Re: pptp and iptables question

From: robm <rob.merritt_at_no.spam.please>
Date: Tue Mar 13 2007 - 10:05:02 CST

cool I will try that tonight, does this look more sensible :

#
# outgoing to stratos VPN added 12/3/07
#

iptables -A PREROUTING -t nat -p tcp -d ${OUTSIDE_IP} --dport 1723 -j
DNAT --to ${STRATOS_CLIENT}:1723 -s ${STRATOS_SERVER}
iptables -A FORWARD -p tcp -d ${STRATOS_CLIENT} --dport 1723 -o eth1 -j
ACCEPT
iptables -A PREROUTING -t nat -p 47 -d ${OUTSIDE_IP} -j DNAT --to
${STRATOS_CLIENT} -s ${STRATOS_SERVER}
iptables -A FORWARD -p 47 -d ${STRATOS_CLIENT} -o eth1 -j ACCEPT

#
# incoming from home to our VPN added 22/1/06
#

iptables -A PREROUTING -t nat -p tcp -d ${OUTSIDE_IP} --dport 1723 -j
DNAT --to ${VPN_SERVER_IP}:1723
iptables -A FORWARD -p tcp -d ${VPN_SERVER_IP} --dport 1723 -o eth1 -j
ACCEPT
iptables -A PREROUTING -t nat -p 47 -d ${OUTSIDE_IP} -j DNAT --to
${VPN_SERVER_IP}
iptables -A FORWARD -p 47 -d ${VPN_SERVER_IP} -o eth1 -j ACCEPT

>
> Next, these rules stratos rules are saying if the traffic is going to
> the stratos server, forward port 1723 to the internal client. What I
> think you're trying to say is
> iptables -A PREROUTING -t nat -p tcp -d ${OUTSIDE_IP} --dport 1723
> -j DNAT --to ${STRATOS_CLIENT}:1723 -s ${STRATOS_SERVER}
>
> This says if the traffic is to coming to you, and its from stratos,
> send it to the stratos client.
>
> Try something like that.
>
Received on Tue Mar 13 10:05:16 2007

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