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Convert h1 to h2 (2.5)

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Billy Tat
2022-10-28 17:09:19 -07:00
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versioned_docs/version-2.5/getting-started/installation-and-upgrade/advanced-options/advanced-use-cases/open-ports-with-firewalld.md
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@@ -33,7 +33,7 @@ sudo iptables --list
This section describes how to use `firewalld` to apply the [firewall port rules](../../installation-requirements/port-requirements.md) for nodes in a high-availability Rancher server cluster.
# Prerequisite
## Prerequisite
Install v7.x or later ofv`firewalld`:
@@ -43,7 +43,7 @@ systemctl start firewalld
systemctl enable firewalld
```
# Applying Firewall Port Rules
## Applying Firewall Port Rules
In the Rancher high-availability installation instructions, the Rancher server is set up on three nodes that have all three Kubernetes roles: etcd, controlplane, and worker. If your Rancher server nodes have all three roles, run the following commands on each node:
versioned_docs/version-2.5/getting-started/installation-and-upgrade/advanced-options/enable-experimental-features/istio-traffic-management-features.md
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@@ -13,7 +13,7 @@ Environment Variable Key | Default Value | Status | Available as of
`istio-virtual-service-ui` |`false` | Experimental | v2.3.0
`istio-virtual-service-ui` | `true` | GA | v2.3.2
# About this Feature
## About this Feature
A central advantage of Istio's traffic management features is that they allow dynamic request routing, which is useful for canary deployments, blue/green deployments, or A/B testing.