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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1answer
57 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
35 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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0answers
23 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 ...
0
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1answer
65 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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0answers
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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0answers
39 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 ...
10
votes
1answer
217 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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0answers
54 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 ...
1
vote
1answer
30 views

Cannot view folders on client with VPN to 2008 server

Recently installed server 2008 as part of our upgrade from 2003 and managed to resolve most problems but left with the last one which is that I cannot view folders or files on 2008 server from client ...
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vote
5answers
79 views

What software can I use to create a private network between Windows Server 2012 boxes regardless of physical location?

I have several Windows Server 2012 dedicated servers with static ip addresses. I am wondering if it's possible to create a secure private network for these machines using software only. The machines ...
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0answers
15 views

How to set up an VPN Server which directs a connected users browser requests to one specific domain to another IP address?

I'm about to create a testing environment for my clients, which have to access certain web addresses. What I want to achieve is the following: - A client connects to the VPN server - He opens a ...
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0answers
22 views

L2TP Client Routing

I've setup a VPN Terminator in our DMZ using Windows 2012 R2. It is multi-homed with 2 interfaces: 1 to the DMZ for incoming connections from VPN clients, 1 to our LAN for the tunnelled traffic from ...
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0answers
58 views

Configuring SoftEther on VM with two virtual ethernet card

I am very novice in networking and I just have basic knowledge. I have scenario that I'd like implement. I have a VMWare Windows 7 VM with two network interfaces. One shares the host's network using ...
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0answers
66 views

Site to site active directory for hyperv replication

We have two dedicated servers across two different sites. They host hyper v virtual machines for email hosting etc. I'd like to have hyper v do replication between them and so I have a copy elsewhere, ...
1
vote
1answer
30 views

Configuring VOIP server without SIP

So I want to create a VOIP server with that I can connect with OpenVPN so I can call only a number of people that are in my network. I'll be using CSIPSIMPLE for that purpose. I'll be using only ...
1
vote
1answer
86 views

Draytek SSL VPN connection incorrect subnet mask and gateway

I have remote machine connecting to our office lan through a draytek 2930 router in our office with a fixed IP (FW3.3.0). I have set it up to use SSL VPN with Draytek smartvpn client software on the ...
5
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2answers
269 views

How to correctly configure DNS usage in Ubuntu? Authoritative answers without RA flag are ignored

I have latest clean Ubuntu 14.04.1 64-bit from official website installed in Virtualbox. I connect to a VPN network using vpnc that sets 2 DNS servers using DHCP: user@virtual:~$ cat /etc/resolv.conf ...
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1answer
119 views

Windows 8.1 VPN error 800 when connecting to Mikrotik VPN router

After creating a new VPN connection on a Windows 8.1 machine, to a VPN server (using Mikrotik router), the connection times out and an error no 800 is displayed.
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0answers
33 views

Printer on OS X not printing across VPN subnets

I have an interesting situation where I have a two servers that connect two subnets via a VPN. One side is 192.168.0.0/24 and the other is 192.168.1.0/24. Communications appear to be working okay. I ...
0
votes
1answer
24 views

Can OpenVPN routes be stored in a database?

I'm trying to develop a simple custom intranet web-based tool to manage OpenVPN routes so that they can be added and removed without having to edit the config file. Is there any way to make OpenVPN ...
0
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0answers
14 views

OpenVPN and adding .p12 cert

Is there a way to add the .p12 type of cert to the openvpn config file? I've read and learned how to add the other files like so: <ca> -----BEGIN CERTIFICATE----- # insert base64 blob from ...
1
vote
1answer
46 views

TightVNC over VPN encrypted? [closed]

I'm using tightvnc to connect to my servers over a IPSEC VPN connection with split tunneling enabled. Is my communication with my servers via VNC encrypted or unencrypted?
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0answers
56 views

Cisco 887 router as an IKEv2 VPN server?

A follow up to this question. The scenario is exactly the same, but I replaced my 877 router with a 887VA running IOS 15.4. The VPN server configuration works exactly like before, and I can ...
0
votes
1answer
70 views

Route all traffic through VPN

So I have one VPS (based on openvz) with VPN (openvpn) up and running. I'm connecting to this setup with laptop (archlinux) and everything seems to be working. Let's say that vps's ip is 192.0.2.4. I ...
0
votes
1answer
55 views

How to use a VPN Client inside Azure VM and Keep Remote Desktop Connection available?

I have a virtual network in Azure using point-to-site connection. I connect to it using Azure VPN normally and access my VMs through remote desktop normally as well. The problem is, I want to run a ...
0
votes
1answer
42 views

VPN from home to office to AWS

I have a remote access VPN set up so developers can access our internal network. I also have an IPSec VPN setup so the personnel that are physically at the office can access the AWS servers. What I ...
0
votes
1answer
73 views

OpenVPN Access Server connects and can browse all other ports than port HTTP and HTTPS

Hello dear Serverfault experts, I have a very frustrating issue with my recently installed OpenVPN Access Server ...
0
votes
1answer
53 views

How to have a Open VZ VPS running a PPTP VPN, run without having PUTTY open?

I just set up a VPN on my VPS server. It works great, except that once I close PUTTY, the VPN is shut down. I tried to use screen, but I don't know how to get that working with the VPN. What can I do ...
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votes
2answers
62 views

How can I manage remote site printers?

