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 how the diffie-hellman key agreement protocol works, (a) Using Fer...

(a) Using Fermat's theorem, find 3 201 mod 11. (b) Explain how the Diffie-Hellman key agreement protocol works and what its purpose and main properties are. Consider a Dif

What is the major security flaw of set, QUESTION (a) Discuss why it is ...

QUESTION (a) Discuss why it is considered more secure to use the SET (Secure Electronic Transaction) for e-commerce instead of using SSL (b) Describe how the dual signature

Cost accounting, ?Examples should include direct costs items, indirect cost...

?Examples should include direct costs items, indirect costs items, as well as variable costing. ?What are at least 5 types of expenses that are associated with manufacturing the

Intercultural sensitivity: recognising differences, Intercultural sensitivi...

Intercultural sensitivity: recognising differences You represent a Mauritian computer company which is negotiating to buy hardware from a manufacturer in Japan. In your first

Potential risks to information systems, Information System Security 1. ...

Information System Security 1. Write about: a. Potential Risks to Information Systems b. Factors to be addressed for making information systems more secure 2. Write about t

Define network, A Network is described as a system for connecting compu...

A Network is described as a system for connecting computers using a single transmission technology. The computers can interact with each other in a network. They can receive an

Deploying host-based idss, Deploying Host-Based IDSs -Proper implementat...

Deploying Host-Based IDSs -Proper implementation of HIDSs can be painstaking and time-consuming task .The process of deployment begins with implementing most critical systems fi

Describe what the term session hijacking means, An overall rise in mobility...

An overall rise in mobility, coupled with the falling cost of Wi-Fi equipment, has led to a proliferation of Wi-Fi hot spots in public areas to provide Internet accessibility. Thus

Netfilter firewall, Netfilter Firewall Netfilter is the popular name f...

Netfilter Firewall Netfilter is the popular name for the packet filtering system installed by default in the Linux kernel. The filtering system can be used as a very effective

Public key infrastructure (pki)-cryptography, Public Key Infrastructure (PK...

Public Key Infrastructure (PKI) It is integrated system of software, encryption methodologies, protocols, legal agreements, and 3rd-party services enabling users to communicate

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages