Cyber Attacks Explained: Packet Crafting
Protect your FOSS-based IT infrastructure from packet crafting by learning more about it. In the previous articles in this series, we explored common infrastructure vulnerability exploitation scenarios. This article takes a step forward…
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 our infrastructure from them? This article is about how…
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 hacking approach called network sniffing, which is very commonly…
The Socket API, Part 5: SCTP
This article on socket programming deals with the Stream Control Transmission Protocol (SCTP). Similar to TCP and UDP, SCTP provides some features of both. It is message-oriented, and provides a reliable sequenced delivery…
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 attack, which we discussed in detail. This month, we…
Securing Apache, Part 8: DoS & DDoS Attacks
In this part of the series, we focus on DoS/DDoS attacks, which have been among the major threats to Web servers since the beginning of the Web 2.0 era. Denial of Service (DoS)…
Advanced Nmap: NMap Script Scanning
In previous articles, we have studied NMap in great detail, including live scanning a firewall and verifying the recommendations. Now, it’s time to study NMap script scanning. Nmap.org describes the Scripting Engine (NSE)…
DeleGate — A Multi-platform, Multipurpose Proxy Server
A proxy server works as an intermediary for requests from clients seeking resources from other servers. There are various types of proxy servers. In this article, we will briefly discuss one of them,…
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 to various vulnerabilities. Based on the scan results, several…
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 programs. All data on the network travels in the…
May 14, 2013
PR — It's not the gov, but the devs and trained employes who are using their Drupal.
For the antitech people WP is...
May 13, 2013
Rahul — Awesome article ....
May 11, 2013
ashutosh kumar — why you post wrong content, is there any company in Delhi/Ncr , who can afford 2 to 3 lac...
May 11, 2013
fabianwilliams — I a C# dev looking at getting back into Linux, this was a very good article to get started thanks...
