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Recommend turning off firewalld

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Catherine Luse
2020-10-05 13:56:55 -07:00
parent df79abbac5
commit 13661be13c
3 changed files with 4 additions and 2 deletions
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content/rancher/v2.x/en/cluster-provisioning/node-requirements/_index.md
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@@ -28,7 +28,7 @@ If you plan to use ARM64, see [Running on ARM64 (Experimental).]({{<baseurl>}}/r
For information on how to install Docker, refer to the official [Docker documentation.](https://docs.docker.com/)
Some distributions of Linux derived from RHEL, including Oracle Linux, may have default firewall rules that block communication with Helm. This [how-to guide]({{<baseurl>}}/rancher/v2.x/en/installation/options/firewall) shows how to check the default firewall rules and how to open the ports with `firewalld` if necessary.
Some distributions of Linux derived from RHEL, including Oracle Linux, may have default firewall rules that block communication with Helm. We recommend disabling firewalld. For Kubernetes 1.19, firewalld must be turned off.
SUSE Linux may have a firewall that blocks all ports by default. In that situation, follow [these steps](#opening-suse-linux-ports) to open the ports needed for adding a host to a custom cluster.
content/rancher/v2.x/en/installation/requirements/_index.md
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@@ -47,7 +47,7 @@ All supported operating systems are 64-bit x86.
The `ntp` (Network Time Protocol) package should be installed. This prevents errors with certificate validation that can occur when the time is not synchronized between the client and server.
Some distributions of Linux may have default firewall rules that block communication with Helm. This [how-to guide]({{<baseurl>}}/rancher/v2.x/en/installation/options/firewall) shows how to check the default firewall rules for Oracle Linux and how to open the ports with `firewalld` if necessary.
Some distributions of Linux may have default firewall rules that block communication with Helm. We recommend disabling firewalld. For Kubernetes 1.19, firewalld must be turned off.
If you plan to run Rancher on ARM64, see [Running on ARM64 (Experimental).]({{<baseurl>}}/rancher/v2.x/en/installation/options/arm64-platform/)
content/rancher/v2.x/en/installation/resources/advanced/firewall/_index.md
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@@ -3,6 +3,8 @@ title: Opening Ports with firewalld
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> We recommend disabling firewalld. For Kubernetes 1.19, firewalld must be turned off.
Some distributions of Linux [derived from RHEL,](https://en.wikipedia.org/wiki/Red_Hat_Enterprise_Linux#Rebuilds) including Oracle Linux, may have default firewall rules that block communication with Helm.
For example, one Oracle Linux image in AWS has REJECT rules that stop Helm from communicating with Tiller: