Re: ip_nat_pptp stretch not work

[Thierry JAOUEN <thierry@tjaouen.fr>]

Hi,

Maybe you need the "helper" module ?

<https://home.regit.org/netfilter-en/secure-use-of-helpers/>
<http://www.spinics.net/lists/netfilter/msg11791.html>

... -m helper --helper pptp ...


Bye


Le 10/08/2017 à 12:04, Alexey Kurinnij a écrit :
> Hi. I have debian box with nat as gateway.
> With debbian jessie pptp from local network worked, with loaded kernel
> module ip_nat_pptp.
> After upgrade to debian stretch - pptp not working any more, module
> ip_nat_pptp loaded.
> Anyone have similar working configuration?
>
> # Generated by iptables-save v1.6.0 on Thu Aug 10 13:04:00 2017
> *filter
> :INPUT ACCEPT [0:0]
> :FORWARD ACCEPT [0:0]
> :OUTPUT ACCEPT [0:0]
> -A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
> -A INPUT -p icmp -m icmp --icmp-type any -j ACCEPT
> -A INPUT -i lo -j ACCEPT
> -A INPUT -p tcp -m state --state NEW -m tcp --dport 22 -j ACCEPT
> -A INPUT -i eth0 -p udp -m state --state NEW -m udp --dport 67 -j ACCEPT
> -A INPUT -j DROP
> -A FORWARD -s 192.168.1.0/24 ! -d 192.168.1.0/24 -i eth0 -j ACCEPT
> -A FORWARD -d 192.168.1.0/24 -i eth1 -j ACCEPT
> -A FORWARD -j DROP
> -A OUTPUT -j ACCEPT
> COMMIT
> # Completed on Thu Aug 10 13:04:00 2017
> # Generated by iptables-save v1.6.0 on Thu Aug 10 13:04:00 2017
> *nat
> :PREROUTING ACCEPT [8403:561775]
> :INPUT ACCEPT [4:194]
> :OUTPUT ACCEPT [295:18031]
> :POSTROUTING ACCEPT [295:18031]
> -A PREROUTING -i eth1 -p tcp -m tcp --dport 443 -j REDIRECT --to-ports 22
> -A POSTROUTING -s 192.168.1.0/24 -o eth1 -j MASQUERADE
> COMMIT
> # Completed on Thu Aug 10 13:04:00 2017