Iptrace route to epic5/20/2023 ![]() Each rule contains a list of IP filters and a collection of security actions that take place upon a match with that filter list:Įnsure that you meet the following prerequisites: Each policy can have one or more rules, all of which can be active simultaneously. It uses filter list and filter actions to create an IPsec rule to build the IPsec connection. Security rules: Rules govern how and when an IPsec policy protects communication. When a computer negotiates an IPsec session, it accepts or sends proposals based on the security setting stored in filter actions list. Filter actions are lists of security methods, ranked in order of preference. However, a given filter list can be incorporated into several IPsec policies.įilter actions: A security method defines a set of security algorithms, protocols, and key a computer offers during IKE negotiations. Filters can't be shared between filter lists. Each filter is defined inside a specific filter list. When network conditions match one or more of those filters, the filter list is activated. Each filter matches a particular set of conditions for example, packets sent from a particular subnet to a particular computer on a specific destination port. A filter defines if the communication gets blocked, allowed, or secured based on the following criteria: IP address ranges, protocols, or even specific ports. Each set of IPsec rules is associated with a filter list that affects the type of network traffic to which the rule applies.įilter lists: Filter lists are bundle of one or more filters. However, within the IPsec policy, you can define multiple actions that may be taken in different situations. A computer can be assigned only one active IPsec policy at given time. Only one policy can be active ("assigned") at any particular time. When configuring IPsec policy, it's important to understand the following IPsec policy terminology: IPSec policies are composed of the following items: Filter Lists, Filter Actions, and Security Rules. IPsec policy determines which IP traffic is secured and the security mechanism applied to the IP packets. In Windows, encryption is associated with IPsec policy. This diagram shows the IPsec tunnels in transit in ExpressRoute private peering. The Azure VMs and the on-premises hosts can resolve names properly using DNS. The Azure VMs and the on-premises host1 are part of the same domain. The Azure VMs and the on-premises host are running Windows 2016. The following diagram shows the interconnection and assigned IP address space. ![]()
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