diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8b1003da9d0..56b2c7a14e6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,5 @@
+- Added non-SUSE URLs to requirements in installation and Upgrade
+  Guide (bsc#1252665)
 - Fixed typo for command options in Reference Guide (bsc#1253174)
 - Added additional step for client deletion in Client Configuration
   Guide (bsc#1253249)
diff --git a/modules/installation-and-upgrade/pages/network-requirements.adoc b/modules/installation-and-upgrade/pages/network-requirements.adoc
index a500a68fd88..02c431fa2ea 100644
--- a/modules/installation-and-upgrade/pages/network-requirements.adoc
+++ b/modules/installation-and-upgrade/pages/network-requirements.adoc
@@ -312,6 +312,13 @@ In most cases, allowing access to these URLs is sufficient:
 * [literal]``installer-updates.suse.com``
 * [literal]``registry.suse.com``
 * [literal]``registry-storage.suse.com``
+* [literal]``opensuse.org``
+
+Additionally, you may need access to these URLs for non-SUSE products:
+
+* [literal]``download.nvidia.com``
+* [literal]``public.dhe.ibm.com``
+* [literal]``nu.novell.com``
 
 You can find additional details on whitelisting the specified URLs and their associated IP addresses in this article: https://www.suse.com/support/kb/doc/?id=000021034[Accessing {scclongform} and SUSE registry behind a firewall and/or through a proxy].