Category Archives: Security

What is Baruwa ?

It provides an easy to use interface for managing a MailScanner installation. It is used to perform operations such as releasing quarantined messages, bayesian learning, whitelisting and blacklisting addresses, monitoring the health of the services etc. Baruwa is implemented using web 2.0 features (AJAX) where deemed fit, graphing is also implemented on the client side using SVG, Silverlight or VML. Baruwa has full support for i18n, letting you support any language of your choosing.

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SquidGuard Web Filter For Squid 3.x

How do I install and configure SquidGuard – a web filter plugin for Squid to restrict access to domains/URLs based upon access control lists? How do I block porn, gambling, and other web-sites using squid proxy server version 3.x under Debian or Ubuntu Linux server for my school ?

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IPSEC VPN with Strongswan 5

This howto describes setting up an IPSEC VPN for use with the Iphone, Ipad and Mac OSX VPN clients on Centos/RHEL 6. I am using the 5.x branch of Strongswan which is now the mainline actively maintained branch. At the time of writing the 5.x EPEL package was only available in the testing repo.

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Filed under Apple, Network, Security

Authenticating Wi-Fi Users with FreeRADIUS

Businesses can use a good stout RADIUS server to authenticate any network client. Dial-up, DSL, virtual private networks (VPN), wireless networks – you name it, RADIUS will authenticate it. If you’re ready to learn how to set up a FreeRADIUS server to authenticate users for a wireless network, test new configurations safely, and configure a wireless access point and clients to use the new FreeRADIUS server, you’ve come to the right place.

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TrueCrypt – open source encryption

Everyone has secrets. Some of yours probably live on your computer. If you want to keep digital information private, locking it behind a password won’t really keep it secure. The only real solution is encryption, which scrambles the contents of files, making them unintelligible to anyone without the digital key to unscramble them. TrueCrypt can encrypt and decrypt files, documents, and even entire filesystems.

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Zentyal – The Linux Small Business Server

Manage all your computer network services through one single platform. Zentyal is a Network Gateway, Unified Threat Manager, Office Server, Infrastructure Manager, Unified Communications Server or a combination of them. All services based on the same technology and fully integrated. For the first time you can make your network act as one single unit.

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Filed under Data-center, Security, Unified Communication

About LinOTP

LinOTP is an open solution for strong two-factor authentication with One Time Passwords. This new LinOTP 2 is truely open in two ways. The core modules and basic necessary components are licensed under the AGPLv3, so that you are able to have a complete working open source solution. But LinOTP 2 is also open as far as its modular architecture is concerned.   LinOTP 2 aims to not bind you to any  decision of the authentication protocol or it does not dictate you where your user information should be stored. This is achieved by its new, totally modular architecture.

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Risk Analysis with verinice

verinice is a tool for managing information security. 

You can use verinice for:

  • establishing, maintaining and improving an ISMS based on ISO 27001
  • assuring the compliance with standards such as ISO 27002, BSI IT-Baseline Security, VDA IS-Assessments and many more
  • performing risk analysis based on ISO 27005
  • auditing, document management, report generation and much more

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How To Install And Use MyDLP

This document can be used as a guide to installation of MyDLP Appliance. It also describes the basic usage. MyDLP is an easy, simple and open DLP (data loss prevention) solution, licensed under GPLv3. MyDLP 1.0 is released on 10 November 2010. MyDLP Appliance is a distribution based on Ubuntu Server. The distribution comes as a easy to deploy key solution. Protecting customer records, securing confidential files, data flow enforcements… they are all achievable within 30 minutes.

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syslog-ng – The central syslog server

The syslog-ng Open Source Edition is the direct descendant of the syslog-ng project that started ten years ago. This free, open-source version is an extremely well-developed, high performance, stable system being the Linux/Unix world’s most frequently used alternative central logging system.

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Open Source Mail Filter Framework

spmfilter is a high-performance mail filtering framework, written in C. It attempts to be a general filtering framework for any purposes. Filtering mechanisms are provided by plugins, the API enables spmfilter plugins to access messages as they are being processed by the MTA. This allows them to examine and modify message content and meta-information during the SMTP transaction.

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SNARE – Auditing and EventLog Management

SNARE (System iNtrusion Analysis and Reporting Environment) is a series of log collection agents that facilitate centralised analysis of audit log data. Agents are available for Linux, Windows, Solaris, IIS, Lotus Notes, Irix, AIX, ISA/IIS.

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ForgeRock OpenAM

ForgeRock OpenAM is the market leading open source Authentication, Authorization, Entitlement and Federation product. ForgeRock provides the community with a new home for Sun Microsystems’ OpenSSO product.

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sslh – ssl/ssh multiplexer

sslh lets one accept both HTTPS and SSH connections on the same port. It makes it possible to connect to an SSH server on port 443 (e.g. from inside a corporate firewall) while still serving HTTPS on that port.

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Filed under Network, Security, Utility

UCSniff Overview

UCSniff is a VoIP & IP Video Security Assessment tool that integrates existing open source software into several useful features, allowing VoIP and IP Video owners and security professionals to rapidly test for the threat of unauthorized VoIP and Video Eavesdropping.

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Filed under Security, VoIP