Re: [gentoo-user] Rogue dhcp server

2003-10-28 Thread mathieu perrenoud
On Monday 27 October 2003 23:15, Chris I wrote: allowed to be used. I've tried ip and mac filtering in iptables,   but it doesnt seem to be effective. why isn't it effective? Did you try -j LOG before the -j DROP to see if the rule is matched? iptables -t filter -A INPUT -m mac

Re: [gentoo-user] Rogue dhcp server

2003-10-28 Thread Chris I
On 2003.10.28 17:35, mathieu perrenoud wrote: On Monday 27 October 2003 23:15, Chris I wrote: allowed to be used. I've tried ip and mac filtering in iptables,   but it doesnt seem to be effective. why isn't it effective? Did you try -j LOG before the -j DROP to see if the rule is matched?

Re: [gentoo-user] Rogue dhcp server

2003-10-27 Thread Stephen Varga
On Sun, 2003-10-26 at 19:47, Chris I wrote: Hi. I, and many others at my school are having a problem with (at least) one person running a DHCP server on their laptops. People often get invalid addresses due to this and cannot (easily) access network resources. It's so far been fairly

Re: [gentoo-user] Rogue dhcp server

2003-10-27 Thread Mike Williams
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On Monday 27 October 2003 00:47, Chris I wrote: Hi. I, and many others at my school are having a problem with (at least) one person running a DHCP server on their laptops. People often get invalid addresses due to this and cannot (easily) access

Re: [gentoo-user] Rogue dhcp server

2003-10-27 Thread Chris I
On 2003.10.27 11:52, Stephen Varga wrote: On Sun, 2003-10-26 at 19:47, Chris I wrote: Hi. I, and many others at my school are having a problem with (at least) one person running a DHCP server on their laptops. People often get invalid addresses due to this and cannot (easily) access

Re: [gentoo-user] Rogue dhcp server

2003-10-27 Thread Stephen Varga
Unfortunately I am not an admin, I'm a lowly student. The admins seem to think that it is a config issue on my end, and refuse to even look into it. Maybe I should stick gum in their hair or something suitibly mature. Sorry to hear that you are unable to get the proper attention to

[gentoo-user] Rogue dhcp server

2003-10-26 Thread Chris I
Hi. I, and many others at my school are having a problem with (at least) one person running a DHCP server on their laptops. People often get invalid addresses due to this and cannot (easily) access network resources. It's so far been fairly hard to track down this individual, so we can't

Re: [gentoo-user] Rogue dhcp server

2003-10-26 Thread Andrew Gaffney
Chris I wrote: Hi. I, and many others at my school are having a problem with (at least) one person running a DHCP server on their laptops. People often get invalid addresses due to this and cannot (easily) access network resources. It's so far been fairly hard to track down this individual,

Re: [gentoo-user] Rogue dhcp server

2003-10-26 Thread Doug Weimer
On Sun, 2003-10-26 at 16:47, Chris I wrote: Short from trying harder to find him and kicking him in the shins, can anybody think of a way to block dhcp servers, or to specify which is allowed to be used. I've tried ip and mac filtering in iptables, but it doesnt seem to be effective.

Re: [gentoo-user] Rogue dhcp server

2003-10-26 Thread james jones
Chris I wrote: Hi. I, and many others at my school are having a problem with (at least) one person running a DHCP server on their laptops. People often get invalid addresses due to this and cannot (easily) access network resources. It's so far been fairly hard to track down this