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Questions tagged [openvpn]

OpenVPN is a free and open source software SSL VPN solution. It allows secure point-to-point or site-to-site connections with routed or bridged configurations and remote access facilities.

OpenVPN is a free and open source software SSL VPN solution. It allows secure point-to-point or site-to-site connections with routed or bridged configurations and remote access facilities.

1907 questions
16
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4 answers

List which VPN clients are connected

Situation: I have a private VPN server at home which is open to the internet so that a certain group of people can connect to it (only keypair authentication is allowed). How can I see which clients are currently connected to my VPN server? I…
MrD
  • 305
10
votes
8 answers

OpenVPN - can connect but can't ping or access the server

I have a problem with openvpn. I have Ubuntu server and Windows client. The configuration file on server looks like: dev tun proto udp port 1194 ca /etc/openvpn/easy-rsa/keys/ca.crt cert /etc/openvpn/easy-rsa/keys/server.crt key…
martin.malek
  • 221
6
votes
1 answer

Access a subnet behind an openvpn server

I have an Ubuntu OpenVPN server set up. Everything works just fine, VPN clients can successfully connect to the VPN server. Challenge is that I cannot connect to the computers behind the VPN server tcp dump on tun0 root@gtway-sr-s:~# tcpdump -i…
chico ahmad
  • 79
6
votes
3 answers

openvpn connected, but not routing. (ping test fails)

I am setting up a VPN connection for the first time. I am working on a project in which i would like to access my LAN at my home from the outside world. So, I installed OpenVPN2.2.2 on my 32-bit Windows 7 laptop (acting as the server). My end goal…
user4252523
  • 81
4
votes
1 answer

OpenVPN connects but IP doesn't change

I setup an OpenVPN server on a personal AWS EC2 instance, and am trying to connect to it from an Ubuntu 14.04 client. (I had to update the server for minimum version of TLS 1.0 to get the handshake to work) Now, when I type sudo openvpn --config…
draca
  • 295
4
votes
1 answer

Error: Invalid prefix for given prefix length

I have a OpenVPN server on a Netgear Wireless router setup (192.168.8.1). The Netgear router is setup behind another router (192.168.7.1) that connected to internet. I've added a port forward rule to the router that is facing internet. It forwards…
g3blv
  • 279
4
votes
2 answers

DNS fails when 'Use this connection only for resources on its network' is checked

It seems I can only have DNS or Routing working. Not both. I imported my client's ovpn file and when I connect (with the defaults) I can access resources behind their firewall, their DNS servers take over, and all is good. Only problem: I can't…
Chris Pfohl
  • 213
3
votes
5 answers

OpenVPN Client Connect 2.5 (Windows) Profile Location

It seems OpenVPN changed or removed the file location for storage of the profiles. I've searched through the docs, changelog, and a client PC for the folder location but cannot find it for the life if me! Where are profiles being stored now?
addohm
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1 answer

When using OpenVPN, TAP-Windows Adapter V9 says its unplugged after a few months

After a few months of using OpenVPN inside a Windows virtual machine, the TAP adapter stops working and says it's unplugged. I have no idea how to fix this. Seems like something needs to be cleared or reset? I don't know if its something on the…
Chris Dutrow
  • 410
3
votes
2 answers

OpenVPN windows client remove (cached?) effect of config files (*.opvn)

I have an OpenVPN client working on a Windows 7 machine. It works because of some config files (*.ovpn, *.crt, *.key, and *.conf). Now for troubleshooting purposes I want to test with another set of config files. So I saved away the original…
leeyuiwah
  • 803
2
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0 answers

OpenVPN Access Server hangs after a while

We have an OpenVPN Access Server (OpenVPN AS) installed on one of our bare metal servers. The service runs fine, but after a while—indefinitely, maybe hours, maybe a day—it just hangs. The process is still there, but connection can’t be estabished,…
An Phan
  • 121
2
votes
1 answer

Openvpn script on (re)connect?

Openvpn can execute a script upon connection using the --up parameter. However this does not seem to work at reconnecting, i.e. when a connection is lost and openvpn automatically reconnects. Is this normal behaviour and is there a way to execute…
fdafgfdgfagfdagfdagfdagfdagfda
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1 answer

Can I get a list of connected clients on openvpn (like "hamachi list"?)

I'm getting openvpn going between a server and a few clients. I've got them connecting, but I'm not sure how I'm supposed to find out what the remote IP's are. Back when I used Hamachi, I could just say: hamachi list but now, the only thing I can…
Jemenake
  • 241
2
votes
1 answer

Openvpn - TCP or UDP when

Here is the scenario: A) Desktop openvpn client Thailand B) OpenVPN Server in Singapore C) HTTP Server in London RTT Latency from A to B is 50ms RTT Latency from B to C is 220ms. Packet loss (via iperf) on 5mbit between A and B is 2% Packet loss on…
Mâtt Frëëman
  • 559
2
votes
1 answer

Prevent machines connected to the same OpenVPN server from communicating with each other

This, rather than a question, is a request to confirm how an OpenVPN server works. I have an OpenVPN server to which I will connect desktop computers and mobile devices of different users. For security reasons, all the machines must be able to…
Francesco Galgani
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