[EMAIL PROTECTED] wrote:

>Am urmatorul script prin care dau acces la internet doar anumitor statii
>din reteaua locala.
>#!/bin/bash
>
>iptables -F
>iptables -t nat -F
>
>#Inchid unele porturi pentru a proteja windowsul de unii virusi
>iptables -I FORWARD -p tcp --dport 137:139 -j DROP
>iptables -I FORWARD -p udp --dport 137:139 -j DROP
>iptables -I FORWARD -p tcp --dport 415 -j DROP
>
>#SNAT
>
>iptables -t nat -I POSTROUTING -s 172.27.37.2 -d 172.27.37.1 -j SNAT --to 82.77.126.77
>iptables -t nat -I POSTROUTING -s 172.27.37.3 -d 172.27.37.1 -j SNAT --to 82.77.126.77
>iptables -t nat -I POSTROUTING -s 172.27.37.4 -d 172.27.37.1 -j SNAT --to 82.77.126.77
>iptables -t nat -I POSTROUTING -s 172.27.37.5 -d 172.27.37.1 -j SNAT --to 82.77.126.77
>
>Doresc ca tot traficul sa fie realizat prin squid. Am configurat squid-ul,
>am introdus in script urm linie:
>iptables -t nat -A PREROUTING -p tcp --dport 80 -j REDIRECT --to-port 8080
>
regula asta nu se executa daca adaugi (-A) dupa regulile de SNAT. 
foloseste tot -I

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