Mikrotik firewall example6/4/2023 ![]() ![]() Port knocking is usually used to open ports on a firewall after connecting to a specified set of ports in a sequence. This is were port knocking comes in handy. In this scenario, the firewall would drop your requests and you would not b able to access the ports. Sometimes you may need to connect to the ports but you may not be connected to any of the IPs in the safe list. This is done simply by creating a “safe” access list, containing a list of the IPs retained as safe, and configure the firewall rules to accept connections on the port from the IPs listed in the safe list. When setting up routers or firewalls and we open management ports on the internet, we allow only trusted, safe, IPs to access these ports.
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