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Archive for the ‘internet’ Category

DDoS Attack Prevention System And Services

November 30th, 2012 Comments off

The popularity of DDoS prevention / mitigation services is increasing and the reason is that the method of this kind of attack’s execution is very well studied and well known to a lots of web hosting providers. DDoS stands for ‘Distributed Denial of Service’. DDoS attackers who are essentially also master crackers, only needs to create a network of compromise computers or aid of botnet which are are used collectively to attack on a web hosting server. DDoS attack is involved a high amount of artificial traffic flow. This high traffic flow caused in high consumption of bandwidth and packets on the web server to make it victim of DDoS attack. Not only high load of traffic but fake information requests also used on a large scale to bring down the web server, so that the genuine visitors and users will also loose the access of the same server.

DDoS Attack Prevention

DDoS Attack Prevention

There are many web hosting providers in India who provides effective DDoS Attack Protection services along with reliable web hosting services. These DDoS attack preventive services include use of various techniques to tackle hacking attacks which are also executed by using newer methods. The software and hardware used in such type of services are need to be updated on consistent basis as hackers and attackers keep studying all these things to overcome the security system.
All incoming traffic towards the web server is to be kept under inspection and a systematic analysis of all the traffic is need to be carried out to sort out the malicious traffic out of total traffic. As soon as any such malicious traffic is found which is generally from the same location is reported as threats detected through a specific alerts. Such alerts can save a web server before attack it done or before huge damage is done to the server after DDoS attack. Smart Web hosting companies also create a database of such attackers and hackers including the destination used for the attack, because this helps a lot to remain alert from such possibly dangers.

Valuable Tips To Speed-Up A Magento Cart

March 16th, 2012 Comments off

‘Magento’ is one of most popular CMS used by webmasters due to its excellent e-commerce website handling features. Magento eCommerce Platforms are scalable, flexible and suitable for online business growth. But still there are few cases in which webmasters are found complaining some sort of slow speed functionality with ‘Magento’. But still following are some tips and precautions, by using which you can fasten a ‘Magento e-commerce cart.

  • 1.4 Caching option is found enabled as by default, so one should not disable it without any proper requirement.
  • Use PHP Accelerator, Enable Compiler. Set 32 or 64 MB-Size of Quarry Cache and if possible disable the Logging time if it exceeds.
  • Keep Enabled all Keep-a-lives in Apache because there are the tricks where many HTTP requests can be built through a single TCP connection. So enabling it would improve loading time of your website.
  • Use Memory based file system i.e. tmpfs, this will enable your website to move fast
  • Use Plane catalog of products and the same for the categories also.

The above we saw were all technical tips now look at the following general tips.

  • If possible use dedicated server hosting for your Magento based website, this would allow you to use the Magento at its best level.
  • Keep the redirection as less as possible and make sure to check your output as W3C complaint. This is very important as any possible errors would make the browser slow.
  • Disabling server logging or at least keeping it at minimum level would minimize the disk writing frequencies.
  • Compile MySQL from source instead of your OS’s package manager
  • Swapping Apache for NginX or Lite-speed is beneficial, and if there is not such option available for such swapping then you are suggested to go for Zen Server,
  • Avoid installing any unnecessary Apache modules and DNS look-up is a time consuming element so avoid using many external sources for i-frames and images etc.
  • Regularly check out for any possible upgrades for your cart as it will enable you for advanced features and omission of any bugs which existed with your current versions.
  • Setting Apache mod-express to know how long file are to be cashed is also a good option available.
  • Use CDN (Content Delivery Network) for parallel transfer of static content.
  • Use z-lib, Compress output for output_compression;
  • Enable G-zip Compression in ht-access;
  • You can also optimize all the tables by repairing them, you would find this option in MySQL Admin.
  • Remove any unnecessary files from your server and try to find the web hosting services provider from the same geographical area from where you have the largest number of customers.
  • Use multiple web nodes-front-end server which can handle browsing and checkouts with ease.

By following these above operations you can certainly make a difference in the speed of your Magento Cart.

Why Should You Use Flash Video (.flv) Format On Websites?

March 1st, 2012 Comments off

While browsing various websites you can notice that inclusion of videos in website has become quite common and also important these days. Video websites are known for highly visited websites on the internet so to loose such visitors to video websites, webmasters have started to display the required videos from their own websites. This keeps the visitor busy on their own website and prevents him from getting distracted to video websites. Apart from this, inclusion of videos is also very important as video marketing is one of the most effective marketing techniques.

‘Embedding a video’ is a very popular technique followed by several webmasters, as it saves you website hosting resources and the video is actually hosted on another video sharing website. But there are some other disadvantages of embedding of video, as the watermark of video sharing website will always appear in the video clip and you have to solely remain dependent on that particular video website for the accessibility of embedded videos. If you want to get rid of this kind of embedding then the only solution for it is directly uploading that video on your webpages and to save the resources you should use flash video format, which is the most used video format over the internet. ‘flv’ is the lightest format can be used for video files and it also has the advantage of cross platform support and built-in streaming ability. Due to use of specialized compression technique, .flv files are very small in size and can be loaded and browsed easily with enhanced speed. Surprisingly there is no effect on the quality of video due to such compression. High audio quality with stereophonic sound can be achieved with flv video formats. With help of Flash CS3 video encoder, some widely available third party software one can easily convert flv video files in to flash movies. If you are the real owner of the video held on your website then most of the Flash FLV players allow you to attach your own logo to avoid any possible theft of your video.

