tcpdump mailing list archives

Re: Any way to filter ether address when type is LINUX_SLL?


From: Michael Richardson via tcpdump-workers <tcpdump-workers () lists tcpdump org>
Date: Thu, 21 Jan 2021 16:17:57 -0500

--- Begin Message --- From: Michael Richardson <mcr () sandelman ca>
Date: Thu, 21 Jan 2021 16:17:57 -0500
Bill Fenner via tcpdump-workers <tcpdump-workers () lists tcpdump org> wrote:
    > It would be perfectly reasonable (and fairly straightforward) to update
    > libpcap to be able to filter on the Ethernet address in DLT_LINUX_SLL
    > or DLT_LINUX_SLL2 mode.  There are already filters that match other
    > offsets in the SLL or SLL2 header.  However, I don't think it could be
    > done on live captures, only against a savefile.

Yes, I agree.

--- End Message ---
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