0
votes
0answers
17 views

VPN routed traffic, response goes outside of VPN?

Here's a weird one. Whenever I'm on a hotel network I tend to like to route all my traffic through my home network. Mainly since I'm not entirely sure all my passwords go through SSL all the time. ...
-1
votes
0answers
17 views

OpenSwan VPN pings but other traffic fails

I'm setting up a VPN server using OpenSwan, to establish site to site VPN. Site A has the OpenSwan server, sitting behind the SOHO router (ports 500 and 4500 forwarded and default route to subnet B ...
0
votes
1answer
74 views

Can't establish a reliable VPN tunnel (ShrewSoft client / ZyWALL USG-50 firewall)

I try to setup an IPSec VPN tunnel through my firewall (ZyWall USG-50), but it doesn't work like it should. quick scheme of my installation: ME [A.B.C.D] --- **INTERNET** | ...
0
votes
0answers
74 views

Port Forwarding to a VPN Client

I'm looking for some help getting a port forward setup to a VM running Ubuntu 12.04 on my LAN. I can forward the port to the VM successfully and connect to the service over the Internet. But when I ...
0
votes
1answer
32 views

How to avoid hairpin VPN on cisco

I currently have a hairpin VPN setup with a Cisco ASA, but I'm not very happy as it messes up service access that are on ASA external IP address and are NAT'ed inwards :( How should I re-design the ...
2
votes
1answer
42 views

Should we accomodate a customer asking us to NAT servers behind new PUBLIC IPs within a VPN?

We're a SaaS provider, setting up a IPSec VPN between our data center and a customer's site so they can directly access their hosted database server from their LAN. Instead of exposing our internal ...
0
votes
1answer
581 views

strongSwan setup where both sides are behind NAT

I'm trying to setup a strongSwan server in my home and connect to it from another network. Let's say sun is the VPN server and venus is the client. Both sun and venus are behind NAT networks. sun is ...
2
votes
2answers
103 views

Internet VPN Tunnel with a server behind NAT

Let's say someone would like to route all their traffic traffic though some PC in another country (to unblock some sites). However, this PC is a usual Windows 7 PC behind a router with NAT, which ...
0
votes
0answers
112 views

Repair RRAS and NAT on Windows Server 2008 R2

We have a Windows Server 2008 R2 server with RRAS installed and configure with VPN and NAT. NAT stopped working and when I checked, IPv4 is missing . I've tried re-installing RRAS but it just ...
0
votes
0answers
156 views

Multiple virtual interfaces with multiple openvpn interfaces

I currently have 4 interfaces with static IP addresses from the local network; eth0:0 eth0:1 eth0:2 eth0:3 I also have 4 OpenVPN TUN interfaces which are connected to various servers around the ...
0
votes
1answer
315 views

Single Public IP for Multiple VPN Users?

I'd like to ask if I'm looking in the right direction. We have: 1 x VPN server (Windows SBS 2003) 5 x VPN users (One Public IP) Currently, from our remote office, only one user at a time is able ...
-1
votes
1answer
42 views

VPN into private network? [closed]

I am trying to access a network in our office to allow access to a local server, this server is able to send out but is unable to be reached outside of the office network. Would it be possible to ...
0
votes
0answers
110 views

Why NATted packets have different source ip addresses?

I've got ubuntu box with nat. Here is the problem: root@office.redhelper.ru:~# tcpdump -i tap0 host 194.190.8.141 -n tcpdump: verbose output suppressed, use -v or -vv for full protocol decode ...
5
votes
2answers
1k views

How do I route a public IP range over an IPSEC VPN?

So, I have an established IPSec Site to Site tunnel. Site A has a SonicWall, Site B has a EdgeRouter. The first tunnel consists of Site A's NATed ips to Site B's NATed ips. Everything works as ...
1
vote
1answer
275 views

Provide public access to a local web server through VPN

I have a VPN tunnel established between 2 servers: VPS-A and VPS-B having the (fictional) public IP addresses: 66.55.44.33 and 77.88.55.66, and VPN endpoints 10.0.1.1 and 10.0.2.1 respectively. There ...
0
votes
1answer
526 views

How to send HTTP request issued by cURL through VPN?

