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PASSIVE IP TRACEBACK: DISCLOSING THE LOCATIONS OF IP SPOOFERS FROM PATH BACKSCATTER

ABSTRACT

          As a network security systems refers to the long known attackers may use forged source IP address to conceal their real locations. To capture the spoofers, a number of IP traceback mechanisms have been proposed. However, due to the challenges of deployment, there has been not a widely adopted IP traceback solution, at least at the Internet level. As a result, the mist on the locations of spoofers has never been dissipated till now. This paper proposes passive IP traceback (PIT) that bypasses the deployment difficulties of IP traceback techniques. PIT investigates Internet Control Message Protocol error messages (named path backscatter) triggered by spoofing traffic, and tracks the spoofers based on public available information. In this way, PIT can find the spoofers without any deployment requirement. This paper illustrates the causes, collection, and the statistical results on path backscatter, demonstrates the processes and effectiveness of PIT, and shows the captured locations of spoofers through applying PIT on the path backscatter data set. These results can help further reveal IP spoofing, which has been studied for long but never well understood. Though PIT cannot work in all the spoofing attacks, it may be the most useful mechanism to trace spoofers before an Internet-level traceback system has been deployed in real.

EXISTING SYSTEM	PROPOSED SYSTEM
EXISTING CONCEPT:- In the Existing system IP trackback approaches can be classified into five main categories: packet marking, ICMP trackback, logging on the router, link testing, overlay, and hybrid tracing. Existing traceback mechanisms are either not widely supported by current commodity routers or will introduce considerable overhead to the routers generation especially in high- performance networks.	PROPOSED CONCEPT:- In the proposed system are users and applications passive IP traceback (PIT) that bypasses the deployment difficulties of IP traceback techniques. PIT investigates Internet Control Message Protocol error messages (named path backscatter) triggered by spoofing traffic, and tracks the spoofers based on public available information
EXISTING TECHNIQUE:- Internet Control Message Protocol.	PROPOSED TECHNIQUE:- Passive IP Traceback (PIT)
TECHNIQUE DEFNITION:-   ICMP traceback generates addition ICMP messages to a collector or the destination. The ICMP messages can be used to reconstruct the attacking path.   Internet Control Message Protocol (ICMP) generation especially in high-performance networks.	TECHNIQUE DEFNITION:-   PIT is used to perform IP traceback; it is very different from existing IP traceback mechanisms. PIT is inspired by a number of IP spoofing observation activities. Thus, the related work is composed by two parts. The first briefly introduces existing IP traceback mechanisms, and the second introduces the IP spoofing observation activities.
DRAWBACKS:-           Not so efficient if there is heavy interaction between branches Data should be carefully maintained.	ADVANTAGES:- This techniques is very efficient if there is heavy interaction between branches We can store the data normally and efficiently.