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MikroTik RouterOS has very powerful firewall implementation with features including: stateful packet inspection. Layer-7 protocol detection. peer-to-peer protocols filtering. traffic classification by: source MAC address. IP addresses (network or list) and address types (broadcast, local, multicast, unicast) port or port range. IP protocols.
Overview. We strongly suggest keeping the default firewall on. Here are a few adjustments to make it more secure. Make sure you configure additional changes when you completely understand the benefit of these particular firewall rules. To see the default firewall rules through the CLI you can type: /system default-configuration print. IPv4 firewall
