The ConfigServer Security & Firewall is a popular open source Stateful Packet Inspection (SPI) firewall, Login/Intrusion Detection and Security application, compatible with most Linux servers. Continue reading
On Linux systems there are a few temporal directories used for storage, like /tmp, /var/tmp and /dev/shm. This directories are used to store temporary files from different services such as Apache, MySQL, etc.
However, sometimes this directories are also used by crackers and script kiddies to store malicious/malware and virus executables. This malicious scripts can be an open door to send spam, exploit the system as root or spread viruses over the network.
This tutorial will show you how to secure /tmp partition, and also the /dev/shm directory. Continue reading
c99 Shell Scripts are one of the main headache for almost all cPanel server administrators even though they use mod_security and all.
The c99 php (Hypertext Preprocessor) shell script is an awesome piece of hacking script. The only limitation of it being that it needs an unsecured uploader in order to get it uploaded and then the execution part is a piece of cake.
Continue reading
A step by step paper how to secure linux server with cPanel/WHM and
Apache installed. By default, linux is not secured enough but you have
to understand there is no such thing as “totally secured server/system”.
The purpose of this paper is to understand how to at least provide some
kind of security to the server.
Let’s start Continue reading
Here are some useful things to know for managing an Exim 4 server. This assumes a prior working knowledge of SMTP, MTAs, and a UNIX shell prompt. Continue reading
A mentioned earlier, Windows 8.1 will be a free update for Windows 8 consumers later this year through the Windows Store – but today Microsoft has made available a preview version that will allow you to take a first-hand look at many of the new features and improvements in Windows 8.1.
The Windows 8.1 Preview will be installed through the Windows Store. You will however, have to install an update available on the Preview page. This will enable your Windows 8 to offer the Windows 8.1 Preview update through the Windows Store. You may be required to reboot your system after the installation is over.
Now visit the Windows Store and click on the Download Windows 8.1 from the Windows Store. On reboot, you will see a message offering Windows 8.1 Preview. Click on Go to the Store. Here click on the Download button.
Windows 8.1 Preview will download, carry out some compatibility checks and then commence installation. During installation, your PC may reboot multiple times. Once the installation is complete, you will see the Start Screen of Windows 8.1 Preview.
f you as a Windows 8 user decide to install the Windows 8.1 Public Preview version, remember that you will have to reinstall your software, when you rollback to Windows 8 or move over to Windows 8.1 Final RTM version.
If you install the preview version and need to install the final RTM version, when it is released, during this upgrade from the preview to final RTM version, while your data will remain intact, you will later on need to reinstall all your apps.
Windows 8.1 Preview will expire on January 15, 2014. Uninstallation is not supported on Windows 8.1 Preview. You may want to read this post on Windows 8 to Windows 8.1 Preview Upgrade Policy before you proceed. So rather than upgrading your Windows 8 to Windows 8.1 Preview, we recommend that you install Windows 8.1 Preview on a separate partition.
If you are on Windows RT and have installed a language pack, please don’t install the Windows RT 8.1 Preview at this time. A fix is coming.
If you’re running Windows 8 Enterprise, you’ll need to install the preview using the ISO. Go here to learn more aboutWindows 8.1 Enterprise.
Windows 8.1 Preview is available in Arabic, English (US), Chinese (Simplified), Chinese (Traditional), French, German, Japanese, Korean, Portuguese (Brazil), Russian, Spanish, Swedish, and Turkish.
Windows 8.1 Preview works great on the same hardware that powers Windows 8:
If you install Windows 8.1 Preview through the Windows Store, you don’t need a product key. If you download the ISO, you’ll need to enter this product key: NTTX3-RV7VB-T7X7F-WQYYY-9Y92F.
The ISO is available to MSDN and TechNet subscribers. The download size of Windows 8.1 Preview x86 is 2660 MB and of Windows 8.1 Preview x64 is 3580 MB. General public can also get the Windows 8.1 Preview Update or download the Windows 8.1 Preview Client ISO file with the built-in apps, if you want to install the preview on another partition, another PC, or a virtual machine. Once you have downloaded the ISO, you will have to burn the ISO to a DVD, which you can then use to install Windows 8.1 Preview.
Click here to download the Windows 8.1 Preview Product Guide. The Windows 8.1 Preview Product Guide for Developers is available here.
Microsoft has officially announced the features and release date for Windows 8.1, commonly referred to as Windows Blue. Microsoft decided to put to use what it learned from customer feedback how they were using Windows 8. Based on this feedback and new working realities, Microsoft has decided to add new features and functionality to this operating system. Continue reading
Finally the wait is over and you can now download Windows 8 Consumer Preview or Windows 8 Beta version.You can also download Windows 8 Consumer Preview Product Guides for Business and Developers. Continue reading