Virtual Private Network

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5
votes
1answer
273 views

How can I make the eth1 up and always available for remote access, where eth0 will be used for host to host IPSec VPN?

I am running Amazon EC2 instance with Red hat enterprise linux, where I have two network interface. Now: eth0 is currently active having public ip where I am remotely logged in via SSH, to ...
1
vote
1answer
96 views

VPN that gives me an internal IP and allows me to reach the internal network from outside

Using Red hat linux/CentOS. Where I have 1 Public IP, that is accessible remotely via SSH. Now that server needs to connect one VPN Server so that VPN server can give one IP to our Server. Now from ...
3
votes
1answer
164 views

List all DNS Servers, including those pushed by VPN

I want to know which DNS servers are in effect when I run commands like nslookup, dig, host, ping, etc. The general answer is to cat /etc/resolv.conf, or to look at NetworkManager, but that's only ...
0
votes
0answers
236 views

Frequent disconnections in OpenVPN

I'm suffering random disconnections with OpenVPN. I don't know much about the subject, maybe you can point me in the right direction? Here is the tail for /var/log/messages, it contains a <warn> ...
0
votes
0answers
13 views

pptpd to tunnel internet but some sites don't work [duplicate]

I used a pptp link to tunnel internet (server is Debian/Raspberry Pi, client is Windows 7). I can connect to the server. As a test, I visit a site that returns my IP and I see the IP of the server on ...
2
votes
1answer
36 views

Viewing hostnames in network

Is there Linux command equal to Net View in Windows, that shows hostnames in your network? I am in a VPN network and want to see computer names in my network.
0
votes
1answer
802 views

can't ssh into remote host with root, password incorrect

I have a remote host, previously I can ssh into it with root and password ssh root@remote_host or I ssh into it first using a regular user account ssh esolve@remote_host and then su root and ...
4
votes
2answers
138 views

Is it possible to set-up a VPN in such a way that I disconnect from the Internet if it goes down?

How can I set-up a VPN so I loose connection to the Internet if it goes down? I use Ubuntu and have used the network-dialog to use a VPN; but if the VPN goes down, it just switches to the non-VPN ...
2
votes
1answer
49 views

How can I be notified about state changes to a VPN adapter

On Ubuntu 12.04 - actually Kubuntu, but I am using NetworkManager, so the configuration should be the same - I have configured a few VPN connections. Now, if I have a long-running up- or download, ...
0
votes
0answers
51 views

Transfer speeds through PPTPD VPN are throttled

In an effort to improve my understanding of Linux, I decided to setup a VPN for myself to route my internet traffic through. After about 8 hours, I finally had a Debian Squeeze VPS setup with pptpd ...
2
votes
0answers
191 views

Hub and Spoke is not working

I have configured Hub and Spoke using openswan ipsec. Tunnel is immediately getting UP but the problem is: Spoke1 can ping/access HUB's LAN and vice-versa (S1 -- HUB && HUB -- S1) Spoke2 can ...
2
votes
1answer
340 views

Route only ssh traffic through VPN

Is it possible to route a computer's SSH service through a VPN connection but allow ALL other data to exit through the WAN address? What sort of iptables magic needs to be done to accomplish this? ...
4
votes
3answers
496 views

ssh will sporadically hang temporarily on fast connection

I am using Ubuntu 13.04 on my laptop, connected to my router at home. When working from home, I will ssh into the servers on campus, through a vpn, with X11 forwarding. ssh -X ...
2
votes
0answers
191 views

How to bind ppp0 interface (PPTP VPN) as 'external' in proxy server?

I'm trying to bind ppp0 interface (PPTP VPN) as 'external' interface in proxy server (Tinyproxy). Unfortunately it does not work. Using route add -net default gw 10.9.0.1 I can make all the traffic ...
1
vote
1answer
544 views

VPN, one server, multiple clients

I wanted to know if it was possible to have a server running OpenVPN with server key and have multiple clients connect to it? I would like the server to be 10.9.8.1, the first client to be 10.9.8.2 ...
1
vote
1answer
1k views

Iptables forward with pptp and openvpn

I have OpenVPN and PPTP installed on a VPS. I'm having a few questions that I can't seem to get a firm answer on. I want to install OpenVPN on 1.1.1.1 (eth0, public IP address) and PPTP on 1.1.1.2 ...
1
vote
0answers
289 views

