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Be careful with the companies that are promising unlimited bandwidth because the web hosting providers who promises unlimited bandwidth seem to be disappeared, especially in dedicated servers business. A quick Google search will show some providers who are promising unlimited bandwidth for dedicated servers at very cheap prices.  Usually they do not promise unlimited bandwidth but high bandwidth. Even though it is true that bandwidth prices has gone down in couple of last years but you can’t bargain for this service.  Most of the amounts you pay for dedicated servers goes to bandwidth.

If you are hosting anything more than a small website based on HTML and after introducing images and flash, the size of each page will be around 80 to 100KB and if you have only got the speed of 1.25 megabytes per sec. that will translate to only about 12 connections at a time and page may begin to slow down.  Practically, you could do this twice without any complain or even three times. People are used to slower loading speed and everyone know this but if your site grows more than your expectation that option will not work.

Web hosting companies cant afford to give lots of bandwidth for cheap. So beware of the promises of unlimited bandwidth.

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Before starting with the installation and enabling steps of BFD, I would like to add some light on what is BFD?

Basically, BFD also known as Brute Force Detection is a simple SSH script which is used to parse applicable logs to check about the authentication failure. Installing BFD adds your server one more advantage that it will secure your dedicated server from any harmful brute force attempts. It also works in conjuction with APF firewall to manage your level of server protection and similar to most of the linux server tools, can be easily installed and configured. It is one of the most popular tool for all your dedicated server hosting requirements. Make sure the APF firewall is already installed on your server or the BFD won’t work.

Steps to Install BFD on your Dedicated Server:

Step 1 : Login to the root and cd root/downloads (directory where you store your files)

Step 2 : Use the SSH command of wget as shown below:
wget http://www.rfxnetworks.com/downloads/bfd-current.tar.gz

Step 3 : Use the SSH command of tar as shown below:
tar –xvzf bfd-current.tar.gz

Step 4 : Use the SSH command of cd as shown below:
cd bfd-0.7

Step 5 : Run the ./install.sh file. when its completed, it will show you the following message that alerts to you a proper installation:

.: BFD installed
Install path: /usr/local/bfd
Config path: /usr/local/bfd/conf.bfd
Executable path: /usr/local/sbin/bfd

This means your BFD is now succesfully installed. Now, moving to the enabling BFD which will allow you to block brute force attempts.

Steps to Enable BFD on your Dedicated Server:

Step 1 : Edit the config file, which is located at /usr/local/bfd/conf.bfd

Step 2 : Now, enabling “brute force hack attempt alerts”. Simply, find ALERT_USR=“0” and change it to ALERT_USR=“1” which is ensuring that yes, it will alert you whenever there is a brute force hacking attacks.

Step 3 : Where do you want to send those alerts comes next! Find EMAIL_USR=“root” and change that to EMAIL_USR=“emailaddresshere”

Step 4 : Ctrl+X then Y

Step 5 : However, if you are disallowing everyone from accessing your SSH, doesn’t that mean you can’t get in either? Yes, so let’s prevent that. pico –w /usr/local/bfd/ignore.hosts and add your own IP(s). Ctrl+X then Y.

You can run your installed BFD by entering /usr/local/sbin/bfd –s

Now, your Dedicated Server Hosting account will get alerts whenever there is a brute force hacking attacks.

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A server is a hard drive where electronic files are stored. A dedicated server is a hard drive that is been dedicated to a particular person or an entire company, or a specific function within a company such as an email server.

Small companies and even the freelancers who work from home office can also use regular desk top computer with a good amount of gigs as a server from which other computers run. This type of server runs on the same concept and accomplishes the same tasks that larger, off site, servers can accomplish.

Dedicated servers are commonly used by company’s for their website. Usually lots of small companies use off site servers and hosting companies on which they build their websites and blogs. These companies that own the servers are just providing the storage space for the web pages, just like Hotmail, who provides off site storage space for emails.

These companies usually gives the guarantee at a certain amount of “up time” and they will provide further stats on the maximum amount of bandwidth a company is allowed with the price paid for the web hosting services provided. The bandwidth refers to how active your web site is; if you have pretty good amount of traffic that’s great for you, but it may cause problems with your web hosting company/off site server if they will not be able to handle the overload.

A lot of times an individual or small company that is not comfortable with building a website from scratch, or not needing a site that includes a lot of bells and whistles like flash, video, or even shopping carts, usually go for an online source that allows them to build a website using a user friendly template format.

While using this type of web service, the servers are located at, and run and owned by the company that you are building your website at. For example, some web portals like Yahoo and MSN offers user friendly templates and dedicated server hosting.

As time passes and a company grows, it’s quite common to have their web hosting servers customized and brought in house. This requires a much higher level of technical expertise since owning your own server means taking the responsibility for all updates, changes, migrations, and problems that need to be addressed.

To keep your web hosting server off site where you have a higher level of security all around. A web hosting company already has different types of security in place against hackers, viruses, and even “acts of God” such as building fires, floods, tornadoes, etc.

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