> I haven't looked into this, but is there a method to connect 
> to a pptp server from behind an iptables firewall?  I have 
> seen glimpses of persons using something called 
> ip_conntrack_pptp (sp?) and that seems it will fit the 
> bill...not sure..here is ASCII art:
> 
> Client-----IPTABLES Firewall------INTERNET--------Remote PPTP 
> server------Server
> 
> I am currently using IPTables 1.2.5
>

I guess I'll just share what I have learned. The below link details pptp
filtering.
I'm not familiar with conntrack_pptp (assuming this is a module)  The
method I have beeb
Following is transpaerent but is compiled in as a kernel patch kernel
2.4.17 or earlier.
Thus far I'm not getting a stable setup. Ie no filtering thus far.
Wouldn�t' mind working on this one.
 

ftp://ftp.rubyriver.com/pub/jhardin/masquerade/ip_masq_vpn.html


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