Comments (7)
Thanks for the report, I'll try to improve that.
from termshark.
termshark
is relaying the permissions issue that dumpcap ran into. termshark could ask for sudo privileges, but tshark/dumpcap fail on permission error, so termshark should mimic behavior.
@sagis-tikal This is an issue if capturing with command dumpcap
does not produce this error but capturing with termshark
does. Otherwise, please close this issue.
from termshark.
I ran into this to I got "Could not find network interface vcan0" but the problem was my permissions a more descriptive error or just adding the age ol "Are you root?" to the existing error message would be an improvement. running with sudo fixed it.
from termshark.
Permission Errors
This is tshark's permission error:
tshark: Couldn't run /usr/bin/dumpcap in child process: Permission denied
Checking in an Ubuntu VM, this is what I get for termshark without sudo:
Cannot capture on interface ciscodump: fork/exec /usr/bin/dumpcap: permission denied (exit code -1)
See https://wiki.wireshark.org/CaptureSetup/CapturePrivileges for more info.
Which is plenty informative, and better than tshark's error message.
Need Info
Can users experiencing this issue please post
tshark -v
- the error text that termshark gives without sudo?
from termshark.
I think I have introduced a regression in termshark v2. I'll look at making this more informative.
from termshark.
I added a more useful comment - to run a setcap command, and as @mr-sour suggested, the good old-fashioned "use root" ;-)
If you want to try it, the latest can be installed with
go get github.com/gcla/termshark/v2/cmd/termshark@master
from termshark.
I added this link too: https://termshark.io/no-root
I'll close this issue now.
from termshark.
Related Issues (20)
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