VikingVPN is Adding Bitcoin Paypal and Dwolla Support

A frequently requested feature by our customers is to increase our number of payment methods. The most frequently requested methods are Bitcoin and Paypal support.

We have been listening.

We will be adding Bitcoin, Paypal and Dwolla (a cheaper paypal alternative) support in the coming days.

Due to legal hurdles regarding corporate registration and paperwork, Paypal and Dwolla support will take a few weeks from today to be added. Bitcoin support should be available within 24-hours.

There will pages related to the process of paying with alternative payment systems on the site soon. We will be placing them on the sign up page.

Edit: The Bitcoin policies page is here.

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Emergency Maintenance Applied - Bash

9/26 update:

We have completed emergency maintenance to close the new severe bash vulnerability named ShellShock.

I will be writing a security article on the vulnerability in the near future. Edit: here it is

Viking's network uses a mixture of operating systems that are tuned for security by our staff. Some important facts are: We do not use an OS that defaults to bash, but it does contain bash. Bash is disabled on all servers. We have taken the extra precaution of locking down bash with our intrusion prevention system, so even if a program calls bash, bash will not be able to access any resources to run, execute code, navigate, or utilize any resources.

All VikingVPN services are now hardened against the attack with multiple layers of protection. We do not believe we were vulnerable to attack via this vector originally, but these additional measures are precautionary.

No ShellShock related attacks were detected anywhere on our network.

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NDIS6 TAP Driver Issue Found in Windows 7 - Causes Slowdowns

We have identified an issue with the new NDIS6 compatible TAP driver that is being installed with the latest version of OpenVPN. The issue causes very slow DNS resolution through the VPN service, which makes it so that pages take a very long time to load, or fail to load completely.

The NDIS6 TAP driver is bundled with the "I006" versions of OpenVPN. The driver was updated to fix some long-standing stability issues with Windows 8 and Windows 8.1.

If you are having this issue in Windows Vista, 7, or 8, we recommend that you uninstall the I006 version and install the I003 version that contains the older TAP drivers. This appears to fully resolve the issue.

As was the case before, if you are using the I003 version of the TAP driver with Windows 8 or 8.1, you have to be extremely careful and restart your machine before each time you sign on to the service. This is because Windows improperly handles the older TAP driver and it enters an error state where it doesn't initialize properly.

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A Rolling Restart of the Chicago Cluster


A rolling restart of the entire Chicago cluster is being issued to deal with a synchronization issue that is causing slowdowns for some users.

Downtime is expected to be less than 30 seconds.

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DNS Updates

We are currently investigating a problem with Google DNS that is causing long hangs for users when they are resolving domain names (when you first visit a site by entering the URL in the address bar, it is slow).

We will be issuing a rolling restart of all clusters to resolve the issue by pushing a different DNS server to our customers.

Downtime for each cluster should be less than 1 second. You may need to reconnect to the service is your client fails to auto-resume after the restart of the cluster.

I will update this post when the process is completed.

Update1: The Chicago cluster has been switched to a new set of DNS servers. Performance should now be back to normal for all users on that cluster.

Update2: The Phoenix cluster has been switched to a new set of DNS servers. Performance should now be back to normal for all users on that cluster.

Update3: The New York City cluster has been switched to a new set of DNS servers. Performance should now be back to normal for all users on that cluster.

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OpenVPN 2.3.4 i003 Released With New NDIS6 TAP Driver

OpenVPN for Windows has received a minor update that fixes some OpenSSL vulnerabilities (that do not impact VikingVPN).

The update includes a new Windows TAP driver that is supposed to have better support for the updated standards for NDIS6 and the current Windows 8 network stack. The new TAP driver has been in beta testing for quite some time and now is in the official client as most of the crash bugs have been worked out.

We are currently evaluating the NDIS6 driver in Windows 8 and 8.1 in our labs to see if stability has been improved over the old drivers. As it is now, we have recommended that our users restart their Windows 8 devices every time they wish to connect to our service to prevent a critical bug where the old TAP driver would enter an error state and not function properly.

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Connection Guide Updates

We are working on updating our connection guides to more current graphics, and revamping our videos to reflect the latest changes to the installation process for Tunnelblick and OpenVPN both.

Tunnelblick has streamlined the config file import process, removing a couple of steps from the process.

OpenVPN-GUI has been updated with new Icons, so we plan to update the videos and guides to avoid confusion with the different look of the app.

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Chicago Expansion Completed - Better Faster Stronger

We have completed the expansion of our Chicago network! This is a large scale expansion of our network in order to keep speeds high and continue our commitment to 99.999% uptime. "Five 9's" uptime allows us only around 15 minutes of downtime per year, per cluster.

This update is designed to be completely transparent to the user. You should only notice faster speeds while on the service and do not need to make any changes.




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We Are Changing Mail Services

We are currently migrating our services away from our current provider due to unresolvable issues with the spam filters of our current mail system. Our new system will allow us more granular control of our email filters and also allow us to send out mass emails when needed (for emergencies only).

The migration is not expected to interrupt any services, including customer care.

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Service Updates to Increase Android and iOS Compatibility

We have implemented a small change to our configuration server and client side in order to resolve issues with OpenVPN Connect on iOS and Android devices.

The change makes it so that our service will not timeout during our extraordinarily strong 4096-bit handshake on a device with a slower processor. We use an extremely strong ephemeral RSA key in order to give our users the maximum amount of protection that is physically possible on most devices without serious performance problems.

The issue was that the OpenVPN Connect app has an undocumented change that makes it so that if connecting to a server takes too long, the app will timeout and not connect to the service.

For a lot of older phones (Galaxy S2, iPhone 3, etc) the handshake can take in excess of 30 seconds, causing the timeout and failure to connect.

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