Problem connecting to L2TP VPN

I installed l2tp-ipsec-vpn‍‍ from ppa:werner-jaeger/ppa-werner-vpn. Yesterday I was able to connect to my L2TP vpn account successfully. But after restart i'm getting this on syslog: Mar 07 ...
1
vote
0answers
1k views

Openswan established NATed tunnel but, I can't ping remote end's lan PC

I am establishing site to site tunnel. 192.168.2.0/24===10.103.6.40<10.103.6.40>---10.103.6.1...10.103.6.29<10.103.6.29>===192.168.1.0/24; Local ip: 10.103.6.40 Local lan: ...
0
votes
0answers
163 views

pptp differs between 3.7 and 3.8 linux kernel milestone with 3.2.0-4 milestone

Unfortunately, current kernel of debian has problem with my hardware: 3.2.0-4-686-pae , and when i compile one of 3.7.x milestone or 3.8.1 itself , my problem is solved. But my problem with new ...
3
votes
1answer
250 views

Incoming/Outgoing seperation for VPN

My situation is that I want all my outgoing connections from my Debian server to pass through a commercial VPN service I've subscribed to, but I still want to run public-accessible services on this ...
4
votes
4answers
6k views

How to set up an SSTP Server

Is there a way to set up a linux based, preferably ubuntu, SSTP server? I know there is a SSTP client available on sourceforge, but I can't find a server. To be clear: I do NOT want openVPN, I want ...
1
vote
1answer
1k views

Only routing certain traffic through VPN

I have a central development server, running a VPN server, and a couple clients that need to connect to it. The server is running Apache, but is only accepting local requests (only listening on ...
1
vote
1answer
85 views

Should a VPN have access to all networks from and on all clients?

I have an OpenVPN server and many clients connecting. The VPN settings include port 443 dev tun proto tcp When I add clients to my VPN I have to use apaches proxypass in order to access resources ...
1
vote
1answer
2k views

Ensure torrent client uses openvpn

I recently signed up to a VPN provider and to log in, I use network manager for my normal wireless connection and then start the openvpn connection from network manager. In my browser I can check ...
1
vote
0answers
654 views

OpenVPN dropping connection every time interval

I have setup OpenVPN. The server is a router running DD-WRT with OpenVPN setup. The client is Ubuntu 12.04. The connection is established without issues. I can ping clients at the VPN side. The ...
2
votes
1answer
3k views

Installing vpnc on CentOS

I'm currently attempting to establish a vpn connection, but I am unable to install a vpn client. I assumed installation would be as simple as sudo yum install vpnc, but CentOS is unable to find the ...
2
votes
2answers
127 views

Change routes for VPN

I need to use for some things a cisco VPN connection, but I don't want to route all my trafic over the VPN but only that traffic, that is send to a specific network. How does a script look like, that ...
1
vote
2answers
476 views

Tunnelling VPN through SSH mac

I have a pptp VPN server set up on my Raspberry Pi at home, and it works really well, except when I'm stuck behind my college's firewall. I can SSH into it through commonly open firewall ports (443, ...
8
votes
2answers
3k views

Openswan connecting to multiple right subnets not working

I'm trying to use Openswan (version 2.6.37) to connect an IPsec VPN from my local network to a remote site. Everything works fine when I just want to connect to a single subnet on the remote site. ...
0
votes
1answer
132 views

relaying ports to remote pc via vpn

I've got a situation where a remote pcs is vpn'ed to my Ubuntu box, and I'm wondering how I set the Ubuntu box up to redirect calls to specific ports over to the PC. Any Ideas?
2
votes
1answer
202 views

PPTP server with NIC aliases

I have set up a VPN on a VPS Server using PPTP. I have one NIC with two aliases. eth0 eth0:1 eth0:2 The 3 interfaces have public addresses. eth0 is a French IP, eth0:1 is UK, and eth0:2 is ...
-1
votes
1answer
1k views

What is the security impact of not using tls-remote with OpenVPN

Is it a security issue not using the tls-remote option in OpenVPN? That is not verifying the server's common name. Is a MITM attack possible? Could this be an issue, especially with services like ...
5
votes
3answers
2k views

How to access a machine behind a restricted NAT gateway I don't manage?

I have a linux machine that I'd like to be able to access remotely for SSH, FTP, HTTP, and so forth. I signed up for Dynamic DNS with No-IP.com, but this isn't adequate because I am on a college ...
3
votes
2answers
5k views

Port forward to VPN Client?

