![]() ![]() The first simple command to use is tcpdump -n $ sudo tcpdump -n It is compatible with tcpdump (in terms of usage and options). It is documented here.įor windows use the alternative called windump. Tcpdump depends on libpcap library for sniffing packets. On ubunut for example it can be installed by typing the following in terminal $ sudo apt-get install tcpdump In this tutorial we are going to learn to use tcpdump and how it can be used for network analysis. It can be thought of as the commandline version of wireshark (only to a certain extent, since wireshark is much more powerful and capable).Īs a commandline tool tcpdump is quite powerful for network analysis as filter expressions can be passed in and tcpdump would pick up only the matching packets and dump them. Tcpdump is a commandline network analyzer tool or more technically a packet sniffer. ![]()
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