Ubuntu Networking :: Network-manager-openvpn And Static-key OpenVPN Connection In 9.10
Apr 5, 2010
i have some problems with configuring openvpn tunnel connection to my openvpn server. I'm using static-key tcp connection. Network manager always said to me that connection could not be established. Also, when i try to run openvpn from terminal, i got some strange permissions problem:
Code:
openvpn --config config.ovpn
Mon Apr 5 15:48:37 2010 OpenVPN 2.1_rc19 i486-pc-linux-gnu [SSL] [LZO2] [EPOLL] [PKCS11] built on Oct 13 2009
Mon Apr 5 15:48:37 2010 NOTE: OpenVPN 2.1 requires '--script-security 2' or higher to call user-defined scripts or executables
Mon Apr 5 15:48:37 2010 /usr/sbin/openvpn-vulnkey -q moj.key
[code]....
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Feb 13, 2010
I want to configure a VPN over the Internet.I installed the 'openvpn' package, generated the key file, transfered it by a secure way to the client, and setted up the configuration file.
So, in that configuration file I input the IP addresses of the tunneled interfaces. Both IPs are static in the tunnel.
Then, I've heard somewhere that I can assign a dynamic configuration IP for the client. I do this registering a range.
Well, when I tried to change static IP to dynamic IP (changing '192.168.0.2' to '192.168.0.0/24') in the configuration file, the OpenVPN didn't work.
Obviously I don't know what I'm doing, and I really, don't believe that simply changing the IP will make it work, but I tried.
I hope I explained my problem as well.
My configuration file:
# OpenVPN Server Configuration File
dev tun 0
ifconfig 192.168.0.1 192.168.0.2
cd /etc/openvpn
secret key_file
In client I execute the 'openvpn' without the '--daemon' parameter.Then I want that my client uses a IP in a range (192.168.0.0/24, for example), instead of a static IP (192.168.0.2).I also thought to use a DHCP server, but I'm not sure that will work.
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Apr 28, 2011
I've seen this issue and it never seems to get resolved maybe this time I can find a fix.I'm currently using ubuntu 11.04 although i've had this issue since 10.04 and 10.10When using openvpn in windows it works perfectly fine but when using openvpn on ubuntu that's a completely different story I import my .ovpn file from clearos it loads the keys just fine but when it tries to connect it say's "no valid vpn secrets"
On clearos it gives you 3 certs and a .ovpn file the file sets it to use password with tls certs but it still comes up with this error, i've been quite stumped and it would be nice to possibly shed some light on this so I can finally get ubuntu to work with openvpn if possible.
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May 17, 2010
I am trying to connect to an OpenVPN connection using the gnome-network manager. I'd like to point out that using the configuration file in /etc/openvpn works perfectly but I have no way of knowing if the connection has dropped. When I set up the connection in the nm it connects for a few seconds then fails. The /var/log/messages file shows this:
May 17 08:31:37 lucid64 kernel: [ 4594.043637] tun0: Disabled Privacy Extensions
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Sep 15, 2010
I successfully installed openvpn and networkmanager openvpn plugin. Then I successfully added a PPTP vpn connection by networkmanager vpn tab which name is "vpn1". But now I don't know how to connect to this PPTP vpn connection. I tried bellow command but no luck.
openvpn --config vpn1.config
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Jul 17, 2011
I have ovpn configuration files for Windows from SwitchVPN. They do not provide configuration files for GNU/Linux. They said I can extract the certificate and key files from the ovpn files, but I'm confused about how to do that.First of all, I don't know which Authentication Type to choose: "Certificates (TLS)," "Password," "Password with Certificates (TLS)" or "Static Key."
Second, I don't know what to put where from the ovpn file. I see a <ca> � </ca> section and a <tls-auth> </tls-auth> section, but I don't see how those correspond to any of the Authentication Types. "Certificates (TLS)" and "Password with Certificates (TLS)" require two certificates and a key, "Password," requires one certificate and no key, and "Static Key" requires a key and key direction but no certificate. When I connect to SwitchVPN in Windows, it asks for a user name and password.Here's an example of the ovpn files (certificate and key contents removed):
Quote:
route-delay 3
fast-io
client
dev tun
[code]...
how to get what I need from the ovpn files, and which Authorization Type to choose in the Network Manager VPN configuration GUI, and what to put in the blanks?
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May 31, 2010
I am trying to connect to an OpenVPN connection using the gnome-network manager.
I'd like to point out that using the configuration file in /etc/openvpn works perfectly but I have no way of knowing if the connection has dropped.