I've run into a bit of a puzzle and haven't had much luck finding a solution. Right now I am (sadly) connected to the net via Verizon 3G. They filter all incoming traffic so it is impossible for me to ...
0
votes
1answer
440 views

How to setup SVN over VPN?

I'm looking on how to implement a SVN connection over a VPN on my CentOs server. I need to see up this VPN to work with the team in the office from outside. required packages ( yum ... ) ...
1
vote
2answers
786 views

Change default DNS on openvpn connect

I am using Network Manager on Ubuntu 12.10 to connect to an openvpn server. The connection works without problems. However, when I connect, I would like to change my default DNS server to a server ...
2
votes
1answer
705 views

Cannot load tun module

I cannot manage to load the tun module in my archlinux box. I'm trying to connect with openvpn, but the log says nm-openvpn[6662]: Note: Cannot open TUN/TAP dev /dev/net/tun: No such device ...
3
votes
0answers
245 views

Connect to a VPN from a Linux Virtual Machine

I am running an Ubuntu distro inside a VMWare virtual machine with a bridged connection on a Windows 7 host. What I am trying to do is to have the virtual machine connect to a VPN, but I'm not having ...
2
votes
0answers
224 views

How to start racoon VPN IKE negotiation automatically?

I have configured racoon at two ends (with pre-shared keys) and trying to establish tunnel. But I have to initiate traffic to start IKE negotiation. Is there any alternative to establishing the ...
2
votes
1answer
168 views

How do I ensure outbound TCP/IP traffic always uses a VPN, even when using Wifi?

I'd like to ensure that my VPN is started and running, before any TCP traffic from any of my background services send or receive data. How can I guarantee that this is the case? How do I handle ...
1
vote
2answers
128 views

Encrypt IP payload + URL

I need to encrypt IP payload + request URL so that my ISP can't understand my requests. Do you know any project such as zebedee except VPNs? Tor doesn't work with my ISP, because SSL was banned, so ...
2
votes
0answers
655 views

Smallest linux distribution for PPTP VPN server (poptop)?

I want to run Poptop, an Open Source PPTP Server for Linux. I need the smallest possible GNU/Linux distribution which I can install in VMware Workstation 8 and which will be able to support this ...
2
votes
1answer
631 views

Setup PPTP VPN connection with no GUI [closed]

I want to configure a remote linux (Ubuntu Precise) to use a PPTP VPN. I can only access to it using ssh, so I don't have a graphical interface (neither do I want it). Some hours googling: Guides ...
4
votes
2answers
1k views

What is resolv.conf and why VPN client's hack it?

As stated in a previous question I want to connect to 2 VPN servers at the same time and for each connection specify the IPs of computers I want to reach with it. One of this VPN connection is done ...
0
votes
2answers
945 views

Is it possible to run two VPN clients at the same time?

I would like to run two VPN clients at the same time: one Cisco client and one VPNC client. For now I have my VPNC client configured to route only some known IPs to the VNC interface and would like to ...
1
vote
1answer
773 views

PPTP ping client to client error

I installed pptp server on a centos 6 64bit server PPTP Server ip : 55.66.77.10 PPTP Local ip : 10.0.0.1 Client1 IP : 10.0.0.60 centos 5 64bit Client2 IP : 10.0.0.61 centos5 64bit PPTP Server ...
3
votes
1answer
557 views

Route VPN Through Proxy

I'm on a network which requires out-going traffic to pass through an http proxy. I would like to connect to my remote VPN through the proxy, but am not sure how to do this. Any thoughts? I am ...
6
votes
1answer
486 views

Load Balancer Solution with linux

I need a suggestion to realize a proper solution to this problem: As you can see in the image above, I have 2 application servers that need to talk with and external third party provider over the ...
4
votes
2answers
541 views

Can't SSH via password to a Remote Server

I've successfully VPNed to my University server on a Fedora 17 Linux terminal. $ sudo openconnect -u UNIVERSITY_USERNAMEID sslvpn.nameofuniversity.edu [sudo] password for PCUSERNAME: Attempting to ...
1
vote
0answers
380 views

Which of VPN or IPSec or xxx can I use here?

I'm renting a dedicated server which has a fixed / static IP and I'm using this server / IP for my business. I'm hosting a webapp / webappserver on it (Apache + Tomcat) and I've also set it up as a ...