Re: pcap filter for ingress egress selection

[Oguz Yilmaz <oguzyilmazlist () gmail com>]

I will follow developments o pcap-ng.

Thanks.

--
Oguz YILMAZ



On Sat, Jul 2, 2011 at 11:00 AM, Sake Blok <sake () euronet nl> wrote:
> On 24 jun 2011, at 11:10, Oguz Yilmaz wrote:
>
> > Are there any pcap filter for selecting packets according to their
> > direction. My solution was using "ether dst" or "ether src". hoıwever
> > this depends on knowing MAC address of the interface. I want to ask
> > whteter there is another way of selection of ingress and egresss
> > packets seperately.
>
> The pcap format does not provide means to store the direction of a packet (or the interface on which it was 
> captured). So when using pcap files, you will have to filter by mac-addresses and/or IP addresses. This does however 
> mean you have to know the topology of the network.
>
> In pcap-ng, I think there is the possibility to store interface and direction information. But AFAIK this has not 
> been implemented in Wireshark yet (pcap-ng support is slowly increasing in Wireshark).
>
> Hope this helps,
> Cheers,
>
>
> Sake
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