How to setup OpenVPN to access to a remote internal network from home
Tech-Today

How to setup OpenVPN to access to a remote internal network from home


This write up will help you setup open vpn for remote access.
I'm assuming you're using a windows machine :-)

1. First download and install the OpenVPN client from: http://openvpn.net/index.php/open-source/downloads

2.) Ask for the ff files from your network admin:
  a.) ca.crt
  b.) yourprofile.crt
  c.) yourprofile.key
  d.) ta.key (optional - only required when tls-auth is activated on the server)

3.) Paste files from #2 to: C:\Program Files (x86)\OpenVPN\config, or to the config folder where you install openvpn.

4.) Now we need to edit the template.ovpn from C:\Program Files (x86)\OpenVPN\ and move it inside the config folder.

5.) I'll just enumerate the usual modifications:
>Remote server section:
remote my-server-1 1194

>SSL/TLS parms section:

ca ca.crt
cert yourprofile.crt
key yourprofile.key

>tls-auth section (if enable):
tls-auth ta.key 1

>compression section (if you want to enable comp-lzo
comp-lzo

That's all for the configuration section. Now let's run open vpn client from: C:\Program Files (x86)\OpenVPN\bin\openvpn-gui-1.0.3.exe. It will open an application in your system tray, right click on it and click connect.

If you have an error, just diagnose the logs from:
C:\Program Files (x86)\OpenVPN\log

Some problems you might encounter:
1.) TAP-Win32 Adapter - disabled.
>Go to Control Panel->Network and Sharing Center->Change adapter settings, and activate TAP-Win32 Adapter V9

2.) If you want to install in linux follow this guide:
https://help.ubuntu.com/10.04/serverguide/openvpn.html




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