Christophe Dupre wrote:
>
> Hi all,
> I've setup a firewall using Linux IP filtering rules, with kernel 2.0.36.
> Everything seems to work, except PPTP.
> I've allowed unrestricted traffic through the firewall to the PPTP server,
> port TCP/1723. But the firewall keeps blocking packets of type 47. Is there
> any way to allow those packets ? IPFWADM doesn't seem to know about those...
>
> Any help appreciated, I have some not-so-happy users...
>
You need to forward GRE protocol (47) packets to do PPTP works
properly.
Check http://www.tor.shaw.wave.ca/~ambrose/ for more instructions.
Cheers,
Neilson Henriques
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