On 28 Jan 2005, at 14:45, cyberpixl wrote: <snip>
Assume there is a local machine (our target) with ip 192.168.0.2 that is connected to the internet using a router 192.168.0.1/88.88.88.88 (that is not blocking icmp packets) and my machine is say, 33.33.33.33. If i then send an icmp packet to the 88.88.88.88 router with source ip set to 192.168.0.2, would it forward that packet to the host in its local network, or will it discard it?
Depends entirely on the router's configuration. Most will forward it; however, some will, whether out of misimplementation or paranoia, drop it.
Is there any way to deliver my packet to that local machine?
There are some other nifty tricks you ought to check out. For example, take a look at LimeWire's 'UDPConnect' protocol.
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