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This allows packets to be matched against one common criterion in a single chain and then passes for processing against some other common criteria for another chain.įor example, the packet must match the IP address: port. Firewall filtering rules are grouped together in a chain.

Each rule consists of two parts – matcher that matches the traffic flow to the given condition and the action that defines what to do with the matching package. You can access the Mikrotik Firewall via Winbox via the IP menu -> Firewall Mikrotik Firewallįirewalls operate by using firewall rules.

IP addresses (network or list) and address types (broadcast, local, multicast, unicast).

MikroTik RouterOS has a very powerful firewall implementation with features including: Firewall if properly configured will play an important role in efficient network deployment and secure infrastructure. In addition to protecting the network, the firewall is also enabled to protect the user’s computer or host (host firewall).įirewalls are used as a means to prevent or minimize the inherent security risks in connecting to other networks. For example, the firewall is enabled to protect the local network (LAN) from possible attacks coming from the Internet. The firewall implements packet filtering and thus provides the security functions used to manage the data stream to, from and through the router. With these capabilities, the firewall plays a role in protecting the network from attacks originating from external networks (outside network). What is a Firewall?Ī firewall is a device that serves to check and determine the data packets that can exit or enter from a network. Previously let’s first learn what Firewall is. Learning Mikrotik: Basic Mikrotik Firewall – In this article, Mikrotik Networking will discuss the basic features of Firewall on Mikrotik Router.