Security

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Installing Adito/OpenVPN-ALS On CentOS

Installing Adito/OpenVPN-ALS On CentOS

OpenVPN-ALS, formerly known as Adito, is not to be confused with OpenVPN. They both brilliant tools that work in completely different things, but in a similar way. Confused? Excellent… OpenVPN-ALS (from now on known as Adito, because I find it less confusing) is a browser based SSL VPN that enables you to acess resources on your own network, even if you are behind a restrictive proxy and/or firewall.

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.

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.

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.

How To Set Up An IPS (Intrusion Prevention System) On Fedora 17

How To Set Up An IPS (Intrusion Prevention System) On Fedora 17

Vuurmuur is a linux firewall manager. It takes a human readable rule syntax and turns it into the proper iptables commands. It supports logviewing, traffic shaping, connection killing and a lot of other features. Suricata is a relatively new network IDS/IPS. It's multithreaded for performance, supports IDS and IPS modes, can extract files from HTTP streams and has a lot of other features. Fedora 17 includes both Vuurmuur and Suricata in its repository. In this howto I'll describe how to get a functional IPS using only Fedora packages.

Chrooting Apache2 With mod_chroot On OpenSUSE 12.2

Chrooting Apache2 With mod_chroot On OpenSUSE 12.2

This guide explains how to set up mod_chroot with Apache2 on an OpenSUSE 12.2 system. With mod_chroot, you can run Apache2 in a secure chroot environment and make your server less vulnerable to break-in attempts that try to exploit vulnerabilities in Apache2 or your installed web applications.

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