Gleb Smirnoff wrote:
...
Moreover, in case of promisc + net.inet.ip.forwarding=1 our box will resend
all the received foreign packets :(
NetBSD has M_PROMISC presumably for detecting situations like this:
http://fxr.watson.org/fxr/ident?v=NETBSD&i=M_PROMISC
What do you think about checking that (ether_dhost == ours || BCAST || MCAST)
before sending packet to ether_demux?
Not complete; we could be acting as an ARP proxy or even a Layer 2 proxy.
I have to run out the door to run some errands, but the above link is a
start.
All the best,
BMS
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