Tag: MAC addresses
Guard Your Network with IPCop, Part 3: Block Outgoing Traffic
The first article in the series discussed IPCop 1.4.21, its basic installation and configuration. Though an excellent firewall distro, basic IPCop has limited functionality....
Cyber Attacks Explained: DNS Invasions
We often read about defaced websites whose pages get changed to some malicious content. How do hackers do it and how do we protect...
Securing Database Servers
With the ever-expanding data requirements for Web applications, database administrators often configure security parameters at the OS and database layer. Unfortunately, administrators seldom consider...
Advanced Nmap: Scanning Firewalls Continued
The previous article detailed methods to scan an IPCop-based firewall in a test environment. The scan output revealed several open ports, which could lead...
Capturing Packets In Your C Program, With Libpcap
This article provides an introduction to libpcap, and shows, with examples of source code, how you can use it to create your own packet-sniffing...
Advanced Nmap: Scanning Firewalls
After four articles on Nmap , which explained a number of command-line options for scan technique specification, target specification, port specifications, host discovery, evasion...
Advanced Nmap: FIN Scan & OS Detection
Nmap is a fantastic tool, and I just can't refrain from praising it, every time I use it. The earlier articles in this series...
Aircrack-ng: Wi-Fi Troubleshooting, Auditing and Cracking Made Easy
Wi-Fi technology has today become almost ubiquitous for wireless local area networks at offices, restaurants, homes, airports, hotels, etc. However, with increased Wi-Fi usage...
