Overcoming Port Scanner with the Port Scan Detection (PSD) feature on Mikrotik
Port Scanner is an application used to view information or status of protocols and open ports from a device. With this application it could be the beginning of an attack on a resource on the network. When the protocol / port information has been obtained, the 'Hacker' can use it to exploit the protocol / port. For example, an example of a Distributed Denial of Service (DDoS) attack. Many applications can be used to perform port scanners such as nmap, netcut, unicornscan.
When a device is connected to the internet (public), one of the things to consider is security. To reduce all kinds of risks and losses caused by irresponsible parties, we as Network Administrators or network Support / Engineers are also required to always actively maintain and take precautions against security threats, especially in terms of networking.
Various kinds of actions that can be taken for prevention from the networking side. One way is to drop traffic from the Port Scanner application.
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Related articles can be learned:
Port Scan Detection (PSD)
citraweb.com/artikel_lihat.ph...
Drop port scanners
wiki.mikrotik.com/wiki/Drop_p...
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