Tag:Grab a bag

  • Using tcpdump to grab packets in Linux system


    Let me first look at the example code: 1. Common parameters tcpdump -i eth0 -nn -s0 -v port 80 -I select the network card to monitor -NN does not resolve the host name and port number, and captures a lot of data. Name resolution will slow down the resolution speed -S0 unlimited capture length -V […]

  • Examples of tcpdump commands in Linux


    Preface To define tcpdump in a simple way is: dump the traffic on a network, a package analysis tool for intercepting data packets on the network according to the user’s definition. Tcpdump can intercept the “head” of the packets transmitted in the network completely and provide analysis. It supports filtering for network layers, protocols, hosts, […]