If a network security group is associated to the network interface, or subnet that the network interface is in, ensure that rules exist to allow outbound connectivity over the previous ports. The ports mentioned in the latter two cases are common across all Network Watcher features that involve the Network Watcher extension and might occasionally change. to the chosen storage account over port 443.A virtual machine with the following outbound TCP connectivity:.An Azure account with an active subscription.In this article, you learn to start, stop, download, and delete a packet capture. Being able to remotely trigger packet captures, eases the burden of running a packet capture manually on a desired virtual machine, which saves valuable time. Other uses include gathering network statistics, gaining information on network intrusions, to debug client-server communication, and much more.
Packet capture helps to diagnose network anomalies, both reactively, and proactively. Filters are provided for the capture session to ensure you capture only the traffic you want. Network Watcher packet capture allows you to create capture sessions to track traffic to and from a virtual machine.
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