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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iptable connetion to VPN Server (VPN + DNS)

i want to create iptable rules that allow no traffic to the outside world with the exception to my VPN - Server (xx.xx.xx.xx) and local Network 192.168.0.0/24 The rules i defined: iptables -F ...
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106 views

Does openconnect have native support for Pulse Secure?

Since they rolled out Pulse Secure in place of Network Connect, I have been attempting to connect to my company's vpn using openconnect. I am seemingly able to run openconnect without errors, do the ...
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64 views

ipsec: Can't authenticate: no preshared key found for

I'm using Openswan with ipsec and ipsec keeps complaining about the shared-key not being present. I'm running Ubuntu 14.04 . I'm just experimenting on a couple of internal systems since I'm new to ...
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24 views

Configure routing between two VPN clients through RRAS 2012

I need to connect to my office network from home. I have set up vpn connection on my home laptop and vpn connection on one of my office servers (internal network, IP - 10.0.0.13, connects through ...
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41 views

IKEv2 with PSK on Windows Server 2012

Is it possible to configure Windows Server 2012 to run an IKEv2 VPN with a preshared key? It appears to be possible in the general IKEv2 protocol, and it appears to be supported by the actual ...
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40 views

Not able to RDP to the VM which is part of new subnet in Azure virtual network

Here are my environment detail I am using Azure IaaS (Infrastructure as Service) I am having one vNet (Virtual Network) I have set-up site to site connectivity (on-premise to azure) I have one subnet ...
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13 views

Is there a way to tell a machine accesible via a gre tunnel to join multicast groups via pimd or smcroute?

this has been stumping me for some time and would love any help on this. So I am subscribed to a data vendor through an intermediary firm. The intermediary firm has physical connections to the data ...
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63 views

Joining a UDP multicast through a server on the other side of the tunnel

I've drawn a diagram below to help with this question! So a company published a multicast UDP feed (company A) and another company connects to it (Company B). I have a point-to-point tunnel to ...
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61 views

Proper NAT/routing configuration for device-wide iON VPN (using NETunnelProviderManager)

I am trying to set up a VPN server environment to work with the test program provided by Apple called SimpleTunneler, which uses NETUnnelProviderManager introduced in iOS 9.0. For the server portion I ...
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45 views

VPN Clients not able to resolve DNS

I'm having trouble getting VPN clients to see other machines via hostname. IP addresses work fine, though this leads some systems to not working correctly. I'm running Windows Server 2012 AD ...
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35 views

What could cause racoonctl to show a Phase2 count higher than the number of ports racoon is listening on?

In my setup I have some EC2 instances in different regions linked by GRE tunnels, using ISAKMP via racoon. This setup is inherited, so bear with me if I fumble with terminology. Sometimes I get weird ...
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32 views

Router OpenVPN client connected, but remote VPN machines not visible

My goal is to connect my Asus RT-68 router to remote VPN network, so LAN computers can access remote ones. Remote OpenVPN server is run on Zentyal Linux distro. My LAN address range is 100.100.0.0/24 ...
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42 views

Can't connect to VNC server via OpenVPN

I've got the problem with connecting via VNC to remote computer. Connection goes through OpenVPN and I'm routing 5900 port to localhost.. ssh -p(port) -L5900:vpn adress of machine:5900 user@server....
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71 views

How do I use OpenVPN as an appliance in Azure to access protected resources?

I've been successful in creating a Virtual Network, adding subnets and security groups to different levels of our infrastructure, and installing OpenVPN on a VM and establishing a connection to it (...
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26 views

Sonicwall DHCP timeout after AWS VPN tunnel

I have just setup an AWS VPC with a hardware VPN tunnel to our datacenter via a Sonicwall NSA 4600. Everything is working fine with the VPN between Amazon and our datacenter, but the DHCP has stopped ...
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74 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 ...
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97 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 ISP-...
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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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48 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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89 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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36 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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147 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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112 views

One slow SMB/CIFS share causes slow and laggy network performance to or from fast ones in Windows 7

Windows 7 SP1+ (Ultimate), connected to both local network Samba (latest stable versions) over Gigabit Ethernet, as well as a VPN'ed Samba share that goes out over my ISP link (1200 kbps uplink). All ...
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115 views

Routing with Two Subnets - Azure VPN to RRAS (inside WRT1900AC Network)

In my network I have a Linksys WRT1900AC Router and a Microsoft RRAS VPN Server. The local LAN address is 10.10.1.0/24. In Azure, I have a Network that has a VPN connection to my RRAS VPN Server ...
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132 views

Direct all traffic between Eth0:1 interface and VPN Tun0

If answered correctly this question will show you how to link a 2nd public IP address on a machine to a VPN server tunnel on that machine, so that the remote VPN client (running a server), sees this ...
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53 views

Connect pfsense and VPC in AWS by ipsec tunnel

I'm trying to connect my pfsense box with AWS VPC by ipsec tunnel. I read couple of tutorials and all looks good. But ... Yes, always there is some but. When only one person is working then all is ...
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35 views

PPTP VPN 778 Error in all OS without iOS

I deployed a PPTP VPN tunnel on my Bandwagonhost's VPS with Debian 7, When I use my phone(iOS),They all can worked well. But When I use my PC(Win7 or WinXP or Android),It noticed me that:778 Error. ...
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100 views

Server 2012 R2 RRAS Inbound/Outbound Static Filters Not Working

I recently spun up a new Server 2012 R2 VM to use as a PPTP VPN server. The machine is fully patched, and has only the Remote Access role installed. Per standard configuration, the machine has two ...
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17 views

