Comments (4)
First, thank you very much for using and reporting issues in ksniff!
Regard tcpdump compilation failure: at the moment "make static-tcpdump" isn't supported and not really needed for macOS machines - ksniff use static tcpdump to sniff on remote containers which are mostly running on x64 Linux machines.
The required static-tcpdump binary is shipped alongside ksniff in both krew and on the release package.
If you'd like, you can also examine the compilation process in the project's travis page:
https://travis-ci.org/eldadru/ksniff
Regard the second error you experienced, I think I resolved that as part of #21 , please see my comment there for more information.
Please try the new version and update if that resolves your issue
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Thanks, @eldadru! I will give it a shot sometime today.
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@eldadru its working great, very neat! I see it won't run on non-privileged containers (understandable), but was wondering if there might be someway that you could combine a part of my plugin kubectl krew install exec-as
as a workaround? It will connect to any pod as root, regardless of privileges set on the container. The code is here if you want to take a look.
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Awesome!
Regard non-privileged containers - that what I had in mind, I came by your plugin and planned to use the same technique for ksniff as well. I'm trying to find a solution that will work for scratch containers as well.
Anyway, I'm closing this issue, lets continue the non-privileged discussion on #20
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Related Issues (20)
- Error: exit status 1 HOT 1
- In openshift 4.7 and higher we are unable to run oc sniff when namespaces have quotas enabled HOT 2
- support tshark? HOT 2
- netns return empty string so nothing is ever captured HOT 10
- can't execute 'ctr': No such file or directory HOT 3
- can't run in privileged mode
- Openshift 4.10 Mac M1 nsenter: can't execute 'tcpdump': No such file or directory
- sniff on RKE2 fails to create the ksniff pod HOT 2
- Vulnerable 3rd party libs
- Release new version HOT 1
- Add istio inject false label/annotation
- Add ARM linux based static-tcpdump HOT 1
- ksniff failing to create a privileged pod on the node with taints
- Issues running on arm64 HOT 1
- Can ksniff be used for one-time packet captures (~10 min) in production environment for debugging purposes? Apart from clean up of left over pods or containers, what else should I look into after using it for a short pcap?
- cloud storage support for sniff output
- Not able to build static-tcpdump on Ubuntu 22.04 Jammy
- Can we take tcpdump on multiple pods using ksniff ? For an example if a namespace has 4 PODs running can we take TCPDUMP on all the 4 PODs using kubectl sniff -p <pod1> <pod2> <pod3>
- 'kubectl sniff' command returning 139 exit/error code during execution. RCA required for failed attempt at packet capture so that workaround can be identified. HOT 6
- exitCode: '126' when using --tcpdump-image for an airgapped scenario HOT 1
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