Servers

Servers

1. File Server's

   • File servers hold all our work and resources at school.
   • the file server serve's us the work we have previously saved.
   • At school when you click on a piece of work it comes from a file server in a different room.

2. Proxy Server

   • The proxy server is the server in the middle between the client and the internet, The proxy server will receive your request for a web page and either allow your request through or block it.
   • System adminstrators can set what web pages are allowed and what web pages aren't allowed. For example, if you search for Call of Duty, there is a chance that images of COD will be blocked by the proxy server.

3. Domain Name Server

   • All web sites have a unique IP address like 192.168.100.224. This identifies the website on the Internet. Every website has its own number.
   • Humans are better at remembering words than long numbers. Therefore, your request for www.bbc.co.uk goes to a Domain Name Server which has a long list of website names.
   • It looks at the name and finds the ip address. Your request can then go to the correct web server

4. Web Server

   • Web servers store websites and then serve them to whoever wants to see them
   • When you ask for a website by typing in the web address, it is served to you by the web server.

5. Mail Server

   • A mail server holds all your emails. Sometimes it might be on a server in your place of work, or it might be on the cloud as in Google mail.
   • When you want to see your mail, you go to the mail server and it is either displayed to you via a browser (like when using Google mail, Hotmail or Yahoo! mail) or it is downloaded to your client (as in MS Outlook client mail).