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

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7 views

What could be causing traffic with URL parameters rotated by a caesar cipher? [duplicate]

Customers coming into our website from our newsletter go through an email tracker through a url like: https://www.domain.com/email/tracking?u=https%3N%2S%2Swww.domain.com&e=aA-bB_cC Where url ...
2
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1answer
42 views

Cryptsetup luks - Check that kernel supports aes-xts-plain64 cipher

I encrypted a bunch of hard drives with cryptsetup luks encryption on CentOS 5. Everything was fine, until I upgraded my system to CentOS 6. Now I cannot mount the disks anymore. To mount with my ...
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0answers
12 views

OpenVPN Confusion - Server and client on one machine? [closed]

I have searched all over the internet and tried so many things.. but I cannot seem to figure this out. I have a Raspberry Pi. I have an ethernet, but I have access to a wireless if I needed it. 1. ...
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1answer
14 views

Cannot connect with WPA2 ((AES)) algorithm + EAP-TTLS PAP with freeradius auth

I setup successfully an enterprise wifi connection with LDAP authentication by the mediation of Freeradius. I used EAP-TTLS PAP because I have hashed passwords in my OpenLDAP directory. In case I used ...
-1
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1answer
24 views

Can a remote connetion from outside a LAN be invisible to protocol analyzers such as Wireshark, Process Hacker, Nbtstat? [closed]

When studying the behavior of trojans and (RAT) Remote Access Trojans this question came up. Can an attacker create a trojan that could trick the OS or the NIC into hiding a remote connection to a ...
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0answers
19 views

How to decrypt owncloud backups manually without a working installation?

I recently had a data lack and miss some very important files. Encrypted backups I had an owncloud 8.x instance running on my server last year for keeping backups and already located the wanted ...
-1
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1answer
13 views

Amazon S3: encryption speed and keys

I have couple theoretical questions about Amazon S3 I need to encrypt all my files. What encryption speed Amazon provide for S3? After encryption Amazon gives my key for file (or files package), it ...
1
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1answer
35 views

Dovecot: increase ssl_dh_parameters_length

I'm using Dovecot 2.2.21 I set ssl_dh_parameters_length = 4096. Before that, I had set 2048. After the change I reloaded Dovecot. Since then, SSL doesn't work any more and I get these logs ...
3
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1answer
119 views

How to setup an encrypted L2-Tunnel using MikroTik Routers?

What I would like to achieve I want to securely spread an existing internal subnet over multiple buildings. That means that I have two locations with virtual machines that need to be within the same ...
3
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2answers
25 views

Are Windows internal CA-issued certificates compatible with Mac clients?

I am looking into deploying an internal CA to replace the GlobalSign certificates we use for our internal email encryption: Internal CA would be set up using ADCS in a two-tier hierarchy, no other ...
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0answers
11 views

IIS to SQL Server IPSec configuration

I'm trying to configure 2 servers on a VPC on Amazon AWS to use IPSec. One server has Win2008 R2 with SQL Server 2008 and the other one is a Win 2012 R2 with IIS. I want to secure the connection ...
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0answers
48 views

Bitlocker data drive opens as read only -

I have a virtualized Windows Server 2012R2 running on ESXi 6.0 There are 2 virtual disks in this system, an unencrypted C drive for the OS and a Bitlocker encrypted D drive for data sharing. Bitlocker ...
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1answer
50 views

Fixing security holes on my web server

Full disclosure: I'm largely ignorant on web security matters. I'm a self-taught webmaster, and I manage lifering.org, a WordPress site, as a volunteer for Lifering Secular Recovery. We would like ...
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0answers
34 views

I'm having trouble installing perl module Crypt::OpenSSL::AES

I'm having trouble installing a perl module onto my server called Crypt::OpenSSL::AES I'm using cpan to try to install it but it keeps coming back with an error: Checking if your kit is ...
1
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0answers
44 views

Allowing IIS_IUSRS to encrypt & decrypt files [closed]

I have a simple ASP.NET site (on Windows Server 2012 R2 & IIS 8.5) for uploading files to a server. I would like to automatically encrypt these files using Windows' built-in Cryptographic Service ...
1
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0answers
16 views

VPN connection drops when using encryption

I have set up VPN server on Windows Server 2012 If I use encryption to connect to the VPN server the connection would drop after 20min, If I dont use encryption the coonection stays fine. The client ...
2
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0answers
29 views

How can I connect *with* RC4 ciphers using a browser on an HTTPS connection

I would like to use a web browser to surf some sites while using the RC4 ciphers so I can verify if logging said connections is working on some load balancers. Is there some way for me to enable and ...
1
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0answers
102 views

MySQL encryption at rest

Context: Rackspace CloudServers. The options I can find are rather slim. Amazon will encrypt the whole disk (meh), Gazzang could encrypt a virtual partition with just the DB files on it (if the ...
35
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7answers
2k views

Is enforcing encryption for SMTP a good idea (yet)?

I am running an email server which is currently set up to use TLS if possible, when sending and receiving emails. When you read in the documentation about this, there is also the option to enforce ...
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2answers
46 views

How can I protect business data from being removed by an employee using encryption? [closed]

I am looking to beef up security on an office network. Aside from the obvious: physical security, limiting user privileges using Active Directory, running a firewall that does stateful packet ...
1
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0answers
18 views

Web encryption on uncontrolled LAN

I have a situation in which I wish to produce (physical hardware) widgets that plug into a LAN and act as a web server, serving content to web clients that are also on the LAN. The traffic from the ...
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1answer
67 views

how do I LUKS encrypt a drive that already has data?

On a CentOS 7 server, I would like to LUKS encrypt the entire hard drive, including a 50GB partition that has already received yum install and a few other updates, but nothing else. But this tutorial ...
2
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2answers
62 views

Allowing multiple users to decrypt pgp emails for one email-address

me and my business partner each have our own company email address for which we use PGP. This allows us to communicate safely with our customers. However in order to communicate securely, the sender ...
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0answers
41 views

Encrypt credentials JNDI authenticating to JBoss 7.1.1.Final

In my JNDI Lookup, connecting to JBoss 7.1.1.Final from remote clients with plain text password is working fine. Now, I am trying to encrypt credentials in the form, but it's not working. ...
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2answers
158 views

Centos, PHP encrypted connection through freeTDS/ODBC to Microsoft SQL Server

I would like to connect from PHP to a Microsoft SQL Server through an encrypted connection. PHP scripts will run from a CentOS release 6.7 (Final) I want to connect to a Microsoft SQL Server 2014 ...
1
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1answer
179 views

How to enable LDAP over SSL/TLS in AD without installing AD Certificate Services

I am installing a Sonicwall firewall into my organization. I've connected the Sonicwall with the Active Directory domain, however now on the status page of the appliance there is a huge warning: ...
2
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0answers
163 views

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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2answers
44 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
55 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
151 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
48 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 ...
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0answers
140 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
27 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
75 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
31 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. ...
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0answers
29 views

Can't setup mount of EncFS on user login

I've tried to setup EncFS to be mounted on user login as described in this guide excluding the Password Utility section, however it works with little success. The EncFS works properly ...
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1answer
302 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
55 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
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1answer
444 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
21 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
43 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
175 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 ...
0
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1answer
147 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
168 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
70 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
votes
1answer
120 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
9 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. ...
2
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1answer
98 views

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

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
40 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
53 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 ...