Encryption is transforming information through a cipher to protect it.

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0
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1answer
116 views

dmcrypt container on nfs

I'm setting up an encrypted file storage on a remote server and I want to be able to use it transparently on my system. I want to be able to de-/encrypt them locally so that the server hosting the ...
1
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3answers
1k views

Why is it considered bad practice to only protect one page with SSL instead of whole website

I know that protecting all pages with SSL will slow down the website and add overhead to the server resources. I also see many other websites only protecting their login and registration page, which ...
1
vote
1answer
341 views

List of SSL Cipher Support by Browser

Not really sure if this is the appropriate SE to post this to, but here it is: Is there some online reference for what SSL ciphers are supported by the various browsers? Basically, I'm interested in ...
1
vote
1answer
123 views

Remotely unlock Hardware disk encryption

I am setting up a remote server at a collocation for a client and their primary request is that the data be encrypted beyond the boot partition. The main system will be in a dm-crypt LUKS container on ...
0
votes
1answer
936 views

Associate SSL certificate for SQL Server which does not use the FQDN

We would like to connect securely to SQL 2008 R2 over the internet for reporting purposes. Speed is not a huge concern for these smaller data sets, and users are going to be using simple reporting ...
2
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1answer
366 views

Pure FTPd and MySQL, working with sha512

I'm currently developing an application for shared hosting, using a complete MySQL backend for the machine. I've set up all my services, and they're quite operational, however I've a little problem ...
-2
votes
1answer
82 views

Ho to encrypt part of config data file?

I work in small company. When i am going on holiday i had to take root access to my junior. That junior could give access to another man. Unfortunately I can't control this proccess. I would like that ...
12
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2answers
525 views

Why do my two ssh public keys have the same beginning?

I was updating the authorized_keys file on my server with the public key for the new laptop I got and I was surprised to discover that the two public keys began the same: # key 1 ssh-rsa ...
1
vote
1answer
197 views

File content is being modified sent over ftp

I am using openssl to encrypt my backups before send it to an ftp server where I store them. At first, when I tried to decrypt the files I was getting this error: openssl rsautl -decrypt -inkey ...
7
votes
2answers
4k views

Is STARTTLS more safe than TLS/SSL?

In Thunderbird (and I assume in many other clients, too) I have the option to choose between "SSL/TLS" and "STARTTLS". As far as I understand it, "STARTTLS" means in simple words "encrypt if both ...
2
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2answers
2k views

How secure/private is full disk encryption on a VPS? [duplicate]

Security principles say that if someone else has physical access to a machine, then there is no security/privacy. I'm wondering about some examples of this in the case where I want to have a hosted ...
-1
votes
1answer
477 views

MACSec encryption over PBN?

This came up in a more generic link layer encryption question: Commodity switches with MACSec hardware offers wirespeed AES-GCM encryption at a fraction of the cost typically associated with layer 2 ...
10
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2answers
644 views

Encryption over gigabit carrier ethernet

I would like to encrypt traffic between two data centres. Communication between the sites is provided as a standard provider bridge (s-vlan/802.1ad), so that our local vlan tags (c-vlan/802.1q) are ...
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votes
2answers
268 views

How does The Pirate Bay mask itself from its VPS providers? [closed]

From https://torrentfreak.com/pirate-bay-moves-to-the-cloud-becomes-raid-proof-121017/ The hosting providers have no idea that they’re hosting The Pirate Bay, and even in the event they found out ...
2
votes
1answer
217 views

Encrypting peer-to-peer application with iptables and stunnel

I'm running legacy applications in which I do not have access to the source code. These components talk to each other using plaintext on a particular port. I would like to be able to secure the ...
1
vote
1answer
163 views

Truecrypt Boot Volume - Keyfiles?

