Since Wireshark is a data capturing program that "understands" the structure (encapsulation) of different networking protocols, it can parse and display the fields along with their meanings as specified by different networking protocols. Simple passive taps are extremely resistant to tampering Port mirroring or various network taps extend capture to any point on the network. However, when capturing with a packet analyzer in promiscuous mode on a port on a network switch, not all traffic through the switch is necessarily sent to the port where the capture is done, so capturing in promiscuous mode is not necessarily sufficient to see all network traffic. Wireshark lets the user put network interface controllers into promiscuous mode (if supported by the network interface controller), so they can see all the traffic visible on that interface, including unicast traffic not sent to that network interface controller's MAC address. It is very similar to tcpdump, but has a graphical front-end, plus some integrated sorting and filtering options. Wireshark is a free and open-source packet analyzer used for network troubleshooting, analysis, software and communications protocol development, and education. The following command will add the package repositories on your system: sudo add-apt-repository ppa:wireshark-dev/stable Install Wireshark from Linux Mint PPA repositories.Run the following commands to install Wireshark on the Linux Mint system: sudo apt install wireshark Install Wireshark from Linux Mint apt repositories.Before running the tutorial below, it’s important to make sure your system is up to date by running the following apt commands in the terminal: sudo apt update Install Wireshark on Linux Mint 20 Ulyana We recommend acting as a non-root sudo user, however, as you can harm your system if you’re not careful when acting as the root. A non-root sudo useror access to the root user.It’s recommended that you use a fresh OS install to prevent any potential issues.A server running one of the following operating systems: Linux Mint 20 (Ulyana).
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