VPN connection drops when using encryption

I have set up VPN server on Windows Server 2012 If I use encryption to connect to the VPN server the connection would drop after 20min, If I dont use encryption the coonection stays fine. The client ...
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23 views

VPN connection drops after ~23 minutes

I have set up VPN server (PPTP) on Windows Server 2012, I connect as a client from a Windows 7 PC and after roughly 23 minutes the connection drops, redials and connects fine. There are no ...
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64 views

Windows server can't connect to other servers over VPN

We have 10+ VPS's running Windows Server (mostly 2012R2). All these servers have both a public and private network interface, with the private network including a pfsense VPS that builds a VPN ...
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138 views

AWS VPC failed communicating through VPN Tunnel

I have created a VPC scenario 3 in AWS. Configured ipsec vpn site to site between aws and cyberoam. Tunnels are up. I have added the security groups to the ec2 instance in private subnet to give full ...
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50 views

DC's on separate sites, VPN connection, gateway change - can't see each other

Ok I had a working setup and I know what the issue is but just asking if simple way to fix. Two offices each with DC on different IP ranges, 160.0.1.x and 160.0.2.x. The VPN goes to a router 160.0.1....
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146 views

VPN Server in Windows Server: 2-factor with google authenticator or similar?

We would like to use windows server as a vpn server for ipsec vpn for remote laptop users. We would like to require 2 factor auth, so these users would present their windows credentials, and then ...
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71 views

Is possible monitor the VPN's bandwidth with Check_MK? How?

I would like monitor the bandwidth in the VPN of Juniper SSG5 with Check_MK. Is possible? How? For the moment I am monitoring the status with the check automatic (check_mk-juniper_screenos_vpn). ...
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300 views

CentOS + strongswan + iOS VPN API, hal

I'm trying to setup StrongSwan on CentOS for iOS with VPN API. This API uses IKEv2 protocol. Here is my logs + configuration files. When i press connect in iOS device it's getting off in a few moments....
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124 views

How do I deploy Docker Swarm securely, without hard-coding everything?

I would like to set up Docker Swarm over a public network, and I would like to minimize the amount of reconfiguration that has to happen when workers' IP addresses change. The recommended setup ...
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27 views

WAN bonding to a VPN server

We have some network issues with our ISP's and almost always have one WAN link down/repairing. We currently use WAN Failover, however this cuts out our SIP calls midway. I want to join three ...
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233 views

Server 2012 network share cannot be accessed on Windows 10 through cisco vpn

We have a user who is at home trying to get access to our Windows 2012 server network share. He can view network shares on 2008 but not on 2012. We had this previous problem with users on Windows 8....
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613 views

Repeating mDNS/Bonjour requests from eth0 through a tunnel (tun0)

To start off, I am quite new at both networking and Unix/Ubuntu/Linux distros. Just a warning, for any setup/code may look a bit ugly. Basically, my end goal is to successfully AirPlay Mirror to a ...
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260 views

OpenVPN redirect-gateway not working on 3G cellular

I have trouble setting up an OpenVPN server on Ubuntu 14.04. I followed this guide from Digital Ocean step by step and it works perfectly for all WiFi devices such as my laptops and desktop either on ...
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130 views

Can't connect multiple user to L2TP VPN server (Error 720)

I have a VPS running windows server 2008 r2 standard. I configured Routing And Remote Access and NAT , i created multiple users with "Network Access Permission: Allow Access" . What i have done in ...
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292 views

Computer Name lookup over PPTP VPN

I have a very small company with just 1 server, a Windows Server 2008 R2, serving as an AD DS, DNS, WINS, DHCP, and now RRAS VPN. Not ideal, but it's what I have. I recently turned on routing and ...
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49 views

Amazon EC losing SSH after establishing VPN connection

I have an Amazon EC2 instance with Ubuntu 14.04, where I have a Cisco VPN client installed. I am using Cisco AnyConnect Secure Mobility Client (version 3.1.04072). When I run the VPN client, I can ...
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199 views

IPSec/L2TP VPN server with multiple IP: connect with different ip fail

I have set up a IPSec/L2TP VPN server on EC2 running Ubuntu Server 12.04 with openswan 2.6.37/xl2tpd 1.3.1. It's successful When I connect with default IP(private IP :172.31.14.4, public IP: 54.69.159....
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359 views

Openswan through Amazon VPC Routing to Office Network

Were trying to create a road warrior VPN network. Since the internet in our office is slow, we are running it through a VPC with a replicated AD and File Server. There is currently an Amazon VPC VPN ...
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618 views

DNS Failure From Cisco AnyConnect SSL VPN Subnet

We have three Windows Domain Controllers (2012 R2 and 2008 R2 mix), all DNS servers. Split-zone DNS scenario. DNS resolution is working for all internal subnets except over User VPN. All network ...
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115 views

PPP Adapter answer instead of local NIC

I have set up our DC as a RAS server. I am now aware that this it not a recommended thing to do, but it's done, and it's our only server so it saves me a lot of work if I can keep it like this. It's ...
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25 views

Routing is disabled for LAN users while choosing all-net for IPSec tunnel

I have VPN with L2TP/IPSec server and tunnel configured. When I choose all-nets 0.0.0.0/0 to allow connection from any computer in the world, all LAN users with subnet 10.0.0.0/8 are disconnected from ...
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30 views

OpenVPN and oLDAP configuration

I have a Linux VM setup with OpenVPN on Debian 7.8. I copied the client files over to my MacBook and iPhone and I'm successfully able to create a VPN connection without any issues. However, I'd like ...