Rules against Spoofing on a external interface like eth0

[Anders Peter Fugmann]

Fiaif already does this.

Regards
Anders Fugmann

Ertan Gönülal wrote:
>  
> Hi,
> how i can write a Rule to protect against spoofing?
>  
> I want to write a rule like this in IP-Tables:
>  
> -A INPUT -s 192.168.1.0/255.255.255.0 -i eth0 -j DROP
>  
> The eth0 interface has for example a IP 195.30.40.1
>  
> 
> internet - eth0 ----| Firewall |----eth1(192.68.1.0/24)
> 
>  
> 
> 
> ------------------------------------------------------------------------
> 
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