Please excuse me for (probably) the noob question, but I am very new to Linux networking. I've already spent a few days searching the Internet for an answer to my question, but was unable to find one, ...
0
votes
1answer
406 views

IOS Port Forwarding and NAT involving a VPN

We have a Cisco 1921 router running IOS 15.1 at one of our branches which is connected via a L2L IPsec VPN to a ASA5510 running ASA 8.2 at our headquarters. The network looks something like this: ...
0
votes
1answer
108 views

Getting though firewall without VPN

I am trying to control geographically remote (Android) machines using VNC. Some of these machines are behind firewalls. I was planning on putting all these machines on a VPN and being done with it. ...
0
votes
1answer
315 views

iptables POSTROUTING not working in local area

I used command iptables -t nat -I POSTROUTING -o $INTERFACE -p tcp -j SNAT --to-source $IP to make my server packets visible as $IP. But the problem is, that it didn't work inside local area, so ...
1
vote
1answer
586 views

Openswan tunnel to remote public NAT'd host

Need help on this VPN set-up to work. Left-hand. EC2: eth0:10.0.0.100/EIP=1.1.1.1 (ie. NAT'd IP) eth1:10.0.0.200/EIP=2.2.2.2 Peer ip/leftid: 1.1.1.1 Right-hand. Cisco: Peer ip: 3.3.3.3 ...
0
votes
1answer
744 views

Simple iptables port forwarding with masquerading not working

I'm trying to set up a simple VPN server on EC2 (Ubuntu 12.04) with the Android example ToyVpnServer. Its instructions: // There are several ways to play with this program. Here we just give an // ...
3
votes
1answer
548 views

Site to site VPN between Cisco VPN Router and Sonicwall NAT issues

I'm trying to establish a site-to-site VPN connection from office to datacenter. Cisco RV042G and SonicWall NSA2400 In the office; we have the subnet 10.0.0.0/24 defined and hosts from 10.0.0.150 to ...
2
votes
3answers
360 views

Netgear VPN LAN2LAN address translation

Here's my question: I have set up a VPN IPsec LAN2LAN (or site2site) with the following parameters: local subnet: 10.178.51.64/27 remote subnet : 10.174.0.0/16 The vpn tunnel comes up correctly ...
2
votes
2answers
1k views

How can I port forward over a VPN NAT?

I have a multi-site VPN currently running with pfSense boxes and currently using OpenVPN. However I can change the OS and VPN type if need be. The main router has a 10.13.0.0/16 subnet and a series ...
0
votes
2answers
122 views

Can a NAT close out VPN connections?

I have a client running on a VPN behind a NAT. The client becomes inaccessible after a while if it is not "active". The VPN software is PPTP and the OS of the client if Debian. I'm unsure about ...
2
votes
0answers
274 views

NAT not working after enabling DirectAccess

following test setup is given: server1 - 1 network card connected to internal network (10.0.0.2/24) + gateway 10.0.0.1 server2 - 2 network cards (1. connected to internal network (10.0.0.1/24) / 2. ...
0
votes
2answers
378 views

Where to start for setting up hostname NAT behind one external IP address?

Not sure I use the right terms here, which is basically why I am asking (with the right terms I could google it for sure). I have "one big server" with Windows 2008, with several virtual machines ...
1
vote
0answers
282 views

Linux IPsec VPN and SNAT

I'm trying to connect my network to an IPSec VPN, and for this my connexions need to come from a given domain. The network is the following: Internal network eth1:10.0.0.1/14 eth0:1.2.3.4 ...
0
votes
1answer
875 views

unable to access a NAT'ed IP via a VPN on Windows 7

I connect to a range of servers hosted by one provider via a VPN. I can connect to the VPN fine, however when I then go and try and connect to the server(s) it fails. A NAT'ed IP address that has ...
1
vote
3answers
1k views

Unable to access VPN from inside network (Cisco ASA)

I'm using an ASA 5510 for a large network containing multiple subnets, some of which (wireless) have limited network access. I'd like to allow the wireless users to be able to VPN in for full network ...
0
votes
1answer
328 views

how to NAT site to site VPN web traffic?

I have 2 Cisco routers and they are connected via GRE over IPsec. All of the traffic from the first router is being routed to the 2nd router with a default route. I need to access internet from the ...
3
votes
1answer
254 views

Forward specific network traffic to other server

Is it possible to redirect incoming traffic on a specific port of my Ubuntu Linux server machine to another server (that has another public IP address and is located at another site)? I'm running a ...
1
vote
1answer
3k views

Is this the correct config for a Remote Access VPN for ASA 8.4?

