using wireshark to find network problems

Linux Wireshark Ordinary users cannot get network interface problems 1. Install Setcap, Setcap is part of the Libcap2-bin package, in general, the package is already installed by default. sudo apt-get install libcap2-bin2. Create Wireshark Group. This step will also be completed when installing

Wireshark is a very accurate and stable TCP capture tool, but look at its more than 40 m of the installation package can imagine its powerful, with its powerful expression filter, can quickly filter out the messages and records we need, Recently, I have been using Wireshark to infer the fault point of network performan

network even if all the configurations are completed. I don't know much about network. the solution is to add an adapter and a private address on the "internal" network object configuration page. for the minimum IP address range, click "add private IP Address" to add 192.168.0.0 to 192.168.255.255. For a larger IP address range, click "add adapter ", select the

Wireshark, formerly known as ethereal, is an amazing network monitoring tool. It helps you to capture the data packets being sent/received by your network interface and analyze it. Warning:Before using Wireshark in promiscuous mode Make sure that you have the required permi

The first step must be to download the Wireshark software to the top of this machine first. After downloading, we put the installation package of this software on the C drive, and set the share for the C drive, and put the installation package on the top of the virtual machine.Explain how to set up sharing on this computer:For example, we share the E-drive settings:1. Right-click on "e-Disk" and select "Share":2, then step by step setup, after setting

By default, the root permission is required to access the network port, while Wireshark only requires a UI of/usr/share/dumpcap, and/usr/share/dumpcap requires the root permission, therefore, non-root users cannot read the NIC list. The solution is simple. sudo Wireshark However, Wireshark does not officially recommen

JinHot Hot HotTun Tun TunThe following is the body content:Search Webshell using Search engines:There are various webshell on the network, such as:“All kinds of domestic Webshell backdoor password Daquan, has been eliminated duplicates:”You can use the name provided here to find Webshell. (Of course, since the spread out, it is generally difficult to guarantee a

With a limited network, there are always two problems with the Nexus, which gives you a headache.I have a headache, in order not to let everyone headache, put the solution here for your reference.Issue one, background: Nexus cannot update the index of the remote repository due to network reasons.Solution 1:1, first update the index on the machine that can connect

1. Data link and frame.(1) A link is a physical line between two adjacent nodes . When data needs to be transmitted on a single line, some communication protocols are needed to control the data, and the hardware and software that implement these protocols are combined with the physical lines to form the data link. The way to do this is for example a network adapter.(2) frame is when the network layer down