When I set up the connection in the nm it connects for a few seconds then fails. The /var/log/messages file shows this:
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Oct 4, 2010
It's been a while since I meant to resolve this emacs-related issue when installing basically any package.
Since I really need network-manager-openvpn, I decided to finally try and ask.
This is a known bug I believe, with no fix if I understand well. My question is: is there a way to go around it (instead of fixing it)
Here it goes : when installing a package (in this case, network-manager-openvpn), emacs gets in the way like this:
Code:
And the package is not installed.
I have already tried uninstalling emacs. Doesn't work...
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Mar 9, 2011
I have setup my laptop to connect to a VPN server running openvpn.
This works fine if I from the client, start OpenVPN from the terminal. /etc/init.d/openvpn start
It then asks for a password for the certificate, which is should.
I have then installed the OpenVPN option for the Gnome network manager (network-manager-openvpn), so I could use the nm-applet for this, instead.
But it seems to be that there is a little bug, so I does not prompt me for the certificate password, OR use the password this is actually set for the certificate. (kinda irritating)
I get the following error on on the client.
nm-openvpn[2936]: ERROR: could not read Private Key username/password/ok/string from management interface
It seems like an very old bug, I tried the following without any luck (Yes I noticed it was for Ubuntu). [url]
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Aug 6, 2010
I have freshly installed OpenSUSE 11.3 64 bit and reimported my old openvpn connections via Network Manager. Connection can be established fine, but after 3 to 6 seconds (pings) it will stop to receive any packets on the tun device.
I tried disabling the firewall, starting openvpn manually, no avail. I checked the message log and the openvpn output, no messages recorded.
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Jan 22, 2011
I have an OpenVPN setup at work, and windows clients are able to connect fine. On my dual-boot system (Windows XP 64-bit and Ubuntu 10.10 64-bit) I'm able to connect on Windows but not Ubuntu. I use the same files for each. The network manager wasn't working, so I'm doing it via the command line right now:
Below is the output (sanitized)
Code:
Does this mean it's connected? If so, I'm not able to ping anything on the remote network, not even the OpenVPN server.
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Aug 21, 2010
I'm using OpenVPN to connect to a remote system. When I run
Code:
It brings up a new tunnel interface. The problem is that once the tun interface is brought up and the VPN is established, my whole Internet connection slows to a crawl.
Here is the output from ip route show before openvpn:
Code:
And after openvpn:
Code:
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May 8, 2010
I have problem in making connection to my vpn server I can make connection from windows xp to that but can not open any website and I can not ping 172.16.10.1 when connection established.
These are my configuration files:
server config file:
Quote:
client configuration file:
Quote:
And this is my server syslog tailed file:
Quote:
And I added this routing to /etc/rc.d:
Quote:
And this is my iptable:
Quote:
And vpn connection is lost after establishing a lot.
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Aug 9, 2010
i have installed openvpn and config it for a tunnel. my server.conf and client,conf is as follow:
server.conf
port 1194
proto udp
[code]...
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Dec 5, 2010
I have an openvpn bridge up and running (ubuntu to ubuntu, both in vmware fusion machines on macs). My problem is that I cannot get a connection faster than ~9mbps even though 20+mbps is available. I've been troubleshooting for a while and have tried many fixes. I just now did ethtool tap0 and I think maybe I found it. It says the link is 10mbps. I tried to change it with:
sudo ethtool -s tap0 speed 100
but it says ethtool cant change speed on tap0. How can i define the link speed of tap0?
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Jul 20, 2011
I have installed OpenVPN for network-manager using "sudo apt-get install network-manager-openvpn". Now I have it in my network-manager, but I dont know how to configure a connection, I have a configuration script, when I import that script in network-manager it automatically creates a connection, but still problems exists ...
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Jul 12, 2011
I am having problems setting up openvpn with networkmanager. I am running fedora15 with the newest networkmanager. Okay here is some info...
openvpn runs at boot time no problem...
Here is a copy of the boot time message from /var/log/messages
Code:
Here is a copy of tun0 from the ifconfig, and also you can see that openvpn is running from the command "netstat -ntl"
Code:
Here is the options i am using for server.conf for openvpn.
Code:
Okay well when i try to add openvpn to network manager i select the openvpn option and it ask for the required fields.
For gateway i am using -> 10.0.0.0
ALL other options i am just using the defaults...
Now i am not sure if they options that i am using is correct... if anyone has any input i would love to hear some.
Now when i try to start New VPN Connection from network manager it fails to connect and here is what i am getting from /var/log/messages
Code:
If you want to recommend command line options instead of using the network manager gui i am okay with that...
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Sep 7, 2010
I have setup an OpenVPN server on Ubuntu server. I am able to connect with Windows clients. I am, however, unable to correctly connect using Ubuntu.
If the router firewall is blocking the pings to keep the connection alive, then the connection initially does not work, but will work after the first timeout and reconnect. If the firewall does not block the pings then the initial connection attempt never times and therefore the connection does not work.
Attached is the readout from the client.
The first attempt gives error ERROR: Linux route add command failed: external program exited with error status: 7
Successive attempts work, they just time out every two minutes.
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Jun 23, 2010
My network is barely functional. I'm running 2 linux servers connected by openvpn (tun) through routers on both sides. There are Windows clients (98 and XP) on both subnets. One server (ls3) acting as PDC for the domain. The Windows clients use the respective linux boxes as gateways. On the server side (ls3 which is both openvpn server and samba server), all the clients can read/write properly to shares on both sides. The problems are all on the client side. Share connections to the server side disconnect after a few moments.
Browsing on the client side windows machines is fine. I can see shares on the server side. Some server side files open and are readable, writable, other server side files will not open. Some samba logon scripts on the server side can be opened from the client side. Others open after a long wait to a blank file! Permissions on server side files are set to 777 for testing. If a file won't open or reads "blank", that doesn't change no matter how many times you try. A non-readable/writable file overwritten by a readable/writable one can be read and written to!
I can ping successfully from any client on either side to any other client by either ip address or workstation name. Firewalls on both side are set to forward tcp and udp traffic going to port 1194 to the respective gateway linux boxes. Iptables on both linux gateways are down for testing. I tried reversing the openvpn server/client roles with the same result; the same physical side of the network had the problem. On one of the windows 98 clients, I wiped out the networking configuration completely and rebuilt it from scratch. Same result.
One one of the windows xp clients, I tried to rejoin the domain. It went through successfully but the result was the same as above. The network was operating smoothly for several years until the client side dsl modem broke last week. It was replaced with a newer model and at the same time I migrated from a pptp connection to openvpn. How to resolve this, Is this something to do with openvpn? Is this a network hardware problem? Am I missing something in the port forwarding on the routers? My smb.conf files are ancient except I added interface tun0. I have never seen 2 files sitting next to each other in the same directory where one opens and the other doesn't!
I'm running Mandrake 9.2 on the client side and Mandriva 2008 on the server side. I have a Sonicwall firewall on the server side, a Westell 7500 on the client side. I note that during the modem install, the http port was opened to the linux box on the client side and the access log got huge over the weekend and I ran out of disk space until I closed it down and deleted the log. I tried a simple test while viewing /var/log/daemons/errors on the client side. From a windows workstation in the client subnet, I opened a dos window and tried to print a file located on the samba server on the openvpn server machine which I knew NOT to be problematic.
The file printed and there were no errors reported in the log. I repeated the test with a known problematic file. The file would not print. The errors log noted:
Authenticate/Decrypt packet error: packet HMAC authentication failed
I regenerated the static.key file on the server side and scp'd it to the client side and restarted both openvpn's. I checked for duplicate files named static.key on both sides. Same error.
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Nov 19, 2010
I installed all the necessary packages for the networkmanager-openvpn function to function. The openvpn-connection-setting are successfully imported into the networkmanger via the conf file but the apply button is grayed out, so that actually saving and using the connection isn't possible? Does anyone know, where the problem is? It's a fresh install of Ubuntu 10.10 after the upgrade from 10.04 sent the networkmanger down the drain.
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Apr 14, 2010
I have a network that consists of a few desktop machines, laptops, and two Internet connected linux servers. The Linux servers are the gateways, routers, and firewalls for my desktop and laptop machines.Whenever I'm away from home; I can connect to my home machines over the Internet by first ssh'ng (technically I use Webmin; because my firewall on each Linux servers blocks ssh from the Internet.) to one of the linux servers and then ssh'ng to the desired machine on my home network.
This works fine for my home linux machines. But not my Windows machines.I'd like to be able to rdp or rdesktop to my Windows machines.Will OpenVPN allow me to accomplish this ?
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Oct 27, 2010
I followed this tutorial => https://help.ubuntu.com/community/OpenVPN
I'm working on ubuntu 10.10 OS
So everything is ok when i start the tutorial with my interface on code...
