Re: [despammed] port translation

[Romain Moyne <aero_climb@yahoo.fr>]

Andreas Kretschmer a écrit :

>am  Sun, dem 11.01.2004, um 11:21:17 +0100 mailte Romain Moyne folgendes:
>  
>
>>Hello,
>>
>>I'm French and my english is bad ;)
>>    
>>
>
>I'm German and my english is bad, too ;-)
>
>  
>
>>I have a http server (debian 3.0) behind a router (debian 3.0). I have a 
>>problem when I want to log the visitor's IP of my website with PHP or 
>>Perl or all language. I have always the IP of my router ! Somebody tell 
>>me that I must do port translation but I have searched and I haven't 
>>fand anything.
>>Can you help me ?
>>This is the rules of my router :
>>
>>iptables -t nat -A PREROUTING -d MyIP -p tcp --dport 80 -j DNAT 
>>--to-destination 192.168.0.3:80
>>    
>>
>
>With this rule you make a 'DNAT', the WebServer can only see the
>Source-IP from your router.
>
>You can install a WebServer or an Proxy for your Webserver on the
>router, than you can see the visitor's IP and you can log this.
>
>A other way is to analyse the logged packets on the router.
>
>
>Andreas
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>
There isn't another possibility ? I must install a proxy ? (a proxy with 
a pentium 133Mhz will run bad ?)