Please bear with me, my server and networking knowledge is not amazing. The company that I work for has a central 'Head Office'. This is where our server room is located. We have a bunch of Windows ...
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votes
0answers
25 views

Openswan not updating the routing table

I have problems to find solution about this. I have Openswan and ASA configure IPSec VPN tunnel and the connections is established and working but with some little problems. The topology is looking ...
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votes
1answer
131 views

openconnect VPN works in KDE NetworkManager widget but not on command line

I need to connect to a Cisco VPN on Linux and at first I did this using the KDE NetworkManager plasma widget thingy. That worked fine and I'm able to connect to the VPN if I choose it from the Network ...
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0answers
21 views

Secondary floating IP on TUN/TAP interface

I'm currently working on a HA Cluster implemented using Corosync 2 and Pacemaker and I've run into a network limitation beyond my control that prevents me from implementing floating virtual IPs. Now ...
0
votes
1answer
16 views

configure juniper SSL VPN on seperate server for users

we have some client servers in USA and users in our LAN connect these servers using juniper SSL vpn client provided by the client. Now the issue is, numbers of users are increasing here and its been ...
0
votes
1answer
41 views

Is it Possible to VPN onto the entire local network through Windows 2012 R2?

I currently have a windows 7 client set up to VPN into a Windows 2012 R2 server but it has it own ip network addresses between the client/server. eg. the Server has internal network ip of 192.168.1.11 ...
0
votes
1answer
127 views

Can't Access Network Drives through VPN

My issue is that when I'm outside the office I can't access any of my network drives. I can't UNC to them, through the FQDN or IP address. For example, domain.local\folder, or 172.26.6.2\d$. ...
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votes
1answer
51 views

How do I write a SRV record for PPTP? [closed]

Hosting a PPTP VPN server on a subdomain, how do I enable the service on the domain with a SRV DNS record? I've already tried: _pptp._tcp.domain.top. 86400 IN SRV 10 10 1723 sub.domain.top. though ...
1
vote
1answer
180 views

Is it possible to configure a reverse VPN tunnel?

Basically, my goal is to have a 100% portable and independent server. I'm building it using a Raspberry Pi powered by solar panels and batteries, and it is to be connected to the internet using a 4g ...
0
votes
1answer
268 views

Softether vpn ufw firewall config - is it correct?

I've correctly installed and configured Softether on my Ubuntu 14 x64 VPS in local bridge mode with a virtual TAP interface. What I have now is a fully functioning L2TP/IPSEC server with two network ...
1
vote
1answer
126 views

Why I can't ping server on remote network from AWS through VPN

I've created a VPC in Amazon and created a number of subnets - both public and private. 1 of these subnets is a private subnet that has a linux server in it. I've created a virtual private gateway for ...
1
vote
0answers
40 views

Configure the Routing and Remote Access Server for DirectAccess

I have 2 Windows Serer 2012 R2 DC machines. I am currently on my main which runs AD and has GUI. Number 2 is just server core and I want to setup Direct Access. However, I get this error when trying ...
0
votes
0answers
101 views

IPSEC VPN with same remote peer IP - Only 1 remote connection at a time

I am using a Mikrotik router to connect multiple road warriors (Avaya phones) with IPSEC VPN behind the same WAN address. The first phone connects fine, when the second phone connects the first phone ...
0
votes
0answers
40 views

softether VPN access list not working

I installed softether as VPN server on UBUNTU 12.4. nOW I add anonymous user for special range of ips. as you see blow i created a user named 'all' : and i created an access list to deny access ...
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votes
2answers
56 views

How to use same static IP from anywhere [closed]

Not sure if this belongs here or is a dumb question so feel free to kindly tell me to get out of here(I'm New to all of this). So I need to be able to have SSH access to a server for pulling down ...
0
votes
0answers
161 views

OpenVPN --route-up Missing environment variables when passing to script

I'm diving into the glory of OpenVPN and I'm having a bit of trouble manually configuring the routing tables. I'm on Arch Linux. I know OpenVPN automatically updates the routing tables when ...
2
votes
1answer
43 views

Is there a better way than VPN tunnels to access local tools in remote DCs?

I have created a fancy interface which pretends to be an unified interface to access to different local tools located inside different datacenters. These tools are not accesible from the outside. To ...
1
vote
1answer
87 views

Set-AzureVNetGatewayKey cmdlet does not exist in Azure PowerShell

Background I am attempting to link up multiple VNets with one another in Azure. To do this I am following this tutorial: VNet-to-VNet: Connecting Virtual Networks in Azure across Different Regions I ...
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0answers
49 views

private network IPs (of a VPN) in public DNS

I have a public DNS server responsible for my domain local.example.com. Some ISPs always deliver the private IP, some do NOT at all, but most of them answer the correct IP to a DNS request after 5 to ...
2
votes
2answers
87 views

TCP under OpenVPN is very slow (tsg attached)

I have a very weird problem with OpenVPN. Most VPNs work fine, except this one. Here I get very low performance from TCP connections, but the CPU load is low (so, not a CPU issue). OpenVPN is ...
0
votes
1answer
48 views

Same routes under VPN - how to workaround?

I only have basic experience with VPNs (mostly OpenVPN) and mostly theoric, but now I want to set up something more complex and I am evaluating the possible issues that I may face. I will try to ...