Are elevated privileges required in Wireshark 3.0.0 on Windows?

asked 2019-03-14 16:12:24 +0000

caweakley
3 ●1 ●1 ●2

updated 2019-03-14 20:58:50 +0000

Guy Harris
19890 ●3 ●660 ●207

Version 3.0.0 appears to be asking for elevated privileges when "finding local interfaces". We do not have this problem with version 2.6.6.

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Elevation shouldn't be required, what is your OS and capture library? Please post the contents (you can highlight and copy and paste) of the Wireshark -> Help -> About Wireshark -> Wireshark tab to give us the info.

grahamb ( 2019-03-14 16:15:34 +0000 )edit

Here is the info:

Version 3.0.0 (v3.0.0-0-g937e33de) 

Copyright 1998-2019 Gerald Combs <[email protected]> and contributors. License GPLv2+: GNU GPL version 2 or later <http://www.gnu.org/licenses/old-licenses/gpl-2.0.html> This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 

Compiled (64-bit) with Qt 5.12.1, with WinPcap SDK (WpdPack) 4.1.2, with GLib 2.52.2, with zlib 1.2.11, with SMI 0.4.8, with c-ares 1.14.0, with Lua 5.2.4, with GnuTLS 3.6.3 and PKCS #11 support, with Gcrypt 1.8.3, with MIT Kerberos, with MaxMind DB resolver, with nghttp2 1.14.0, with LZ4, with Snappy, with libxml2 2.9.9, with QtMultimedia, with AirPcap, with SBC, with SpanDSP, with bcg729. 

Running on 64-bit Windows 10 ...

(more)

caweakley ( 2019-03-14 16:40:39 +0000 )edit

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answered 2019-03-14 16:46:07 +0000

grahamb

flag of United Kingdom of Great Britain and Northern Ireland

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You're running on Windows and using npcap (an older version at that) as can be seen from the output with Npcap version 0.99-r4.

You've probably checked an npcap install option to require elevated permissions to capture. To fix this, download the npcap installer (currently 0.99-r9) and when installing ensure the option to require admin privileges to capture is unchecked.

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Thank you, this was helpful.

caweakley ( 2019-03-14 19:34:08 +0000 )edit

If an answer has solved your issue, then please accept it by clicking the checkmark icon to the left of the answer. This informs other users with the same issue that this is a "good" answer.

grahamb ( 2019-03-14 19:41:48 +0000 )edit

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answered 2019-03-15 09:15:46 +0000

Roger
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As far as I know, wireshark ask for elevated privileges. I guess to handle promiscuous mode.

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This is incorrect. Wireshark does not require elevated privileges. The capture library, e.g. npcap may be configured to do so, but that is external to Wireshark.

On other OS's e.g. Linux\OS X, then other configuration steps may be required to allow non-root access capturing.

grahamb ( 2019-03-15 10:53:47 +0000 )edit

You're right. I talking about defaults. And I like to limit this to elevated privileges. :)

Roger ( 2019-03-18 11:31:30 +0000 )edit

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