InternetworksIf you’re involved in the Web governance globe, you likely subscribe to any quantity of mailing lists. If the URL contains a domain name, the browser first connects to a domain name server and retrieves the corresponding IP address for the net server. Bob’s browser has now established a connection to the internet server running on , and is ready to request the login page. For every element needed, the browser makes added connections and HTTP requests to the server for each element. Nonetheless, if you enter the corresponding IP address instead of the domain name, the browser will be able to retrieve the preferred web web page.

For example, when you enter a internet address into your web browser, the browser initially connects to your key DNS server. The browser then parses by means of the page and appears for other web page elements it desires to complete the internet page. Possibilities are, the browser you happen to be applying to view this page is either Netscape Navigator/Communicator or Microsoft World-wide-web Explorer. The internet browser connects to the web server and sends an HTTP request (through the protocol stack) for the preferred web page.

Lots of of these port numbers are well-recognized for example, the port for sending mail is port number 25, and the port for accessing internet internet sites is port 80. Some of you could have observed this in the address bar of your browser: when the domain name is followed by a colon, and then a number (:81/…), this tells the browser to use that port alternatively of the default port (which is 80 for HTTP).

After acquiring the IP address for the domain name you entered, the browser then connects to the target laptop or computer and requests the internet page you wanted. Beneath … Continue reading >>>