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TABLE 5-5 (CONTINUED). WINDOWS CLIENT/SERVER CONFIGURATION FILE OPTIONS
OPTION
DESCRIPTION
cert file-name
Enter the client’s or server’s certificate file name and location
Each client should have its own certificate and key files.
As above, each \ in the directory path must be escaped.
key file-name
Enter the client’s or server’s key file name and location
Each client should have its own certificate and key files.
As above, each \ in the directory path must be escaped.
dh file-name
Enter the path to the key with the Diffie-Hellman parameters. A server-only setting.
Nobind
Used when clients do not need to bind to a local address or specific local port number.
This is the case in most client configurations.
persist-key
Prevents the reloading of keys across restarts.
persist-tun
Prevents the closing and reopening of TUN/TAP devices across restarts.
cipher [BF-CBC Blowfish |
AES-128-CBC AES | DES-EDE3-
CBC Triple DES]
Sets the cryptographic cipher.
BF-CBC Blowfish is the default if no cipher is explicitly set.
The client and server must use the same settings.
comp-lzo
Enables compression on the OpenVPN link.
If enabled, it must be set on the client and the server.
syslog
Located in syslog on Linux or Unix.
Located in \Program Files\OpenVPN\log\ if running as a service on Windows.
To initiate the OpenVPN tunnel following the creation of the client/server configuration files:
Right click on the OpenVPN icon in the Notification Area.
Select the newly created client or server configuration.
Click Connect in the presented sub-menu.
The log file will display as the connection is established.
Once established, the OpenVPN icon will display a message notifying of the successful connection and assigned IP.
This information, as well as the time the connection was established, is available anytime by scrolling over the OpenVPN icon.
NOTE: An alternate, open-source OpenVPN Windows client can be downloaded from https://openvpn.net/index.php/open-source/
downloads.html. See https://openvpn.net/index.php/access-server/docs for help.
FIGURE 5-33. OPENVPN WINDOWS CLIENT
CHAPTER 5: SERIAL PORT, HOST DEVICE AND USER CONFIG
