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How to use wireshark to troubleshoot network issues
How to use wireshark to troubleshoot network issues












how to use wireshark to troubleshoot network issues

Open files containing packet data captured with tcpdump/WinDump, Wireshark, and a number of other packet capture programs.Capture live packet data from a network interface.The following are some of the many features Wireshark provides: Others use it to learn network protocol internals Features At A Glance.Developers use it to debug protocol implementations.Network security engineers use it to examine security problems.Network administrators use it to troubleshoot network problems.Here are a few examples of what people use Wireshark for: Wireshark has quite an extensive application or use. Verify the change – sudo getcap /usr/bin/dumpcap What Wireshark Is Used For? Grant capabilities with setcap – sudo setcap cap_net_raw,cap_net_admin=eip /usr/bin/dumpcap sudo groupadd wiresharkĪdd your username to the Wireshark group – sudo usermod -a -G wireshark USERNAMEĬhange the group ownership of file dumpcap to wireshark – sudo chgrp wireshark /usr/bin/dumpcapĬhange the mode of the file dumpcap to allow execution by the group wireshark – sudo chmod 750 /usr/bin/dumpcap ​ “No interface can be used for capturing in this system with the current configuration”.The following steps will rectify this.Ĭreate a Wireshark group.

how to use wireshark to troubleshoot network issues how to use wireshark to troubleshoot network issues

If you run Wireshark as a non-root user (which you should) at this stage you will encounter an error message which says. To install Wireshark just enter the following command in your terminal – sudo apt-get install Wireshark Wireshark will then be installed and available for use. Wireshark is a cross-platform tool that runs on Linux, Microsoft Windows, macOS, BSD, Solaris, and other Unix-like operating systems. It lets you see what’s happening on your network at a microscopic level and is the de facto (and often de jure) standard across many commercial and non-profit enterprises, government agencies, and educational institutions. It is used for network troubleshooting, analysis, software, and communications protocol development. Wireshark is a free and open-source packet analyzer.














How to use wireshark to troubleshoot network issues