the filename ...
1
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1answer
61 views

Ubuntu Encryption - Protect data in the case of Physical Server Access

Looking to Encrypt a system, such that if someone has physical access to the server they can not clone the hard drive or copy data off of it. I require the services to be running such that the ...
3
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1answer
65 views

Bitlocker device name change

When imaging our PCs we generally create a temp name for our facilities to change the device name to whatever particular department fits their needs. The issue is we can't send out any devices without ...
3
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1answer
257 views

LUKS full disk encryption use keyfile instead of passphrase

I have enabled LUKS full disk encryption on an LVM volume while installing centos6.6, however it asks for a passphrase every time the OS is rebooted. I am now trying to use a key file according to ...
0
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1answer
118 views

Debian encrypted home directory setup fails

Here's the problem: # ecryptfs-migrate-home -u <user> INFO: Checking disk space, this may take a few moments. Please be patient. INFO: Checking for open files in /home/<user> Enter ...
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1answer
60 views

ZFS, mdconfig, GELI and getting my head around

I want to create an encrypted virtual disk but I am struggling with understanding some basic concepts. Please correct me if any of these statements are wrong: I need a block device that geli can ...
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1answer
42 views

Linux private file encryption

I need to store and secure clients files. I would like to encrypt files and not being able to open it. Only file owner can open his file. I think I’ll have to generate private key for each customer. ...
4
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1answer
183 views

Kerberos KDC has no support for encryption type while getting credentials

I am configuring an apache/SSO authentication with an AD with Kerberos. My http server is a Debian Wheezy and the AD is a Windows Server 2012. I generated keytabs files on WS2012 with kpass command ...
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54 views

Changing default encryption for OS X IPSec Client

We have two MacBooks -- one with Yosemite (10.10.2) and one with OS X Lion. IPSec to the office works from one but not from the other and the root cause seems to be that Yosemite uses AES as the ...
0
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0answers
19 views

How do I edit a signed or encrypted SMIME message to include a footer?

Is there any way to edit a signed/encrypted SMIME message so that there is a legal disclaimer on the message? I'm thinking about the MIME multipart email directive may allow for this.
0
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2answers
91 views

Decrypt a Header in Apache (HTTPD)

I've been asked to have a look at whether it's possible to decrypt a header during the processing of the request. The specific use case is to respond to the decrypted contents of the header by ...
0
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1answer
66 views

Recomendations for this mail server setup?

EMAIL SERVER SETUP Hey, its my first time using serverfault but I hope the community can help. I am trying to build a secure email system using Linux, Postfix, Dovecot and MySQL. I have read on ...
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1answer
122 views

Generating public/private credentials for MS Outlook email encryption

An app running on a CentOS 7 web server needs to receive encrypted emails sent from users of MS Outlook. Can someone please provide explicit instructions as to how I can generate or procure all of ...
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votes
1answer
46 views

How to verify whether randomness was written to a device and what exactly has been written?

I am preparing a device with shred to use it later on encrypted with dm-crypt/cryptsetup/luks. How can I check the device before and after using shred or e.g openssl/dd with /dev/urandom to be sure ...
0
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0answers
84 views

Running python to unlock luks full disk encryption

I wish to make use of full disk encryption using Luks on ubuntu 14.04. However, i wish to make use of my own python script to carry out the functionality of generating the decryption key during device ...
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1answer
299 views

mkpasswd on Centos 7 does not support -m flag [duplicate]

I cannot find how to install grub-crypt either. How can I generate SHA512 pass hashes on Centos 7? Edit: I was actually trying to look up how to generate hashes with an adjustable number of rounds. ...
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0answers
42 views

smb.conf - where do I set key and certificate for 'smb encrypt' transport encryption?

Reading smb.conf man page I can enforce encrypted smb transport; smb encrypt = mandatory. Where do I set the keys to use for the encrypted transport? I was expecting something like apache2: ...
0
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1answer
595 views

What ciphers do I need to disable in tomcat to match a specific apache conf?

I have instructions to disable weak ciphers in apache by adding SSLCipherSuite ALL:!MD5:!aNULL:!ADH:!eNULL:!LOW:!EXP:RC4+RSA:+HIGH:+MEDIUM to my httpd.conf. I am actually running tomcat, and in my ...
0
votes
1answer
289 views

Shibboleth SP - Signing and Encryption Key

I have a Shibboleth SP installed on Server 2012 R2. I tried to submit the metadata to be imported into the IDP and was told that without having the signing or encryption key, they won't be able to ...