Other features, such as File Inspection, gain greater efficacy from having the certificate present as Umbrella is able to proxy and block cisco download traffic. In addition, by installing the certificate, you avoid a common cisco download with Umbrella’s block pages that your users may cisco download. This block page is encrypted with a certificate signed by the Cisco Root CA. In order to avoid certificate errors when accessing the block page, you must install the Cisco Root CA in your browser, or if you have a network of computers, in your users’ browsers.
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Other features, such as File Inspection, gain greater efficacy from having the certificate present as Umbrella is able to proxy and block more traffic. In addition, by installing the certificate, you avoid a common problem with Umbrella’s block pages that your users may encounter. This block page is encrypted with a certificate signed by the Cisco Root CA. In order to avoid certificate errors when accessing the block page, you must install the Cisco Root CA in your browser, or if you have a network of computers, in your users’ browsers.
Why Take These Steps? If the Cisco Root CA is not trusted by your browser, an error may be displayed. Typical errors include “The security certificate presented by this website was not issued by a trusted certificate authority” Internet Explorer , “The site’s security certificate is not trusted! Although the error is expected, the messages displayed can be confusing and annoying and you may wish to stop them from appearing. To avoid these errors entirely, install the Cisco Root CA in your browser, or the browsers of your users if you’re a network admin.
This can be done on a per-browser, per-machine basis for personal use or small deployments. As such, if your network includes some users who use Firefox or Safari browsers, and for users on non-Windows operating systems, the manual installation procedures must be followed. For advanced users or systems administrators with larger networks, this article also describes how to install the Cisco Root CA automatically through Active Directory Group Policy Objects for a group of users in Microsoft Windows Active Directory.
This automatic installation of the Cisco Root CA only works for users with Internet Explorer, Edge, or Chrome on Windows systems, so if your network includes some users who use Firefox or Safari browsers, and for users on non-Windows operating systems, the manual installation procedures must be followed for those users. Important To perform these steps, you must be a local administrator over the computer or a network administrator over the network. Log into your Active Directory server using a domain administrator account.
To create a domain-wide policy, right-click your domain root Organizational Unit OU , which is displayed as your domain name, and select Properties from the context menu. Select the new Group Policy Object, click Edit. The Group Policy Object Editor is displayed. With the full path to the certificate displayed in the File name field, click Next.
Accept the default option, place all certificates in the following store Trusted Root Certification Authorities , click Next, and then click Finish and OK. You have now created the Group Policy Object to install the certificate on all the computers in your domain. The new policy may not take effect immediately on all client machines. By default, the background synchronization processing happens every 90 to minutes at randomized times.
Rebooting the client machines will force the synchronization. Download the Cisco Root CA: To create a domain-wide policy, right-click your domain root Organizational Unit OU , which is displayed as your domain name, and select Create and Link a GPO Here from the context menu.
The New GPO dialog box appears. For example, Umbrella Certificate Installer. Right-click the new Group Policy Object, Umbrella Certificate Installer, on the right-side of the window, and select Edit from the context menu. The Group Policy Object Editor appears. The new policy may not take affect immediately on all client machines.
This article describes how Firefox can be configured to trust certificates in the Windows certificate store: Configuring Firefox to use the Windows Certificate Store This makes certificate management through group policy much easier in the long run. See Google’s documentation, Set up certificates. Chrome uses Internet Explorer’s certificate store, so the same procedure will also configure Chrome.
Click Install Certificate. In the Certificate Import wizard, click Next. In the Certificate Store window, select Place all certificates in the following store and then click Browse. Click Next and then click Finish. In the Security Warning windows, click Yes to install the certificate. The Certificate Import wizard will notify you that “The import was successful. Restart Internet Explorer.
Install the CA in Firefox on Windows This procedure assumes that you, the computer administrator, have already downloaded the Cisco Root CA and that you have sufficient access privileges to install the certificate on the local system Download the Cisco Root CA: Click the Open Menu icon near the top right-hand corner of the browser window. Browse for and select the Cisco Root Cert, downloaded in the first step.
Restart Firefox. The Firefox certificate store can also be manipulated from the command line using the certutil tool from the NSS Tools package. You must be the computer administrator to perform this action. Double-click the file or drag and drop it on top of the Keychain Access icon in the Applications Utilities folder. The Add Certificate window appears. Click Always Trust. Double-click the Cisco Root CA to open its properties window. Change the When using this certificate pulldown to Always Trust.
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