[pptp-server] Pushing pptpd through...

[Justin Kreger]

/sbin/iptables -A chainnamehere -m state -p all --state ESTABLISHED,RELATED -j ACCEPT

Justin Kreger, MCP MCSE CCNA
jkreger at earthling.2y.net jwkreger at uncg.edu jkreger at aristotle.wss.net


On Thu, 7 Jun 2001 ctooley at amoa.org wrote:

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> If it's not here then I'm not doing it.  How do I do that?
> 
> Chris
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> Justin Kreger <lists at earthling.2y.net> on 06/07/2001 05:54:31 AM
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>   To:          Chris Tooley/AMOA at AMOA                         
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>   cc:          pptp-server at lists.schulte.org                  
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>   Subject      Re: [pptp-server] Pushing pptpd through...     
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> Are you setup to allow established, and related connections?
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> Justin Kreger, MCP MCSE CCNA
> jkreger at earthling.2y.net jwkreger at uncg.edu jkreger at aristotle.wss.net
> 
> 
> On Wed, 6 Jun 2001 ctooley at amoa.org wrote:
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> > I've got a gateway/router style firewall based on a 2.4 kernel.  I'm using
> > IPTables (somewhat reluctantly) and need to push pptp traffic through to the
> > NAT'd server.  Anyone got any good iptables based scripts to do that?  What I
> > have currently keeps timing out:
> >
> > #Allow pptpd connections (port 1723)
> > /sbin/iptables -t nat -A PREROUTING -i $EXTINT -p TCP \
> >         --sport $PUBLICPORTS --dport 1723 -j ACCEPT
> > /sbin/iptables -t nat -A OUTPUT -o $EXTINT -p 47 -j ACCEPT
> > /sbin/iptables -A OUTPUT -o $EXTINT -p 47 -j ACCEPT
> > /sbin/iptables -A INPUT  -i $EXTINT -p 47 -j ACCEPT
> > /sbin/iptables -A INPUT  -i ppp+ \
> >         -s $LOCALNETWORK -d $LOCALNETWORK -j ACCEPT
> > /sbin/iptables -A OUTPUT -o ppp+ \
> >         -s $LOCALNETWORK -d $LOCALNETWORK -j ACCEPT
> > echo "PPTP clients allowed"
> >
> > # Allow inbound pptpd connections to PoPToP - forward to pptp server
> > /sbin/iptables -t nat -A PREROUTING -i $EXTINT -p TCP --dport 1723 --sport
> > $PUBLIC
> > PORTS -j DNAT --to $POPTOPSERVER
> > /sbin/iptables -t nat -A PREROUTING -i $EXTINT -p 47 -j DNAT --to
> $POPTOPSERVER
> > /sbin/iptables -A FORWARD -p TCP --dport 1723 --sport 1723 -j ACCEPT
> > /sbin/iptables -A FORWARD -p 47 -j ACCEPT
> > echo "PPTPD Server connections allowed"
> >
> > I'm pretty sure that there are some parts missing.  Any help will be
> > appreciated.
> >
> > Chris Tooley
> >
> >
> > _______________________________________________
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