VerineLang662
The Functions of the Proxy Server
A server is really a mixture of one or several software and hardware made to provide networking service to clients. Individually, it might also refer to any software or dedicated hardware used to provide such service or any system that is running a server operating-system.
A proxy server could therefore be described as a firewall mechanism that substitutes the IP address of a protected host network having a temporary address for all data traffic passing through it. It can make decisions to authenticate the user or client IP address' permission to access the network and establishes link with any remote computer with respect to the user.
In essence, it's a computer that acts as an interface or intermediary for connecting several computers that have different protocols and therefore are placed at various remote locations on the internet.
Whenever a user (computer) attempts to connect to another user to look for any resources for example files, webpages, connections, etc available on their database, it's the proxy server that evaluates if such connection is permitted based on the existing settings on the remote computer. When the proxy server authenticates that these the weather is met, after that it makes the request with respect to the consumer and establishes the connection.
The proxy server can either modify either the request or response of the user or client or, respond to a request without contacting the server. It does this by utilizing cached similar responses stored on the remote server that the resources are being requested from.
The other functions include:
1. It cuts down on the time needed to access resources from servers by serving cached responses for similar request to clients. 2. It serves a log to supply info on internet usage for auditing or evaluation purposes. 3. It could be accustomed to over-ride security or parental control 4. It enables use of regionally restricted resources 5. It hides its clients for anonymous browsing and security 6. It could be accustomed to block use of unwanted or unauthorised sites 7. It works as a scan to filter malware before delivering requested resources 8. It works as a scan to bar certain outgoing data. This is for protected files
Since it is an intermediary that acts with respect to several users or clients, a proxy server can be put anywhere in-between the users or at destination servers on the internet for it for everyone its functions.
