Security

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Qmail-Scanner With ClamAV And SpamAssassin On Ubuntu

Qmail-Scanner With ClamAV And SpamAssassin On Ubuntu

In continuation of my document http://www.howtoforge.com/qmail-openldap-on-ubuntu about setting up qmail-ldap on Ubuntu this document will help you to set up Qmail-Scanner with ClamAV antivirus and SpamAssassin spamfilter with your qmail server.

Using Firewall Builder To Configure Cisco ASA & PIX

Using Firewall Builder To Configure Cisco ASA & PIX

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 second in a series of articles that 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 ASA firewall.

Host Based Intrusion Detection - Samhain

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

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

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

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)

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

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 Maverick Meerkat

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.

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