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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75 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 ...
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1answer
32 views

Client to Site VPN Active Directory Sync

Hard question to word, but here it goes. I have a client with a W2k12 essentials Domain Controller that needs to replicate offsite. We have purchased another 2k12 server to mirror AD, which I've ...
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1answer
20 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 ...
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0answers
137 views

Running Cisco VPN Client after Windows 10 November Update

I had installed Cisco VPN Client so that I could connect to my client's VPN, and this was working great on Windows 10 (after many hacks) until the Windows 10 November update, which automatically ...
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64 views

How to set up routes and rules at Debian gateway to bypass VPN for certain hosts?

I built my own router running Debian 7, having two NICs: Internal ethernet, eth0: 192.168.42.0/24 External link to VDSL modem, eth1: 10.42.42.42/8 (address arbitrary, just used for PPPoE). I have ...
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80 views

RRAS IKEv2 Behind Router

I have an installation of Server 2012 R2 running that I need to deploy an IKEv2 VPN on. It's my way of accessing files at my office. The current setup involves a NAT Router (Just a standard ...
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1answer
59 views

Private DNS in VPN

I have set up a VPN. I have a web app running on Apache and I changed configuration files only to allow connections from 10.8.0.0/24 subnet. My goal was to distinguish connection made from inside of ...
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1answer
38 views

VPN connection between two computers both masqueraded by symmetric NAT devices [closed]

How to establish a VPN connection between two computers both masqueraded by symmetric NAT devices without a public IP? I suppose ICE technique with TURN or RSIP protocol should be used in order to ...
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1answer
79 views

Can't Ping other local ips on l2tp vpn connection, getting: ping: sendmsg: No such device

I have setup an l2tp client using xl2tp to connect to an l2tp vpn server. The server connection requires that the connection be setup WITHOUT ipsec. So I have set up a basic xl2tp connection. The ...
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1answer
279 views

What are the ports needed for L2TP VPN on Mac OS X Server 5.0.15?

I'm configuring a Mac as a server with a VPN service. So, I opened the ports listed as used by VPN in Apple documentation: UDP 500 -> 500 (+ESP and AH) UDP 4500 -> 4500 Any UDP -> 1701 (I got to ...
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1answer
20 views

Windows Firewall - NAT to share VPN connection [closed]

I have a Windows 7 workstaion which has a permanent VPN connection to a supplier. There are several users who need to access the supplier's server from their own computers through this "gateway". ...
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38 views

How to set up VTI on Cisco router with dual ISP? [closed]

I would have dual ISP on both sites of VPN. How to set up VTI for VPN failover and redundancy?
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2answers
53 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 ...
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1answer
33 views

How to check whether a user uses a VPN connection on a my server? [closed]

I am administrating 10 servers and it seems like someone among the users is using VPN. I do not have root credentials but I can impose a control over the traffic. I want to check whether any of my ...
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0answers
13 views

Using DNAT with IPtables

I am trying to figure out a DNAT issue and I am hoping I can get a hand. Basically I have a OpenVZ box that connects to my LAN via the SoftEther Client. What I am trying to accomplish is a way to ...
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1answer
26 views

Secure way of running OpenVPN in windows 7

Is there a more secure way of running OpenVPN GUI in windows 7? Currently we have to use the runas command and savecred. This is fairly insecure as it allows the user to run any application as admin. ...
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1answer
31 views

Two VPNS needing to use same IP Address [duplicate]

What is the best way to deal with this problem. I have a VPN set up on my firewall that runs from a server on my side to a Customer Site. It is configured as serverA on my side and 172.31.255.1 /24 ...
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0answers
24 views

Get floating ip from mmm to work on Tinc vpn on Ubuntu

I've got 3 ubuntu servers connected with a Tinc VPN right now. 2 servers are running mysql 5.6 db's, and the 3rd is used only as a monitor. We're using mmm to do the monitoring and assign a floating ...
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0answers
25 views

openvp client “spoofing” server with IPv6

An openvpn client (windows 64 bit -presumable windows 8-) is connecting my OpenVPN server normally. After connecting, it is routing all it's vpn related traffic through the vpn, natting (seems to be ...
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66 views

