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Re: [FW1] Spoofing Issue



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Hi,

> You get the picture.  My anti-spoofing rules are dropping this traffic but
> is there an easy (or not so easy) way to determine the real source
> address?
> Do I need to place a sniffer on the outside and capture the traffic or can
> I
> get this info from the firewall somehow?

You can trace all the traffic with packetsniffer like windump or tcpdump
(depending on your OS) and search for Packets wiht the same
destination and protocol but a different IP.
My supposition is. There was a attacker who used nmap and sended you some
packets with faked sourceadress. This is normal today.

regards
Thomas

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