What Is iptables? Originally, the most popular firewall/NAT package running on Linux was ipchains, but it had a number of shortcomings. To rectify this, the Netfilter organization decided to create a new product called iptables, giving it such improvements as: Better integration with the Linux kernel with the capability of loading iptables-specific kernel modules designed […]
INTRODUCTION TO DENIAL OF SERVICE
=================================== =INTRODUCTION TO DENIAL OF SERVICE= =================================== .A. INTRODUCTION .A.1. WHAT IS A DENIAL OF SERVICE ATTACK? .A.2. WHY WOULD SOMEONE CRASH A SYSTEM? .A.2.1. INTRODUCTION .A.2.2. SUB-CULTURAL STATUS .A.2.3. TO GAIN ACCESS .A.2.4. REVENGE .A.2.5. POLITICAL REASONS .A.2.6. ECONOMICAL REASONS .A.2.7. NASTINESS .A.3. ARE SOME OPERATING SYSTEMS MORE SECURE? .B. SOME BASIC TARGETS FOR […]
Bind 9.4.2 Caching nameserver
Bind is the de-facto DNS server used in almost all kinds of environment all over the world. This article is a How-To for creating a local caching name server for your network to resolve DNS hostnames faster and also to conserve your precious bandwidth. The Domain Name System (DNS) is the crucial glue that keeps […]
Running A Transparent Linux Squid Bridge / Turn your Linux box into a Cisco like Catalyst switch
Let us face some facts. Not everybody, especially a small office network or a small home network can afford a Cisco catalyst switch. To replicate the features of a sophisticated switch like a Cisco catalyst switch, we can setup a Linux box with more than 2 network interfaces to run in bridging mode. Or more […]
Solaris 10
Solaris’ source code (with a few exceptions) has been released under the Common Development and Distribution License (CDDL) via the OpenSolaris project. The CDDL is an OSI-approved license. It is considered by the Free Software Foundation to be free but incompatible with the GPL. As I searched and read more articles and reviews about the […]