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20 lines
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Text
20 lines
1 KiB
Text
Wireshark (aka Ethereal) is a free packet sniffer computer application. It is
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used for network troubleshooting, analysis, software and communications
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protocol development, and education. In June 2006 the project was
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renamed from Ethereal due to trademark issues.
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The functionality Wireshark provides is very similar to tcpdump, but it has
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a graphical front-end, and many more information sorting and filtering
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options. It allows the user to see all traffic being passed over the network
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(usually an Ethernet network but support is being added for others) by
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putting the network interface into promiscuous mode.
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Wireshark uses the cross-platform GTK+ widget toolkit. Its powerful features
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make it the tool of choice for network troubleshooting, protocol development,
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and education worldwide.
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If you use a filesystem that supports posix capabilities, an easy way to start
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wireshark as normal user, while still providing it with all the access
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permissions it requires, is by issuing the following command:
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setcap cap_net_raw,cap_net_admin=eip /usr/bin/dumpcap
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