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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Add VPN To WIndows VPS via RDP ? (Internet access - A Quick n Easy Way)

I have a VPS running Windows Server 2008 R2 with one NIC hosting some websites. I have tried to install OpenVPN with no success. I am trying to set up for VPN with 1x user and password specifically ...
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16 views

Static IP for vpn client on (Win 2012 R2)

I have Windows Server 2012 R2. I have configured VPN to the server. External clients can connect ok with AD credentials. I am able to assing static IP for specific user like in the picture below (and ...
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9 views

VPN server stopped functioning with Windows clients

Our Windows 2003R2 VPN server (Routing and Remote access) no longer lets Windows clients (Windows 7, with the latest MS patches) connect. The client tries, and craps out with Error 806. This is PPTP. ...
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Access files on remote computer via VPN

Environment: We have Office Mac Pro. I have Mac Mini at my home. I can connect to Office VPN. Question, How can I access file in Shared folder from Mac Pro from home? I have tried smb:// and afp:// ...
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2 views

ClearOS OpenSwan to Linksys RV042 VPN not encapsulating packets

I have a big problem which prevents our IP Phones to be working properly for a week now; Our old DFL-210 fried during an electrical event. It was doing an IPSec VPN with our remote site via their ...
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12 views

Ubuntu can't connect as IPSec L2TP client

Goog afternoon, I have a corporate local network located behind NAT. There is another NAT in this local network for the corprorate server on Ubunit 12.04. So if clients connect to that server ...
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1answer
27 views

Use internet connection of server, on a client, using proxy or something [on hold]

I am working around to find the best and simplest solution to this: Assume we have a windows server 2008 R2 (name this A) with 2 network card configured, one is connected to Internet and another is ...
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14 views

How to configure strongswan to support iOS mobile devices?

I'm trying to configure strongswan server to support iPhones and iPads. I'm using client certificate for authentication, I have the following configuration for iOS in strongswan.conf : conn iOS ...
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7 views

whilst on a vpn cannot access some cdn sites [on hold]

I use windows 7 machine and a VPN to access a remote work computer. This worked fine and I was able to also access skype simultaneously on the home machine (to take a work call with smooth sound) and ...
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23 views

How to build a Layer 2 VPN across an uncontrolled network using cisco router?

We have two cisco 871 routers, one is in the datacenter with a fixed ip address, the other is at our office with a changing ip address(dsl with pppoe). How to build a L2 VPN for this scenario? I ...
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2answers
28 views

Bridging Two VPNs With Routing Tables and OpenVPN

I have a set up that looks like this: + | ...
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33 views

NAT for IPSEC access?

Please help to understand if the following configuration can be created. I have IPSEC connection with my customer. It is site2site vpn between customer network and my network 10.102.103.0/28. This ...
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17 views

VPN server setup in Windows 8.1 [closed]

I am facing a challenge in setting up a VPN server in Windows 8.1. My current setting: I am in Canada and using Rogers Static IP internet. Roger--->Rogers Modem--(hard wired)-->dlink DIR-515 ...
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17 views

stop rdp to deactivation session after close

I try to run VNC Server on my Server2012 R2 (VM on HyperV Host). I login via RDP (mstsc.exe) to a Windows Server 2012 R2. Connect via real VNC to the Server also. After closing the Windows RDP ...
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1answer
27 views

Trouble hitting EC2 AmazonProvidedDNS server over VPN

I have a VPC using the network 10.10.0.0/16, and a VPN server in the public subnet (10.10.0.0/24). The VPN uses addresses in the 10.11.254.0/24 range. When I connect to the VPN, I can access hosts in ...
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20 views

Running standard (GUI) vpn pptp with the rules in iptables [closed]

To connect to the vpn I use a standard pptp (GUI). Ubuntu 14.04 http://i.cubeupload.com/xe7TL3.png I pre-configured iptables so that would be the internet connection was only TOR (debian-tor). ...
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1answer
48 views

How can I connect two machine's networks using a software approach?

