Proxy
出典: くみこみックス
A proxy is also known as proxy server and application level gateway. It is a type of technologies developed for the use of a variety of enterprise institutions and men and women when it comes to their network and Web access wants. With this, a proxy acts as a laptop or computer that serves as a mediator between the computers that make up the nearby network of a business and the Internet or any other large-scale network.
A proxys perform starts when incoming data is requested by a specific laptop or computer in the local network. When this takes place, the proxy guarantees that the data properly enters and passes via one particular of its ports. Subsequently, the rent proxy list data is forwarded to the unit that requested it through an rent proxy list additional port. Therefore, by supplying a indicates of prohibiting the direct access between networks, a proxy can avert hackers and unauthorized folks from getting sensitive data such as the internal addresses of a group.
A proxy has 2 types. These include:
(1) the http proxy and
(2) the SMTP proxy.
The former acts as a gateway for Internet access, whilst the latter acts as a gateway for e mail. Apart from controlling the access level of external networks, the proxy can also restrict computer systems inside the neighborhood network in terms of the on the internet resources they could access. This is specially helpful in circumstances when the network administrator needs to avert the users from opening internet sites they are not supposed to access.
A proxy can also cache web pages. This is a function that enables the main laptop or computer to shop copies of downloaded Internet pages in its difficult disk. When a laptop or computer in the regional network requests for an external URL, a copy of that URL is stored in the server. Subsequently, when an additional computer requests for rent proxy list the same URL, the proxy can offer the stored copy rather of finding the original one from the Web. This, of course, minimizes the time for acquiring data.