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[enterprise-4.11] JIRA-OSDOCS3173: Updated AWS firewall allowlist #45329

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bergerhoffer merged 1 commit into from
May 4, 2022
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[enterprise-4.11] JIRA-OSDOCS3173: Updated AWS firewall allowlist #45329

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15 changes: 14 additions & 1 deletion modules/osd-aws-privatelink-firewall-prerequisites.adoc
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Original file line number Diff line number Diff line change
Expand Up @@ -4,7 +4,7 @@

:_content-type: PROCEDURE
[id="osd-aws-privatelink-firewall-prerequisites"]
= Firewall prerequisites
= AWS firewall prerequisites

[IMPORTANT]
====
Expand Down Expand Up @@ -73,6 +73,11 @@ This section provides the necessary details that enable you to control egress tr
|Provides core container images as a fallback when quay.io is not available.
|===
+
[NOTE]
====
Creating a firewall with a ROSA private cluster (non-PrivateLink) is not supported.
====
+
When you add a site such as `quay.io` to your allowlist, do not add a wildcard entry such as `*.quay.io` to your denylist. In most cases, image registries use a content delivery network (CDN) to serve images. If a firewall blocks access, then image downloads are denied when the initial download request is redirected to a host name such as `cdn01.quay.io`.
+
CDN host names, such as `cdn01.quay.io`, are covered when you add a wildcard entry, such as `.quay.io`, in your allowlist.
Expand Down Expand Up @@ -154,6 +159,14 @@ Alternatively, if you wish to not use a wildcard for Amazon Web Services (AWS) A
|`elasticloadbalancing.<aws_region>.amazonaws.com`
|443
|Used to install and manage clusters in an AWS environment.

|`servicequotas.<aws region>.amazonaws.com`
|443, 80
|Required. Used to confirm quotas for deploying the service.

|`tagging.<region>.amazonaws.com`
|443, 80
|Allows the assignment of metadata about AWS resources in the form of tags.
|===

. Allowlist the following OpenShift URLs:
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