I am actively using keyfiles for non-boot partitions and files (containers?), but I am wanting to bring this into the full system with a boot partition containing my OS (Windows or Linux). However, I ...
-3
votes
1answer
40 views

The search for low traffic backup software [closed]

I'm an IT manager and i'm looking for an backup software that will stand some requirements: Minimum traffic between the server and the client. Encrypted the data while it transfer it. Automated. ...
1
vote
2answers
136 views

Cisco IOS Setting up a password/secret

I'm figuring out the basics to CISCO Ios commands and I am struggling to find out the answer to the following question: What would provide a better protection when you set up a password to allow ...
-6
votes
2answers
115 views

Authentication of both client and server in subscription based model [closed]

My current business model takes a loss upfront on hardware in the hopes that the service will be paid for continuously. When service is not paid for the instructions are sent to the client hardware to ...
5
votes
1answer
155 views

Determine if LUKS/dmcrypt key is present

I am writing a Chef LWRP to add a key to a LUKS container and I'm having difficulty coming up with a way to determine whether or not my key already exists. cryptsetup luksAddKey will happily add the ...
1
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2answers
170 views

Office 365 E3 with Exchange Hosted Encryption (EHE)

I have a client who wants to move to Office 365. They are currently running on a trial of Office 365 E3 plan. My staff are now also using Office 365 E3 via the internal use licenses provided as part ...
-1
votes
2answers
520 views

Installing linux on a McAfee Endpoint Encryption encrypted hard disk [closed]

Work have issued us all laptops - which is great but it has Windows 7 installed on it with McAfee hard disk encryption for security/insurance reasons. I use Ubuntu on my workstation although the IT ...
1
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0answers
113 views

udev rule for disconnection and hibernate/suspend

I have an external hard drive which contains different GPT partitions. One of them is a LVM partition. This partition is contained in a LVM volume group (called "volga"), which in turns splits into ...
1
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1answer
74 views

Bitlocker whole disk encryption on second (non-boot) drive

I'm working on a project where I need to encrypt only the data drive on a machine and I don't want there to be any user interaction at the console on boot. These systems will be running at remote ...
1
vote
2answers
264 views

Secure a VMWare Image without Manual Password Entry

I stand before the following task: A VMWare "template" (based on SLES11) with custom software, that is to be distributed to some clients. They will receive a client specific copy of the template and ...
1
vote
0answers
80 views

Expanding raid5 software raid

I have recently bought 4 2TB drives to expand my existing 4*2TB raid5 setup, using mdadm software raid in debian. As a initial step, I have created a raid5 on the four new drives and created an ...
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votes
2answers
2k views

How can system admins track employees Gmail chat [closed]

I am in a company where i have been warned about using chats. I spoke with one of the admin and he said every chat is being Monitored; ok i agree it can be if we use plain text but what if we use ...
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votes
1answer
111 views

On the fly encryption of data ( not your average type) [closed]

I'm looking to build my first nas. And i intend to connect over the internet to it. Because i will have some work documents too on it i want to make it as secure as possible. I have no ...
28
votes
7answers
13k views

What is a good solution to encrypt some files in unix?

I am looking for a utility to encrypt certain directories in Linux. I am not looking for any full disk encryption services, but simply to encrypt a few directories for the purposes of storing files in ...
0
votes
1answer
162 views

Can encfs be compromised if attacker knows a file name on the encrypted file system?

Good morning, I was wondering, if encfs also encrypts the file names (presumably using the same key as that used to encrypt their contents) such that each encrypted filename or directory corresponds ...
2
votes
1answer
186 views

Does enigmail for thunderbird encrypt title of message

From what I've read, encrypting an email with pgp/mime with thunderbird+enigmail will encrypt the entire message including attachments. Does this also include the message subject title? If not, is ...
2
votes
0answers
862 views

Outlook 2010 cannot reply to encrypted email

A coworker and I occasionally use encrypted email to send passwords. We both are using Outlook 2010, and both of our Digital IDs were created by the same authority. For my coworker, creating, ...
0
votes
1answer
211 views

Automate HP ProtectTools using MDT

Our company is currently using HP ProtectTools to perform Drive Encryption on our HP laptops. I recently built an MDT 2012 Deployment Share to automate our imaging process and would like to find a way ...
5
votes
2answers
1k views

Is it possible to have a 100% secure virtual private server?

