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BZ2102230: change rhcos redirector url #48037

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Jul 21, 2022
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BZ2102230: change rhcos redirector url #48037

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4 changes: 2 additions & 2 deletions modules/configuring-firewall.adoc
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Original file line number Diff line number Diff line change
Expand Up @@ -46,13 +46,13 @@ There are no special configuration considerations for services running on only c
|443, 80
|The `https://console.redhat.com/openshift` site uses authentication from `sso.redhat.com`

|`rhcos-redirector.apps.art.xq1c.p1.openshiftapps.com`
|`rhcos.mirror.openshift.com`
|443, 80
|Provides {op-system-first} images

|===
+
You can use the wildcards `\*.quay.io` and `*.openshiftapps.com` instead of `cdn0[1-3].quay.io` and `rhcos-redirector.apps.art.xq1c.p1.openshiftapps.com` in your allowlist.
You can use the wildcards `\*.quay.io` and `*.mirror.openshift.com` instead of `cdn0[1-3].quay.io` and `rhcos.mirror.openshift.com` in your allowlist.
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`.

. Allowlist any site that provides resources for a language or framework that your builds require.
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