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60 lines
2.3 KiB
Text
60 lines
2.3 KiB
Text
Wireshark (aka Ethereal) is a free packet sniffer computer application. It
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is used for network troubleshooting, analysis, software and communications
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protocol development, and education. In June 2006, the project was renamed
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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 Qt5 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
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start wireshark as a normal user, while still providing it with all of the
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access 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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One may also test if things are ok running this command as a normal user:
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$ dumpcap -L
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You may also create a special group (wireshark) and include users allowed
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to monitor networks in that group:
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# groupadd wireshark
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# usermod -a -G wireshark <user>
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# chgrp wireshark /usr/bin/dumpcap
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# chmod 750 /usr/bin/dumpcap
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# setcap cap_net_raw,cap_net_admin=eip /usr/bin/dumpcap
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$ newgrp wireshark
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Other users not in the group wireshark can still open files with previously
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saved monitorings and inspect them.
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You will need to remove any already-installed wireshark package before
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building this one or else the new one will not work (the new build will
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link libraries present in the old package, which will then be removed
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when upgrading).
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Optional dependencies:
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- c-ares
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- krb5
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- nghttp2
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- spandsp
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- snappy
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- lz4
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- libsmi
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- libminizip
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NOTE: Wireshark 3.0 no longer support legacy GTK+ UI.
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NOTE: Although lua is listed as a requirement, it's possible to build
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using lua52. This may be needed for some third-party Lua plugins (but,
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it may break other third-party Lua plugins; your mileage may vary). The
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default is to build with lua52 if it's installed, or lua otherwise. If
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you have both lua versions installed, you can build with LUA52=no in
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the environment to build with the older lua.
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