Tagged Questions

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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4
votes
2answers
404 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 ...
0
votes
0answers
48 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 ...
3
votes
0answers
261 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]: ...
0
votes
0answers
79 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 ...
0
votes
1answer
369 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 ...
0
votes
0answers
131 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. ...
1
vote
2answers
1k 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 ...
0
votes
1answer
74 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 ...
0
votes
0answers
71 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 ...
0
votes
1answer
1k 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 ...
0
votes
0answers
105 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 ...
0
votes
1answer
43 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 ...
0
votes
0answers
78 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 ...
-1
votes
1answer
163 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 ...
0
votes
1answer
437 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 ...
0
votes
1answer
180 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 ...
0
votes
0answers
41 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 ...
0
votes
0answers
35 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 ...
0
votes
0answers
71 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 ...
0
votes
0answers
56 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 ...
0
votes
0answers
298 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 ...
0
votes
0answers
108 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: ...
0
votes
2answers
412 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 ...
0
votes
2answers
615 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 ...
0
votes
0answers
104 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. ...
0
votes
0answers
53 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 ...
0
votes
1answer
343 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 ...
1
vote
0answers
120 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 ...
0
votes
1answer
20 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 ...
-1
votes
2answers
71 views

Should our small business pay for a VPN service or can we do it ourselves?

I am currently working for a small business (we have 5 employees at the moment) and are looking to set up a VPN. I was wondering if it would be extremely difficult to set up a VPN ourselves and to ...
0
votes
1answer
55 views

VPN routed traffic, response goes outside of VPN?

Here's a weird one. Whenever I'm on a hotel network I tend to like to route all my traffic through my home network. Mainly since I'm not entirely sure all my passwords go through SSL all the time. ...
0
votes
0answers
118 views

openVPN on TCP 443 + sniproxy only for certain IPs - is it a way to do it?

I'm currently running sniproxy and https server. If user is known (IP is known) iptables just allows connection to sniproxy which redirects user to desired website or local https server (127.0.0.1 ...
0
votes
0answers
40 views

ISA Server 2006: no network protocols were successfully negotiated

I've upgraded one old and reliable ISA Server 2004 to 2006 (running on WS2003R2, nothing else runs on that server), it is an edge firewall and VPN provider. Later this year, it will be replaced by ...
0
votes
0answers
25 views

Weird tty behavior

When connecting to a group of servers in office, I sometimes get the following weird behavior: For any character I type, the previous character that was typed is displayed. So if I type "Hello" I ...
1
vote
2answers
202 views

Lync 2013 VPN access

I have a working, internal use only Lync 2013 Enterprise FE pool. Is an Edge server required to expand access to VPN users (no split tunnel, and with double encryption of course), or would a ...
0
votes
0answers
905 views

Cannot connect to IPSEC/L2TP VPN Arch Linux/Windows 8

I have check a lot of other L2TP/IPsec VPN post and none of them seem to quite match the issues I am having so here is what going on. I am trying to set up a VPN on my Arch Linux server that I can ...
0
votes
0answers
85 views

Sonicwall Connecting to VPN: failed to find connection entry for message id xxxxxxxx

I am trying to connect to a VPN using SonicWall but after authentication, I am getting "failed to find connection entry for message id xxxxxxxx". Any ideas? Note : I am not getting this error each ...
0
votes
0answers
37 views

Amazon VPN connection

I am using a netgear FVS336GV2 firewall and I have a comcast business router in front of it. After numerous phone calls with amazon support I have not been able to establish a vpn connection. I am ...
0
votes
1answer
132 views

WatchGuard XTM510, Dialed in VPN (PPTP) users cant Ping hosted datacentre machine on BOVPN

we have a BOVPN from our network 192.168.1.0/24 range to some hosted environments at a datacentre. 172.15.0.1/20 any machine on our internal network ranges can communicate with the systems at the ...
0
votes
0answers
160 views

OpenVPN Linux Client does not bring up tap0 interface

I have an OpenVPN client on Linux connecting to an OpenVPN server. The server assigns IPs via DHCP, thus I connect using the tap interface rather than the tun interface. OpenVPN connects, ...
0
votes
1answer
358 views

Openswan and OpenVPN

I have installed Openswan and have configured IPSec tunnels and they work perfect until i install OpenVPN. Now i can't find out way the ping wont work. When i execute the "service ipsec status" it ...
4
votes
2answers
301 views

TCP connection through IPSec (Linux/Strongswan) stalls after exceeding PMTU

The backups (via Bacula) of one of my servers (“A”) connected via IPSec (Strongswan on Debian testing) to a storage daemon (“B”) don't finish 95% of the times they run. What apparently happens, is: ...
1
vote
1answer
38 views

Can I use --duplicate-cn option for a specific VPN account instead of using at server level?

If I use --duplicate-cn I am seeing it taking effect over all the accounts of my server. I want to make it per client basis, so that I can give this option only to select accounts. Is it possible?
0
votes
0answers
40 views

Accelerating OpenVPN using multiple connections

My ISP throttles single connection downloads, but if I use an accelerator like aria2c and open lets say, 20 connections, my download speed shoots through the roof. I have been able to saturate my ...
0
votes
0answers
122 views

Openvpn server behind NAT router with PPTP connection to service provider

I have Zyxel router connected to service provider using PPTP. Behind the router there is a Ubuntu box with OpenVPN server. I would like to forward a port for OpenVPN server to access it from internet. ...
0
votes
1answer
22 views

VPN Connection pooling?

I'm having a problem on PFSense https://forum.pfsense.org/index.php?topic=23914.0 where I can only connect one client with a PPTP VPN to a VPN Server outside out network. PFsense is our firewall and ...
1
vote
1answer
447 views

Setting up PPTP VPN server, cannot access remote hosts

I'm attempting to set up a VPN server on an industrial ProRoute M2M 4G router. My goal is for a client to be able to log in on the VPN and be able to "locally" hosts that are on the router's LAN. My ...
1
vote
1answer
101 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 ...
0
votes
1answer
54 views

VPN and router pass-through

I have been having trouble with VPN on my router, so I thought that since it allowed VPN Pass-through, I would set up a VPN server on an Ubuntu box here, and pass through to that. I have set up PPTP, ...
-3
votes
1answer
99 views

VPN route on Windows [closed]

I'm trying to manually add a route to the VPN connection. The reason is that when i connect to the VPN, i can't navigate the internet. I've tried to uncheck the "Use default gateway on remote network" ...