If you are using ResNet and experience security warnings similar to the following messages during the login process...

• This Connection is Untrusted
• Safari cannot verify the identity of the website
• There is a problem with this website's security certificate

...simply follow the steps below to resolve the issue. The reason you receive this message is because there are an a tremendous amount of certificate authorities on the Internet providing digital certificates, which are used to verify the identity of the website you are visiting, and is nearly impossible to support every company out there.

Follow these steps to install the root certificate of the CA used on the ResNet Authentication Page.

FireFox

1. Download the root certificate
   SHA1 Fingerprint: D2 C4 10 CB 8C 94 E5 66 BF D4 B4 FF 23 C8 86 86 32 74 36 90
2. Firefox will display a popup asking you what you want to do with it
3. Click on "View" to examine the fingerprint of the certificate. The text "Could not verify this certificate because the issuer is not trusted" is OK, as we are in the process of installing a new root certficate.
4. Check the SHA1 fingerprint. It should be D2 C4 10 CB 8C 94 E5 66 BF D4 B4 FF 23 C8 86 86 32 74 36 90 as in the example above.
   If the fingerprint is correct, press "Close"
5. Check the box "Trust the CA to identify web sites", then press OK.

INTERNET EXPLORER

1. Download the root certificate
   SHA1 Fingerprint: D2 C4 10 CB 8C 94 E5 66 BF D4 B4 FF 23 C8 86 86 32 74 36 90
2. Choose "Open"
3. Choose "Install Certificate...". This will start the wizard for importing certificates.
4. Choose "Next"...
   "Automatically select..." is the default and can safely be used.
5. Choose "Next".
6. Choose "Finish". This will lead to the popup shown below:
7. Make sure the certificate is the right one by checking the thumbprint; it should be D2 C4 10 CB 8C 94 E5 66 BF D4 B4 FF 23 C8 86 86 32 74 36 90.
8. If the thumbprint matches, Choose "Yes"
9. Choose "OK"

Safari

1. Download the root certificate
   SHA1 Fingerprint: D2 C4 10 CB 8C 94 E5 66 BF D4 B4 FF 23 C8 86 86 32 74 36 90
2. Locate the file from the location you downloaded it to, then double-click it
3. Keychain Access application will open.
4. To check the certificate, click on the 'View Certificates' button on the left side of the dialog. A dialog with information about the certificate will pop up. Make sure the following values match...
   SHA1 Fingerprints: D2 C4 10 CB 8C 94 E5 66 BF D4 B4 FF 23 C8 86 86 32 74 36 90
5. Select 'System' from the Keychain drop down and press OK.
6. You will be asked to authenticate yourself. After that, the certificate will be installed system-wide.