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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Windows VPN server can talk to VPN clients, but won't send packets from its local network to the VPN clients

I want to configure Windows Server 2012, and its Windows 7 and Windows 8 VPN clients, with an SSTP VPN that uses split tunneling and off-subnet addressing, but I'm running into a problem: the RRAS ...
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124 views

Cisco ASA ipsec vs Anyconnect client issue

So I have an iPad that has a IPSec VPN created. I am able to connect from the outside fine and I can access my local LAN files just fine. When I connect with the Cisco AnyConnect client from the same ...
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167 views

Overlapping subnets - VPN

I have Site to Site VPN on Debian box which is setup by rackoon. It works fine, however because subnetworks overlap NAT is used on both ends of the VPN (1.1.1.1/32 & 2.2.2.2/32) On both subnets I ...
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252 views

What does tracert make NETBIOS work on Win7?

This is really strange - I have a workaround for this (read on), but I'd love to know why it works. I had a VPN setup working fine with a WinServer2003 server and a Vista client. Then I setup a new ...
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705 views

How do I configure OpenSwan to allow pure IPsec (not L2TP) connections from an iPhone?

Similar to this question, I want to configure an IPsec server on Linux which will accept connections from the iPhone. However, unlike the other question, I want to be able to test with pre-shared keys ...
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2k views

Issue routing openswan vpn traffic beyond the server

Trying to set up a openswan based server sitting in an Amazon VPC cluster. The goal is to make it so we can VPN into VPC and have our workstations be as if they were on the network, more of a ...
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631 views

Trying to get a new user up on pfSense IPSec VPN; Config file import failed, now getting gateway errors

Caveat: I am not a sysadmin, so please forgive the n00bness of the query. We have a new user and I'm trying to get them up on VPN. We use pfsense as an IPSEC endpoint. This person is using Shrewsoft ...
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995 views

Site-to-site VPN using MD5 instead of SHA and getting regular disconnection

We are experiencing some strange behavior with a site-to-site IPsec VPN that goes down about every week for 30 minutes (Iam told 30 minutes exactly). I don't have access to the logs, so it's ...
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50 views

Understanding an OpenVPN bridge from iptable's point of view

In my scenario, there is a machine which acts as both an iptables-based firewall and an OpenVPN-server at the same time. It has two network interfaces - eth1 is connected to the internet whereas eth0 ...
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182 views

strongSwan 4.5.2 with iOS and Mavericks, Connection Troubles

I am having trouble configuring strongSwan 4.5.2 to work with iOS 7 and OS X Mavericks. I have followed these two guides, but am still encountering problems. ...
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78 views

How to allow vpn users to access only specific servers?

Currently we have an ASA with an IP pool to allow an outside contractor to remotely connect and access our network. What we would like to do is limit what they can get to once they are connected. I ...
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40 views

Mac 10.9 Server + Windows Foundation 2012 Server + VPNing in = Is it possible?

I need to be able to connect to both a Mac 10.9 server and a Windows Foundation 2012 Server at the same time through a single VPN login... Alright so here's the skinny on the setup. Running OSX ...
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143 views

capistrano deployment script fails with Cisco AnyConnect VPN connection

I am new to capistrano and trying to run script to deploy source codes to QA server which connected with VPN. Tested script in my 'Git bash' shell in windows machine. I have no problems at connecting ...
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638 views

Site-to-site VPN between Azure Virtual Network and a Cisco RV016

I'm attempting to configure a Cisco RV016 router to connect to an Azure Virtual Network to create a site-to-site VPN, but it's not working. I'm aware that a Cisco RV016 is not in the list of ...
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581 views

Why does IKEv2 fail on Windows 8 and Android strongSwan, but not on Windows 7?