Ipsec not working, cannot ping from server

I have a ubuntu server with public ip and want to connect to some network with ipsec tunnel. I can establish the connection (tunel), but when I try to ping the internal network PCs, there is no ...
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0answers
17 views

VPN stop working - can't reach local resources

Masters, I have no more hair on my head, so please help to fix... Topology: - Standalon Windows 2008R2 Server with RRAS - dhcp relay agent - SBS2011 Many years this works fine. Few day ago ...
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0answers
17 views

Execute script/gpo via Microsoft VPN

I've put together a small script to install a piece of software that will help us in migrating to Office 365. It's successfully deployed to majority of the hard wired/wireless domain connected ...
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1answer
117 views

Configuring azure site-to-site VPN with another network

I have an Azure VM (resource manager) already existing in a VLAN and i would like to know how can i setup a site to site connection. I have read ...
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2answers
198 views

How to disconnect a forticlient VPN connection from a script?

I need to make an bash script on Linux that connects into an VPN, processes some tasks, and then disconnects. To connect to the VPN I use the forticlient ssl vpn (like fortinet but for VPN instead). ...
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48 views

Connect using SonicWALL Global VPN Client from behind LAN interface

When setting up a connection in the Global VPN client, we need to make an initial connection so that we can enter the pre-shared key. We'd like to do this from inside of our LAN instead of having to ...
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42 views

EC2 Shared Drive / VPN / Security Groups

I have an EC2 instance, running Win 2008. On it, I have a shared drive. Windows permissions are set properly. The server has a static IP through Elastic IP. I do not want to open this to the world. I ...
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15 views

VPN and bad routing

I have a service listening on port 1000 UDP. This service receives packets from remote devices and responds to them. The IP from which the service responds must be the static IP I have assigned. Also ...
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1answer
135 views

OpenVPN server sending bogus default gateway information to client?

Though the VPN client successfully connects to the OpenVPN server, it seems to be setting an incorrect and bogus gateway no matter what permutations of push "redirect-gateway local def1" and/or push ...
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0answers
50 views

Setup PPTP VPN on linux for Mac OSX Usage

I have setup a PPTP VPN on my VPS with this script. With chap-secrets: "lunik pptpd XXXX *" But I can't connect it from my mac. I need help please :)
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45 views

Route VoIP traffic over VPN between Routerboards?

Context (the Why): We have a couple of remote offices in shared/coworking spaces across the country. We've had significant issues getting our VoIP phones to work with those internet connections ...
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0answers
74 views

SoftEther Site-to-Site VPN

I have already already setup a Site-to-Site connection via the SoftEther bridge package. (Please see attached diagram). I enabled SecureNAT on the central server, and to avoid conflict with my local ...
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22 views

RRAS Demand Dial Vs IPSec /w Connection Rules

Whats the difference between using the 'demand dial' feature of RRAS when establishing VPN's versus just using Windows Advanced firewall connection rules to establish IPSec connectivity between two ...
2
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1answer
66 views

Setting up a secondary network interface (VPN) on a linux server using openvpn

Network WAN __|___ |Router| ‾‾|‾‾‾ ______ 192.168.0.1----(192.168.0.0/24)----192.168.0.102-|Server|-192.168.3.1---(192.168.3.0/24) ...
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1answer
146 views

Best way to setup highly compatible VPN (thinking IKEv2) in Ubuntu 15+?