Know More About FQDN, HTTP, HTTPS and FTP

March 1st, 2012 Comments off
As most of us know about the high popularity of internet services, many of the people just use the internet smoothly but they are not aware of actually what goes on behind the scene. Here I won’t drag you in typical description that how the Internet is the network of many big networks and so on, but while studying the functioning of the internet, websites and web hosting server, we would come to know that they are expected to fulfill the requests of client computers for specific webpages. Such clients use applications called browsers (Firefox, IE, Chrome etc.) while performing such requests for their desired webpages. Normally a URL (Uniform Resource Locator) is typed by client in to the address bar of the particular browser used by him, to direct to a web server by means of its Fully Qualified Domain Name (FQDN). For example to visit Host.co.in’s home page a visitor is required to only type http://www.host.co.in (FQDN) but if he want to visit contact us information of Host.co.in then he need to type FQDN (http://www.host.co.in) followed by path (/contactus.php)
‘http’(Hyper Text Transfer Protocol) is the most commonly used protocol for transferring webpages. There are also other two other types of protocols supported as ‘https’(Hyper Text Transfer Protocol over Secure Sockets Layer) and ‘FTP’ (File Transfer Protocol) specially used for uploading and downloading files.

How to Extend Maximum Upload File Size In WordPress?

January 31st, 2012 Comments off

As most of use know and WordPress is the most popular platform for building websites and blogs. While working in wordpress many times you need to upload the data. This data can be of any type like an application file, an image or any video. The default limit set for such uploads is 8 megabytes. Experienced webmasters who has hosted there websites with large web hosting resources, know very well that many times the data to be uploaded can be larger than 8 megabytes and fortunately one can increase this 8 megabytes limit in wordpress. Many webmaster try to do it by making changes in ‘.htaccess‘ file, but this doesn’t work always. I would like to share following simple method to extend the maximum upload file size limit in wordpress.

  • Crate a ‘php.ini’ file and upload it in to ‘/wp-admin’ folder.
  • Then add the following code

memory_limit = 28M

upload_max_filesize = 28M

post_max_size = 28M

file_uploads = On

Here I have used 28 megabytes for just a example and you can replace with your desired limit to be set for maximum upload file size limit in wordpress.

SSL Certificate and Its Importance.

January 28th, 2012 Comments off

Threats to Online Businesses are not new in today’s widely spread internet world. To achieve highest security for an online business SSL Certificate plays an important role. The term ‘SSL’ is basically related with website hosting services. It’s expected from Webmaster to think and implement the security systems in a smarter way. The websites with SSL certificates are the most trusted websites on the internet, the simplest way to identify such websites is the starting of URL as ‘https://’ where as you will find other normal websites starting with ‘http://’. SSL certificate is a Digital certificate assigned to a website which approves the identity of a Website as a secured website. When a website deals with online transaction involved with money the people are very conscious about its reliability and how secure it is to make payment thorough those websites. The specialty of SSL opted websites is that every information is encrypted for security purpose before it passes thorough networks, to avoid an the leakage of sensitive information. So if one is dealing through an SSL secured website then he can be sure that the information he is providing through it will remain fully confidential and secure.

Following are is some of the information that is contained in the SSL Certificate

  1. Name of the owner of the SSL Certificate
  2. Serial Number and the Expiry date of the Certificate
  3. Copy of the certificate owners public key
  4. Digital Signature of the Certificate issuing authority

Overview of PDF Format

January 27th, 2012 Comments off

‘Portable Document Format’ which is widely known as PDF is a self-contained cross-platform document from the famous ‘Adobe Systems’. Working with PDF document has become a regular affair now. In day to day business activities one needs to put a lot of documents together by merging multiple documents in to a single PDF file, this is also called working with PDF Mode. PDF is very handy to create the documents which are not easy to edit and are not created with the purpose of avoiding any future edition work on them.

A typical PDF document appears similar to a normal document on the screen as well as in a printed format but unlike a word document, the user is not capable of editing it normally. Its appearance is also free from the software package, computer and operation system originally used to create it. PDF format files are highly compressed though they contain text, images, graphs and any other data to be used for display purpose, this high compression enable it to get downloaded quickly and efficiently. Maintaining its original (at the time of creation) format at recipient’s end is the feature makes PDF very popular. Though PDF works almost on all platforms but one needs to install the required ‘reader application’ (Adobe Reader) to make the system compatible of reading PDF files. In case of Linux systems of Linux Hosting servers the software are available different than the software for Windows website hosting servers. Because of its reliability most of the business houses use PDF for documentation for disseminating many of their business activities. While working on the internet if you do not want to save or download a PDF then you can also read the file on a temporary basis and once you close the browser (or tab) it will also get closed without saving any data on your local computer.