VPN is the acronym for Virtual Private Network - a network type that uses a the Internet to provide remote networks or single machines with secure access to their organization's network avoiding expensive leased lines.

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1k views

Route outbound connections from local network through VPN

I have a server A running OpenVPN, an OpenVPN client B (a rooted Android phone as it happens) and a third party C (a laptop, tablet etc.) tethered to B. B can use the VPN to access the internet via ...
0
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1answer
35 views

Can VPN authentication be used for SSH?

Can VPN authentication details be re-used for SSH access? Context: I'm looking into the feasability of having SSO to authenticate with a VPN and then be able to log into a server via SSH without ...
14
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6answers
7k views

Hyper-V Cut-n-Paste

I use Hyper-V on a development machine for multiple reasons and one of my biggest annoyances is that I can't cut and paste to/from the virtual machines. I've been through all the options and can't ...
7
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4answers
4k views

How to get forticlient working in OSX El Capitan

The forticlient VPN software is borked, when using split horizon, since OSX El Capitan. The problem is that DNS requests are sent out on the normal primary interface to the DNS of the VPN tunnel. How ...
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0answers
15 views

Force VPN clients to use the on-site DNS

We currently use RAS on a server 2008 for VPN access to our network. The problem is that the hosts connected to the network through that VPN can't resolve onsite names. Ex: $remoteuser on ...
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0answers
34 views

How do I make Docker forward a packet from remote when a packet from the dockerhost works?

I have set up a docker container with a vpn. I added another container with a Squid proxy using the --net option, sharing the same network as the vpn. Running a traceroute from within the container I ...
0
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0answers
15 views

VPN Server Disconnecting Hosts With Same LAN IP

When two hosts with the same local IP (e.g. 192.168.1.2) connect to the sonicwall L2TP VPN from behind two entirely separate gateways, one of the hosts gets bounced. I searched around and I think this ...
0
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1answer
2k views

Missing iptables rules for Strongswan routing for VPN for phone

I have a Centos 6.6 VPS out on the Internet that has a public IP. I have installed StrongSwan 5.1.3 to allow my BlackBerry10 phone to connect from hotspots and use the VPS' connection. The VPS' IP ...
2
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2answers
3k views

Vyatta VPN IPsec tunnel random dropouts

I keep getting random dropouts for my VPN tunnel, it only happens rarely (~twice a week) if I do a "service ipsec restart" then it immediately starts working again. Really annoying as I'm try to ...
0
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0answers
28 views

Server 2012: How could I create a DHCP scope just for my RRAS PPTP VPN clients?

I am using Windows Server 2012, and the server in question is both the PPTP server and the primary DHCP server. My current setup has a DHCP scope for this location, and anyone remoting in is assigned ...
3
votes
2answers
15k views

Improving OpenVPN Performance

I've been trying to improve my OpenVPN performance and this is my current setup: cat /etc/openvpn/server.conf port 443 #- port proto tcp #- protocol dev tun #tun-mtu 1500 tun-mtu-extra 32 #mssfix ...
0
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1answer
158 views

VPN from home to office to AWS

I have a remote access VPN set up so developers can access our internal network. I also have an IPSec VPN setup so the personnel that are physically at the office can access the AWS servers. What I ...
0
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0answers
25 views

OpenVPN Speed Slow

Background: I have an OpenVPN server running on my Netgear R7000 [openddwrt] router. My ISP connection is 50 mb/s down and 25 mb/s up. When connecting to my vpn from my cellphone, and windows ...
1
vote
1answer
28 views

Forwarding VPN from one router through another

I have been setting up the network for my workplace and would like to setup a VPN so my colleagues and I can connect from outside, but I have run into a bit of a snafu. The way we currently have our ...
1
vote
1answer
1k views

Issue connecting over RDP when on Windows VPN

I have an issue that just began today and not sure what the cause is (I've been able to successfully connect this way for several years). On my Windows 7 box, I have a VPN set up in Windows. Today I ...
1
vote
2answers
4k views

AWS VPN Tunnel going down without traffic

I managed to setup a site-to-site VPN connection from Amazon VPC to a company's network, and after a lot of configuration it was working fine, but now i realized that the VPN tunnel is DOWN every time ...
0
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1answer
2k views

