Re: pcap_inject displaying in pcap_loop

[Eloy Paris <peloy () chapus net>]

On Tue, May 29, 2007 at 07:53:20PM -0600, David Vos wrote:

> I am using libpcap-0.9.5 on Mac OS 10.4.9.
>
> I have a pcap_loop() handler which displays the packets I receive.
>
> If I call pcap_inject(), then shortly after call pcap_loop(), the
> injected packet is displayed by pcap_loop.
>
> I tried to get around this by using pcap_setdirection(PCAP_D_IN), and
> while outgoing packets from the OS did not display in the pcap_loop(),
> the injected packet still did.
>
> Is there a way I can inject a packet with pcap_inject() and not see it
> display from pcap_loop()?

Don't use promiscuous mode or use a PCAP filter that discards the
packets you're injecting.

Cheers,

Eloy.-
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