0
votes
1answer
69 views

iptables redirect traffic from VPN interface to next interface

Can you help me with this problem please? I need redirect all traffic from tun0 interface (OpenVPN tunnel) to eth1 interface. eth1 is internal network behind this system which works as special ...
1
vote
1answer
117 views

Masquerade not working sometimes

I have an issue with private network traffic not being masqueraded in very specific circumstances. The network is a group of VMware guests using the 10.1.0.0/18 network. The problematic host is ...
1
vote
0answers
393 views

How to redirect tun SSL VPN through HTTP CONNECT proxy, using iptables?

I use a VPN under SSL solution (Firepass) on Android. VPN opens an SSL connection on port 443 of remote VPN server. My mobile carrier doesn't allow direct connections on port 443 but allow SSL ...
0
votes
1answer
142 views

PPTP: Allow remote clients to communicate with each other

I have a PPTP server. Clients log in to the server, but can not ping each other. The clients are at different locations. The problem is with my IPTABLES forward chain .... here is my iptables: ...
2
votes
1answer
187 views

pptpd dead but subsys locked? on cent os

i install point to point tunnel (PPTP) in my VPS. (Cent OS 6 64 Bit) everything fine after reboot the PPTP not worked client side. the pptpd status shows " pptpd dead but subsys locked ". how to ...
2
votes
1answer
1k views

Set up firwall with iptables to only allow VPN

Im using IPredator VPN with openVPN and I want to make sure that if the connection is dropped, i wont submit data from the internet without the VPN. I heard that I could do that with iptables and a ...
4
votes
2answers
163 views

Is it possible to set-up a VPN in such a way that I disconnect from the Internet if it goes down?

How can I set-up a VPN so I loose connection to the Internet if it goes down? I use Ubuntu and have used the network-dialog to use a VPN; but if the VPN goes down, it just switches to the non-VPN ...
2
votes
1answer
220 views

PPTP server with NIC aliases

I have set up a VPN on a VPS Server using PPTP. I have one NIC with two aliases. eth0 eth0:1 eth0:2 The 3 interfaces have public addresses. eth0 is a French IP, eth0:1 is UK, and eth0:2 is ...
3
votes
2answers
8k views

Port forward to VPN Client?

I've run into a bit of a puzzle and haven't had much luck finding a solution. Right now I am (sadly) connected to the net via Verizon 3G. They filter all incoming traffic so it is impossible for me to ...
3
votes
2answers
660 views

Need help with routing

I have set up a Ubuntu server, that I want to use as a router for my local office. The problem is, that I want to make 2 VPN connections, to remote branches, and then I want to route all traffic to ...
4
votes
1answer
816 views

Force VPN using IPtables?

I want to force the use of VPN using iptables, therefore while VPN is disabled no outgoing traffic shall be allowed (except maybe some DHCP stuff...). Now i guess I could just block everything not ...