« Posts tagged pfSense 2.2

Potential DNS Rebind attack detected, workaround

If you publish sites to the Internet behind pfSense device, and then try to open the Internet address you will receive the following error message: Potential DNS Rebind attack detected, see http://en.wikipedia.org/wiki/DNS_rebinding Try accessing the router by IP address instead of by hostname. This will appear on your browser. Recently I’ve hit this issue. The […]

Upgrade from pfSense 2.1.5 to 2.2 on Hyper-V

After the release of pfSense 2.2 it was time to upgrade some installations. They resides on Windows Server 2012 R2 Hyper-V. After the first reboot my test machine did not come up. The screen looks like this: The error message is quite interesting at first: Mounting from ufs:/dev/ad0s1a failed with error 19. After little goggling […]

pfSense 2.2 Released!

It’s been a while since I’ve been digging in pfSense. A lot of things had happened. The good news is that currently I’ve got a few projects related to the topic and will make a few posts about them. Next post will be related to upgrading to 2.2 from 2.1.5. In the meantime you can […]