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Mark Fosseth wrote:
| In terms of probing IPs which is the difference between scanning an host
| spoofing the source IP via -S option or scanning through an idle scan
| via the -sI option beside perspetive of course ?
| I performed a normal -sS scan and later I issued the same command and
| option using also -S but despiting the fact the command started
| correctly I had no results even if the spoofed IP was online. Do you
| have an idea what I am missing ?
- -S sets the "self" address, -sI sets an "idlehost" address. And there's
the "target" address.
In a -sS scan, it sends packets [from self to target], and tries to read
for any [target to self] packets. The returning packets must pass by
your interface(s) on their way to the "self" address.
In a -sI scan, it sends packets [from idle to target] and [self to
idle]. It never registers [target to idle] replies, but tries to detect
them based on what it finds in the [idle to self] replies.
Rookie... Shouldn't last too long, I hope. :P
M.
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