利用者:PettawayDupree147
The Functions of a Proxy Server
A server is really a mixture of one or more hardware and software designed to provide networking plan to clients. Individually, it might also refer to any software or dedicated hardware accustomed to provide such service or any system that's managing a server operating-system.
A proxy server could therefore certainly be a firewall mechanism that substitutes the Ip of the protected host network having a temporary address for all data traffic passing through it. It can make decisions to authenticate the consumer or client IP address' permission to access the network and establishes link with any remote computer on behalf of the consumer.
In essence, it's a computer that acts being an interface or intermediary to connect two or more computers which have different protocols and therefore are placed at various remote locations over the internet.
Whenever a user (computer) tries to connect to another user to consider any resources such as files, web pages, connections, etc on their database, it is the proxy server that evaluates if such connection is permitted according to the existing settings on the remote computer. Once the proxy server authenticates these conditions are met, after that it makes the request on behalf of the user and establishes the bond.
The proxy server may either modify either the request or response of the user or client or, react to a request without contacting the server. It does this by utilizing cached similar responses stored on the remote server the resources are now being requested from.
The other functions include:
1. It reduces the time required to access resources from servers by serving cached responses for similar request to clients. 2. It serves a log to provide info on internet usage for auditing or evaluation purposes. 3. It may be used 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 used to block use of unwanted or unauthorised sites 7. It works as a scan to filter malware before delivering requested resources 8. It serves as a scan to bar certain outgoing data. This is for protected files
Since it is an intermediary that acts on behalf of two or more users or clients, a proxy server can be placed anywhere in-between you or at destination servers on the web for it for everyone its functions.