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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Need help configuring NAT

First of all, the router I am using is a Cisco WRVS4400N. My company runs a software which handles the MySQL database of all of their products. The software now has an e-commerce module, so I have ...
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38 views

Best Practise: DNS and VPN (with private network IPs)

I am trying to find the best solution for my DNS problem. We are running several services in our company that you can reach only over VPN. Other services, that are reachable through the internet got ...
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19 views

Outlook Issues with Remote Users, VPN Connections, etc

A few weeks ago I was asked to enable EWS and Outlook Anywhere which had not been previously enabled. I did so, but this seemed to cause issues (they may not have been implemented correctly) for ...
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14 views

Create VPN between windows and sonic wall

I'm trying to establish a VPN connection between our Windows 2008 R2 server and a client's SonicWall device. The problem is, I'm not entirely sure where to start. I thought I could just add it to ...
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2answers
641 views

Distinction between an extranet and a DMZ

I've been reading about intranets, extranets, DMZs and VPNs now, and I'd need some clarifications related to extranets and DMZs. I understand that they are different types of concepts - extranet ...
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1answer
11 views

NetExtender: Unable to reconnect

I am running NetExtender on my Linux based server to connect to the another company's private network. The connection works fine but once in a month, if the connection drops it does not reconnect ...
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1answer
24 views

Set up proxy for vpn server on ubuntu server 12.4

I have a vpn server with HTTPS, L2TP, OPENVPN, and PPTP. I want to set up a proxy on the server, so all connection that comes from vpn clients, they will use that. I created the following bash script ...
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1answer
19 views

Login to domain account after leaving then rejoining domain

I stupidly removed my laptop from the company domain, but have used the local admin account to put myself back on it. It's setup fine, however I am getting the error there are currently no logon ...
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34 views

Regarding AD Domain controllers and remote branch offices

We have central HQ building and a lot of small branch offices connecting via VPN and want to implement AD (If you can believe we still haven't). We want everyone to log in using domain accounts and be ...
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1answer
24 views

How to set up vpn tunnel (ipsec) connection

I'm working with a client who wants to set up a vpn tunnel between their network and ours. They're in charge of the tunnel and to give us the access they are asking me my public IP and my LAN IP. ...
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15 views

VPN Client solution [on hold]

I have several VPN's that I need to establish on a daily basis but from multiple workstations. What I would like to do it have either a server or vpn router that can perform this connection itself ...
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26 views

Choose a VPN software on CentOs 6.5 [on hold]

We are installing a SMS gateway with Kannel, on a CentOs 6.5 server, which is supposed to connect via SMPP to our local operators. Kannel is working fine and no probleme there. Now 2 operators are ...
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28 views

VPN with client-to-client direct connectivity?

When setting up a VPN, clients (say client1 and client2) usually authenticate to a server, and together the three constitute the VPN. When client1 wishes to send a packet to client2, this packet ...
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2answers
87 views

Cisco ASA SSL VPN options?

Disclaimer: I am not a network admin so I may be wrong here but I thought asking here would help. I'm a developer mainly on the .net framework as well as helping get a mobile intranet app working. ...
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8 views

Web Application Missing Buttons And Receiving Truncated Data - Why Did App Pool Reset Fix?

Problems: My client just called me to complain of a missing link button on an ASP.NET 4 Web Form. He is viewing the site on their local network. I connected to the site on their network via VPN and ...
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1answer
45 views

OpenVPN tunnel one-way traffic failure between LAN and AWS VPC

We are trying to configure an OpenVPN tunnel that allows devices on our LAN to communicate with servers in an Amazon VPC. We are using the turnkey OpenVPN access server instance on Amazon and have ...
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19 views

Routing all network traffic through a VPN for VOIP purposes

We have recently moved offices and as we are in a rural area there is no broadband, but there is a strong 4G signal. Problem I have is that our VOIP phones are not allowed to pass through the 4G ...
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20 views

Can't use a Box in Amazon VPC subnet to connect to the other side of the site-to-site VPN tunnel which is already up

This is what I have done created VPC 192.168.0.0/16 created subnet 192.168.5.0/24 created internet gateway attached internet gateway to VPC created routing table set destination route 0.0.0.0/0 to ...
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2answers
361 views

VPN Security: unknown users trying to connect PPTP VPN

I've configured a PPTP VPN in a small company which so far is running well. In the VPN logs, they've found several logs of attempted connections from unkwoun users, one attempted connection every ...
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25 views

Routing traffic from LAN over VPN link out to 'net; works from router, not from LAN. What route is missing?

