Re: [LIP] packet analyzing and capturing ?

On Fri, 2003-10-24 at 03:01, Binand Sethumadhavan wrote:
> Or loop through your subnet parallely and send directed pings, which is
> what nmap -sP -PI does. I find it more reliable than ping -b. The above
> behaviour is not unique to Microsoft, as I have figured out recently -
> a number of devices have TCP/IP stacks that do not respond to broadcast
> pings. nmap has other techniques to detect hosts that block pings
> altogether.
> 
> Binand

Agreed.
Couple of caveats in that. 
1. might take a lot of time considering it might not be a class C
subnet.
2. you can have a sub-subnet inside a subnet. In that case, even subnet
broadcasts don't work. Full broadcasts (255.255.255.255) works for some
of the UNIX/Linux machines in that case.

Regards.
LinuxEnthu



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