wireshark ethernet

In Linux, common users use wireshark and linuxwireshark. ========================================Allows common users to use wireshark Subcontracting========================================> Create a wireshark GroupSudo groupadd wireshark> Add dumpcap to wireshark GroupSudo

Wireshark-Network packet analysis software The function of the network packet analysis software is to retrieve the network packet and display the most detailed network packet information as far as possible. Wireshark uses WinPcap as an interface to exchange data messages directly with the network card. Network administrator uses Wireshark to detect

Overview of Ethernet technology broadband access problems, there will be a lot of problems in contact with the Ethernet technology broadband access process, the problem of Ethernet technology broadband access settings has been a hot topic, therefore, we hope the following articles can help you solve this problem. Given that the current solutions and devices canno

that the length field of 802.3 is replaced by the Type field to indicate the protocol type of the frame. This is because ETHERNETII frames support multiple protocol types, while raw 802.3 frames support only one.similarities and differences of 3, 802.3 and EthernetiiFor the convenience of 802.3 and ethernetii two frame formats can be used in the network at the same time, it is stipulated that the maximum length of the data field in 802.3 and ethernetii must be less than 1500 bytes, that is, the

Ethernet switches are still commonly used. So I studied the Ethernet switch access solution and shared it with you here. I hope it will be useful to you. Fiber-optic Ethernet technology is the integration and development of the two mainstream communication technologies, namely, Ethernet and optical network. It integrat

From 10M, 100M, gigabit to Gigabit Ethernet, the development of Ethernet technology, in the rate of increase in the number of levels, the application of the field is also widening. However, the application requirements of different application fields have promoted the individualized development of Ethernet technology in these fields. At the same time,

GE Ethernet switches are one of the most widely used switches in enterprises. Here we mainly analyze how GE Ethernet switches and ATM affect network performance. The selection of the main networking technology directly affects the network system performance and future expansion and upgrade. The selection should be fully demonstrated and carefully conducted. In the previous years of network construction, man

Ethernet switches are still commonly used. So I have studied Ethernet switch configurations and supported network types. I would like to share them with you here and hope they will be useful to you. Rack-mounted switch, fixed configuration with/without expansion slot) rack-mounted switch is a slot type switch, which has good scalability and supports different network types, such as

Ethernet technology is still quite common, So I studied the Broadband Access Network Technology Based on Ethernet technology. Here I will share it with you, hoping it will be useful to you. Given that the current solutions and devices cannot fully meet the requirements of a public network environment such as the access network, we need to study the devices and technologies that adapt to the public network e

Ethernet switches are still commonly used, so I have studied the necessary factors to Promote the Development of Ethernet switches. I would like to share with you here, hoping to help you. With the free E-mail and WWW services, the Internet is growing rapidly, promoting the rapid development of Ethernet. Nowadays, more and more manufacturers are entering the

Wireshark SigComp parser Remote Denial of Service Vulnerability (CVE-2014-8710) Release date:Updated on: Affected Systems:Wireshark 1.10.0-1.10.10Description:Bugtraq id: 71069CVE (CAN) ID: CVE-2014-8710 Wireshark is the most popular network protocol parser. Wireshark 1.10.0-1.10.10 has a security vulnerability in the SigComp parser when processing malformed p

Wireshark AMQP parser Remote Denial of Service Vulnerability (CVE-2014-8711) Release date:Updated on: Affected Systems:Wireshark 1.10.0-1.10.10Description:Bugtraq id: 71070CVE (CAN) ID: CVE-2014-8711 Wireshark is the most popular network protocol parser. Wireshark 1.10.0-1.10.10 has a security vulnerability in the AMQP parser when processing malformed packet

Wireshark TN5250 parser Remote Denial of Service Vulnerability (CVE-2014-8714) Release date:Updated on: Affected Systems:Wireshark 1.10.0-1.10.10Description:Bugtraq id: 71072CVE (CAN) ID: CVE-2014-8714 Wireshark is the most popular network protocol parser. Wireshark 1.10.0-1.10.10 has a security vulnerability in the TN5250 parser when processing malformed pac

Wireshark decoding display of ping messages (be and LE)We are very familiar with the package structure of the ping message, but in this message decoding we find that the decoding of Wireshark has several parameters: Identifier (BE), Identifier (LE), Sequence number (BE), Sequence Number (LE), as shown in:Never notice wireshark is such decoding ping message, it fe

wireshark:http://download.csdn.net/detail/victoria_vicky/8819777First, Wireshark advantages and disadvantagesWireshark disadvantage: Can only view the packet, not modify the packet content, or send packets;Wireshark VS FiddlerFiddler: Specifically capture HTTP, HTTPS;Wireshark: Can get http, HTTPS, but can not decrypt HTTPS, so

TCP relative sequence numbers TCP Window Scaling By default Wireshark and tshark will keep track of all TCP sessions and convert all sequence numbers (SEQ numbers) and acknowledge numbers (ACK numbers) into relative numbers. this means that instead of displaying the real/absolute seq and ACK numbers in the display, Wireshark will display a seq and ACK number relative to the first seen segment for that con

For application recognition, data traffic generated by applications is often analyzed. Wireshark is used to capture packets. When extracting features, session filtering is required to find the key stream. The basic syntax of Wireshark filtering is summarized here for your reference. (My mind cannot remember anything) Wireshark can be divided into protocol filter

With the development of the exchange industry in China, we have also promoted the update and upgrade of the Ethernet switch technology. Here we mainly analyze the comprehensive performance of the Ethernet switch. Rack-mounted switch, fixed configuration with/without expansion slot) rack-mounted switch is a slot type switch, which has good scalability and supports different network types, such as

The topological structure of LAN The main features of LAN are: The network is owned by a unit, and the geographical range and the number of sites are limited. LAN has broadcast function, from a site can easily access the entire network, the host on the local area network can share a variety of hardware and software resources connected to the LAN. The local area network can be divided into bus structure, ring type structure, star structure, net structure, tree structure and mixed structure

What are the differences between layer-2 and layer-3 Ethernet switches and their basic types? The following are some comparisons: after reading this article, we will be able to fully understand the layer-3 Ethernet switch. Next we will talk about the three-layer Ethernet switch process. VLAN segmentation is used to isolate inter-VLAN communication, and layer-3