How does a firewall protect, Computer Networking

Assignment Help:

How Does a Firewall Protect

Firewalls work by controlling the information that comes in and out of the network. By using the Application Proxy service, the flow of information to the network can be controlled. A proxy is an application program that permits or forbids access by accepting or rejecting requests sent to it. Only valid users can log in and pass through a proxy service. It works on the Application level of the OSI model . Another technique that can be used is Encryption. A firewall may also combine encryption to provide confidentiality and authenticity. However this feature never works alone but is always combined with one of the above methods.


Related Discussions:- How does a firewall protect

Sharing information - network layer and routing , Sharing  information  ...

Sharing  information  To understand  how distance vector routing  works examine the  internet shown in  the  clouds represents local  area network . the  number  inside each c

Determine the term- cyberspace, Determine the term- Cyberspace The c...

Determine the term- Cyberspace The conceptual or virtual area where pages, data, images, and all the rest are stored. It is the area from where requests are accepted and ful

Explain about domain name system, Q. Explain about Domain Name System? ...

Q. Explain about Domain Name System? -In the past, mapping of IP addresses was static using a host file -Impossible in today's dynamic environment -Domain Name System (DN

Network layer in osi model, The Network layer is used to route physical dat...

The Network layer is used to route physical data to the destination point, it decides the actual path from where data travels to destination point. The network layer supports both

What layer can optionally support reliability, Ans) The Transport Layer : ...

Ans) The Transport Layer : Segments upper-layer applications. Establishes an end-to-end connection. Sends segments from one end host to another. Optionally, make sures

Common syntax of openmp, Q. Common syntax of OpenMP? Every OpenMP direc...

Q. Common syntax of OpenMP? Every OpenMP directive begins with #pragma omp. The common syntax is   #pragma omp directive-name [Set of clauses]  where omp is an OpenMP key

Extranet, Extranets can also be utilized to link an intranet to the Interne...

Extranets can also be utilized to link an intranet to the Internet in order that remote offsite access can be built into a company's intranet through an authorized individual. It c

What is bit stuffing, What is Bit Stuffing? Bit stuffing is the process...

What is Bit Stuffing? Bit stuffing is the process of adding one extra 0 whenever five consecutive is follow a 0 in the data, so that the receiver does not mistake the pattern 0

Wireless Networks, Is a complete OSI/TCPIP network architecture available i...

Is a complete OSI/TCPIP network architecture available in MATLAB?

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