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Old 07-28-2004, 01:58 AM   #1
fragger
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Registered: Aug 2003
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pptp users


hi
i've set up pptd, everything works fine, but..
how can i limit a certain user/pass to be used (to work) only on a certain computer client? is there a solution with iptables and mac fitering? cuze i couldnt get it worked.
i dont want accounts to pe passed along in the network


thanks
 
Old 07-28-2004, 02:19 AM   #2
ppuru
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Registered: Mar 2003
Location: Beautiful BC
Distribution: RedHat & clones, Slackware, SuSE, OpenBSD
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use this rule
iptables -A FORWARD -i <internal nic> -m mac --mac-source xx:xx:xx:xx:xx:xx -j REJECT
 
Old 07-28-2004, 05:39 AM   #3
fragger
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if i do:

iptables -P FORWARD DROP
iptables -A FORWARD -i eth1 -m state --state RELATED,ESTABLISHED -j ACCEPT
iptables -A FORWARD -s ip1 -m mac --mac-source ... - j ACCEPT

the client with ip1 cant get internet acces
but with

iptables -P FORWARD DROP
iptables -A FORWARD -i eth1 -m state --state RELATED,ESTABLISHED -j ACCEPT
iptables -A FORWARD -s ip1 - j ACCEPT

it does..i dont know why mac filtering doesnt work...the module ipt_mac is loaded

any ideea why?

thanks
 
Old 07-28-2004, 06:15 AM   #4
ppuru
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Distribution: RedHat & clones, Slackware, SuSE, OpenBSD
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just a small change ... check if this works

iptables -P FORWARD DROP
iptables -A FORWARD -m state --state RELATED,ESTABLISHED -j ACCEPT
iptables -A FORWARD -i eth1 -m mac --mac-source ... - j ACCEPT
 
  


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