[Click] trying to use IPRewriter

[Eddie Kohler]

Kaushik,

This configuration is unlikely to work.  Among other reasons, KernelTap 
is deprecated.

Look at mazu-nat.click instead.  You'll need to run this configuration 
in the kernel.

Eddie


On Jul 8, 2004, at 3:37 AM, kaushik saikia wrote:

> Hello,
>  
> I am a novice in using click. I have dowloaded click and trying use it 
> user mode.
>   
> My basic intension is to redirect a packet which has come to one 
> particular host to another host.(something similar to a proxy server).
>  
> For this purpose, I have picked up a very simple example from the 
> example programs which comes along with click package.
>  
> the program goes like this..
>  
> Idle
>   -> kt :: KernelTap(1.0.0.1/8)
>   -> cl :: Classifier(12/0800 30/01010101 23/11,    // IP/UDP to fake 
> address
>                       12/0800 23/11 36/0035,  // IP/udp/dns
>                       -);
>  
> rw :: IPRewriter(pattern 1.1.1.1 1024-65535 1.0.0.1 - 0 1);
>  
> // From proxy program.
> cl[0] -> Strip(14) -> CheckIPHeader -> rw;
>  
> // From requesting host.
> cl[1] -> Strip(14) -> CheckIPHeader -> rw;
>  
> // To DNS proxy.
> rw[0] -> EtherEncap(0x0800, 0:0:0:0:0:0, 0:0:0:0:0:0) -> kt;
>  
> // Return from DNS proxy to requesting host.
> rw[1] -> EtherEncap(0x0800, 0:0:0:0:0:0, 0:0:0:0:0:0) -> kt;
>  
> cl[2] -> Print(other) -> Discard;
>  
> I think i can use this program to fulfill my requirement. But 
> unfortunately i am not fully able to understand this program. If 
> someone can explain this program, I will be really grateful and then i 
> can make necessary changes to meet my requrement.
>  
> thanks in advance,
> -Kaushik.
>  
>  
>
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