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inetranal
2003 Jan 15
1
Double NATed VPN
Hello,
1) Thanks - shorewall save me a lot of time!
2) I try - exactly: I must :-) - configure a VPN server behind 2 NATs.
My situation:
RoadWarior - INet - ISP Router (NAT+PortForwarding) - Inetranal Router
(running Shorewal, NAT+PortForwarding) - Inetranl VPN Server
If RoadWariror try to connect Internal VPN Server then connection failed
with "GRE: Bad check chcksum from pppd" message.
If I try connect to this VPN server from LAN then connection is
estabilished well.
I have rules
DNAT net loc:10.1.4.20 tcp 1723
DNAT net loc:10.1.4.20...