I'm trying to allow Windows and Android clients to connect through a VPN to a Windows Server 2012 Essentials machine. The VPN works fine over SSTP, but for performance reasons, I want to move to ...
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168 views

IIS 6.5 application hangs - strange behavior

Ok, here are the symptoms in chronological order: (iis 6.5 - asp.net 2.0 - windows server 2003) Application pool drops all requests. (dropped, and abandoned by reqQueue) Trying to log into ...
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2k views

Can't get past “pending Phase 2” on OpenSWAN <-> ISA Server IPSec VPN

The issue I´m having quite a hard time configuring OpenSWAN on my Linux server (Ubuntu 12.04) to connect to an ISA Server 2004 IPSec VPN. There is apparently something wrong in the configuration that ...
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701 views

openvpn refusing connections with freeradius

I installed openvpn and freeradius from yum and I installed the radiusplugin_v2.1a_beta1.tar.gz but I am having connection issues with the error: XML-RPC: ConnectionRefusedError: 10061: No connection ...
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538 views

Can't ping other machines at Linux VPN PPTP server's local lan from outside

Before anything else, hello guys, this is the first time I ask for something here so I hope someone can give me a hand, please look at the following network diagram: ...
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292 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. ...
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288 views

Server doesn't accept L2TP connections although it is configured to

I own a Windows Server 2003 VPN server which my clients connect to for accessing the local network.. I have configures the RRAS to use the RADIUS authentication and accept connections. The PPTP ...
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1k views

setup Zyxel USG 20W as L2TP VPN Server

I have a Zywall USG 20W (wireless disabled) behind a router supplied by my ISP. All ports (both TCP and UDP) on the ISP router are forwarded to the 20W. I'm trying to configure an L2TP VPN to be used ...
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1k views

Cisco AnyConnect hangs on “Checking for profile updates…”

I have a Cisco AnyConnect accessing ASA 5510. The AnyConnect connection correctly authenticates and then hangs of "Checking for profile updates...". The client (Vista64) is behind a firewall and can ...
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153 views

Dynamic VPN tunneling technologies

Ok, so I'm asking a more specific question this time. I'm writing a paper about Cisco's DMVPN and one of the tasks I have is to make the analysis of available network solutions which use dynamic VPN ...
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189 views

Sending L2tp/IPsec PSK client packets to OpenSwan server

I'm trying (kind of) to create VPN client, I set my server on Ubuntu using OpenSwan (L2tp/IPsec PSK). What I'm doing right now is sending packets to my server and trying to exchange my keys with the ...
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2k views

Debian squeeze as L2TP/IPSec gateway for Android devices

I'm trying to configure Debian squeeze as L2TP/IPSec VPN for Android devices, but with no great success. So far I have done following: Successfully configured Debian with openswan implementation of ...
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467 views

Juniper SSG5… How to setup VPN to Netgear FVS338

I'm trying to configure a Juniper SSG5 for VPN. So far I'd say I'm lost lost lost. The server (just one for now) is a dedicated host at a hosting company. I have a block of 8 public IPs (/29), the ...
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351 views

VPN client has severe intermittent connectivity issue with Windows 2008 RRAS server, but NOT with the other remote servers

I have a Windows 2008 server setup in the cloud as a RRAS running VPN access and NAT. It is joined to a domain controller also running in the cloud. A Windows 7 VPN client connects using SSTP to the ...
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0answers
4k views

cisco asa NAT to site-to-site VPN

I'm trying to NAT an external address to an internal address which is not local, but on a remote end of a site-to-site VPN connection. Is this possible? Log says Routing failed to locate next hop for ...
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784 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 ...
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389 views

RDP or SSH connection trough Windows 2008 server VPN hang after a while

I have been experiencing a very strange issue with our VPN setup on Windows Server 2008. That server is running as a Xen Virtual Machine. We use it for two purposes, permit our mobile workers to ...
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534 views

Windows 7 VPN fails due to Protocol-Reject for 8021 (IP Control Protocol)

Server is Windows 7 Ultimate, client is Windows 7 Professional. Server setup: (from Network Connections screen) > File -> New > incoming connection Who may connect? > Added a user How ...
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40 views

Route between two branch offices via IPsec VPN to head office?

