A small isp requests your help, Computer Network Security

Assignment Help:

QUESTION

A small ISP requests your help. The technicians report that they have had no downstream access to the Internet. They believe the problem lies with their access provider. They provide you with the following logs. What type of attack is this? What can be done to fix the problem?

16:16:07.607758 130.127.120.29 > 255.255.255.255: icmp: echo request (DF) (ttl 238, id 46507)

16:16:07.607758 207.24.115.20 > 130.127.120.29: icmp: echo reply (ttl 64, id 802)

16:16:07.607758 207.24.115.112 > 130.127.120.29: icmp: echo reply (ttl 60,id 3187)

16:16:07.607758 207.24.115.111 > 130.127.120.29: icmp: echo reply (ttl 60, id 12937)

16:16:10.877758 130.127.120.29 > 255.255.255.255: icmp: echo request (DF) (ttl 238, id 46508)

16:16:10.877758 207.24.115.20 > 130.127.120.29: icmp: echo reply (ttl 64, id 803)

16:16:10.877758 207.24.115.111 > 130.127.120.29: icmp: echo reply (ttl 60, id 12938)

16:16:10.877758 207.24.115.112 > 130.127.120.29: icmp: echo reply (ttl 60, id 3188)

16:16:12.757758 195.210.86.88 > 255.255.255.255: icmp: echo request (ttl 241, id 64402)

16:16:12.757758 207.24.115.20 > 195.210.86.88: icmp: echo reply (ttl 64, id 804)

16:16:12.757758 207.24.115.111 > 195.210.86.88: icmp: echo reply (ttl 60, id 12939)

16:16:12.757758 207.24.115.112 > 195.210.86.88: icmp: echo reply (ttl 60, id 3189)

Related Discussions:- A small isp requests your help

Explain the terms used in network security, Question 1 (a) Explain b...

Question 1 (a) Explain briefly the following terms as used in network security: (i) Denial of service (DoS) attack (ii) Birthday attack (iii) DeMilitarized Zone

Describe des encryption, (a) Describe DES encryption with a block diagram a...

(a) Describe DES encryption with a block diagram and brief steps. (b) How does triple DES improve security. What is the effective key length of triple DES? How can 3DES be compa

Programming, For this assignment you will create a program called MMWordFix...

For this assignment you will create a program called MMWordFix (Multi-Mode WordFix). This program prompts the user to select one of three word filters (uppercase, lowercase, encryp

Assignment, Hello i have submitted an assignment and i am still waiting to ...

Hello i have submitted an assignment and i am still waiting to know if it has been accepted or not the ref number is TicketID: EM201381BRY525CN, the due date is for monday 27th of

Explain how the key exchange algorithm works, Question: (a) Explain how...

Question: (a) Explain how the Diffie-Hellman key establishment protocol works. (b) Prove that the Diffie-Hellman key establishment protocol is vulnerable to a `man in the mi

Digital certificates, A Certificate presents an organization in an official...

A Certificate presents an organization in an official digital form. This is same to an electronic identity card which serves the purpose of Identifying the owner of the certificate

Describe types of communication impairments, Question : (a) "Pulse Code...

Question : (a) "Pulse Code Modulation (PCM), as used in telephony, samples a signal at 8 kHz using 256 quantization levels". Outline how this scheme works with the help of ske

define broadcast, In broadcast topology there are further two types 1) ...

In broadcast topology there are further two types 1) SATELLITE\RADIO 2) RING TOPOLOGY In a radio or satellite topology every computers are connected to each other via radio o

Udp- datagram transport service, UDP- DATAGRAM TRANSPORT SERVICE INT...

UDP- DATAGRAM TRANSPORT SERVICE INTRODUCTION: UDP is the one of the transport protocols in TCP/IP protocol suite. UDP protocol accepts applications on the computers to

Evaluations, Evaluations, Assessment, and Maintenance of Risk Controls W...

Evaluations, Assessment, and Maintenance of Risk Controls When the control strategy has been implemented, it should be monitored and measured on an ongoing basis to determine ef

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages