Fixing OpenVPN on Firmware 1.60 and up


After upgrading to SZ 1.60 a couple of months back, I had the unfortunate experience to see OpenVPN had become unusable. Since I usually connect via VPN for most of the things I do online, this was certainly a disappointment, and I have since then assumed this was a firmware-related issue, asking Notaz for help. However, I have recently found that some settings actually fix the problems.

This may not be a problem for some VPN providers, but at least for the one I use (privateinternet), this was an issue. Here’s how you can actually fix it, should you run in a similar problem.

First, the symptom is always the same. You can connect to the VPN with your regular account name, password and CA certificate, but once connected nothing goes through. Like no web traffic. Nada. So you are left with an apparently valid VPN connection that does not feed any bits to your computer. Not great.


The solution was actually easy. I’m assuming you followed the previous tutorial on the VPN setup, because the first part is identical.


Then, you need to add the final touch:
– Click on “Advanced”, and you should see the following:


Tick Use LZO data compression.

You are not done yet. Go in the IPv4 settings tab in the previous window:
Make sure the Method points to Automatic (VPN) Addresses Only.


And you know what? That’s it! Your VPN access should now work as normal again. Your (pseudo) privacy is restored!

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That last setting suggests you’re not using the VPN for DNS or search domains, the latter suggesting links to your VPN’s intranet wouldn’t work, but the former is more interesting. Did everything, including traceroute and pinging known good IP addresses fail to work without this?