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jmginer
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Posts: 115
Joined: Tue Dec 11, 2012 4:56 am

Reject incoming traffic if it's spoofed?

Thu Nov 12, 2015 10:43 am

It's possible?

http://spoofer.caida.org/

Thanks!
 
pe1chl
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Posts: 5923
Joined: Mon Jun 08, 2015 12:09 pm

Re: Reject incoming traffic if it's spoofed?

Thu Nov 12, 2015 10:55 am

No. A characteristic of this problem is that it can only be solved when all ISP finally co-operate and implement BCP-38 on their networks. Once the traffic reaches you, it is no longer possible to see if it is spoofed.

Of course you can help by making sure that your outgoing traffic is validated.

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