routing security with DHCP

From: Brian D (me9_at_privacy.net)
Date: 02/23/04 

Date: Mon, 23 Feb 2004 19:59:02 GMT

Is it possible to prevent users without an IP address assigned by DHCP from
accessing a network by assigning themselves a fixed local IP address &
gateway? I use bind9 to resolve addresses on this box, I am thinking of
unresolvable addresses not being able to gain access to the network/gateway. 

-- 
  BD

Relevant Pages

  • RE: Problems w/ Linux firewall and Windows VPN
    ... Yeah--I'm currently in the process of adding things to the network. ... my firewall is handing out DHCP leases. ... > pptp tunnel. ... the tunnel starts going through our gateway rather than her PPTP one. ...
    (Debian-User)
  • Re: DHCP problem on workgroup
    ... >> My quick guess is that your system is unable to access the DHCP Server. ... >>> workgroup based wireless network. ... I cannot get the laptop to see the ... > default gateway shows as 0.0.0.0 (other machines all show the IP address ...
    (microsoft.public.win2000.networking)
  • Re: PS3 Kills Wireless Laptop Connection
    ... don't like being handed multiple gateways from an Windows DHCP server (the ... I set the default gateway ... to either blank or to the network printers own IP address. ... router or use a static IP address. ...
    (alt.internet.wireless)
  • Re: Fixed Lease DHCP Doesnt Work After Connecting Different Netwo
    ... Shouldn't be the one on the network you aren't connected to! ... then changing back to DHCP. ... One way around this would be to do an ipconfig /release *before* shutting ... Why is this happening and who can I fix it without assigning myself ...
    (microsoft.public.windowsxp.network_web)
  • Re: Limit DHCP addresses
    ... DHCP was not designed with goal of assigning ... Another option would be to build IPSec policy. ... network outlets -- but only the one in use. ...
    (microsoft.public.windows.server.general)