Updates: let's assume the locations are separated, so WAN transversal is a must, and no physical networking is possible. I want to be able to connect two machine's networks together using a ...
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20 views

Windows VPN / TMG Server Expired Password Stuck Sending New Password

I have a Windows Server 2008R2 Server running Forefront TMG (7.0.9193.500) which works as our firewall and VPN gateway. For the most part it works, blocking traffic and allowing users to VPN in. I ...
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6 views

Cannot access Windows file share over Kerio VPN

My setup 1 Domain controller OS: Server 2012 (also file server 1) 1 File server OS: Server 2012 (file server 2) My problem When domain users (laptops authenticated via Kerio VPN) try to access ...
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17 views

OpenVPN - manually config IPs allocation

Yesterday I did this question about a strange fact (that firstly I thought it was some misunderstood from my part, but now looks real) that OpenVPN cannot allocate more than 63 clients when using ...
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27 views

What is the significance of the “gateway subnet” for Microsoft Azure VPNs?

We have a point-to-site VPN setup in Microsoft Azure to house our cloud services, virtual machines. The point-to-site configuration allows our office workstation to individually connect to that VPN ...
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1answer
65 views

OpenVPN 63 max clients limit?

I'm newbie in network/routing subject and I'm doing my first VPN server. While reading my server.ovpn file, I saw the line: server 10.1.0.0 255.255.255.0 So I though: looks like I can reach only ...
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1answer
32 views

Debian 7 ignores /etc/network/if-up.d on reconnect

I want my static routes to automatically be loaded on VPN reconnect. According to the wiki on Debian this can be done by placing a script in /etc/network/if-pre-up.d/ So I did, this is what it looks ...
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38 views

Access internal network via VPN

I'm quite the newbie when it comes to network admin, so please excuse my ignorance! I have what seems to be a fairly simple-to-solve problem (so I hope!) Inside my company, we run a Synology Server ...
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1answer
37 views

Is it possible to bridge/join two or more vritual (Hyper-V) switches with the same address range over VPN?

I have several Hyper-V servers which are not in the same LAN. On every server are several Hyper-V guest VMs which are connected via an internal virtual switch. Now I want to to connect these two ...
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1answer
27 views

How to “clear” IPs allocation?

my server is allocating 4 IPs per new key generated. I read in documentation that this is a normal behavior when using a /30 subnet (I'm not sure if I'm using this :roll: ) Anyway, I noted that I ...
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17 views

How to simulate to be a in a private network for developing VPN

I am facing an issue I cannot solve. There is a business they have a private network( with an IIS). I have the code of a app deployed on this IIS. Now i have to implement some new features in the code ...
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25 views

OpenVPN won't connect from remote location [migrated]

I set up OpenVPN on a linux machine in my basement. I'm able to connect from my Windows 8.1 machine without an issue when I'm connected to the local network. In this instance, I set the config file ...
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13 views

Configure ufw pptpd and dnsmasq on the same server

I've got a an ubuntu 14 server running both pptpd and dnsmasq. I'm having trouble configuring ufw to allow pptp clients to resolve their DNS queries using the local dnsmasq server. I've correctly ...
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1answer
31 views

Does a site-to-site IPSEC vpn need an always on connection?

Does a site-to-site IPSEC vpn needs an always on connection/tunnel with keepalives or is it possible to only encrypts packets when needed (when it matches a route or something like that)?
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1answer
17 views

SCADA devices and VPN device

I have several SCADA systems that are all static IP addressed system running on my network. I would like to out a small VPN Device (for lack of a better word) between the device and my network. The ...
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1answer
51 views

How to RDP securely to an EC2 instance?

I have a VPC with a few EC2 instances running Windows Server 2012 that will be used as workstations (in a similar way to WorkSpaces). Right now they are in a public subnet and users can connect using ...
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25 views

How can I solve DNS delay on iOS over VPN

When connecting iOS devices to our Sonicwall VPN (L2TP) it takes about 30 seconds before any internal servers can be contacted. It appears to be purely a DNS problem because they can be contacted via ...
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1answer
34 views

What can possibly prevent tcpdump from showing request packets?