I have 3 machines. 2, routers, are connected over a VPN. The 3rd is a PC on the lan behind one of the routers. internet | | ROUTER S1 external: YYY.56.52.56 ...
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17 views

Is it possible to configure an IPSec Vpn without ike and esp group id

I am trying to configure a site-to-site vpn with a client and the information sheet that I was given there is no ike and esp group name/id. I have been using VyOS and all tutorials and guide read so ...
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46 views

Android to openswan/xl2tpd/pppd error: result_code_avp: avp is incorrect size. 8 < 10

I am trying to use a simple Android 4.4.4 VPN connection to openswan/xl2tpd/pppd combo. the IPSec SA works, but xl2tpd at one point terminates the pppd and this shows up in logs: xl2tpd[17990]: ...
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21 views

Site to Site VPN - Openswan and CISCO A2A

Below is the diagram that the VPN connection between Openswan server and CISCO A2A. http://i.stack.imgur.com/yQBSw.jpg client A and B are remote hosts with static ips. client X and Y are behind the ...
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1answer
36 views

Config OpenVPN on Window Server 2008 R2 for client can connect server's Lan network

I installed openvpn 2.1 on my Windows Server 2008 R2. My server has 2 network adapter. The first adapter connect to internet. (default gateway here) The second adapter connect to lan network. ip ...
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26 views

WINDOWS 8.1 VPN PPTP Network Folders not shown

I recently was able to set up a Windows machine to be used as a VPN Server using windows vpn. I port forwarded 1723 from the modem to the router. The modem has a static ip going towards the internet. ...
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1answer
61 views

ipsec verify on ubuntu Two or more interfaces found, checking IP forwarding [FAILED]

Ubuntu 14.04, Openswan U2.6.38/K3.13.0-30-generic When I run ipsec verify I get this error. Two or more interfaces found, checking IP forwarding [FAILED] I see quite a few of this same ...
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22 views

OpenVPN connection breaks after a few seconds

For the last hours I have been trying to connect to a VPN network through openVPN. My connection settings are: IPv4 tab: Method: Automatic VPN Routes: Use this connection only for resources on its ...
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10 views

Pptp Vpn: buffering packet .. (expecting .., lost or reordered)

System log is full of such messages. AFAIK this can be related to MTU size. ppp0 negotiates a MTU of 1396 with the ISP. I've tried so far: ip link set dev .. mtu 1396 iptables -A FORWARD -i ...
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1answer
61 views

pfsense PPTP VPN can access LAN but not internet

I am running pfsense at home and I want to set up a PPTP vpn (yes I know its not secure, lets ignore that) My current pfsense setup: LAN: 192.168.1.1 (/24) WAN PPPoE (real world IP lets say ...
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61 views

Require smart cards for connections to Windows 2012 remote access server

We have a Windows 2012 server accepting VPN connections over SSTP and authenticating them using the Network Policy Server feature on the same server. For client authentication we've set it up to ...
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1answer
28 views

Solution for SSL client certificates with user self service

I'm administrating a linux-based small business network. User information is centrally stored in an OpenLDAP directory. There is an existing CA which is currently used to sign server certificates. It ...
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19 views

cisco VPNC + how to use install certificate file on linux

I am using Cisco VPN on windows , before I run the cisco vpn I execute the certificate file as customor.cer ( when I execute the certificate file need to answer on some next screens and finish ) , and ...
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1answer
38 views

PPTPD not working on virtual machine running Kali Linux

I need to capture non-http traffic from my iPhone. Using a proxy will only capture port :80 and :443 traffic which will not work for me as the traffic I am trying to capture is not from either of ...
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1answer
63 views

VPN Access to a Synology NAS Behind a Firewall

I have a box that I want access to from outside the office (Synology NAS). I don't need access to the rest of the subnet, just that box. For the moment it's to use a git repo, but some day maybe file ...
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1answer
49 views

How to run “Securepoint VPN client” as a “Microsoft Windows (WIN)” service?

