Wireshark Essay

* Check existing security scan reports, from WireShark and NetWitness Investigator, and see if we can identify data leakage, and setup new policies and procedures for monitoring web servers and applications.

Protocol capture tools and protocol analyzers are important tools for an information systems security professional. These utilities can be used to troubleshoot issues on the network. They can verify adherence to corporate policies, such as whether or not clear text privacy data is being sent on the network. They can be used to test security countermeasures and firewall deployments and are needed to perform audits, security assessments, network baseline definitions, and identification of rogue IP devices.

Reflecting on several previous studies that have been carried out to compare the performance of the two NIDS, indicated Snort to be efficient in various issues. For instance, the comparison of Snort version 2.8.5.2 to Suricata version 1.0.2 was a clear indication of the strength of each system engine when subjected to the protection of the network. Their testbed incorporated the Ubuntu 10.04 which is a Virtual device accommodated on a VMWare Terminal 6.5 virtual setting operating on a 2.8GHz Quad-Core Intel Xeon CPU that had a 3GB RAM. The research was examining the quickness of detection and the accurateness of under changing rates of network and CPU usage (Albin, 2011). The control of the CPU used the Cpulimit with Tepreplay controlling the network bandwidth. The alert signals was accomplished by introducing six unknown malware that was created using the Metaspoilt framework. The results characterized Snort being efficient with system properties as compared to Suricata, but when functioning in a multi-CPU setting Suricata was extra efficient as a result of fewer false negatives

Wireshark is an open-source program which enables users to actively capture and interact with the network traffic which is being funnelled through the computer. Commonly, pieces of software which do this are referred to as ‘packet sniffers’ - As the program is recording the packets which pass through the network.

In my first screenshot, I have captured 4888 packets from my Local Area Connection. Within the first screenshot it shows the capture filters which includes TCP, IPX, UDP, etc. Furthermore, it’s just showing how to capture packets within a network. Wireshark is a sniffer that helps the user search within packets that allows it to be monitored to be analyzed with data. The purpose of this Hands-on Activity 4A, was to have the student experience and learn how to download and use a software (Wireshark) to increase their knowledge of advantages and disadvantages are within a sniffer. The steps I took were to browse the selection of the options provided on the program. I read some of the instructions in the textbook, Business Data Communications

OpenAudit application will alert to what traffic is on the network, how the network is setup and identification of how changes are effected.

in four categories: intrinsic features e.g. duration of the connection, type of the protocol (tcp, udp, etc),

For the purpose of this assignment snort will be used as intrusion detections systems which is an open source IDS, snort has the ability to monitor traffics in real time and packet locking its also inspecting each packets as they enters into the network, Snort can be used as packet sniffer to analyse the network traffic in order to detect any bizarre looking packets or payloads which might have malicious data in it. Snort can also detect payloads attacks against the network or host system including but not limited to stealth port scan, and buffer overflows.

Network protocol communications, network connections established by host computer, network routing information, information about computers

For our purpose we will focus on ECHELON was collects and analyzes signals of various networks. ECHELON was created to monitor

on the system. This makes it hard to identify, and consequently it is a hazardous kind of assault.

There are two types of Internet Protocol (IP) traffic, such as Transmission Control Protocol (TCP) and User Datagram Protocol (UDP). Some of the features that UDP possesses that are not provided by TCP/IP. First, UDP is a connectionless protocol (No handshake), which means packets sent from one node to another without making sure whether any packet may be lost during the transfer. TCP, on the other hand, makes sure to establish a connection in order to send the packets from one node to another without losing any packets. It is also known as handshake process, where nodes synchronize (SYN),

Network security has changed significantly over the past years. There is more and more data to monitor and analyze in order to detect the activity of your data and systems. Securing a network has many variables. Password authentication, network access, patches, anti-virus protection, intrusion detection, firewall and network monitoring tools are just a few of the things you can do to protect yourself.

A good place to begin with any examination is with the statistical and metadata information that can be uncovered within the packet capture. Using Wireshark Protocol Hierarchy Statistics, we can see that the traffic consists mainly of DNS datagrams (figure 1).

In this present time, wide range of network performance tools are available. These tools are very helpful for network administrator to check out the changes in the traffic over the network. However, network performance tools upsurge so it becomes very difficult to find out the appropriate tool. Whereas in this paper we worked on various network performance tools and find out the different metrics with various network performance tools. After manipulating different tools we evaluate these tools and find out which tool suits best over the others. By figuring out their main attributes, strengths and flaws.