You mean you installed the "dhcp-relay" package and then your box does relay dhcp messages? Sure, but it shouldn't do that if you didn't install that package and just switched on IP routing, or should it? On Mon, 2007-07-16 at 12:07 -0400, Raciel wrote: > You´re wrong i had working a debian based firewall since november 23 of > 2006 and always relay DHCP broadcast without configuring anything just > install it and it works just fine actually i am using debian Etch RC-1 > i thing i´ll going to figure out how make some sort of DHCP autentication > before introduce the packets flow into the firewall itself > Thank you very much for your kindly response > Best regards