I have TMG 2010 running on Server 2008 R2 in our head office with 2 branch offices connecting in using Dray Tek 2930 routers with IPsec site to site VPNS. The remote sites can route between the head ...
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32 views

Cisco RV016 dual WAN and VPN setup

I have a VPN of several RV016 routers and I want to set some of them with 2 ISPs. I plug the two ISP cables in WAN 1 and 2 ports and configure the router to "Intelligent Balancer(Auto Mode)". It works ...
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55 views

Openswan and sonicwall and encryption parameters

This error leads me to investigate my encryption parameters: 003 "sonicwall" #2: ignoring unknown Vendor ID payload [...] Can some expert please have a look at tell me what is wrong? Sonic wall ...
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259 views

OpenSwan + AWS + Ubuntu 14.04 - Cannot reach server

i'm currently trying to set up a VPN in order to login into a private subnet hosted on AWS. The target host has Ubuntu 14.04 and installed OpenSwan. I've setup ipsec.conf, ipsec.secrets, xl2tpd.conf, ...
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129 views

Is it possible to do IPSec Site to Site VPN without static & public IP on one end?

I am working on a project for my engineering degree that requires me to interface with some pre-existing equipment, so I am rather limited on my options. I'm rather new to VPN and ipsec for that ...
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109 views

VPNC cisco + quick mode response rejected error

I installed a vpnc on my Linux red-hat machine version 6.3 Most of the cases vpnc work well ( connecting to gateway customers by vpnc ) But against some particular customers ( Cisco gateways ) , ...
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65 views

TUN/TAP VPN no internet connection

I have set up a tun/tap vpn to a VPS. For this, I created a 10/24 network and gave the server the IP 10.0.0.100 and my client got 10.0.0.200. I can now successfully ping the server / access my mail ...
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52 views

Connecting to incoming VPN clients from local ip

I have a dynamic VPN set up on a SRX 220 running Junos 11.4R10.3 Clients can connect and access the protected resources, but systems on the local network can not access connected clients. ...
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152 views

VPN connection reset

I have a device running ArchLinux and OpenVPN, which was connecting to VPN server without problems until recently. Now it can't connect, with the following output that keeps looping indefinitely: ...
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54 views

How to set the router address in OSX Server VPN

I am able to connect to OSX Server (10.9.2) through a (L2TP) VPN tunnel. However, any other computers in my subnet can not be accessed. On the client (OSX 10.9.2), the router's IP address is being ...
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948 views

How to tunnel all Internet traffic via SoftEther?

My intention is to route all Internet traffic via a remote machine behind multiple NATs. The ISP's NAT servers are not under my control. Both machines are running Windows 7 (client - x64 and server - ...
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476 views

Why OpenVPN client fails to start (TLS timeout) when wifi signal is not ideal?

I have OpenVPN clients running on Carambola2 devices [1] and when I use 3g/umts stick or wired ethernet then OpenVPN clients establish vpn tunnel every time. When wifi is used then OpenVPN client ...
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49 views

VPN, routing and bridging two networks together

I have a site which I can VPN into via a Cisco RV082 10/100 8 Port VPN router. The IP address subnet on the LAN is 192.168.3.0. One Windows machine on this network contains two network cards which ...
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44 views

Open ports for VPN users

I have been looking around for some time for answer to this, and have yet to find one. The issue that I am having is that users that are connected to the VPN cannot do the following, as examples: ...
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136 views

How to prevent Windows Server 2008 R2 from automatically shutting down applications?

I have been running various processes over night on a Windows 2008 R2 AMD64 SP1 virtual server share via a VPN connection and remote desktop. Recently, I have been noticing that when I return in the ...
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68 views

VPN/tunneling/proxy service for devices in the field

I'm trying this question here, but if there's a better stack exchange or somewhere else that's more appropriate, please let me know. Thanks! We have a number of devices in the field in corporate ...
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310 views

Azure Point-to-Site VPN but no DNS

I've got: an Azure Virtual Network, an Windows Server 2012 Domain Controller on that network, a Point-to-Site VPN set up for that network all the way so that I can connect to it from my local ...
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201 views

Vyatta Remote Access VPN firewall (PPTP)

I am using Vyatta Remote Access VPN (PPTP) and NAT for proxy. When pc-A and pc-B are connected to VPN, pc-A ipaddress is 192.168.10.10 and pc-B is 192.168.10.11. ...