[Zeek] non_ip_packet_in_ethernet on a TCP three way handshake

Johanna Amann johanna at icir.org
Mon Jun 24 13:46:09 PDT 2019


Hi Hui,

Just to check the obvious - did you look at the trace in 
tcpdump/something else to check that it actually has correct ethernet 
headers, etc?

Johanna

On 24 Jun 2019, at 13:24, Hui Lin (Hugo) wrote:

> Hi,
>
> I have a pcap containing only a TCP three way hand shake. When I tried 
> this
> pcap in "try zeek" online with a simple tcp_packet event handler, 
> nothing
> is print out and an non_ip_packet_in_ethernet warning is generated in 
> the
> wierd log. Any idea what is going on?
>
> Best regards,
>
> Hui Lin
>
>
>
>
> -- 
> Hui Lin
> Ph.D. Candidate (http://hlin33.web.engr.illinois.edu/)
> DEPEND (http://depend.csl.illinois.edu/)
> ECE, Uni. of Illinois at Urbana-Champaign
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