What is proxy serer and firewall, Computer Networking

Assignment Help:

What is Proxy Sever and Firewall

Proxy Sever

Also known as a proxy or application level gateway. It is an application that breaks the connection among sender and receiver. Thus, it helps us to stop hacker from getting Internet address and detail of a private network.

Firewall

Firewall is a method for keeping a network secure. It is mainly used in giving user's access to the Internet in a secure fashion as well as to separate a company's public web server from its internal network.  

 


Related Discussions:- What is proxy serer and firewall

Switched virtual circuits, Most networks give dynamic connections, which la...

Most networks give dynamic connections, which last for a relatively short period. To operate this, ATM can dynamically join a switched virtual circuit (SVC), allow it last as long

Network Layer and Routing , Network Layer and Routing As discussed in...

Network Layer and Routing As discussed in previous  chapters the physical  layer  provides   connection sand services to the  data link  layer while the  data link layer is

What is full-duplex ethernet, Full-Duplex Ethernet 10Base5 as well ...

Full-Duplex Ethernet 10Base5 as well as 10Base2 are half-duplex Full-duplex raises capacity of each domain No require for CSMA/CD

Intrinsic functions, Intrinsic Functions HPF introduces some new intri...

Intrinsic Functions HPF introduces some new intrinsic functions in addition to those defined in F90. The two most regularly used in parallel programming are the system inquiry

Source independence, Next hop to receiver does not relay on source of packe...

Next hop to receiver does not relay on source of packet. This phenomenon is known 'Source Independence'. It has various benefits. It gives efficient and fast routing. Packet switch

Parts count method calculation, M E T HOD OF CALCULATION It involves...

M E T HOD OF CALCULATION It involves counting the number of each part type and multiplying with the generic failure rate of each part. On summing up the product, we obtain t

Computing shortest path in a graph, While calculating shortest path, first ...

While calculating shortest path, first we assume graph presentation of network at every node then we use Djikstra's algorithm to calculate shortest path from every node to other on

Calculate link utilisation - exchanging packets, a)  Assume that the time r...

a)  Assume that the time required to transmit one packet (i.e. the packet length divided by link data rate) is 10ms and the Round Trip Time (from Source to Destination and back) is

Briefly describe three security requirements of an agent, QUESTION (a) ...

QUESTION (a) Briefly describe three security requirements of an agent (b) List four threats that may be caused by malicious hosts to mobile agents (c) Describe the forwar

Explain what is meant by circuit switching, Question 1: (a) Explain wh...

Question 1: (a) Explain what is meant by circuit switching? Give its main shortcoming and explain its relevance in telephone systems. (b) Outline the differences betwee

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd