Packet filtering firewall-stateless packet filtering, Computer Network Security

Assignment Help:

Stateless Packet Filtering

Stateless or static packet filtering is the most straightforward kind of packet filtering that allows or disallows data transfer based on the address the data is coming from, the address the data is going to and the ports being used to transfer the data. Such type of filtering does not make content-based decision that is basic packet filtering do not do anything based on the data itself. Once the rules defined for a port or IP address will always be followed.

Related Discussions:- Packet filtering firewall-stateless packet filtering

Fragmentation, FRAGMENTATION One method is to limit datagram size to s...

FRAGMENTATION One method is to limit datagram size to smallest MTU of any server. IP needs fragmentation i.e. datagrams can be divided into pieces to fit in network with small

What is the main security vulnerability of ipv4, Question: (a) What is...

Question: (a) What is the main security vulnerability of IPv4? (b) Which protocol can be used for secure remote login? (c) Distinguish between the transport and tunnel

Secure clustering in WSNs, i have an idea of clustering in wsns . where eac...

i have an idea of clustering in wsns . where each and every sensor node use the reputation scheme and while clustering provide help against the selfishness atatck of the sensor nod

Non-repudiation and auditing, Proof that the sender forwards the message. I...

Proof that the sender forwards the message. It also prohibits the author of the code from falsely denying that he forward the message. This is achieved by record using the exact ti

Plain-text using play-fair encryption, What is one-time pad for encryp...

What is one-time pad for encryption? Describe how it offers both Confusion and Diffusion. Using the letter encoding discussed in class (along with one-time

Cipher methods-cryptography, Cipher Methods There are 2 methods of encry...

Cipher Methods There are 2 methods of encrypting plaintext: • Bit stream method – every bit in the plaintext bit is transformed into a cipher bit one bit at a time. • Block cip

Professional issues in information technology, Thinking ethically is diffic...

Thinking ethically is difficult without a background in moral philosophy. Asking people to embrace ethics without offering practical explanation of the efficacy of so doing, is a t

Http request message, Question (a) Consider that you enter the subsequent ...

Question (a) Consider that you enter the subsequent URL in the address bar of a popular web client and that both the server and client accepts HTTP version 1.1. i. What can be

Collision detection, COLLISION DETECTION The signals from two devices ...

COLLISION DETECTION The signals from two devices will interfere with each other and the overlapping of frames is known a collision. It does not cause to the hardware but data

Network security in an organisation, Network security is an issue for compa...

Network security is an issue for companies regardless of whether they participate in electronic commerce; however, since most organizations have a Web site that allows some interac

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages