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Block Memcached DDoS attack with mikrotik

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A memcached distributed denial-of-service (DDoS) attack is a type of cyber attack in which an attacker attempts to overload a targeted victim with internet traffic. The attacker spoofs requests to a vulnerable UDP memcached* server, which then floods a targeted victim with internet traffic, potentially overwhelming the victim’s resources. While the target’s internet infrastructure is overloaded, new requests cannot be processed and regular traffic is unable to access the internet resource, resulting in denial-of-service.

this below script how to Block Memcached DDoS attack with mikrotik

/ip firewall raw
add action=drop chain=prerouting comment="Block Memcached Publik" protocol=udp \
    src-address-list="[SUBNET PUBLIC IP]" src-port=11211
add action=drop chain=prerouting dst-port=11211 protocol=udp src-address-list=\
    "[SUBNET PUBLIC IP]"

hope this helps

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