![]() Click on the Tunnelblick icon at the top of the display.(This will hide the backup, so Tunnelblick doesn't see it and doesn't restore it.) Rename the /Library/Application Support/Tunnelblick folder to be named Tunnelblick.old.The different program (for example, Urban Shield) uses a customized version of Tunnelblick that makes backups of their configurations and restores them when Tunnelblick starts up, and also hides all other configurations. I used a different program and uninstalled it, but with Tunnelblick all I can see are my old configurations! Tunnelblick is designed to deal easily with the most common setups, so if it doesn't apply to your situation, or doesn't help, ask the Tunnelblick Discussion Group or the OpenVPN users mailing list for help. ![]() OpenVPN is such a powerful tool with so many options, and computer configurations are so varied, that it is difficult to have an exhaustive guide to troubleshooting problems. ![]() Most problems people think they have with Tunnelblick are really problems they are having with OpenVPN, so what follows is a mix of information about Tunnelblick and OpenVPN. I am repeatedly asked for my password or token value (Tunnelblick 3.6.9beta02 or higher) Status = 71"Īn OpenVPN log entry says "Note: unable to redirect default gateway - Cannot read current default gateway from system"Īn OpenVPN log entry says "Cannot load certificate file XXX.crt: error: 02001002:system library:fopen:No such file or directory: error: 20074002:BIO routines:FILE_CTRL:system lib: error:140AD002:SSL routines"Īn OpenVPN log entry says "TLS Error: Auth Username/Password was not provided by peer"Īn OpenVPN log entry says "script failed: could not execute external program" Status = 71"Īn OpenVPN log entry says "Tunnelblick: openvpnstart status #247: Error: Unable to load and/or kexts in 5 tries. OpenVPN Connects, but you can't surf the InternetĪ connection is established, but drops out or is restarted after a few seconds or minutes, or DNS stops working after a few minutesĪn error messages says to see details in the Console LogĪn error message says "write to TUN/TAP : Input/output error (code=5)"Īn error message says "You have tried to connect using a configuration file that is the same as the sample configuration file installed by Tunnelblick"Īn OpenVPN log entry says "potential route subnet conflict"Īn OpenVPN log entry says "Cannot allocate TUN/TAP dev dynamically"Īn error message says "Tunnelblick was not able to load a device driver (kext) that is needed to connect."Īn OpenVPN log entry says "Tunnelblick: openvpnstart status #247: Error: Unable to load tun and tap kexts. If OpenVPN is not connected to the server How can you tell if OpenVPN connected to a server? If the MongoDB database is not sufficiently protected the user could modify the database to gain additional access to VPN servers.I used a different program and uninstalled it, but with Tunnelblick all I can see are my old configurations! Another example is unintentionally providing VPN users with access to the MongoDB database that is used by Pritunl. This can be a significant issue if IAM roles are used on the Pritunl instance. With all network traffic routed and NATed through the VPN server a simple HTTP query from the VPN client to the metadata service curl will return potentially sensitive information. One example is unintentionally providing VPN users with access to the AWS metadata service. Cloud and enterprise networks often have a lot of network resources that may not be considered when providing VPN users with full network access. It should never be used in a cloud or enterprise environment. This configuration is intended for simple VPN servers running on one isolated host. Routing all internet traffic through the VPN server on a cloud or enterprise network will almost always produce unintended results.
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