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= =================================== .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 […]