@@ -25,6 +25,8 @@ DNS security policy offers the ability to filter and log DNS queries at the virt
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- Create rules to protect against DNS-based attacks by blocking name resolution of known or malicious domains.
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- Save and view detailed DNS logs to gain inside into your DNS traffic.
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+ DNS security policy applies to both public and private DNS traffic within a VNet.
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DNS logs can be sent to a storage account, log analytics workspace, or event hubs. You can choose to allow, alert, or block DNS queries.
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A DNS security policy has the following associated elements and properties:
@@ -102,10 +104,21 @@ Preview access
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Virtual network restrictions:
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- DNS security policies can only be applied to VNets in the same region as the DNS security policy.
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- - You can link one security policy per VNet. A single security policy can be associated to multiple VNets.
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+ - You can link one security policy per VNet.
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+ - During preview, a single security policy can be linked to 50 VNets. This limit is increased to 500 for general availability.
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+ Security policy restrictions:
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+ - During preview, up to 10 security policies are allowed per region. This limit is increased to 1000 for general availability.
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DNS traffic rule restrictions:
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- - During preview, up to 10 traffic rules are allowed per security policy. This limit will be increased to 100 for general availability.
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+ - During preview, up to 10 traffic rules are allowed per security policy. This limit is increased to 100 for general availability.
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+ Domain list restrictions:
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+ - During preview, up to 10 domain lists are allowed per region. This limit is increased to 1000 for general availability.
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+ Domain restrictions:
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+ - During preview, up to 1000 domains are allowed across all regions. This limit is increased to 100,000 for general availability.
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## Related content
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