Firefox: “You are not authorized to view this page” when connecting to intranet

In case you get the error below when connecting to your Windows-based intranet using Firefox, here’s the fix:

1. In your toolbar, type “about:config
2. Search for “network.negotiate-auth.allow-insecure-ntlm-v1” and set it to “true
3. That’s it. When you access the site, it will now ask you to enter your domain creds

You are not authorized to view this page
You do not have permission to view this directory or page using the credentials that you supplied because your Web browser is sending a WWW-Authenticate header field that the Web server is not configured to accept.

Please try the following:

Contact the Web site administrator if you believe you should be able to view this directory or page.
Click the Refresh button to try again with different credentials.

HTTP Error 401.2 – Unauthorized: Access is denied due to server configuration.
Internet Information Services (IIS)

Technical Information (for support personnel)

Go to Microsoft Product Support Services and perform a title search for the words HTTP and 401.
Open IIS Help, which is accessible in IIS Manager (inetmgr), and search for topics titled About Security, Authentication, and About Custom Error Messages.

Bypass Google Chrome’s “Cannot connect to the real” error

In case you encounter the error below in Chrome, but you’re sure or okay with proceeding to the site, just type “proceed” while on the page and it should take you there.

Cannot connect to the real <site>…

Something is currently interfering with your secure connection to vcs.websys.tmcs.

Try to reload this page in a few minutes or after switching to a new network. If you have recently connected to a new Wi-Fi network, finish logging in before reloading.

If you were to visit vcs.websys.tmcs right now, you might share private information with an attacker. To protect your privacy, Chrome will not load the page until it can establish a secure connection to the real vcs.websys.tmcs.

Apple Extreme 802.11ac: Allow DHCP renewal packets

I recently purchased an Apple Extreme 802.11ac router, as my trusty, old WRT54G running dd-wrt has finally died. I’m not too happy that this router doesn’t support stateful packet inspection — I need to know what my kids are viewing. Other than that, it’s been super easy to setup.

Anyway, my AT&T 3600HGV modem is running on (somewhat) bridge mode (see here), so I needed to allow my AirPort Extreme to accept DHCP renewal packets, so it didn’t keep trying to renew it’s public IP from AT&T. All you need to do is:


Save the settings, update, and that’s it.