Nowadays, grasping bags is a must-know skill for IT people and #network practitioners, but there are not many skillful and exquisite applications, and even fewer are really "familiar" with the following three.
First, Wireshark (shark), is the "leader" in the grasping tool, known as the "boss" in the industry, is the "leader" of free, open source network protocol analysis software. The excellent and powerful tool goes without saying, who uses who knows!
The latest version of Wireshark is 3.6.3
Second, Colasoft Capsa, the full name is The Network Analysis System, is the classic of the domestic package grabbing software, relying on it to solve a lot of network failure problems, its humanized interactive interface, suitable for the Chinese people's habits of the packet structure display, chart analysis, nodes, protocols, etc., especially the report function, can present a whole process of data resources, not only can assist in analysis, archiving, the most important thing is to demonstrate and explain to customers, through PPT comparison, To enable customers to more intuitively understand the technical "lame and difficult to explain" problem, no matter from which point of view, Kolai is an indispensable tool for learning and analyzing network protocols.
Domestic "Kelai"
Third, Fiddler, the package grabbing tool is mainly used for bug debugging of web pages, behind its fame has a more "magical" function, many netizens know that "Fiddler learns well, prison food is full." But it is undeniable that its function is powerful, you can grab the data you want, and it is undeniable that people with ulterior motives will use it to "phish" or tamper with some information, as long as it is used for debugging, analysis and learning, don't do bad things, positive energy development, Fiddler is still very powerful. Maybe you'll come across the "Strange Edge" message of the console log ("XXX") or not!
The above three are PC-side packet grabbing tools, and after setting up, you can also grab the packets of the mobile phone, which requires everyone to study it. Have ideas to comment on the exchange!