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Is it possible to traceback any IP packet for its source assuming it is a legitimate packet and not spoofed??
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You won't know till you try it. Many will end at some router and you can't go through that gateway. Frankly it's mostly a waste of time. Better to block that IP and be done with it.
Yeah, I know that the routers have features to not to provide their owner source to any other party. But my interest is to check the status of connection for a Packet! Suppose if someone sent me a packet and I want to check whether that source is still connected or not! So basically I will ping to source IP and wait for reply. Now here I am a little bit in trouble with IP extraction from a packet. Anyway thanks for reply.
Unfortunately the nature of the IP protocol makes it extremely difficult to dependably identify the origin of an IP packet. While a variety of techniques have been created to identify the source of a large number packet flows, techniques have not yet been developed to track individual packets. As was recommended above, I suggest simply blocking this IP, as it could cause harm to your network.
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