First time configureing remote access VPN for 8.3 / 8.4 so the NAT and VPN commands are a bit diffrent for me. Below is the VPN config and the coresponding NAT to NO NAT the IP space. If someone ...
0
votes
2answers
1k views

Can't ping gateway once VPN established

I have two servers: Checkpoint Safe@Office 500 with ip x.x.x.x and local network a.a.a.a/24 Cisco ASA5505 with ip y.y.y.y and local network b.b.b.b/28 Before setting up a vpn I was able to ping ...
2
votes
2answers
335 views

is there any project that allows for NAT traversal for generic online guests?

Scenario: The basic goal is to allow "generic" online guests to be able access to some server behind a NAT. For example say I'm hosting some images on a server behind a NAT, I don't have admin ...
2
votes
1answer
1k views

SNAT through Racoon IPSec VPN

I am trying to route traffic from a device (that I will call "target") connected to my Ubuntu box (that I will call "host") to servers at a remote office. The host uses a Racoon IPSec VPN, connected ...
2
votes
2answers
4k views

How Does VPN Passthrough Actually Work?

I am interested in PPTP passthrough here not Ipsec etc. I have looked on the net but can't find out how it is done. I am an IT administrator myself and know a lot routing, NAT etc. I think I know how ...
2
votes
2answers
507 views

sonicwall vpn and NAT

I have a site-to-site VPN set up with a vendor. Let's say the tunnel endpoints are 192.1.1.101 on my side and 192.1.2.0/24 on the vendor's side (which get's NATted to their LAN of 10.x.x.x). This is ...
1
vote
1answer
191 views

Set up multiple servers behind a NAT

I am currently trying to set up a network with both a secure webserver and an internal openvpn server. The webserver is running windows 2008 and the vpn network is running the Access server from ...
0
votes
4answers
2k views

Ubuntu based VPN server behind NAT router?

I have a small intranet- and file-server inside our company, which can only be reached from inside our own network. I'd like to be able to reach the intranet and files on the server from outside the ...
1
vote
3answers
1k views

Connecting to the workplace LAN that is behind NAT (with Hamachi? any better idea?)

Situation: We, as the pioneering researchers(!), have a small network in our lab and the university has provided Internet access that let us access to privileged scientific resources like IEEE, ...
2
votes
2answers
91 views

Exposing multiple virtual machines to public Internet from laptop on any connection

I've got a couple of Ubuntu virtual servers on my laptop that I drag around with me and use to test configuration and interaction of services like mail, directories, etc. I therefore want to make them ...
0
votes
1answer
251 views

How can I route some (but not all) web traffice over a VPN tunnel. Sonicwall appliances on each end

I have two networks: Network A Private 10.0.0.0/24 Network B Private 10.0.10.0/24 Both running Sonicwall ~200 appliances, connected by a VPN tunnel. I am able to reach specific internal address on ...
0
votes
2answers
87 views

Server 2003 - Secure remote file access

I've really got very little idea what I'm doing here, so please forgive me if I am missing anything painfully obvious. As the nerd of last resort for a friend, I've recently found myself in the ...
2
votes
0answers
741 views

Errror on connecting to VPN-server by Demand-dial interface (Windows Server 2008 R2)

I have several LAN-interfaces and internet access over VPN (connect to provider VPN-server). I want to setup NAT from local area networks to internet. For this I install on Windows Server 2008 R2 ...
1
vote
0answers
311 views

After enbaling VPN/NAT on 2008 R2 direct access to server is blocked (RDP, FTP,…)

After setting up VPN with NAT over RRAS configuration menu in windows server 2008 R2, direct access to server is blocked. Does anybody know why is this happening? How to enable RDP, FTP, and other ...
0
votes
1answer
360 views

After NAT how to setup VPN in windows server 2008 r2?

We have one windows server 2008 R2 with about 10 Hyper-V virtual machines. We've used wizard that comes when you enable RRAS to setup NAT, so that virtual machines can connect to internet (and to ...
1
vote
3answers
7k views

VPN software similar to Hamachi, Remobo or GBridge?

I am looking for a VPN software that will run on Windows (Mac/Linux would be a bonus), that are similar to other packages such as Hamachi that will automatically work behind a NAT or Firewall. ...
1
vote
1answer
742 views

Cisco ASA - NAT'ing VPN traffic

I have an IPsec VPN setup like this: [Remote users]-[Remote ASA] <-VPN-> [My ASA]-[Subnet A]-[Router 2]-[Subnet B] The VPN is set to handle traffic between [remote users] and [Subnet A]; it ...
0
votes
2answers
6k views

Cannot Ping a server after configuring the Routing and Remote Access Services

After configuring the Routing and Remote Access Services to be a both VPN and NAT service, I cannot ping that server anymore from the external side. But when I configure it to be just a VPN server, or ...