What Is Web Hosting?

Web hosting is the act of renting space and bandwidth through a  company so that you may publish your web site online.Whenever you visit a website, what you see on your web browser is an array of files that are provided to for your viewing pleasure instantly. These files are hosted on a physical server. The company that host these files is called a web hosting company. These files are populated to your screen by a web hosting company.

A web hosting service is a type of Internet hosting service that allows individuals and organizations to provide their own website accessible via the World Wide Web. Web hosts are companies that provide space on a server they own for use by their clients as well as providing Internet connectivity, typically in a data center. Web hosts can also provide data center space and connectivity to the Internet for servers they do not own to be located in their data center, called collocation.

There are many types of hosting:

Dedicated Hosting

Reseller Hosting

Shared Web Hosting

Free Web Hosting

Collocation Hosting

Managed Hosting

Hosting uptime refers to the percentage of time the host is accessible via the internet. Many providers state that they aim for a 99.9% uptime, but there may be server restarts and planned (or unplanned) maintenance in any hosting environment.

A common claim from the popular hosting providers is ‘99% or 99.9% server uptime’ but this often refers only to a server being powered on and doesn’t account for network downtime. Real downtime can potentially be larger than the percentage guaranteed by the provider. Many providers tie uptime and accessibility into their own service level agreement (SLA). SLAs sometimes include refunds or reduced costs if performance goals are not met.

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hide-history-of-websites-you-visited

We search for lots of information on the internet. But it is not necessary that others know about this. Whenever you visit any website this information is captured and stored in your computer in the form of 'cache', 'cookie', 'history', and 'windows registry'. There is a danger due to this. Whoever uses the same computer after you have used can find out which websites you have been visiting. If you have a personal computer that no one else will ever use, then you don't have to worry much about this. But if your home or office computer is shared then you better clear this history. In this tutorial let us see how to completely remove the recently visited websites from your computer.

 

  1. Cache Folder

      Every time you visit a website, every browser has the functionality to store the images, websites, urls etc in your hard disk somewhere in the temporary folders. This is useful to save bandwidth. When you visit the same website again, instead of downloading all the images again, the browser will retrieve them from the temporary folders from your hard disks and therefore increasing the speed and saving internet bandwidth. So when you finish browsing you can clear these temporary folders. This temporary folder is usually referred to as Cache. The exact location of this folder will differ based on the browser you are using. For instance if you use Internet explorer then this cache is located in the 'Temporary Internet Files' folder under your c:\Windows folder.

      You can either delete from this folder or you can delete it from your browser. Goto Tools-> Internet Options. Under the General tab click 'Delete Files' button.

 

2. History

     All the browsers also store the urls of every website you visit. This is used to show the address of the site on the 'Address Bar' when you start typing the first few letters of the web sited address; the browser will take from the history and prompt you for the full address. This makes your job easier so that you need not type the full address every time. But if you want to hide the sites you visit then you have to remove this history also. Internet explorer stores this history in a folder called 'History' under c:\Windows folder.

      Or you can delete history from your browser. Goto Tools-> Internet Options. Select the 'General' tab and click on 'Clear History' button. In the confirmation dialog box select 'OK'. This will clear your history.

3. Cookies

      Whenever you visit websites, some information about you and some information about that website are stored in your computer's hard disk. When you visit the same site again, the information stored in this cookie file will be read to identify you. This is especially useful for sites that can personalize the site for you and displays messages such as 'welcome your name' etc. But this cookie also stores the name of the site you visit so you should also delete these cookies if you want to hide the sites you visited.

      To delete cookies, go to Tools->Internet Options. And click on 'Delete Cookies' button. Or you can choose the security tab and click on 'Custom Level' button to disable or enable cookies.

4. Registry

      Another place in which the websites you visited are stored is the windows registry. It is not advisable to modify registries if you are not sure how to use them. Only those who are confident and willing to take risk should touch the registry. Click on 'Start->Run' and type 'regedit' and press enter. The windows registry will open. Now click on 'Edit->find' and type 'URL History'. In the right hand side you can see a list of website addresses that you visited. You can select them one by one and delete them. Programs, viruses and hackers.

Source: - http://www.allpctips.com/internet/hide-history-of-websites-you-visited.htm

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How To Trace An Email

What is an email header?

Each email you receive comes with headers. The headers contain information about the routing of the email and the originating IP of the email. Not all emails you receive can be traced back to the originating point and depending on how you send emails determines whether or not they can trace the email back to you. The headers don't contain any personal information. At most, you can get the originating IP and the computer name that sent the email. The originating IP can be looked up to determine from where the email was sent. IP address location information DOES NOT contain your street address or phone number. It will most likely determine the city and the ISP the sender used.

How do I get the email header?

Each email program will vary as to how you get to the email options. I'll cover the basics...the rest is up to you.

• Outlook

Right click the email while it's in the inbox and choose Message Options. A window will open with the headers in the bottom of the window.

• Windows Live Mail

Right click the email while it's in the inbox, choose Properties, then click the Details tab.

• GMail

Open the email. In the upper right corner of the email you'll see the word Reply with a little down arrow to the right. Click the down arrow and choose Show Original.

• Hotmail

Right click the email in the inbox and choose View Message Source.

• Yahoo!

Right click the email in the inbox and choose View Full Headers.

You can see that no matter the email program, the headers are usually just a right click away.

I've got the header, now what?

Usually the first IP listed is where the email originated. There are exceptions to this. You'll have to look at the information logically to deduce the originating IP.

Can any email be traced?

Yes and No. For example, someone who sends an email to your hotmail account shows in the X-Originating IP section of the headers. However, someone who sends you an email from GMail can ONLY be traced back to the GMail servers.

- JMD COMPUTER INDIA

Source: http://www.whatismyip.com/faq/how-to-trace-an-email.asp

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Router Support

A lot of users in the What Is My IP Forum will ask us for help with their router. Unless it's one we specifically own, our help will be limited. The links below are to provide users a way to find their users manual on their Routers Manufacturer's site. If you've still got questions, you can ask them in the Router Configuration Forum.

• Belkin
• Buffalo
• D-Link
• Linksys
• NetGear

- JMD COMPUTER INDIA

Source: http://www.whatismyip.com/faq/router-support.asp

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What Is MAC Cloning?

MAC cloning can only be done at your router providing it has those capabilities. Most ISPs assign their IPs based on the MAC address in your equipment. If the MAC address of your router is 00-11-22-33-44-55 and you connect to your ISP, the DHCP server records your MAC and assigns an IP. If you disconnect from the ISP, you lose your IP address. The next time you connect, the DHCP server sees your MAC, looks to see if it has assigned an IP address to you before. If it has and the lease time has not expired, it will most likely give you the same IP address you had before disconnecting. Why clone a MAC address? New MAC address most likely equals new IP. How to clone your MAC and if your router has this feature is dependent on the router itself. You’ll need to find the instructions on the manufacturer’s website. Check out our Router Support page to get started.

- JMD COMPUTER INDIA

Source: http://www.whatismyip.com/faq/what-is-mac-cloning.asp

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