PROBLEM For some reason the original OpenVPN software under Windows does not work for me. So I found an alternative from Securepoint that works for the first time. Unfortunately it does not have ...
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21 views

task cannot be completed because of VPN 809 error

The setup: Windows server 2008 R2; L2TP VPN connection is configured; ports for L2TP are opened on the firewall. To (re)connect the vpn connection the task manager gets utilized. I've created a ...
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20 views

PPPD timeout delete the default route

If i have a connection timeout on the PPPD Client the default route will disappear. IP Routing Table (add route dev ppp0) Destination Gateway Genmask Flags Metric Ref Use ...
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13 views

How to keep checkpoint secure remote connected on server 2008 R2

Is there a way to keep my Checkpoint Secure remote version E80.41 from disconnecting on server 2008? I need this VPN connection to be connected all of the time, because this basically is how we ...
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16 views

Can't access internet when connect to pptp vnc build on opensuse13.1

I have built a pptpd vnc server under opensuse13.1, everything looks fine when I running the pptp service. but there is problems when I connect from both android & winxp client: by winxp At ...
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27 views

VPN without public IP of the server

I've a VPN on Windows Server 2012 R2 to secure some intern admin interfaces for a small crowd of people. It's working but when I'm connected to the VPN, it is used for all internet traffic. So when I ...
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82 views

Multiple Windows clients behind a same NAT gateway cannot connect to L2TP/IPsec VPN server at the same time

I have set up a L2TP/IPsec VPN server on a cloud VM (with a public IP address) running CentOS 6.5 (kernel: 2.6.32) with openswan/xl2tpd (openswan: 2.6.37, xl2tpd: 1.3.6). However, if multiple Windows ...
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29 views

Dante - Socks Server - Not Working over Tun0 Interface

I'm trying to set up a socks proxy, so I can bind a port to my vpn interface. However, I cant' seem to get it to work and I'm not sure why. I don't have much experience with this.. Config: ...
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27 views

translation IP via VPN

I want to connect several LANs located on remote buildings The central site is a server running OpenVPN Each remote site also run OpenVpn in Client mode. The central site has only one public IP ...
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2answers
87 views

Gateway gets stripped from DHCP Reply through OpenVPN tunnel

I have a bridged OpenVPN setup. This is my server config: port 1194 proto udp dev tap0 ca /etc/openvpn/easy-rsa/keys/ca.crt cert /etc/openvpn/easy-rsa/keys/server.crt key ...
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135 views

IPSec VPN Shrew to Fortigate

I'm trying to configure an IPSec VPN on a Fortigate 80C and connect to it using Shrew Soft VPN. I'm stuck with a negotiation failure, even though debugging on the Fortigate unit shows the same values ...
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41 views

Can only ping certain IP's over VPN

I have 2 Draytek Vigor 2830's set up with a IPSec VPN between the two which is working. Yet I can only ping the router in HQ (10.0.0.9) & the IPCortex (10.0.0.2), the outline below might help. ...
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31 views

SQL DATABASE USING VPN

I have a very simple classic asp site on a Windows 2008 Server with an IIS 7.5 that connects to an Sql database on a Sql 2008 r2. the site works perfectly when accessing it both locally from the ...
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1answer
74 views

My server goes offline when I start my OpenVPN service

I currently have a VPS with DigitalOcean and setup a OpenVPN following this tutorial: https://www.digitalocean.com/community/tutorials/how-to-setup-and-configure-an-openvpn-server-on-centos-6 and ...
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26 views

cisco vpnc + how to disable the IPSec ID and IPSec secret

I use the vpnc in order to open vpn connection against the customer in the following example I run the vpnc and get error about "hybrid" so according to some site they suggest to remark the line ...
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1answer
19 views

Setting up a VPN with rules who can connect with who

For delivering updates and support on software I've been working on I have been thinking about setting up a VPN server. The idea would be that the clients are constantly connected but only the traffic ...