11/5/2023 0 Comments Log analytics workspaceIn such cases, create a single private link on a network that's accessible to your other networks. Such networks can share each other's IP addresses, and most likely share the same DNS. Network peering is used in various topologies, other than hub and spoke. You must also verify they don't share the same DNS zones to avoid DNS overrides. In such cases, you can create a dedicated private endpoint and AMPLS for each virtual network. You might prefer to create separate private links for your spoke virtual networks, for example, to allow each virtual network to access a limited set of monitoring resources. Hub-and-spoke networks should use a single private link connection set on the hub (main) network, and not on each spoke virtual network. To avoid this conflict, create only a single AMPLS object per DNS. Because these virtual networks aren't peered, the first virtual network now fails to reach these endpoints. Later, virtual network 10.0.2.x connects to AMPLS2, which overrides the same DNS entries by mapping the same global/regional endpoints to IPs from the range 10.0.2.x. In the following diagram, virtual network 10.0.1.x connects to AMPLS1, which creates DNS entries that map Azure Monitor endpoints to IPs from range 10.0.1.x. If these networks share the same DNS, setting up a private link on any of them would update the DNS and affect traffic across all networks. Some networks are composed of multiple virtual networks or other connected networks. Guiding principle: Avoid DNS overrides by using a single AMPLS Plan by network topologyĬonsider network topology in your planning process. We don't recommend this approach because it doesn't prevent data exfiltration. If you can't add all Azure Monitor resources to your AMPLS, you can still apply your private link to some resources, as explained in Control how private links apply to your networks. Block network egress traffic as much as possible.Add all Azure Monitor resources like Application Insights components, Log Analytics workspaces, and data collection endpoints to the AMPLS.If your networks are peered, create the private link connection on the shared (or hub) virtual network. ![]() ![]() Create a single private link connection, with a single private endpoint and a single Azure Monitor Private Link Scope (AMPLS). ![]() It also affects not only the network connected to the private endpoint but also all other networks that share the same DNS. That's especially true for Application Insights resources. Before you set up your instance of Azure Private Link, consider your network topology and your DNS routing topology.Īs discussed in Use Azure Private Link to connect networks to Azure Monitor, setting up a private link affects traffic to all Azure Monitor resources.
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