Arp pinging

["Chris the Elder" <chippo () cequrux com>]

Greetings,  
  
I'm new 
to nmap, 
and I 
hope one 
day to be 
hardcore/hacker.  
But I 
can't 
find  
a newbies 
nmap 
mailing 
list.  
Sorry.  
  
I was 
hoping 
that I 
could 
find a 
section 
in the 
nmap man 
page 
related 
to  
pinging 
that said 
something 
like:  
  
-Q  Do 
arp 
pinging. 
nmap arps 
for an 
ethernet 
address 
for a 
specific 
IP  
    address, 
to decide 
whether 
to scan 
that 
address.  
Note, 
this 
pinging  
    will 
only work 
on 
broadcast 
networks.  
  
Is it 
possible 
to get 
nmap to 
do this 
currently?  
Is there 
maybe a 
reason  
that this 
is 
undesirable 
or 
unfeasible 
or of not 
much use 
to 
anyone?  
  
The 
reason 
that I 
fanasized 
about 
such an 
option, 
is that 
on this 
network,  
people 
run 
personal 
firewalls, 
which 
block 
icmp.  
They also 
have 
disparate  
enough 
uses, 
that 
there 
isn't a 
small 
number of 
TCP ports 
that I 
could use  
for TCP 
pinging 
to find 
the up 
machines.  
  
Cheers,  
chippo  

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