feat: add list of NGINX alerts in XC (#829)

* feat: add list of NGINX alerts in XC

---------

Co-authored-by: Travis Martin <[email protected]>

Author: mjang

content/includes/nginx-one/alert-labels.md

@@ -0,0 +1,27 @@
+---
+files:
+  - content/nginx-one/secure-your-fleet/secure.md
+  - content/nginx-one/glossary.md
+---
+
+
+You can configure a variety of NGINX alerts in the F5 Distributed Cloud. If you have access to the [F5 Distributed Cloud]({{< ref "/nginx-one/getting-started.md#confirm-access-to-the-f5-distributed-cloud" >}}), log in and select the **Audit Logs & Alerts** tile. 
+
+Go to **Notifications > Alerts**. Select the gear icon and select **Alert Name > Active Alerts**. You may see one or more of the following alerts in the **Audit Logs & Alerts** Console. 
+
+{{<bootstrap-table "table table-striped table-bordered">}}
+
+### Alert Labels
+
+| **Alertname**                  | **Description**                                                    | **Alert Level** | **Action**                                                                                                      |
+|--------------------------------|----------------------------------------------------------------------|-----------------|------------------------------------------------------------------------------------------------------------------|
+| HighCVENGINX                  | A high-severity CVE is impacting an NGINX instance                  | Critical        | Review the CVE details in the NGINX One Console. Apply updates or change configurations to resolve the vulnerability. |
+| MediumCVENGINX                | A medium-severity CVE is impacting an NGINX instance                | Major           | Review the CVE details in the NGINX One Console. Apply updates or configuration changes as needed.               |
+| LowCVENGINX                   | A low-severity CVE is impacting an NGINX instance                   | Minor           | Review the CVE details in the NGINX One Console. Consider updates or configuration changes to maintain security.  |
+| SecurityRecommendationNGINX   | A security recommendation has been found for an NGINX configuration | Critical        | Review the configuration issue in the NGINX One Console. Follow the recommendations to secure the instance or Config Sync Group.      |
+| OptimizationRecommendationNGINX| An optimization recommendation has been found for an NGINX configuration| Major          | Review the optimization details in the NGINX One Console. Update the configuration to for the instance or Config Sync Group to enhance performance.       |
+| BestPracticeRecommendationNGINX| A best practice recommendation has been found for an NGINX configuration | Minor          | Review the best practice recommendation in the NGINX One Console. Update the configuration for the instance or Config Sync Group to align with industry standards. |
+| NGINXOffline                  | An NGINX instance is now offline                                   | Major           | Verify the host is online. Check the NGINX Agent's status on the instance and ensure it is connected to the NGINX One Console. |
+| NGINXUnavailable              | An NGINX instance is now unavailable                               | Major           | Ensure the NGINX Agent and host are active. Verify the NGINX Agent can connect to the NGINX One Console and resolve any network issues. |
+| NewNGINX                      | A new NGINX instance has connected to NGINX One                   | Minor           | Review the instance details in the NGINX One Console. Confirm availability, CVEs, and recommendations to ensure the instance is operational. |
+{{</bootstrap-table>}}

content/nginx-one/glossary.md

@@ -28,6 +28,10 @@ This glossary defines terms used in the F5 NGINX One Console and F5 Distributed
 
 {{< include "nap-waf/config/common/nginx-app-protect-waf-terminology.md" >}}
 
+## NGINX Alerts
+
+{{< include "/nginx-one/alert-labels.md" >}}
+
 ## Legal notice: Licensing agreements for NGINX products
 
 Using NGINX One is subject to our End User Service Agreement (EUSA). For [NGINX Plus]({{< ref "/nginx" >}}), usage is governed by the End User License Agreement (EULA). Open source projects, including [NGINX Agent](https://github.com/nginx/agent) and [NGINX Open Source](https://github.com/nginx/nginx), are covered under their respective licenses. For more details on these licenses, follow the provided links.