Internet Explorer: How to handle invalid security certificates ?¶

When accessing for the first time Community Single Sign-On (CSSO) enabled web sites like

• https://idp.e-taxonomy.eu

• https://dev.e-taxonomy.eu/trac/

the Internet Explorer will certainly announce The following Security Alert dialog.

[!IE6-SecurityAlertpng|align=center!]

If you want to omit this warning in the future,

• Select the radio button In the future, do not show this warning

Anyway

• Push the button OK to leave this dialog

The following steps differ a little bit, depending on the version of your Internet Explorer installation

• Internet Explorer 6

• Push the button View Certificate

[!IE6-SecurityAlert-ViewCertificatepng|align=center!]

• *Internet Explorer 7 & 8 *

• Click on the link Continue to this website (not recommended)

[!IE7-CertificateError-Continuepng|align=center!]

• Click into the red field Certificate Error to the right of the URL at the top of the window

• Now, the Untrusted Certificate dialog will appear

• Click on the link View Certificates

[!IE7-CertificateError-UntrustedCert-ViewCertpng|align=center!]

[!XP-Certificate-Details-Thumbprint-OKpng|align=center!]

[!XP-Certificate-General-InstallCertpng|align=center!]

[!wikiIEImportCACertificatesXP-CertificateImportWizardpng|align=center!]

[!XP-CertificateImportWizard-CertificateStore-Automaticpng|align=center!]

[!XP-CertificateImportWizard-Finish-Automaticpng|align=center!]

[!wikiIEImportCACertificatesXP-CertificateImportWizard-Successpng|align=center!]

[!XP-Certificate-General-OKpng|align=center!]

[!IE6-SecurityAlert-Yespng|align=center!]