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

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2
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2answers
2k views

How to mount encrypted volume at login (Ubuntu 12.04, pam_mount)

I'm trying to get pam_mount working on Ubuntu 12.04. I have /dev/sda1 (encrypted partition) with /dev/dm-1 (ext4 formatted) inside it. Should ~/.pam_mount.conf.xml be trying to mount /dev/sda1 or ...
2
votes
2answers
294 views

Does dm-crypt support journaling filesystem transactional guarantees?

I'm considering using ext4 on encrypted LVM (which uses LUKS and dm-crypt). Will the transactional guarantees in ext4's journaling be preserved? Bonus: where may I find authoritative information ...
1
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1answer
1k views

What are the options for storing encrypted data on FreeNAS?

I'm looking at implementing a mirrored pair of FreeNAS servers as file repositories. The only question still to be answered is the physical security. I typically encrypt the underlying drives on all ...
1
vote
1answer
2k views

VPN Encryption Domain

I'm trying to connect to a counterparty using VPN IPsec. I have a standard cable broadband connection with a single static IP address. The counterparty have asked me for my "Public IP Address Assigned ...
1
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2answers
663 views

Encrypt communication between mail servers

I'm using my own root server for my email accounts. All the traffic between my pc and my server is encrypted. Is there a possibility to force my email-server to communicate with other email-servers ...
0
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1answer
736 views

Wireshark/encryption and openvpn

I have a linux openvpn router and a home dsl modem. The dsl modem has port 1234 open and forwards it onto eth0 on the linux router. I can connect to the router from a remote location no problem. All ...
3
votes
1answer
571 views

Are there any Microsoft Exchange Clients for iOS and Android that store their local data in an encrypted manner?

I don't feel like this is a product recommendation question, more of a "does this tech even exist and is it feasible" question, but if I'm wrong, feel free to give this question the boot. Context: ...
2
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2answers
1k views

Xerox scan to email and Exchange

We have two Xerox devices, a 7120 and a 7556 that we are trying to get to scan-to-email through our exchange 2010 server. Currently they are able to do so to local recipients by not authenticating. ...
2
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3answers
1k views

decrypting AES files in an apache module?

I have a client with a security policy compliance requirement to encrypt certain files on disk. The obvious way to do this is with Device-mapper and an AES crypto module However the current system ...
1
vote
2answers
168 views

Encrypting traffic on remote end of SSH tunnel

Using an example of someone connecting to a VPS, an SSH tunnel will encrypt any traffic coming from the user to the VPS. Once it reaches the VPS network, the traffic is not encrypted and is easily ...
2
votes
2answers
1k views

Different results from GnuPG and OpenSSL when using AES256 encryption

Text: apple Pass: password openssl aes-256-cbc -e -a -in apple.txt Output: U2FsdGVkX1/sqDrVkgk/7dKiCfLW+1/bgvRT/YAopJQ= gpg -c --cipher-algo AES256 apple.txt Output: ...
12
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3answers
8k views

SSL Certificate Class 2 vs Class 3 vs Class 4

I just got a "Premium EV SSL Certificate" form GoDaddy.com. Apparently as of 8 months ago GoDaddy doesn't provide Class 3 Certificates. ...
5
votes
2answers
414 views

Windows Server 2008 BitLocker

I would like to configure whole disk encryption on all of my Domain Controllers. Is BitLocker an acceptable method to do this? What are the potential problems with whole disk encryption on a Domain ...
-1
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2answers
351 views

Whole Disk Encryption and Dropbox [closed]

What is the best way to configure whole disk encryption on two laptops sharing a Dropbox? If I encrypt both drives, what will happen to the Dropbox files?
5
votes
2answers
2k views

How to detect Dell TPM from inside Windows?

I need to know whether my server has TPM installed. It is located 10000 miles away from me so going there to look at the BIOS is not an option. It is also not anyhow described on the Dell website nor ...
1
vote
1answer
278 views

Is Intel AESNI supported by Xen in VPS/Cloud hosting environments?

I'm having trouble determining whether when using a hosting company that uses Xen virtualization and Intel processors with AESNI embedded encryption, I would have access to AESNI (i.e., is it an ...
1
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2answers
1k views

Can't decrypt imaps traffic in Wireshark

I have currently problems to decrypt IMAPS Traffic in Wireshark. I set up the SSL Key with the correct IP Address, Port 993 and Protocol imap. The Key is the correct one. That is what I see in the ...
6
votes
2answers
3k views

Are there huge drawbacks to using an excel 2010 document for password management?

