{"id":5150,"date":"2018-03-07T07:00:46","date_gmt":"2018-03-07T03:30:46","guid":{"rendered":"https:\/\/www.apk.co.ir\/security-center\/?p=5150"},"modified":"2018-03-07T07:00:46","modified_gmt":"2018-03-07T03:30:46","slug":"mitigating-the-memcached-ddos-threat","status":"publish","type":"manual_kb","link":"https:\/\/www.apk.co.ir\/kb\/mitigating-the-memcached-ddos-threat\/","title":{"rendered":"\u0628\u0632\u0631\u06af\u062a\u0631\u06cc\u0646 \u062d\u0645\u0644\u0647\u200c\u06cc DDoS \u0628\u0631 \u0631\u0648\u06cc \u0633\u0631\u0648\u0631\u0647\u0627\u06cc Memcached"},"content":{"rendered":"

\u0627\u062e\u06cc\u0631\u0627\u064b \u0686\u0646\u062f\u06cc\u0646 \u0634\u0631\u06a9\u062a\u200c \u0627\u0645\u0646\u06cc\u062a\u06cc\u060c \u0645\u0648\u062c\u06cc \u0627\u0632 \u062d\u0645\u0644\u0647\u200c\u0647\u0627\u06cc \u06af\u0633\u062a\u0631\u062f\u0647\u200c\u06cc UDP Amplification<\/a> \u0631\u0627 \u0634\u0646\u0627\u0633\u0627\u06cc\u06cc \u0646\u0645\u0648\u062f\u0646\u062f \u06a9\u0647 \u062f\u0631 \u0648\u0627\u0642\u0639 \u0627\u06cc\u0646 \u062d\u0645\u0644\u0647\u200c\u0647\u0627 \u0627\u0632 \u0622\u0633\u06cc\u0628\u200c\u067e\u0630\u06cc\u0631\u06cc\u200c\u0647\u0627\u06cc \u0633\u0631\u0648\u0631\u0647\u0627\u06cc Memcached<\/a> \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u06a9\u0631\u062f\u0646\u062f. \u0627\u06cc\u0646 \u0622\u0633\u06cc\u0628\u200c\u067e\u0630\u06cc\u0631\u06cc\u200c\u0647\u0627 \u0633\u0631\u0639\u062a \u0628\u0631\u0646\u0627\u0645\u0647\u200c\u0647\u0627\u06cc \u0648\u0628\u0650 Dynamic \u0631\u0627 \u0628\u0627 Cache \u0646\u0645\u0648\u062f\u0646 Object\u0647\u0627 \u0648 \u062f\u0627\u062f\u0647\u200c\u0647\u0627 \u062f\u0631 RAM \u0628\u0627\u0644\u0627 \u0645\u06cc\u200c\u0628\u0631\u062f\u0646\u062f.<\/p>\n

\u0628\u0627 \u062a\u0648\u062c\u0647 \u0628\u0647 \u0627\u06cc\u0646 \u06a9\u0647 \u0627\u06cc\u0646 \u062d\u0645\u0644\u0647\u200c\u0647\u0627 \u0645\u0634\u0627\u0628\u0647 DNS Reflection \u0628\u0648\u062f\u0646\u062f\u060c \u062a\u062d\u0644\u06cc\u0644\u200c\u06af\u0631\u0627\u0646 \u0627\u0645\u0646\u06cc\u062a\u06cc \u0645\u0633\u06cc\u0631 \u062d\u0645\u0644\u0647\u200c\u06cc (Attack Vector\u200c) \u062c\u062f\u06cc\u062f \u0631\u0627 \u00abMemcached Reflection\u00bb \u0646\u0627\u0645\u200c\u06af\u0630\u0627\u0631\u06cc \u0646\u0645\u0648\u062f\u0646\u062f. \u0628\u0646\u0627 \u0628\u0647 \u06af\u0641\u062a\u0647\u200c\u06cc \u0627\u064f\u0644\u06cc\u0648\u0631 \u0622\u062f\u0627\u0645\u060c \u06cc\u06a9\u06cc \u0627\u0632 \u0627\u0639\u0636\u0627\u06cc \u062a\u06cc\u0645 Link11\u060c \u00ab\u0645\u0647\u0627\u062c\u0645\u06cc\u0646 \u0627\u0632 \u062a\u062c\u0647\u06cc\u0632\u0627\u062a \u0633\u06cc\u0633\u062a\u0645 Caching \u0631\u0627\u06cc\u06af\u0627\u0646\u06cc \u06a9\u0647 \u062f\u0627\u0631\u0627\u06cc \u0627\u0645\u0646\u06cc\u062a \u067e\u0627\u06cc\u06cc\u0646\u06cc \u0645\u06cc\u200c\u0628\u0627\u0634\u062f \u0633\u0648\u0621\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0646\u0645\u0648\u062f\u0646\u062f \u0648 \u0627\u06cc\u0646 \u0633\u06cc\u0633\u062a\u0645 \u0627\u0632 \u0637\u0631\u06cc\u0642 \u067e\u0648\u0631\u062a 11211 UDP \u06a9\u0647 \u0628\u0631\u0627\u06cc \u062e\u0648\u0627\u0646\u062f\u0646 \u0648 \u0646\u0648\u0634\u062a\u0646 \u062f\u0627\u062f\u0647 \u0648 \u0647\u0645\u0686\u0646\u06cc\u0646 \u062a\u062d\u0644\u06cc\u0644\u200c\u0647\u0627\u06cc Query \u0645\u06cc\u200c\u0628\u0627\u0634\u062f\u060c \u0628\u0647 \u0635\u0648\u0631\u062a \u0646\u0627\u0627\u0645\u0646 \u0642\u0627\u0628\u0644 \u062f\u0633\u062a\u0631\u0633 \u0627\u0633\u062a.\u00bb<\/p>\n

\u0645\u0627\u0631\u0650\u06a9 \u0645\u062c\u06a9\u0627\u0633\u06a9\u06cc \u0627\u0632 \u0634\u0631\u06a9\u062a Cloudflare \u06a9\u0647 \u062d\u0645\u0644\u0647\u200c\u0647\u0627\u06cc \u062c\u062f\u06cc\u062f \u0631\u0627 \u00abMemcrashed\u00bb \u062e\u0648\u0627\u0646\u062f\u0647 \u0648 \u0627\u0634\u0627\u0631\u0647 \u0646\u0645\u0648\u062f \u06a9\u0647 \u0645\u062a\u0627\u0633\u0641\u0627\u0646\u0647 Memcashed \u0628\u0633\u062a\u0631 \u0645\u0646\u0627\u0633\u0628\u06cc \u0628\u0631\u0627\u06cc \u0627\u06cc\u0646 \u0646\u0648\u0639 \u062d\u0645\u0644\u0647\u200c\u0647\u0627 \u0645\u06cc\u200c\u0628\u0627\u0634\u062f. \u0628\u0647 \u0628\u06cc\u0627\u0646 \u0645\u062c\u06a9\u0627\u0633\u06a9\u06cc\u060c \u0645\u062a\u0627\u0633\u0641\u0627\u0646\u0647 \u0627\u0632 \u0622\u0646\u062c\u0627 \u06a9\u0647 \u0647\u06cc\u0686\u200c\u06af\u0648\u0646\u0647 \u0628\u0627\u0632\u0631\u0633\u06cc \u0627\u0646\u062c\u0627\u0645 \u0646\u0645\u06cc\u200c\u0634\u0648\u062f \u0648 \u062f\u0627\u062f\u0647 \u0628\u0627 \u0633\u0631\u0639\u062a\u06cc \u0628\u0627\u0648\u0631\u0646\u06a9\u0631\u062f\u0646\u06cc \u0628\u0647 \u0645\u0634\u062a\u0631\u06cc \u062a\u062d\u0648\u06cc\u0644 \u062f\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f \u0627\u06cc\u0646 \u067e\u0631\u0648\u062a\u06a9\u0644 \u0628\u0631\u0627\u06cc Amplification \u0627\u06cc\u062f\u0647\u200c\u0622\u0644 \u0645\u062d\u0633\u0648\u0628 \u0645\u06cc\u200c\u06af\u0631\u062f\u062f.<\/p>\n

\u0645\u062d\u0642\u0642\u0627\u0646 \u062a\u06cc\u0645 Nexusguard \u062f\u0631 \u0628\u0631\u0631\u0633\u06cc \u0627\u06cc\u0646 \u062a\u0647\u062f\u06cc\u062f \u0627\u0638\u0647\u0627\u0631 \u0646\u0645\u0648\u062f\u0646\u062f \u06a9\u0647 \u0627\u06cc\u0646 \u062d\u0645\u0644\u0647 \u062f\u0627\u0631\u0627\u06cc \u0641\u0627\u06a9\u062a\u0648\u0631 Amplification \u06f5\u06f1\u06f0\u06f0\u06f0 \u0628\u0648\u062f\u0647 \u0648 \u0628\u0633\u06cc\u0627\u0631 \u0634\u062f\u06cc\u062f\u062a\u0631 \u0627\u0632 \u062a\u0645\u0627\u0645 \u062d\u0645\u0644\u0627\u062a\u06cc \u0627\u0633\u062a \u06a9\u0647 \u062a\u0627 \u0628\u0647 \u062d\u0627\u0644 \u062f\u06cc\u062f\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a. \u0628\u0627 \u062a\u0648\u062c\u0647 \u0628\u0647 \u0627\u06cc\u0646\u06a9\u0647 \u062d\u0645\u0644\u0647\u200c\u06cc \u0633\u0627\u0644 \u06f2\u06f0\u06f1\u06f6 \u06a9\u0647 \u0628\u0631 \u0631\u0648\u06cc \u06cc\u06a9 \u0627\u0631\u0627\u0626\u0647\u200c\u062f\u0647\u0646\u062f\u0647\u200c\u06cc DNS \u0628\u0647 \u0646\u0627\u0645 DynDNS \u0627\u0646\u062c\u0627\u0645 \u0634\u062f \u0648 \u067e\u0644\u062a\u0641\u0631\u0645\u200c\u0647\u0627 \u0648 \u0633\u0631\u0648\u06cc\u0633\u200c\u0647\u0627\u06cc \u0627\u06cc\u0646\u062a\u0631\u0646\u062a\u06cc \u0628\u0632\u0631\u06af \u062f\u0631 \u0627\u0631\u0648\u067e\u0627 \u0648 \u0622\u0645\u0631\u06cc\u06a9\u0627\u06cc \u0634\u0645\u0627\u0644\u06cc \u0631\u0627 \u0622\u0641\u0644\u0627\u06cc\u0646 \u0646\u0645\u0648\u062f\u060c \u062f\u0627\u0631\u0627\u06cc \u0641\u0627\u06a9\u062a\u0648\u0631 Amplification \u06f5\u06f5 \u0628\u0648\u062f\u060c \u062f\u0631\u0646\u062a\u06cc\u062c\u0647 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u0628\u0647 \u0639\u0645\u0642 \u0634\u062f\u062a \u0627\u06cc\u0646 \u062d\u0645\u0644\u0647 \u067e\u06cc \u0628\u0631\u062f.<\/p>\n

\u0634\u0631\u06a9\u062a GitHub<\/a> \u0627\u0630\u0639\u0627\u0646 \u062f\u0627\u0634\u062a \u06a9\u0647 \u0628\u0632\u0631\u06af\u200c\u062a\u0631\u06cc\u0646 \u062d\u0645\u0644\u0647\u200c\u06cc DDoS<\/a> \u06a9\u0647 \u062a\u0627\u06a9\u0646\u0648\u0646 \u062b\u0628\u062a \u0634\u062f\u0647 \u0627\u0633\u062a\u060c \u0627\u062e\u06cc\u0631\u0627\u064b \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0627\u06cc\u0646 \u0634\u06cc\u0648\u0647\u200c \u0633\u0627\u06cc\u062a GitHub.com \u0631\u0627 \u0645\u0648\u0631\u062f \u0647\u062f\u0641 \u0642\u0631\u0627\u0631 \u06af\u0631\u0641\u062a\u0647 \u0627\u0633\u062a. \u0628\u0647 \u06af\u0641\u062a\u0647\u200c\u06cc \u0633\u0645 \u06a9\u0648\u062a\u0644\u0631\u060c \u0645\u062f\u06cc\u0631 \u0645\u0647\u0646\u062f\u0633\u06cc Reliability \u0633\u0627\u06cc\u062a GitHub\u060c \u062d\u0645\u0644\u0647 \u0627\u0632 \u0628\u06cc\u0634 \u0627\u0632 \u0647\u0632\u0627\u0631 \u0633\u06cc\u0633\u062a\u0645 \u0645\u0633\u062a\u0642\u0644 (ASN) \u0628\u0631 \u0631\u0648\u06cc \u062f\u0647\u200c\u0647\u0627 \u0647\u0632\u0627\u0631 Endpoint \u0645\u0646\u062d\u0635\u0631\u0628\u0647\u200c\u0641\u0631\u062f \u0622\u063a\u0627\u0632 \u0634\u062f. \u0627\u06cc\u0646 \u062d\u0645\u0644\u0647\u060c \u0627\u0632 \u0646\u0648\u0639 Amplification \u0628\u0648\u062f \u06a9\u0647 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0631\u0648\u06cc\u06a9\u0631\u062f \u0645\u0628\u062a\u0646\u06cc \u0628\u0631 Memcached \u06a9\u0647 \u0628\u0627\u0644\u0627\u062a\u0631\u06cc\u0646 \u0633\u0631\u0639\u062a\u0634 Tbps 1.35 \u0628\u0648\u062f \u0648 \u0627\u0632 \u0637\u0631\u06cc\u0642 126.9 \u0645\u06cc\u0644\u06cc\u0648\u0646 Packet \u062f\u0631 \u0647\u0631 \u062b\u0627\u0646\u06cc\u0647\u060c \u0627\u0646\u062c\u0627\u0645 \u06af\u0631\u062f\u06cc\u062f.<\/p>\n

\u0627\u0642\u062f\u0627\u0645\u0627\u062a \u067e\u06cc\u0634\u06af\u06cc\u0631\u0627\u0646\u0647<\/strong><\/p>\n

\u0645\u062c\u06a9\u0627\u0633\u06a9\u06cc \u062f\u0631 \u0627\u062f\u0627\u0645\u0647 \u0627\u0641\u0632\u0648\u062f \u0627\u0632 \u0622\u0646\u062c\u0627 \u06a9\u0647 \u0627\u06cc\u0646 \u062a\u0647\u062f\u06cc\u062f \u0647\u0646\u0648\u0632 \u062c\u062f\u06cc \u0648 \u0645\u0647\u0645 \u0645\u062d\u0633\u0648\u0628 \u0645\u06cc\u200c\u0634\u0648\u062f\u060c \u062a\u0627\u06a9\u0646\u0648\u0646 \u06f5\u06f7\u06f2\u06f9 \u0622\u062f\u0631\u0633 Source IP \u0645\u0646\u062d\u0635\u0631\u0628\u0647\u200c\u0641\u0631\u062f \u0633\u0631\u0648\u0631\u0647\u0627\u06cc Memcached \u0634\u0646\u0627\u0633\u0627\u06cc\u06cc \u0634\u062f\u0647\u200c \u0648 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u0628\u0647 \u0633\u0627\u062f\u06af\u06cc \u0627\u0632 \u0637\u0631\u06cc\u0642 Shodan \u0628\u06cc\u0634 \u0627\u0632 \u06f8\u06f8\u06f0\u06f0\u06f0 \u0633\u0631\u0648\u0631 \u0628\u0627\u0632 Memcached \u0631\u0627 \u067e\u06cc\u062f\u0627 \u06a9\u0631\u062f. \u0628\u0646\u0627 \u0628\u0647 \u062a\u0648\u0635\u06cc\u0647\u200c\u06cc \u0627\u06cc\u0634\u0627\u0646\u060c \u062f\u0631\u0635\u0648\u0631\u062a\u06cc \u06a9\u0647 \u0627\u0632 Memcached \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u06a9\u0646\u06cc\u062f \u0648 UDP Support \u0628\u0644\u0627\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0633\u062a\u060c \u062d\u062a\u0645\u0627 \u0622\u0646 \u0631\u0627 \u063a\u06cc\u0631\u0641\u0639\u0627\u0644 \u0646\u0645\u0627\u06cc\u06cc\u062f. \u0628\u0631\u0627\u06cc \u0627\u06cc\u0646 \u0645\u0646\u0638\u0648\u0631 \u062f\u0631 \u062d\u06cc\u0646 \u0628\u0627\u0644\u0627 \u0622\u0645\u062f\u0646 Memcached \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u062f\u0633\u062a\u0648\u0631–listen 127.0.0.1 \u00a0\u0622\u0646 \u0631\u0627 \u0645\u062d\u062f\u0648\u062f \u0628\u0647 Localhost \u06a9\u0646\u06cc\u062f \u0648 \u06cc\u0627 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u062f\u0633\u062a\u0648\u0631 \u2013U 0 \u0628\u0647 \u0637\u0648\u0631 \u06a9\u0644\u06cc \u067e\u0631\u0648\u062a\u06a9\u0644 UDP \u0631\u0627 \u063a\u06cc\u0631\u0641\u0639\u0627\u0644 \u0646\u0645\u0627\u06cc\u06cc\u062f.<\/p>\n

\u0645\u062c\u06a9\u0627\u0633\u06a9\u06cc \u0645\u0648\u06a9\u062f\u0627\u064b \u0627\u0632 \u062a\u0645\u0627\u0645 Developer\u0647\u0627 \u062e\u0648\u0627\u0633\u062a \u06a9\u0647 \u0627\u0632 UDP \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0646\u06a9\u0646\u0646\u062f \u0648 \u062f\u0631 \u0635\u0648\u0631\u062a\u06cc \u06a9\u0647 \u0646\u0627\u06af\u0632\u06cc\u0631 \u0628\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0647\u0633\u062a\u0646\u062f\u060c \u0628\u0647 \u0647\u06cc\u0686 \u0639\u0646\u0648\u0627\u0646 \u0622\u0646 \u0631\u0627 \u0628\u0647 \u0635\u0648\u0631\u062a Default \u0641\u0639\u0627\u0644 \u0646\u0646\u0645\u0627\u06cc\u0646\u062f. \u0648\u06cc \u0627\u0636\u0627\u0641\u0647 \u06a9\u0631\u062f \u06a9\u0647 \u0627\u06af\u0631 \u0627\u0632 \u0634\u062f\u062a \u0645\u06cc\u0632\u0627\u0646 \u062e\u0637\u0631 \u062d\u0645\u0644\u0647\u200c\u06cc Amplification \u0628\u06cc\u200c\u0627\u0637\u0644\u0627\u0639 \u0647\u0633\u062a\u06cc\u062f\u060c \u0647\u0631\u06af\u0632 \u062f\u0633\u062a\u0648\u0631 \u00a0SOCK_DGRAM \u0631\u0627 \u062f\u0631 \u0648\u06cc\u0631\u0627\u0633\u062a\u0627\u0631 (Editor) \u062e\u0648\u062f \u062a\u0627\u06cc\u067e \u0646\u06a9\u0646\u06cc\u062f.<\/p>\n

\u0631\u0648\u0646\u0627\u0644\u062f \u062f\u0627\u0628\u06cc\u0646\u0632\u060c \u06a9\u0627\u0631\u0634\u0646\u0627\u0633 \u0627\u0631\u0634\u062f \u0634\u0631\u06a9\u062a Arbor Networks \u062f\u0631 \u06cc\u06a9 \u067e\u0633\u062a \u0648\u0628\u0644\u0627\u06af\u06cc \u0646\u0648\u0634\u062a \u06a9\u0647 \u0622\u0645\u0627\u062f\u06af\u06cc \u0634\u0646\u0627\u0633\u0627\u06cc\u06cc\u060c \u062f\u0633\u062a\u0647\u200c\u0628\u0646\u062f\u06cc\u060c \u0631\u062f\u06cc\u0627\u0628\u06cc \u0648 \u06a9\u0627\u0647\u0634 \u0627\u06cc\u0646 \u062d\u0645\u0644\u0627\u062a \u0648 \u0647\u0645\u0686\u0646\u06cc\u0646 \u0627\u0637\u0645\u06cc\u0646\u0627\u0646 \u0627\u0632 \u0627\u06cc\u0646\u06a9\u0647 \u0646\u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u0627\u0632 \u0647\u06cc\u0686\u200c\u06cc\u06a9 \u0627\u0632 \u062a\u0627\u0633\u06cc\u0633\u0627\u062a Memcached \u062f\u0631 \u0634\u0628\u06a9\u0647\u200c\u0647\u0627\u06cc \u0622\u0646\u200c\u0647\u0627 \u0648 \u06cc\u0627 \u062f\u0631 \u0634\u0628\u06a9\u0647\u200c\u0647\u0627\u06cc End Customer \u0622\u0646\u200c\u0647\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 Reflector \u06cc\u0627 Amplifier \u0633\u0648\u0621\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0646\u0645\u0648\u062f\u060c \u0628\u0631\u0627\u06cc \u0627\u067e\u0631\u0627\u062a\u0648\u0631\u0647\u0627\u06cc \u0634\u0628\u06a9\u0647 \u0628\u0633\u06cc\u0627\u0631 \u062d\u0627\u0626\u0632 \u0627\u0647\u0645\u06cc\u062a \u0627\u0633\u062a.<\/p>\n

