Hi . . I already had the list of MAC Address .. and they stored in the file named maclist (ie. /etc/sysconfig/maclist) .. what I need is to configure iptables to read maclist file when there is incoming trafic from the IP address 172.16.2.241 to 172.16.2.250 ..if the MAC Address listed then the traffic will allowed otherwise the traffic will be dropped or rejected.. any idea ? .. please advise Regards Winanjaya ----- Original Message ----- From: "Marcos S. Trazzini" <mstrazzini@xxxxxxxxx> To: <netfilter@xxxxxxxxxxxxxxxxxxx> Sent: Wednesday, October 05, 2005 11:58 AM Subject: Re: IP and MAC Address check > On Wed, Oct 05, 2005 at 11:24:46AM +0700, Winanjaya - PBXSoftwares wrote: > > Hi All, > > > > I have list of Mac addresses and also have range of IP addresses.. how to set iptables with conditions below: > > > > Range of IP addresses: 172.16.2.241 to 172.16.2.250 > > > > List of MAC Addresses: (stored in a file named maclist) > > 01:02:03:04:05:0a > > 01:02:03:04:05:0b > > 01:02:03:04:05:0c > > 01:02:03:04:05:0d > > 01:02:03:04:05:0e > > 01:02:03:04:05:0f > > 01:02:03:04:05:1a > > 01:02:03:04:05:2a > > 01:02:03:04:05:3a > > 01:02:03:04:05:4a > > > > When Incoming package from the ranged IP address (172.16.2.241 to 172.16.2.250) then the mac address must be checked from the list of MAC Address, if the MAC Address matched then it allowed otherwise it will be rejected or dropped.. > > Hi All, > > This's my first reply to the list (And I wan't to send a lot more...), and > expect to help. Sorry for the the bad english (Need's a litle practice). > > Can't you associate each IP with a MAC address from the list? It's the best thing > to do (as it is the most secure...). > > Or.... maybe this is that you want: > > ---CUT HERE--- > while read mac; do > iptables -A INPUT -m mac --mac-source $mac -m iprange --src-range \ > 172.16.2.241-172.16.2.250 -j ACCEPT > done < /path/to/maclist > iptables -AINPUT -m iprange --src-range 172.16.2.241-172.16.2.250 -j DROP > ---CUT HERE--- > > This will create a lot of rules (One per MAC address from the list) instead of only one "wonderful rule". Of course the rules must be "best worked", but maybe this can solve the problem. > > See also: > # iptables -m mac --help > # iptables -m iprange --help > > -- > Marcos S. Trazzini > >