At my old job, we used an open-source, (IMO) secure method for managing network infrastructure, and other important hosts' passwords [with Keepass]. At my new job however, it seems like they're using ...
3
votes
2answers
444 views

Do I need to back up the SQL Server Encryption Password and Symmetric Key?

I'm trying to setup SQL Server to use Cell-Level Encryption on some sensitive data. It seems straightforward per this example on the MSDN: Create the Master Key with a strong password. Create a ...
0
votes
1answer
606 views

Wildcard certificate with SAN

I am attempting to create a wildcard SSL cert with a Subject Alternative Name (SAN) for use in IIS 7.5 and I'm having some issues. Because I need to include a SAN, I am using the Custom Certificate ...
3
votes
1answer
518 views

Linux LTO-4/5 Drive Encryption

For a number of reasons I have been trying to find a way to encrypt my backup tapes. I'm currently running Bacula for my backups and it's support for Drive based encryption is I have to call a script ...
7
votes
2answers
1k views

Approaches for Linux server disk encryption

What are the approaches available for fully encrypting a disk on a remote server (say, colocated in a datacenter)? On Windows, we can just turn on Bitlocker with a TPM. Then the server can reboot, and ...
2
votes
1answer
87 views

practical document encryption in shared environment

I can't seem to find a good, practical way to encrypt documents on a shared drive... This is a samba share on centos using ADS auth. The primary doc format will be PDF. Is there a good on-thy-fly ...
1
vote
1answer
522 views

Configure Apache2.2 as http to https encrypter/converter

I am using Apache 2.2 on SUSE 10 with mod_ssl. My problem: I want to connect a client(supporting only http) to a Server(supporting only HTTPS). So I thought of deploying Apache as a proxy to convert ...
1
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1answer
333 views

fully encrypted MediaWiki base

Is it possible to completely encrypt a MediaWiki installation? I'm not looking for a way to finely control access rights or have some encrypted articles or even just parts of articles encrypted. ...
1
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3answers
287 views

Is there a way to have all virtual servers use the same SSL certificate without having multiple IPs?

Is there a way to have all virtual servers,in Apache, use the same SSL certificate without having multiple IPs? I know that you can use a certificate on one site, per port and per IP, but can I make ...
0
votes
2answers
1k views

HTTPS Proxy which answers CONNECT with own certificate

I'm configuring a DMZ which has the following Scheme: Internet - Server A - Security Appliance - Server B - Intranet In this DMZ I need a Proxy server for http(s) connections from the Intranet to ...
1
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0answers
684 views

How to encrypt a section within web.config using aspnet_regiis -pe or -pef

I am a developer trying to encrypt part of my web.config file in an ASP.NET site (first time I've tried this...). Having repeated failures with all types of syntax changes, so perhaps better to post ...
-1
votes
1answer
634 views

Filesystem encryption settings during install?

I'm installing CentOS 6.1 on a server and exploring the encryption settings in combination with software RAID. Should I encrypt the drive partition, the software RAID device, or both? Should I ...
1
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1answer
115 views

ZFS: can per-user encrypted filesystems be deduplicated on block-level?

Let's assume I build a storage system where each user gets his/her own encrypted filesystem on top of a ZFS pool. Would deduplication on pool-level still work when each fs is encrypted? What ...
0
votes
2answers
926 views

Encrypt each users home Centos 6 and access from windows?

I'm trying to set up a shared drive for my team using Centos. The team might have root privileges through sudo on this system. The over all goal is under /home/ have each member dir be encrypted so ...
0
votes
3answers
186 views

Does this hard disk drive support hardware-based full disk encryption? What are some effective interrogation tactics?