\u0645\u062a\u200c \u06a9\u0627\u062a\u0648\u0631\u0646\u060c \u0645\u0639\u0627\u0648\u0646 \u0628\u062e\u0634 \u0627\u0645\u0646\u06cc\u062a \u0634\u0631\u06a9\u062a ExtraHop \u0627\u0638\u0647\u0627\u0631 \u062f\u0627\u0634\u062a \u06a9\u0647 \u0627\u0648\u0644\u06cc\u0646 \u0642\u062f\u0645 \u062f\u0631 \u0627\u06cc\u0645\u0646\u200c\u0633\u0627\u0632\u06cc \u0647\u0631 \u0686\u06cc\u0632\u060c \u0634\u0646\u0627\u062e\u062a \u0622\u0646 \u0627\u0633\u062a. \u062a\u0648\u0627\u0646\u0627\u06cc\u06cc \u0646\u0638\u0627\u0631\u062a \u0628\u0647 \u0637\u0631\u062d\u200c\u0647\u0627\u06cc \u062a\u0631\u0627\u0641\u06cc\u06a9\u060c \u062a\u0631\u0627\u06a9\u0646\u0634\u200c\u0647\u0627 \u0648 \u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc\u200c\u0647\u0627\u06cc \u0633\u0631\u0648\u06cc\u0633 \u0627\u0632 \u062f\u06cc\u062f\u06af\u0627\u0647 \u0634\u0628\u06a9\u0647\u060c \u0642\u062f\u0645\u06cc \u062d\u06cc\u0627\u062a\u06cc \u062f\u0631 \u062f\u0631\u06a9 \u0648 \u0627\u0639\u062a\u0628\u0627\u0631\u0633\u0646\u062c\u06cc \u0631\u0641\u062a\u0627\u0631 \u0633\u06cc\u0633\u062a\u0645\u200c\u0647\u0627 \u0648 \u0633\u0631\u0648\u06cc\u0633\u200c\u0647\u0627\u06cc\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0622\u0646\u200c\u0647\u0627 \u0627\u0631\u0627\u0626\u0647 \u0645\u06cc\u200c\u0646\u0645\u0627\u06cc\u0646\u062f.\u00bb<\/p>\n

\u0633\u0627\u0645\u06cc \u0645\u06cc\u06af\u0648\u0626\u0633\u060c \u06cc\u06a9\u06cc \u0627\u0632 \u0645\u062d\u0642\u06cc\u0642\u0646 \u062a\u0647\u062f\u06cc\u062f\u0627\u062a \u0627\u0645\u0646\u06cc\u062a\u06cc \u0634\u0631\u06a9\u062a Synopsys \u0628\u06cc\u0627\u0646 \u062f\u0627\u0634\u062a \u06a9\u0647 \u062a\u0645\u0627\u0645\u06cc \u0627\u067e\u0631\u0627\u062a\u0648\u0631\u0647\u0627\u06cc \u062f\u0627\u0631\u0627\u06cc \u0633\u0631\u0648\u0631\u0647\u0627\u06cc Memcached\u060c \u0628\u0627\u06cc\u062f \u0628\u0631\u0627\u06cc \u06a9\u0627\u0647\u0634 \u062e\u0637\u0631\u060c \u0633\u0647 \u0627\u0642\u062f\u0627\u0645 \u06a9\u0644\u06cc\u062f\u06cc \u0632\u06cc\u0631 \u0631\u0627 \u062f\u0631 \u0645\u062c\u0645\u0648\u0639\u0647\u200c\u0647\u0627\u06cc \u062e\u0648\u062f \u0627\u0639\u0645\u0627\u0644 \u06a9\u0646\u0646\u062f:<\/p>\n

    \n
  1. \u0627\u0637\u0645\u06cc\u0646\u0627\u0646 \u0627\u0632 \u0639\u062f\u0645 \u0628\u0631\u0642\u0631\u0627\u0631\u06cc \u0627\u0631\u062a\u0628\u0627\u0637 \u0628\u06cc\u0646 \u0633\u0631\u0648\u0631 Memcached \u0648 \u0641\u0636\u0627\u06cc \u0627\u06cc\u0646\u062a\u0631\u0646\u062a.<\/li>\n
