IP Spoofing / SYN Flooding

hey, to all, is there a linux tool, that can capture a tcp connection (like tcpdump) and unfold the real ip from the attacking host, when the ip adress is forged (ip spoofing)?? Harald Scharf Softpoint electronic Netzwerksysteme / Firewalls Windows NT/Windows 2000/Linux/Netware/Unix mailto:h.scharf@softpoint.at www.softpoint.at www.simplex.at

When a IP packet is "spoofed" (i.e., its source address is changed) there's really no manner to know which was the true IP of the sender, that's not a trouble within LiNUX systems, that's how IPv4 protocol works. Have a good one. Harald Scharf wrote:
hey, to all,
is there a linux tool, that can capture a tcp connection (like tcpdump) and unfold the real ip from the attacking host, when the ip adress is forged (ip spoofing)??
Harald Scharf Softpoint electronic Netzwerksysteme / Firewalls Windows NT/Windows 2000/Linux/Netware/Unix mailto:h.scharf@softpoint.at www.softpoint.at www.simplex.at
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Francisco M. Marzoa Alonso
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Harald Scharf