Cannot connect to my L2TP IPSec VPN

I am trying to get my VPN (L2TP IPSec PSK) to work. I have a Synology NAS where I have setup everything as it says on the Synology support page. In my Asus RT-N66U router I have opened UDP ports ...
1
vote
1answer
22 views

Azure point-to-site persistent connection

I have a situation where I don't have access to the firewall at one of our locations, so I have installed Azure point-to-site VPN client apps on the servers there. The problem (as I quickly found ...
0
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1answer
2k views

Windows Server 2012 VPN route from LAN to client

I am trying to set up a VPN using Windows Server 2012 Standard. My network has a SonicWALL edge router, and the server in question is a DC, running DNS, DHCP and RRAS, and the subnet is 10.0.0.0/24. ...
0
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0answers
21 views

Site to Site VPN connection is not established between cisco routers in GNS3

guys. In a Scenario I'm using sokootRtr1 as CA server and sokootRtr2 as CA client. As the following, both routers have their digital certificates; sokootRtr1#sh crypto pki certificates CA ...
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0answers
20 views

VPN via DNS to digital ocean VM

I'm hoping someone can help with some advice. I'm setting up some VMs on Digital Ocean to act as VPN jump boxes. I've configured my server to be accessible using VPN. I've tested this, and it works ...
0
votes
1answer
16 views

Two VPNs using same subnet, NAT not possible on the customers end

I have a problem with a couple of VPN's. I have looked at various similar questions, but most invariably suggest using NAT on the customers end. In my case that simply isn't possible, and I can only ...
0
votes
1answer
3k views

Dynamic DNS registration for VPN clients

I've got a VPN server set up in my Active Directory on a remote network. (VPN Server is separate box from DNS/AD) When I dial into the network (client machine is not a member of the AD) the machine ...
0
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0answers
11 views

Can't enable TUN/TAP on VPS [duplicate]

I'm desperately looking for a way to enable TUN/TAP on a VPS in order to use an OpenVPN client. The VPS is based on Parallels Virtuozzo. I've been reading a ton of tutorials and forum topics, and here ...
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vote
1answer
102 views

On windows 10, how do I setup a VPN client so that all users can use it (i.e. available before login)

On Windows XP, 7, 8, 8.1 you could tick a box that says 'Allow other users to use this VPN' when you initially connected the VPN. This option is no longer available - how do I set the VPN to be ...
3
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2answers
1k 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 ...
0
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0answers
19 views

VPN , clients connect but no network

I have a Server Essentials 2012 server that has anywhere access enabled for VPN access, and web access. this has worked fine for a year with no problems that the occasional tickle would't fix. About 1 ...
5
votes
4answers
3k views

Cisco ASA user authentication options - OpenID, public RSA sig, others?

My organization has a Cisco ASA 5510 which I have made act as a firewall/gateway for one of our offices. Most resources a remote user would come looking for exist inside. I've implemented the usual ...
3
votes
2answers
29 views

Rename VPN Connections via Powershell

I'm trying to batch rename vpn connections on my Windows 8.1 machine. I have no trouble modifying the server address with Set-VpnConnection, but I can't find a way to rename a vpn connection: First ...
0
votes
1answer
1k views

Masquerade traffic from certain source IP to VPN connection

Network Setup: 10.0.0.1 Router: to internet 10.0.0.70 Server: Ubuntu based server,default gateway is 10.0.0.1 10.0.0.51 PC I created a PPTP connection(interface: ppp0) on Server to a machine ...
1
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2answers
62 views

Routing in Azure between point-to-site and site-to-site networks

I'm new to Azure and trying to use VPN to connect a single machine here to a VM on Azure. The VM is on the newer Resource Manager platform. Unfortunately, only the classic platform supports ...
0
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1answer
52 views

How to start and stop a libreswan connection

I have a connection configured on my libreswan instance on two machines. The connection start automatically when I start the pluto daemon, I have try other settings, but the connection also starts if ...
0
votes
1answer
18 views

Site to site VPN from Amazon EC2 to Checkpoint device

I have an EC2 with Red Hat 7 in AWS and I need to connect it to a network via VPN. I followed the instructions here ...
0
votes
1answer
29 views

Static routing between LAN, IPSec and VPN

I got the following network setup: LAN: 10.10.2.0/24 -> IPSec -> 10.10.1.0/24 (VPN Server addr: 10.10.1.5/24) VPN: 10.10.3.0/24 IPSec connection is transparent Users between 10.10.1.0/24 and ...
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votes
1answer
21 views

