On Sat, Mar 16, 2002 at 12:57:07PM +0100, ekm wrote: > Could you help me? > My DHCP client (package name is dhclient) is still working even though I denied all >network traffic on the > eth0. The operating system is a SuSE Linux 7.2, the kernel is a 2.4.17. I tried >kernel 2.4.18 with the same result.
That's because the ISC DHCP client and server use raw sockets for sending and receiving DHCP packets. It gets them before they get to the TCP/IP stack, so it will still see those packets even if Netfilter/iptables throws them out. -- Derrik Pates | Sysadmin, Douglas School | #linuxOS on EFnet [EMAIL PROTECTED] | District (dsdk12.net) | #linuxOS on OPN