I am trying to debug a little SOAP issue. I am using a java web app to consume an API over a VPN. ping and telnet on the webservice server are fine.The Environment is aws ec2 for my app. I have no ...
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18 views

Ipsec right side multiple ip's and phases lifetimes

This is my setup for ipsec: conn outside_company authby=secret ike=aes256-sha1;dh2 phase2=esp phase2alg=aes256-sha1;dh2 pfs=yes keyingtries=3 ikelifetime=24h ...
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1answer
20 views

server 2012 vpn not passing traffic

Having some major problems with Server 2012 Essentials. Have setup remote access and installed RRAS console. I can connect to the VPN through SSTP or PPTP no problems. Authentication is fine (NAP is ...
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1answer
47 views

Cisco 2901 - IPSec VPN Maxing CPU

We have a Cisco 2901 on the edge of a 100Mbps/100Mbps WAN link which is providing an endpoint for an IPSec VPN to a Juniper SSG 550M. The problem is that we are seeing a max of 'only' 40Mbps over the ...
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1answer
13 views

Why OpenVPN create keys with '-nodes' option?

I was reading about the parameters that OpenVPN build-key script uses to generate a private client's key (with OpenSSL) and I noted the parameter "-nodes". According to documentation, this parameter ...
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1answer
22 views

openconnect on startup at debian wheezy through ssh [closed]

I am trying to connect to Cisco vpn using open connect. I can do it with the terminal where it asks for my user and pass. However, is there any method for automating this on login.
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1answer
64 views

Bridge PPTP VPN with local network

I have configured on my Ubuntu a VPN server using PPTPD. I can connect to it from outside of my LAN, I can use it's internet connection. But I cannot see my LAN clients (because the VPN and the LAN ...
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18 views

Share local area connection with multiple TAPs

I'm setting up an VPN server. In this server I want to have 2 different encryptions (1024, 2048), each one in different ports. So I created 2 TAP adapters, and shared the local area connection with ...
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1answer
51 views

FreeBSD L2TP VPN connection error

I have a L2TP/IPsec VPN server on FreeBSD 10 set as this article. Everything works fine except clients cannot receive packets from outside. Here is the tcpdump result when a connected client tries to ...
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2answers
55 views

How to connect two building 5km apart from eachother?

I have to design a network and give an estimate of the cost of all the equipment. Now I have 3 building 100m apart which I'll connect with Fiber without a problem. Two of those though are connected ...
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1answer
34 views

How to check the packets is actually coming thru the VPN Tunnel

I have setup up a VPN server with strongswan. My VPN is coming up, but I want to make sure packets are actually going through the tunnel. Are there some commands to check this on the VPN ...
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22 views

tun0 not listening traffic on a simple vpn example

I tried to setup a simple vpn test server on Ubuntu 12.04, called ToyVPNServer. The guide is simple and I take test for days but still cannot get connected. The inspection result is showing the issue ...
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1answer
58 views

How does a proxy server handle non-http traffic?

I have an application that makes an un-secure connection over a non-http port to a server daemon. We use this tool internally. There might be occasion for some of our users to work outside our ...
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26 views

How can I set up DirectAccess so that I only need a single physical server?

In a bid to minimise hardware complexity and overall cost for the small network I look after, I'd like to know how best to get DirectAccess up and running as simply as possible. We currently have a ...
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33 views

Windows PPTP VPN - Slow File Transfer

I currently have a PPTP VPN configured between my SBS 2011 box on site and a Server 2008 R2 box in a datacentre. Line speed in the office is 20Mb leased line with 1:1 contention and obviously the ...
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1answer
215 views

Under what circumstances is TCP-over-TCP performing significantly worse than TCP alone (2014)?

Many admins keep perpetuating - on ServerFault and elsewhere - how bad of an idea TCP-over-TCP is, e.g. in VPNs. That even the slightest packet loss will make one suffer from at least severe ...
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49 views

PowerDNS Reverse lookup is not responding in VPN connected network

I created a test network. It is a star VPN network with: - 1 main router - 2 subrouters (DrayTek Vigor 2920) - behind each router a client - behind the main router a PowerDNS machine now the ...