
This security break may cause private data being stolen and distributed, valuable data being altered or destroyed, or entire hard drives being erased. When a local network is connected to public networks, there is always a threat that someone from outside of your local network will break into your local network. We have to always fight against bad traffics. MikroTik administrators like you and me always expect to get good traffic entering to and passing from our MikroTik Router. The traffic is passing through MikroTik Router.The traffic is leaving from MikroTik Router or.Either the traffic is entering to MikroTik Router,.This good and bad traffic is doing one event among the following three events in MikroTik Router. MikroTik Firewall mainly filters good traffic or bad traffic and according to the definition of firewall it should allow good traffic and reject bad traffic. So, a MikroTik administrator should have enough knowledge on MikroTik Firewall and so this article is designed to discuss the basic concept on MikroTik Router Firewall. Actually, the main duty of a MikroTik administrator is to maintain Firewall properly along with Bandwidth management after completing MikroTik Router basic configuration. So, a network administrator who is using MikroTik Router in his network cannot go a single day without MikroTik Firewall. MikroTik Firewall functions as a network security tool for preventing unauthorized access to networks as well as provides Network Address Translation functionality.
