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[enterprise-4.6] OSDOCS-3853: add new redirector URL #48741

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[enterprise-4.6] OSDOCS-3853: add new redirector URL #48741

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9 changes: 3 additions & 6 deletions modules/configuring-firewall.adoc
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Original file line number Diff line number Diff line change
Expand Up @@ -30,10 +30,6 @@ There are no special configuration considerations for services running on only c
|443, 80
|Provides core container images

|`*.openshiftapps.com`
|443, 80
|Provides {op-system-first} images

|===
+
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 hostname such as `cdn01.quay.io`.
Expand Down Expand Up @@ -102,7 +98,7 @@ CDN hostnames, such as `cdn01.quay.io`, are covered when you add a wildcard entr

. Allowlist the following URLs:
+
[cols="3,2,4",options="header"]
[cols="8,2,4",options="header"]
|===
|URL | Port | Function

Expand All @@ -126,7 +122,8 @@ CDN hostnames, such as `cdn01.quay.io`, are covered when you add a wildcard entr
|443, 80
|Required both for your cluster token and to check if updates are available for the cluster.

|`art-rhcos-ci.s3.amazonaws.com`
|`rhcos-redirector.apps.art.xq1c.p1.openshiftapps.com`, +
`rhcos.mirror.openshift.com`
|443, 80
|Required to download {op-system-first} images.

Expand Down