Tag: firewall
Guard Your Network with IPCop, Part 2: Add-ons
A basic installation of IPCop provides minimum firewall functionality such as a proxy, compatibility with various Internet connections, port forwarding, IPSec VPN, etc. To...
Cyber Attacks Explained: Network Sniffing
In earlier articles in this series, we have explored denial of service attacks and packet spoofing. This month, let us focus on a wider...
Guard Your Network with IPCop, Part 1: Installation Basics
The classic version of IPCop 1.4.20, which was released on July 24, 2008, was immediately upgraded to the 1.4.21 ISO installer. The much awaited...
Cyber Attacks Explained: Packet Spoofing
Last month, we started this series to cover the important cyber attacks that impact critical IT infrastructure in organisations. The first was the denial-of-service...
Cyber Attacks Explained: DoS and DDoS
With this article, we begin a new series on the major kinds of cyber attacks that weaken the IT security infrastructure within organisations. With...
Storage Management using Openfiler, Part 3
The first article of this series discussed basic installation and configuration; the second described some advanced Openfiler features including bonded interfaces and RAID 1...
SYN Flooding using SCAPY and Prevention using iptables
DoS (Denial of Service) attacks against Web services make them unavailable for legitimate users, affecting the website owner's potential business. These involve intentional consumption...
Locking Horns: Fedora 15 ‘Lovelock’ v/s Ubuntu 11.04 ‘Natty Narwhal’
The two titans of the free software operating system arena, Fedora and Ubuntu, usually time their distribution releases a few days apart. This makes...
Quick Setup Guide to Network Monitoring using Zenoss Core
Today's businesses demand 24x7 uptime of IT infrastructure. To meet this need, a number of technologies are used, which include failover, clustering, redundant devices...
Best Practices in Network Security Monitoring
This article details the best practices organisations can follow to strengthen their network monitoring procedures, and also talks about a few FOSS products that...
