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The Perfect SpamSnake - Ubuntu Jeos 12.04 LTS Precise Pangolin

The Perfect SpamSnake - Ubuntu Jeos 12.04 LTS Precise Pangolin

This tutorial shows how to set up an Ubuntu Jeos based server as a spamfilter in Gateway mode. In the end, you will have a SpamSnake Gateway which will relay clean emails to your MTA. You will also be able to view your incoming queue, train your SpamSnake and carry out a few more advanced operations via Baruwa.

Encrypt Your Data With EncFS (OpenSUSE 12.2)

Encrypt Your Data With EncFS (OpenSUSE 12.2)

EncFS provides an encrypted filesystem in user-space. It runs without any special permissions and uses the FUSE library and Linux kernel module to provide the filesystem interface. It is a pass-through filesystem, not an encrypted block device, which means it is created on top of an existing filesystem. This tutorial shows how you can use EncFS on OpenSUSE 12.2 to encrypt your data.

Encrypt Your Data With EncFS (Fedora 17)

Encrypt Your Data With EncFS (Fedora 17)

EncFS provides an encrypted filesystem in user-space. It runs without any special permissions and uses the FUSE library and Linux kernel module to provide the filesystem interface. It is a pass-through filesystem, not an encrypted block device, which means it is created on top of an existing filesystem. This tutorial shows how you can use EncFS on Fedora 17 to encrypt your data.

How To Integrate ClamAV Into PureFTPd For Virus Scanning On Ubuntu 12.10

How To Integrate ClamAV Into PureFTPd For Virus Scanning On Ubuntu 12.10

This tutorial explains how you can integrate ClamAV into PureFTPd for virus scanning on an Ubuntu 12.10 system. In the end, whenever a file gets uploaded through PureFTPd, ClamAV will check the file and delete it if it is malware.

Encrypt Your Data With EncFS (Ubuntu 12.10)

Encrypt Your Data With EncFS (Ubuntu 12.10)

EncFS provides an encrypted filesystem in user-space. It runs without any special permissions and uses the FUSE library and Linux kernel module to provide the filesystem interface. It is a pass-through filesystem, not an encrypted block device, which means it is created on top of an existing filesystem. This tutorial shows how you can use EncFS on Ubuntu 12.10 to encrypt your data.

Set Up DKIM (DomainKeys Identified Mail) Working With Postfix On CentOS Using OpenDKIM

Set Up DKIM (DomainKeys Identified Mail) Working With Postfix On CentOS Using OpenDKIM

This tutorial shows how to get DKIM working on a CentOS box running Postfix using OpenDKIM, I'll also cover some simple trouble shooting tips and advice for future upgrade on your OpenDKIM installation.

Blocking Facebook Web Trackers At The Firewall For Extra Privacy

Blocking Facebook Web Trackers At The Firewall For Extra Privacy

If you've spent any time examining the network traffic to and from your web browser, you will notice the prolific number of trackers embedded in the pages. There are some add-ons to the web browsers that aid in privacy, but it is simple enough to block the rogue sites at the firewall.

Virtual Users And Domains With Postfix, Courier, MySQL And SquirrelMail (Ubuntu 12.10)

Virtual Users And Domains With Postfix, Courier, MySQL And SquirrelMail (Ubuntu 12.10)

This document describes how to install a Postfix mail server that is based on virtual users and domains, i.e. users and domains that are in a MySQL database. I'll also demonstrate the installation and configuration of Courier, so that Courier can authenticate against the same MySQL database Postfix uses. The resulting Postfix server is capable of SMTP-AUTH and TLS and quota. Passwords are stored in encrypted form in the database. In addition to that, this tutorial covers the installation of Amavisd, SpamAssassin and ClamAV so that emails will be scanned for spam and viruses. I will also show how to install SquirrelMail as a webmail interface so that users can read and send emails and change their passwords.

How To Secure Apache2 With LinOTP

How To Secure Apache2 With LinOTP

This Howto describes the way to set up two factor authentication with one time passwords for Apache2. We assume, that you have already set up your LinOTP server. You can download Debian and Ubuntu packages or you can install the system using the Python Package Index. It provides a good quick start to get the service up and running for demo purposes (check for the latest version).

How To Set Up OpenVPN To Authenticate With LinOTP

How To Set Up OpenVPN To Authenticate With LinOTP

This howto will show you the way to set up OpenVPN to authenticate users against the LinOTP authentication backend. Thus you can bring up your VPN using two factor authentication with different kind of OTP tokens. The interesting part is, that we will also use client certificates, so that the VPN only gets established if the machine has the right client certificate and the user has the right OTP token.

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