  2. \u0641\u0627\u06cc\u0631\u0648\u0627\u0644 \u0645\u0631\u0632\u06cc \u062a\u0645\u0627\u0645\u06cc \u0634\u0628\u06a9\u0647\u200c\u0647\u0627\u060c \u0628\u0644\u0627\u0641\u0627\u0635\u0644\u0647 \u062a\u0645\u0627\u0645 \u062f\u0633\u062a\u0631\u0633\u06cc\u200c\u0647\u0627 \u0627\u0632 \u0627\u06cc\u0646\u062a\u0631\u0646\u062a \u0628\u0647 \u067e\u0648\u0631\u062a 11211 UDP \u0631\u0627 \u0645\u0633\u062f\u0648\u062f \u0646\u0645\u0627\u06cc\u062f.<\/li>\n
  3. \u062f\u0631 \u062a\u0645\u0627\u0645 \u0633\u0631\u0648\u0631\u0647\u0627\u06cc Memcached\u060c UDP \u063a\u06cc\u0631\u0641\u0639\u0627\u0644 \u0634\u0648\u062f.<\/li>\n<\/ol>\n

    \u0648\u06cc \u0627\u0641\u0632\u0648\u062f \u062f\u0631 \u0632\u06cc\u0631\u0633\u0627\u062e\u062a\u200c\u0647\u0627\u06cc \u0628\u0627 \u0627\u0628\u0639\u0627\u062f \u06af\u0633\u062a\u0631\u062f\u0647\u200c\u062a\u0631\u060c IPS\u0647\u0627 \u200c\u0628\u0627\u06cc\u062f Packet\u0647\u0627\u06cc Spoof<\/a> \u0634\u062f\u0647 \u0631\u0627 \u0627\u0632 \u0634\u0628\u06a9\u0647\u200c\u0647\u0627\u06cc \u0641\u0639\u0644\u06cc\u200c\u0634\u0627\u0646 \u0645\u0633\u062f\u0648\u062f \u0646\u0645\u0648\u062f\u0647 \u0648 Developer\u0647\u0627\u06cc \u067e\u0631\u0648\u062a\u06a9\u0644 \u0646\u06cc\u0632 \u062f\u0631\u06a9 \u0628\u0647\u062a\u0631\u06cc \u0627\u0632 \u0628\u0627\u0632\u0631\u0633\u06cc\u200c\u0647\u0627\u06cc \u0633\u0631\u0639\u062a \u0648 \u062d\u0645\u0644\u0647\u200c\u0647\u0627\u06cc Amplification\u00a0 \u0628\u0647 \u062f\u0633\u062a \u0622\u0648\u0631\u0646\u062f.<\/p>\n","protected":false},"author":1001503,"featured_media":5154,"parent":0,"menu_order":0,"template":"","format":"standard","manualknowledgebasecat":[2970],"manual_kb_tag":[12805,12806,12807,12808,12809,12810,12811,12802,12812,12813,12803,12814,12804,12815,11962],"class_list":{"0":"post-5150","1":"manual_kb","2":"type-manual_kb","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"manualknowledgebasecat-security","8":"manual_kb_tag--udp-amplification","9":"manual_kb_tag---ddos","10":"manual_kb_tag---udp-amplification","13":"manual_kb_tag--memcached-","14":"manual_kb_tag---memcached","15":"manual_kb_tag-dns-reflection-","17":"manual_kb_tag-retails","18":"manual_kb_tag----memcached","22":"manual_kb_tag-advanced-threats"},"yoast_head":"\n\u0628\u0632\u0631\u06af\u062a\u0631\u06cc\u0646 \u062d\u0645\u0644\u0647\u200c\u06cc DDoS \u0628\u0631 \u0631\u0648\u06cc \u0633\u0631\u0648\u0631\u0647\u0627\u06cc Memcached<\/title>\n<meta name=\"description\" content=\"\u0628\u0647 \u062a\u0627\u0632\u06af\u06cc \u0645\u0648\u062c\u06cc \u0627\u0632 \u062d\u0645\u0644\u0647\u200c\u0647\u0627\u06cc \u06af\u0633\u062a\u0631\u062f\u0647\u200c\u06cc UDP Amplification \u062a\u062d\u062a \u0639\u0646\u0648\u0627\u0646 \u0628\u0632\u06af\u062a\u0631\u06cc\u0646 \u062d\u0645\u0644\u0647 DDoS \u0634\u0646\u0627\u0633\u0627\u06cc\u06cc \u0634\u062f\u0647 \u0627\u0633\u062a \u06a9\u0647 \u062f\u0631 \u0648\u0627\u0642\u0639 \u0627\u06cc\u0646 \u062d\u0645\u0644\u0627\u062a \u0627\u0632 \u0622\u0633\u06cc\u0628\u200c\u067e\u0630\u06cc\u0631\u06cc\u200c\u0647\u0627\u06cc \u0633\u0631\u0648\u0631\u0647\u0627\u06cc Memcached \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0646\u0645\u0648\u062f\u0647 \u0627\u0646 \u0648 \u0627\u06cc\u0646 \u0622\u0633\u06cc\u0628\u200c\u067e\u0630\u06cc\u0631\u06cc\u200c\u0647\u0627 \u0628\u0627\u0639\u062b \u0634\u062f\u0647 \u0627\u0646\u062f \u06a9\u0647 \u0633\u0631\u0639\u062a \u0628\u0631\u0646\u0627\u0645\u0647\u200c\u0647\u0627\u06cc \u0648\u0628\u0650 Dynamic \u0631\u0627 \u0628\u0627 Cache \u0646\u0645\u0648\u062f\u0646 Object\u0647\u0627 \u0648 \u062f\u0627\u062f\u0647\u200c\u0647\u0627 \u062f\u0631 RAM \u0628\u0627\u0644\u0627 \u0628\u0631\u0648\u062f \u0648 \u0633\u06cc\u0633\u062a\u0645 \u0631\u0627 \u062f\u0686\u0627\u0631 \u0627\u062e\u062a\u0644\u0627\u0644 \u0646\u0645\u0627\u06cc\u062f\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.apk.co.ir\/kb\/mitigating-the-memcached-ddos-threat\/\" \/>\n<meta property=\"og:locale\" content=\"fa_IR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u0628\u0632\u0631\u06af\u062a\u0631\u06cc\u0646 \u062d\u0645\u0644\u0647\u200c\u06cc DDoS \u0628\u0631 \u0631\u0648\u06cc \u0633\u0631\u0648\u0631\u0647\u0627\u06cc Memcached\" \/>\n<meta property=\"og:description\" content=\"\u0628\u0647 \u062a\u0627\u0632\u06af\u06cc \u0645\u0648\u062c\u06cc \u0627\u0632 \u062d\u0645\u0644\u0647\u200c\u0647\u0627\u06cc \u06af\u0633\u062a\u0631\u062f\u0647\u200c\u06cc UDP Amplification \u062a\u062d\u062a \u0639\u0646\u0648\u0627\u0646 \u0628\u0632\u06af\u062a\u0631\u06cc\u0646 \u062d\u0645\u0644\u0647 DDoS \u0634\u0646\u0627\u0633\u0627\u06cc\u06cc \u0634\u062f\u0647 \u0627\u0633\u062a \u06a9\u0647 \u062f\u0631 \u0648\u0627\u0642\u0639 \u0627\u06cc\u0646 \u062d\u0645\u0644\u0627\u062a \u0627\u0632 \u0622\u0633\u06cc\u0628\u200c\u067e\u0630\u06cc\u0631\u06cc\u200c\u0647\u0627\u06cc \u0633\u0631\u0648\u0631\u0647\u0627\u06cc Memcached \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0646\u0645\u0648\u062f\u0647 \u0627\u0646 \u0648 \u0627\u06cc\u0646 \u0622\u0633\u06cc\u0628\u200c\u067e\u0630\u06cc\u0631\u06cc\u200c\u0647\u0627 \u0628\u0627\u0639\u062b \u0634\u062f\u0647 \u0627\u0646\u062f \u06a9\u0647 \u0633\u0631\u0639\u062a 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