sharppcap | Official repository | Learning library
kandi X-RAY | sharppcap Summary
kandi X-RAY | sharppcap Summary
Fully managed, cross platform (Windows, Mac, Linux) .NET library for capturing packets from live and file based devices. The official SharpPcap repository.
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QUESTION
So I am trying to make a program that parses certain udp packets on my network. To do this I use Sharppcap and C#. I have this filter expression and it works flawlessly in wireshark: udp and frame.protocols==eth:ethertype:ip:udp:data
.
However, when I try to implement this in my C# Application I get an Exception because the filter Expression is not BPF-Valid (I think).
Does anyone have an idea what the correct syntax would achieve the same thing in BPF?
...ANSWER
Answered 2021-Jan-12 at 16:52Seems like you are mixing Capture Filters and Display Filters. The udp
part of your filter seems to be a Capture Filter, while the rest is a Display Filter. The display filter just hides some results in Wireshark, while the Capture Filter, actually cuts away packages that do not match the filter. Refer to the pcap filter documentation on how to construct a filter: https://www.tcpdump.org/manpages/pcap-filter.7.html
So your pcap filter in your case is essentially udp
, you are interested in UDP packages only.
The Display Filter part is up to you to do in your code when you inspect the packages.
QUESTION
Iam loading all my dependencies from a server, however Iam faceing an Issue with loading 2 specific Dll files.
...ANSWER
Answered 2020-Apr-06 at 01:49Well the issue was somewhere else, instead of loading the SharpGL.WPF.dll my server sent me the SharpGL.dll, the string comparison on the server was the issue! Thx to everyone.
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