How to send lan traffic to bypass the vpn for android

How to send lan traffic to bypass the vpn, for that network 192.168.3.0/24 directly appealed to the wifi router, and do not through the VPN
2
votes
1answer
1k views

Restricting nginx website connection to VPN Users on the same server

My main aim is the following: Install a VPN server on a server, and a website on that server should be accessible only to users that are using the VPN on that same server. First, the two server case ...
2
votes
1answer
20 views

How to redirect traffic on vpc instance

I'm working with Amazon web services and I have a VPC with two instances one of the instances is running my app and the other one has a VPN connection to a payments system. The VPN tunnel is working ...
1
vote
2answers
3k views

openssl verify error 7 at 1 depth lookup:certificate signature failure

I have installed OpenVPN server on CentOS. I have two clients - first under CentOS (all works), and trying connect Windows client now. I generated client's certificates with build-key utility. If I ...
3
votes
1answer
2k views

Remote VPN - two-factor authentication with Cisco ASA + OpenLDAP

Can somebody give me a pathway (or link to the documentation / how to) to implement two-factor authentication (LDAP password + certificate) on Cisco ASA for RemoteVPN (with Anyconnect client)? ...
0
votes
0answers
5 views

Lightswitch App AD authentication over SSL VPN

I have a lightswitch App (desktop app for windows) which authentications with AD against their logged in account, so the user doesn't need to log in again. This works great in the office but over the ...
0
votes
0answers
50 views

OpenVPN Access Server Site-to-Site Layer 2 Bridging. DHCP Issues

First of all sorry, my english is a bit sucky or broken at parts. I'm having a little issue with OpenVPN S2S Layer-2 Bridging and DHCP over the bridge. First of all, all clients no matter on which ...
0
votes
0answers
13 views

OpenSwan on Amazon EC2 - max number of retransmissions reached STATE_MAIN_I3. Possible authentication failure:

We are communicating with one of our clients over a VPN Tunnel. Openswan tunnel was working perfectly fine before. Today we attached an Elastic IP to the server and rebooted. Since then the tunnel ...
5
votes
3answers
465 views

How do VPN servers/clients avoid routing their own remote connection packets through themself?

I am trying to conceptualise how networking works under the hood for linux VPNs which use TUN interfaces. My current best guess is as follows (please correct me): Connection established to remote ...
0
votes
0answers
8 views

Sharing VPN access to my LAN - security concern [migrated]

I recently subscribed to a VPN service (Vpnsecure.me) and I have been thinking to share it to my all LAN via my synology NAS or my raspberry PI. Before configuring my devices, I would like to know how ...
1
vote
1answer
1k views

My iptable rules do not allow VPN connections

I have installed OpenVPN on my Archlinux server and modified my iptable rules to allow incoming traffic on port 1194 and forward it to the tun0 interface. When I disable/stop the iptables, the OpenVPN ...
0
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2answers
7k views

How to test if I have a working VPN connection?

I have setup a CentOS 5 OpenVPN server using this howto. The test client is another CentOS 5, where I have copied ca.crt, client1.crt, client1.key and client.conf to. I don't see any errors when ...
0
votes
1answer
56 views

How do I delete route to “link#8” gateway on MacOS?

How do I delete default route of "link#8" gateway on MacOS El Capitan? It's a route automaticaly added after connecting to IPSec VPN. $ netstat -rn Routing tables Internet: Destination ...
4
votes
4answers
1k views

Prevent SSH connection lost after logging into VPN on server machine

I encountered an issue that I can't deal with. When I'm logged onto an VPS over SSH and try to estabilish VPN connection on that VPS, the SSH connection between VPS and my machine get lost. I assume ...
0
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0answers
14 views

Branch Office Server vs VPN [duplicate]

Historically our branch offices have had their own servers to do DNS, Active Directory and a few other services. But the number of people working out of our branch office has shrunk to about 4 people. ...
1
vote
1answer
52 views

Routed traffic away from VPN has no internet (Fedora)

I'm very new to linux routing and such as a preface. I have a plex server set up on Fedora 22. I've recently started using a VPN service connected via OpenVPN. Everything works great via VPN on my ...