I am trying to determine if a particular hard disk drive supports hardware-based full disk encryption. I know I can use the model number and check the manufacturer's website, but that is only feasible ...
0
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1answer
248 views

EncFS and automated back-up

When using EncFS to encrypt a file on a VPS, will the file be stored encrypted or unencrypted in the automated back-ups taken by the host? (Assuming that the file is unlocked when the back-up is ...
1
vote
1answer
358 views

DB encryption for Django web app without storing key on server

We are setting up a virtual private server (not hosted by us), on which we will be user testing our Django-based web application. The user-generated content produced in these tests will be very ...
1
vote
5answers
2k views

Encryption between a LAN switch and an end device

What standards/protocols/products exist that support encryption of all data sent between a device (e.g. a workstation) and a LAN switch? Something like WPA for WLAN.
2
votes
2answers
958 views

Variable size encrypted container [closed]

Is there an application similar to TrueCrypt, but the one that can make variable size containers opposed to fixed-size or only-growing-to-certain-amount containers which can be made by TrueCrypt? I ...
-1
votes
4answers
101 views

File and Database encryption [closed]

Just curious what do you guys use for file or database encryption? Any good programs out there or techniques employed for securing IT personal information? Main reason is the company I work for has ...
34
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13answers
57k views

How to create an SHA-512 hashed password for shadow?

The previous SF questions I've seen have lead to answers that produce MD5 hashed password. Does anyone have a suggestion on to produce an SHA-512 hashed password? I'd prefer a one liner instead of a ...
7
votes
1answer
423 views

State of hardware-assisted disk encryption in Linux

I use dm-crypt to encrypt partitions. I am building a small office server from consumer (or pro-sumer) category hardware. It made me wonder, hardware-assisted encryption is a notion in the air for ...
1
vote
1answer
28 views

How to provide encryption across file, folder, and email for small company

I'm the 1/2 time IT person for a small company. We run a MS environment using a Server 2003 Domain Controller, MS Storage Server 2003, and Exchange 2003. It finally occurred to them that I as an ...
1
vote
1answer
226 views

Adding column-level encryption after-the-fact in SQL Server 2008?

I am writing a web-app that will, at some point in the future, need to perform column-level encryption of a portion of the data it stores to our database running on SQL Server 2008 Express. It would ...
26
votes
2answers
16k views

I have a keypair. How do I determine the key length?

Using OpenSSL from the command line in Linux, is there some way to examine a key (either public or private) to determine the key size?
1
vote
1answer
660 views

Encryption on Solaris (using Keystore)

I am trying do draft up a secure way to encrypt (on the fly, invoking it from an app) and decrypt sensible information (credit cards) using AES-256. The target platform is: cat /etc/release ...
0
votes
1answer
161 views

Authenticate user(group) and encrypt port 8078 on a server using SSH2 keys?

I want to encrypt and authenticate port 8078 on a server running Jenkins using SSH keys (I'll pass our the public or private key as needed), and keep 8078 from being accessed by anything but SSH. I ...
1
vote
1answer
1k views

RHEL package containing JCE (Java) Unlimited Strength Jurisdiction Policy Files to support higher level encryption?

Are there packages for RHEL and distros based on it (CentOS, Scientific Linux, etc.) that contain the Java Cryptography Extension (JCE) Unlimited Strength Jurisdiction Policy Files so that higher ...
0
votes
1answer
149 views

EFS encrypted files cannot be opened, even with the right key

I created a folder on my Win7 Pro machine, set it to encrypt contents to protect data. Then I opened MMC, added the Certificates snap-in for "my user account", expanded Certificates - Currrent User > ...
1
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1answer
1k views

Can I encrypt a single folder in Windows Server 2008 R2 with BitLocker?

Using Windows Server 2008 R2, is there a way to encrypt a folder, not the whole disk using Bitlocker?
1
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2answers
710 views

GELI / ELI at FreeBSD - changing passphrase

How can I change/replace the passphrase of an encrypted eli provider in FreeBSD? Do I have to recreate the entire provider and copy data, or is there a simpler and faster way? I've looked in the man ...
0
votes
2answers
570 views

Encrypting/Decrypting MPEG-2 Transport Stream in realtime [closed]

I have to send unicast mpeg2ts stream from one datacenter to another (dc1 to dc2). The output I get from encoder bank in dc1 is not encrypted and I need to encrypt it before sending it to dc2. At dc2 ...
2
votes
3answers
602 views

How do I configure an SSL only site, in a way that doesn't affect browser connection limits

The Yahoo Developer Best Practices recommend using multiple hosts (host1.company.com, host2.company.com, etc..) as a way of overcoming a webbrowsers built in limitation of only issuing two concurrent ...