Having used OpenVPN for a while, I've found it tiresome to install a client on every machine that needs to connect (Android, Windows, Linux.) I'd rather just enter the details in the OS's built in ...
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27 views

Debugging a routing issue

So I have a weird temporary configuration that we have in place for a migration to AWS. (retiring some old equipment) I need to pipe web traffic from our current IPs in one datacenter to new ones in ...
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0answers
21 views

Sonicwall not accepting VPN from external block

We currently have 2 ISP, 1. comcast fiber, 2. comcast business. The fiber goes only to the sonicwall for the admin network. The business class is the secondary for the admin netowrk and the only ...
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0answers
24 views

Direct native traffic TCP file transfer between two NATted machines

Aim: I want to perform the fastest possible TCP based file transfer between two machines sitting behind two different NATs, in a situation where a public port cannot be redirected to any of the two ...
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160 views

Setting Up StrongSwan on CentOS 6 to Connect to Amazon VPC VPN

NB: This questions pertains to connecting Strongswan to AWS hardware VPN, NOT between two servers running Strongswan I tried following the tutorial here: http://www.mynameistoby.com/ It won't work ...
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1answer
251 views

Connection of a Server to my home network via Strongswan (received INVALID_ID_INFORMATION error notify)

I try to establish a VPN connection from my root server to my home network via strongswan. I've configured my router (FritzBox 7490) for VPN PSK XAUTH connections. A VPN connection from my ...
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10 views

Respond ACK to remote device while on VPN

I have a udp listener made on .net running on windows server 2008 r2 that listen to devices (AVLs) and sends ACK to them when a command is received. When a command is received, it is inserted in a sql ...
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1answer
413 views

download vpn device script configuration on azure resource manager vlan

I am trying to get the VPN configurationa of a VLAN e.g Encryption Algorithm on the new azure resource manager VLAN (as opposed to the classic VLAN) I used to get these configuration from a classic ...
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1answer
83 views

DNS resolution happening inconsistently over OpenVPN

Here's my OpenVPN server configuration: port 1194 proto udp dev tun ca ca.crt cert server.crt key server.key dh dh4096.pem topology subnet server 10.224.127.0 255.255.255.0 # AKA 10.224.127.0/24 ...
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31 views

Cisco 1941 EIGRP UP DOWN

We have two cisco routers 1841 and 1941. The 1841 keeps generating "holding time expired" and "interface goodbye recieved" about its neighbor the 1941. The VPN IPSec protocol seems to stay up. ...
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33 views

Running SQL Server based Program Via VPN

I have recently set up a site-to-site VPN. Location A has a PC running windows 7 (we'll call it Computer1) that acts as a server for a point of sale program. The program uses SQL Server 2008 to store ...
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0answers
60 views

Sending multicast over VPN (with buffering)

I am trying to connect two sites using VPN (OpenVPN) to transmit multicasts (IPTV) from one site to another. I have created a layer2 VPN and it works, however, multicasts are very sensitive to packet ...
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0answers
67 views

Change IPsec source port on windows. (Multiple clients behind NAT use same source port)

I have the exact same problem as this question, but I can't upvote it/comment on it: Multiple Windows clients behind a same NAT gateway cannot connect to L2TP/IPsec VPN server at the same time How ...
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0answers
125 views

Openswan IPSec VPN on AWS tunnel established but no traffic

I am setting up a tunnel with a telco using AWS/VPC/EC2/Centos7/Libreswan and have been stuck for weeks. Appreciate any help! I have 192.168.16.73 (VPN GW, EIP 52.76.x.x) and 192.168.16.116 ...
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2answers
123 views

How to add persistent route for 2 VPN connections when interface # varies?

I need to configure split tunnelling with persistent routes for 2 VPN connections on the same computer as the user needs to connect to 2 different corporate servers at the same time. I have a problem ...
2
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1answer
258 views

Is there something like a virtual VPN?

I am a small business owner, an ecommerce company, faced with following problem. Current situation. We have an office with a physical location. The office has a Cisco ASA Firewall / Router to connect ...
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0answers
28 views

Cannot connect to LAN when VPN connection is active

I have a headless server (skynet) which I would like to connect to a OpenVPN server running on a VPS I've purchased. The VPN is up and running and when I test to it with my laptop, I have internet ...