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Host Based Intrusion Detection - Samhain
This article describes in some detail how to install Samhain, the host based intrusion detection system. I am not going to ramble on about what host based intrusion detection is or why to use it, as there are plenty of articles already covering those subjects. This article is just to show you how to get Samhain up and running in a client / server configuration with a couple bells and whistles thrown in for fun.
WiKID + OpenLDAP + Freeradius Howto
I installed Openldap and freeradius on one (virtual) server and WiKID on another. We believe that this separation of duties is good security policy. In a way it also makes the setup easier because both WiKID and Freeradius listen on port 1812 of the localhost. Both servers are running Centos5.
Configuring Source And Destination NAT With Firewall Builder
Firewall Builder is a firewall configuration and management GUI that supports configuring a wide range of firewalls from a single application. Supported firewalls include Linux iptables, BSD pf, Cisco ASA/PIX, Cisco router access lists and many more. In this tutorial we are going to cover how to use Firewall Builder to configure a NAT rule that translates both the source and destination IP addresses of the original packet. This type of NAT configuration can be useful in a variety of network configurations.
SSL Certificates For PostgreSQL
This describes how to set up ssl certificates to enable encrypted connections from PgAdmin on some client machine to postgresql on a server machine. The assumption is that postgresql (compiled with ssl support) and openssl are already installed and functional on the server (Linux). PgAdmin is already installed on the client (either Windows or Linux).
Installing Honeyd 1.5c And Arpd 0.2 Under CentOS 5 (With gcc 4.x)
This tutorial shows how you can install your honeypot by using Honeyd (Virtual Honeypot). Honeyd is a small daemon that creates virtual hosts on a network. The hosts can be configured to run arbitrary services, and their personality can be adapted so that they appear to be running certain operating systems.
Managing A Single Firewall Policy For Multiple Servers Using Firewall Builder
In this tutorial we are going to cover how to use Firewall Builder clusters to manage a single firewall policy that gets deployed on multiple servers. An example of where you could use this would be managing a shared firewall policy for a collection of web servers that are all providing the same service and should have the same rules.
The Perfect SpamSnake - Ubuntu Jeos 10.10
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.
iRedMail 0.7.0: Open Source Mail Server With Postfix, Dovecot, Amavisd, ClamAV, SpamAssassin, RoundCube (OpenSuSE 11.4)
iRedMail 0.7.0: Open Source Mail Server With Postfix, Dovecot, Amavisd, ClamAV, SpamAssassin, RoundCube, iRedAdmin On OpenSuSE 11.3
iRedMail is a shell script that lets you quickly deploy a full-featured mail solution in less than 2 minutes. Its object is to make a Linux mail server installation and configuration simple, painless and easy to use. Since version 0.7.0, iRedMail supports OpenSuSE (it supports both i386 and x86_64). iRedMail supports both OpenLDAP and MySQL as backends for storing virtual domains and users. This tutorial shows how to use the OpenLDAP backend on OpenSuSE 11.3.
Using Firewall Builder To Configure Router Access Lists
Firewall Builder is a firewall configuration and management GUI that supports configuring a wide range of firewalls from a single application. Supported firewalls include Linux iptables, BSD pf, Cisco ASA/PIX, Cisco router access lists and many more. This tutorial is the first in a series of howtos that will walk through the basic steps of using Firewall Builder to configure each of the supported firewall platforms. In this tutorial we will configure Access Control Lists (ACL) on a Cisco router.
Installing The WiKID HTML5 Token Client