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deployment-strategies/production-deployment-verification-guide.md

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@@ -17,7 +17,7 @@ Before proceeding, ensure that you deployed your Defguard environment according
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* Reachable internally under a domain such as defguard.example.com
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* 1 server running Defguard Proxy
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* Located in a DMZ network segment
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* Publicly accessible from the Internet under a domain such as enrolment.example.com
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* Publicly accessible from the Internet under a domain such as proxy.example.com
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* 1 server running Defguard Gateway
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* Located in a DMZ network segment
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* Publicly accessible from the Internet under a domain such as vpn.example.com
@@ -30,7 +30,7 @@ Confirm that your firewall rules align with Defguard’s secure deployment model
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| Component | Allowed inbound | Blocked inbound | Notes |
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| --------- | -------------------------------------------------------------------- | ------------------------- | ------------------------------------------------------ |
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| Core | TCP 443 (from internal/VPN only) gRPC port (from Proxy and Gateway) | All public traffic | Core should never be directly exposed to the Internet. |
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| Proxy | TCP 443 (from public Internet) gRPC port (from Core) | All other inbound traffic | Used for enrolment and client configuration. |
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| Proxy | TCP 443 (from public Internet) gRPC port (from Core) | All other inbound traffic | Used for enrollment and client configuration. |
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| Gateway | UDP VPN port (e.g. 50555) gRPC port (from Core) | All other inbound traffic | Only VPN and Core communication should be allowed. |
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## Verify DNS resolution
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```
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dig +short vpn.example.com
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dig +short enrolment.example.com
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dig +short proxy.example.com
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dig +short defguard.example.com
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```
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Expected results:
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| Domain | Expected IP Type | Description |
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| --------------------- | ------------------- | ------------------------------------------------------ |
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| vpn.example.com | Public IP | Gateway server reachable from the Internet |
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| enrolment.example.com | Public IP | Proxy server for enrolment and configuration |
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| defguard.example.com | Private/Internal IP | Core server, accessible only from internal/VPN network |
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| Domain | Expected IP Type | Description |
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| -------------------- | ------------------- | ------------------------------------------------------ |
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| vpn.example.com | Public IP | Gateway server reachable from the Internet |
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| proxy.example.com | Public IP | Proxy server for enrollment and configuration |
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| defguard.example.com | Private/Internal IP | Core server, accessible only from internal/VPN network |
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## Test the environment
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@@ -92,7 +92,7 @@ Interpretation:
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Check the open ports on your Defguard Proxy server:
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```
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sudo nmap -Pn -sS enrolment.example.com
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sudo nmap -Pn -sS proxy.example.com
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```
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Expected output:

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