On 04/10/2014 05:04 AM, Maykel Franco wrote: > Hi, I have installed wireshark-gtk2. But when go to Capture/Interfaces > I get this error: > > There are no interfaces on which a capture can be done. > > I follow this steps: > > Setting network privileges for dumpcap > > 1. Ensure your linux kernel and filesystem supports File Capabilities > and also you have installed necessary tools. > > 2. "setcap 'CAP_NET_RAW+eip CAP_NET_ADMIN+eip' /usr/bin/dumpcap" > > 3. Start Wireshark as non-root and ensure you see the list of > interfaces and can do live capture. > > Limiting capture permission to only one group > > 1. Create user "wireshark" in group "wireshark". > > 2. "chgrp wireshark /usr/bin/dumpcap" > > 3. chmod 754 /usr/bin/dumpcap > > 4. "setcap 'CAP_NET_RAW+eip CAP_NET_ADMIN+eip' /usr/bin/dumpcap" > > 5. Ensure Wireshark works only from root and from a user in the > "wireshark" group > > > Thanks in advanced. > That's strange. This is the same error that appears when running wireshark as a user not assigned to the wireshark group. The only configuration I had to do was add myself to the wireshark group (which wireshark-gtk2 created): # gpasswd -a kyle wireshark This is according to the instructions on the wiki [1]. Here is some information on how dumpcap is installed on my box: > kyle@landru ~ $ ls -la /usr/bin/dumpcap > -rwxr-xr-- 1 root wireshark 85648 Apr 10 12:45 /usr/bin/dumpcap > kyle@landru ~ $ getcap /usr/bin/dumpcap > /usr/bin/dumpcap = cap_net_admin,cap_net_raw+eip > kyle@landru ~ $ stat /usr/bin/dumpcap > File: ‘/usr/bin/dumpcap’ > Size: 85648 Blocks: 168 IO Block: 4096 regular file > Device: 801h/2049d Inode: 1069550 Links: 1 > Access: (0754/-rwxr-xr--) Uid: ( 0/ root) Gid: ( 150/wireshark) > Access: 2014-04-11 10:35:22.830667985 -0700 > Modify: 2014-04-10 12:45:35.000000000 -0700 > Change: 2014-04-11 10:35:11.947230948 -0700 > Birth: - > kyle@landru ~ $ lsattr /usr/bin/dumpcap > -------------e-- /usr/bin/dumpcap > kyle@landru ~ $ pacman -Qo /usr/bin/dumpcap > /usr/bin/dumpcap is owned by wireshark-gtk2 1.10.6-1 > kyle@landru ~ $ --Kyle [1]: https://wiki.archlinux.org/index.php/Wireshark
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