I am curious if it is possible to have a VPS that has data on it that is not readable by the hosting provider, but is still usable on the VPS. Obviously there are some things that you could do to ...
0
votes
1answer
233 views

Aside from tools like 7-Zip, AxCrypt, and Kryptel, what is available that has multicore functionality and does AES-256? [closed]

I have a PowerEdge 1950 with 2 x E5405 2.00Ghz CPUs and 4GB of RAM sitting around. It's currently not doing anything at all so it's a perfect fit for this task. I have traditionally used 7-zip's ...
1
vote
1answer
251 views

Configuring encrypted e-mail in Outlook 2010

So we're setting up encrypted e-mail for our client running SBS with Exchange 2010 and Outlook 2010 on about a dozen machines (one running Outlook 2003, we're trying to talk them into upgrading it). ...
2
votes
1answer
712 views

How to decrypt files on a Windows domain, without user account password?

I have a Server 2008 file server, and and while here an employee encrypted several files, and has now since left to seek greener pastures. I want to decrypt the files, so others can access them. Can ...
13
votes
5answers
887 views

Encrypted offsite backups - where to store the encryption key?

In addition to regular onsite backups (kept in a fire resistant safe), we also send tapes offsite once a month, encrypted with AES. So if our site is one day vaporised by an alien heat ray, we should ...
2
votes
2answers
673 views

PGP decryption fails with error for one file

We store database backups encrypted with PGP Command Line 9.7.0. Files look like 2009.bak.pgp Here's command line used to backup these files: pgp --encrypt F:\2009.bak --recipient admin@company.mail ...
0
votes
3answers
2k views

Mount EncFS at boot

am trying to get an EncFS encrypted home to mount at boot without user input (directly, not via ssh). Have tried various solutions (adding a volume entry in pam_mount.conf.xml, various tweaks to ...
2
votes
1answer
198 views

Access denied to EFS encrypted files after PC joins domain

I'm experiencing strange behavior with Windows Encrypted File System: I have a machine that is in workgroup mode (not joined to a domain) I encrypt an entire directory structure on the machine ...
1
vote
1answer
211 views

MariaDB + PAM: Is Remote Auth Secure?

I have a MariaDB instance which is using PAM to auth against Active Directory. Is remote authentication with this service secure? I ran a Wireshark trace during the auth process, and passwords are not ...
0
votes
1answer
708 views

PPTPd - configuration error?

an 5 01:09:12 vpn pptpd[1832]: GRE: read(fd=6,buffer=611860,len=8196) from PTY failed: status = -1 error = Input/output error, usually caused by unexpected termination of pppd, check option syntax ...
8
votes
1answer
5k views

How does the ssh-keygen .pub format work with .pem files?

The ssh-keygen command generates .pub files which it describes as "public key files", but they are a totally different format to most "public key files" I've usually seen, which are in PEM format. ...
12
votes
3answers
5k views

How to disable swap files in ESXi?

We are running a few Solaris / Linux VMs on ESXi that contain very sensitive encrypted data that eventually get decrypted as required in memory. Everything is fine, except for the ESXi swap files ...
3
votes
3answers
275 views

openssl blowfish key limited to 256 bits?

I get the following error if I give a key that is greater than 64 hex caracters (64*4=256 bits). According to this official document, blowfish is able to support key from 32 to 448 bits. ...
2
votes
0answers
56 views

How to encrypt disk transparently without destroying data [closed]

On a Linux system, be it Debian, Redhat or any distro, I would like to encrypt the disk on the fly. That is, encrypt the disk transparently to the OS whilst it is running, reboots, shuts down etc. In ...
0
votes
0answers
82 views

Amazon S3 - Storage Class and Server Side Encryption

Ahhh! I am using Amazon S3 for some low price storage to clear down out SAN. I created the bucket and created a root folder. I set the storage class to standard and server side encryption AES. I ...
1
vote
1answer
416 views

Why are these dmsetup commands there?

On this page are there examples of LUKS encryptions. Example below. Why are the dmsetup commands there? What do they do? dd if=/dev/zero of=./volumes/vol_default.vol bs=1M count=1 losetup ...
4
votes
1answer
275 views

Active Directory reversible encryption for single sign-on?

Problem: Creating and maintaining hundreds of student accounts The school where I work runs Active Directory on Server 2008. Every year, our students have to sign up for accounts with a third-party ...