Document Dependabot and IP Allow Lists (#56540)

Co-authored-by: Anne-Marie <[email protected]>

Author: benwebb-au

content/admin/configuring-settings/hardening-security-for-your-enterprise/restricting-network-traffic-to-your-enterprise-with-an-ip-allow-list.md

@@ -130,3 +130,7 @@ To ensure seamless use of the OIDC CAP while still applying the policy to OAuth
 ## Using {% data variables.product.prodname_pages %} with an IP allow list
 
 {% data reusables.pages.ip-allow-list-pages %}
+
+## Using {% data variables.product.prodname_dependabot %} with an IP allow list
+
+{% data reusables.dependabot.ip-allow-list-dependabot %}

data/reusables/dependabot/ip-allow-list-dependabot.md

@@ -0,0 +1,7 @@
+By default, dynamically provisioned {% data variables.product.github %}-hosted runners do not guarantee static IP addresses. This includes the runners that are used by default with {% data variables.product.prodname_dependabot %}.
+
+If you use an IP allow list and {% data variables.product.prodname_dependabot %}, you must set up a self-hosted runner or enable {% data variables.product.prodname_dependabot %} for use with {% data variables.actions.hosted_runners %}. See [AUTOTITLE](/actions/concepts/runners/about-self-hosted-runners) and [AUTOTITLE](/code-security/dependabot/working-with-dependabot/about-dependabot-on-github-actions-runners#enabling-or-disabling-dependabot-on-larger-runners).
+
+Additionally, to learn more about setting up a {% data variables.actions.hosted_runners %} with a static IP address configured, see [AUTOTITLE](/actions/concepts/runners/about-larger-runners).
+
+To allow your self-hosted runners or {% data variables.actions.hosted_runners %} to communicate with {% data variables.product.github %}, add the IP address or IP address range of your runners to the IP allow list that you have configured for your enterprise.