The only way I can make it work again is by setting the interfaces back to
auto lo
iface lo inet loopback
>> then reboot
and after that put back the br0 settings in the interfaces en restart the network.
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Apr 3, 2010
I'm trying to setup OpenVPN in order to connect back to my home network while traveling for secure browsing and such. However, before I can even start trying to set that up I tried to see if I could open port check my computer through the net. And I'm having a hard time doing that.
As far as I can tell, here are my roadblocks:
1. Is ISP (Qwest) blocking my ports?
2. Is my modem doing the proper port forwarding and firewall?
3. Is my router doing the same?
4. Is my firewall on the computer allowing the request?
To minimize sources of error, I've turned off my local and router firewall and setup my router to forward ports. I'm not to familiar with my modem, but I'm pretty sure that the firewall is turned off by default and I think I've done port-forwarding correctly. But still no success when doing an open port check. At this point I don't know how to diagnose the problem.
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May 20, 2009
I have the following problem:I have to networks in remote places.I have an opnvpn client in one network that connects to the the router (openvpn server).My question is,can i connect the network where the openvpn client is,throught the computer with the client to the other network.If yes,how? (please make it an idiot proof anwser because i have limited knowledge about iptables). I was thinking like forwarding (the router in the network with the openvpn client is also firewalling with iptables) the request of the ip class of the openvpn network to the computer with the client,which masquarades the interface
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Jun 4, 2011
As I reported in this bug:[URL].. root is not able to start an openvpn-connection via the "nmcli"-command to control NetworkManager, whereas my user does not run in any problems with this command. My error output when starting as root is as follows:
Code:
# nmcli con up id "my-openvpn"
Active connection state: unknown
Active connection path: /org/freedesktop/NetworkManager/ActiveConnection/5
state: VPN connecting (need authentication) (2)
Error: Connection activation failed: no valid VPN secrets.
Does anybody know what to do about this strange behaviour? The vpn-secret seems to be stored in the gnome-keyring and in the /etc/NetworkManager/system-connections/my-openvpn simultaneously. But root cannot access any of these. Why this is important? I'm trying to set up a dispatcher-script to automatically start openvpn on eth-connection. but this does throw the exact error from above (no valid vpn secrets..).
[Code]...
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May 16, 2010
I an unable to connect to an openvpn connection in ubuntu karmic. I have installed openvpn , I added the user certificate, CA certificate , Private key and the conf file in the /etc/openvpn directory. Also followed the steps given here [URL]..community/OpenSSL under "Importing a Certificate into the System-Wide Certificate Authority Database" , but still when I try openvpn --config linux_client.conf I get the following error.
Mon May 10 21:58:57 2010 /usr/bin/openssl-vulnkey -q -b 2048 -m <modulus omitted>
Mon May 10 21:58:57 2010 LZO compression initialized
Mon May 10 21:58:57 2010 Control Channel MTU parms [ L:1542 D:138 EF:38 EB:0 ET:0 EL:0 ]
Mon May 10 21:58:57 2010 Data Channel MTU parms [ L:1542 D:1450 EF:42 EB:135 ET:0 EL:0 AF:3/1 ]
Mon May 10 21:58:57 2010 Local Options hash (VER=V4): '41690919'
[Code]...
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Oct 29, 2010
When I make a vpn connection to an openvpn server, I loose the internet connection.
The VPN works all right.
Server config (extract)
Client config
Client route without the VPN connection
client route with VPN connected (internet lost)
Is there anything I can do to the push rule of the servers's config file?
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Jan 19, 2011
I can get a tunnel connected via terminal with: openvpn --config client.ovpn
However, when I tried to use the "friedly" gui (gadmin-openvpn-client), it keeps telling me to "import server certificates into client first."
I don't know what that means. Nor, do I see a tun device.
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Sep 6, 2011
I have succesflly installed OpenVPN server and clients(followed tuts). Everything is great, however when I have openvpn connection established on the clients I loose the basic internet connection in the browser, but my clients can see the vpn server(even I can ssh to the server via the openvpn client ip). I am guessing that all the traffic is routed through the server. I am just not knowledgable enough with routing , iptables and internet sharing. I am using tun based setup on OpenVPN. I am just not even sure if this is a server or a client issue, sorry for ignorance and illeteracy.
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Jul 29, 2010
I need to run a 2nd instance of openvpn on my server so that it can run on udp. The current one runs on tcp and I need to keep that running. Apparently, I need to create a 2nd tun network for it to use - how can I do that? I tried starting a 2nd instance of openvpn but it just seems to hang.
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