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This page is a snapshot of a previous version of Mozilla's CA Certificate Policy. Click here to view Mozilla's Current CA Certificate Policy.

Mozilla CA Certificate Enforcement Policy (Version 2.0)

This section of the Mozilla CA Certificate Policy describes the steps that Mozilla may take in order to enforce this policy. This includes evaluation of security concerns, and removing or disabling a root certificate.

This is the official Mozilla policy for enforcing the Mozilla CA Certificate Policy:

  1. When a serious security concern is noticed, such as a major root compromise, it should be treated as a security-sensitive bug, and the Mozilla Policy for Handling Security Bugs should be followed.
  2. Mozilla may, at its sole discretion, disable or remove a certificate at any time and for any reason. Mozilla will disable or remove a certificate if the CA demonstrates ongoing or egregious practices that do not maintain the level of service that was established in the Inclusion Section of the Mozilla CA Certificate Policy or that do not comply with the requirements of the Maintenance Section of the Mozilla CA Certificate Policy.
  3. A certificate is disabled by turning off one or more of the three trust bits (Websites, Email, Code Signing). To initiate the disablement or removal of a certificate, a representative of Mozilla will submit a bug report to the Bugzilla system, as described in the Root Change Process or the Mozilla Policy for Handling Security Bugs.
  4. If Mozilla disables or removes a CA's certificate(s) from Mozilla's products based on a CA's actions (or failure to act) that are contrary to the Mozilla CA Certificate Policy, Mozilla shall publicize that fact in newsgroups on the server, on Web pages in the and domains, in news releases sent to organizations specializing in computer and Internet news, or as an alert to the US-CERT organization of the U.S. Department of Homeland Security.

This policy applies only to software products distributed by Mozilla, including the Mozilla Foundation and its subsidiaries. Other entities distributing such software are free to adopt their own policies. In particular, under the terms of the relevant Mozilla license(s) distributors of such software are permitted to add or delete CA certificates in the versions that they distribute, and are also permitted to modify the values of the "trust bits" on CA certificates in the default CA certificate set. As with other software modifications, by making such changes a distributor may affect its ability to use Mozilla trademarks in connection with its versions of the software; see the Mozilla trademark policy for more information.

Please contact Mozilla at for more information about this policy and answers to related questions.

We reserve the right to change this policy in the future. We will do so only after consulting with the public Mozilla community, in order to ensure that all views are taken into account.