Re: [Openvpn-users] Blocking DHCP

["Dave B" <dragin33@xxxxxxxxxxx>]

I'm using shorewall so this might be a little bit more difficult but i'll 
try creating an interface out of tap1, block it, and tell you how it goes.  
Thanks


> From: "James Yonan" <jim@xxxxxxxxx>
> To: "Dave B" <dragin33@xxxxxxxxxxx>, <openvpn-users@xxxxxxxxxxxxxxxxxxxxx>
> Subject: Re: [Openvpn-users] Blocking DHCP
> Date: Thu, 11 Sep 2003 11:02:41 -0000
>
> Why not just use a firewall rule on the tap interface, to filter out DHCP 
> packets.
>
> Something like this?
>
> iptables -A OUTPUT -o tap+ -p udp --dport bootpc -j DROP
>
> James
>
> Dave B <dragin33@xxxxxxxxxxx> said:
>
> > I'm looking for a way to block dhcp from crossing the vpn link.  I'm 
> using a
> > bridging method with openvpn with all the classic settings.  Can someone
> > help me?
> >
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