# Manage DNS security policies in Route 53 Global Resolver
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## Managing global resolvers
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After creating a global resolver, you can view its details, edit its configuration, and manage associated resources from the Global Resolvers page.

### Viewing resolver details
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The Global Resolvers page displays a list of all your resolvers with key information including resolver name, deployed regions, associated DNS views, observability region, and operational status.

### Editing global resolvers
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You can modify the resolver name and description after creation. You cannot modify the regions where a global resolver is deployed after creation.

## Managing firewall rules
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After creating firewall rules, you can modify their priority, update their configuration, or delete them as needed.

### Rule priority and evaluation order
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Firewall rules are evaluated in priority order, with lower numbers processed first. When a query matches multiple rules, only the first matching rule's action is applied.

### Updating firewall rules
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You can update most aspects of a firewall rule after creation, including its priority, action, and target domains.