[rhn-users] Restiricting non dhcp ips

[dhaval thakar]

Dear All,

I am using fedora core 6 to lease ip to the users, same box is used for 
proxy & firewall.
Some smart users change their ips & get access to the users group who has 
full internet access.

Is there any utility by which I can block non leased IPs from the gateway, 
as a result user will not be able to access internet & samba from the same 
linux box.


Thanks & Regards
Dhaval

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