John,
I am using a floppy distro. (coyotelinux.com) based on LRP. They claim
that they support pptp on their site. On my box running coyote, when I
do a: grep -i pptp /proc/ksyms I see that the ip_masq_pptp is present.
However, I do not find that I can run ipfwd on that box.
Is there no way of doing this with ipmasqadm?
Can I load ipfwd onto this type of system?
Thanks Again,
Dave
John Ferlito wrote:
>
> On Thu, Mar 29, 2001 at 05:40:28PM +0000, Dave Peters wrote:
> >
> > Hi all,
> > Just joined the list.
> > have found uses either ipfwd or ipportfw. I need to accomplish this with
> > ipmasqadm. From what I understand the ipmasqadm replaced the ipfwd and
> > ipportfw commands somewhere in the 2.2.x kernel. Is this right?
>
> you still need ipfwd
> >
> > lets assume the server that I am trying to reach is: 10.0.0.99
> > my linux box running nat, public ip is: 216.232.243.210
> > I currently am able to forward tcp traffic to this with the following
> > command:
> > ipmasqadm portfw -a -P tcp -L 216.232.243.210 80 -R 10.0.0.99 80
> > forwarding all www traffic to my internal box.
> >
> > With PPTP I need to forward all traffic with Protocol ID of 47 (0x2F) in
> > the same manner. The documentation I have found has the following
> > example:
> >
> > /sbin/ipfwd --masq 10.0.0.99 47 &
>
> correct also add a --syslog and --debug for testing
> >
> > I have tried the following:
> > ipmasqadm portfw -a -P 47 -L 216.232.243.210 -R 10.0.0.99
> > and
> > ipmasqadm portfw -a -P ip -L 216.232.243.210 47 -R 10.0.0.99 47
> > and
> > ipmasqadm portfw -a -P 0x2F -L 216.232.243.210 -R 10.0.0.99
>
> nope you don't need ahy of those just
> ipmasqadm portfw -a -P tcp -L 216.232.243.210 1752 -R 10.0.0.99 1752
> which will forward the pptp initialisation stuff
>
> Alsmo make sure you have the ip_masq vpn/pptp module loaded.
>
> --
> John Ferlito
> Senior Engineer - Bulletproof Networks
> ph: +61 (0) 410 519 382
> http://www.bulletproof.net.au/
>
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