Archive for the ‘Tips & Tutorials’ Category

CentOS / Redhat Iptables Firewall Configuration Tutorial

ow do I configure a host-based firewall called Netfilter (iptables) under CentOS / RHEL / Fedora / Redhat Enterprise Linux? Netfilter is a host-based firewall for Linux operating systems. It is included as part of the Linux distribution and it is activated by default. This firewall is controlled by the program called iptables. Netfilter filtering [...]

Some WordPress themes (and other software) vulnerable to “TimThumb” bug

A popular piece of software called “TimThumb” (aka “timthumb.php”) was recently found to have a security bug that allows “hackers” to take over Web sites that use it (more info here). Some popular custom WordPress themes include TimThumb as part of their features, making those themes vulnerable to this problem. (Just so it’s clear, TimThumb [...]

How To Fix WordPress and Mod Security 2

Recently my website was moved to a new web server, and in the process the server software was upgraded, and it broke some parts of my site. It took a bit of digging but in the end I worked out that the problem lie with Mod Security – a server plugin that improves security but [...]

How to Fix WordPress Vulnerabilities from timthumb.php

Do you ever know about Timthumb.php ? Timthumb.php is a tool to re-size images and create to be thumbnail in your website, timthumb.php is used in most WordPress themes, actually premium themes are the most using this tool. Timthumb.php is allow attacker to upload their PHP Backdoor file / PHP Shell into vulnerable themes and [...]

HTML Styles – CSS

Styling HTML with CSS CSS was introduced together with HTML 4, to provide a better way to style HTML elements. CSS can be added to HTML in the following ways: in Cascading Style Sheet files (CSS files) in the <style> element in the HTML head section in the style attribute in single HTML elements Using [...]

Restore backup third party applications BlackBerry

1- Download and install the latest version of Desktop Manager 4.2 from here. 2- Pluggin the device and run Desktop Manager. 3- Click on “Switch Device Wizard.” 4- Click on “Switch Blackberry Devices.” 5- Click “Next.” 6- Select USB: Your Pin. 7- Click “Next”. 8- Uncheck “User Data and Settings” and “Include Messages” leaving “Third [...]

Printscreen on a MacBook Keyboard from Windows

In the Following simple solution, I show you how to “Print Screen” (take a Screenshot) while running from Windows on a Macbook Pro. Since a Mac does not have a physical PrintScreen (PrtScn) key on it’s keyboard, another BootCamp mapped key or key combination must be used in place of the familiar Print Screen button. [...]

SOLVED: Unrecognized Partition Table for Drive 80

In the following simple solution, I show you how to fix the Unrecognized Partition Table for Drive 80 boot error that may occur while attempting to boot Windows Vista from your Macbook Pro. The error may read or appear as follows: “Unrecognized Partition Table for Drive 80. Please rebuild it using a Microsoft-compatible FDISK tool.” [...]

How to Install Vista on a MacBook Pro

In the following simple solution, I cover the process of installing Windows Vista on a Macbook Pro. For many people, migrating from a Windows PC to a Mac is a tough transition. You can become quickly overwhelmed when trying to learn how to navigate and use the Mac OS X Leopard operating system. In many [...]

How to: Access Facebook on a BlackBerry

Do you use Facebook to stay connected to friends and colleagues? Facebook for BlackBerry lets you stay logged in to your account while away from the desktop Difficulty: Beginner Facebook for BlackBerry gives you wireless access to your Facebook account. Once logged in, you can stay in touch with friends while away from the desktop [...]

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