"IP address" tag
Serving WordPress from a Debian-powered Nginx

WordPress on Nginx, Part 2: vhost, MySQL & APC Configurations

Last time around we made our Debian VPS ready with the LEMP recipe. Let’s now configure the stack and migrate over the old WP website. What good a website with a “Welcome to…

Oops, am under attack, again!

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 the rapid spread of Internet technologies and applications, the…

Syn Flooding

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 of network, CPU and memory resources. In this article,…

Tightened Security

Securing Apache, Part 11: Logs, et al.

In this final part of the series, we will discover how to strengthen security in Apache by logging and other miscellaneous ways. Configuring a system to be secure is indeed a key task,…

Socket programming isn't really that tough

Creating Your Own Server: The Socket API, Part 2

Earlier, we created a simple server and client program using the socket API. This time, we’ll first start with a program, and then explain what’s going on. So start up your systems, and…

Open File(er)

Storage Management using Openfiler, Part 2

The first part of this series gave readers step-by-step instructions to build Openfiler from scratch. This second part covers two additional important features of Openfiler: bonded interfaces and software RAID. We also have…

Nmap scripts

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)…

Verify firewall security

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…

VNCInjection with courtesy shell enabled, by default

Metasploit 101 with Meterpreter Payload

The Metasploit framework is well known in the realm of exploit development. It is a standalone tool for security researchers, penetration testers and IDS/IPS developers. As of now, it has 640 exploit definitions…

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