The Justification for Authentication and Encryption

You will need to understand how to configure and compile Postgres from source code as many of the solutions requires that your Postgres server has the necessary libraries and capabilities installed that the typical Linux Distro may be lacking. Author: Robert Bernier Source: Hakin9 2/2008 http://hakin9.org What you will learn...

• Confronting the DBA with an unauthorized person obtaining a valid user account and password on his system

• Defeating the cracker's assault by implementing user account authentication and data encryption

What you should know...

• You should be familiar with the SQL92, SQL99, SQL2003 protocols

• You must be familiar with the Postgres command line console, psql

• You should be able to locate

Programming with Libpcap – Sniffing the Network From Our Own Application

Since the first message was sent over the ARPANET in 1969, computer networks have changed a great deal. Back then, networks were small and problems were solved using simple diagnostic tools. As these networks got more complex, the need for management and troubleshooting increased. Author: Luis Martin Garcia Source: Hakin9 2/2008 http://hakin9.org What you will learn...

• The principles of packet capture

• How to capture packets using libpcap

• Aspects to consider when writing a packet capture application

What you should know...

• The C programming language

• The basics of networking and the OSI Reference Model

• How common protocols like Ethernet, TCP/IP or ARP work

Nowadays, computer networks are usually large and diverse systems that