{"id":10027,"date":"2022-11-08T17:27:40","date_gmt":"2022-11-08T10:27:40","guid":{"rendered":""},"modified":"2024-07-31T16:07:36","modified_gmt":"2024-07-31T09:07:36","slug":"7-cong-cu-tan-cong-ddos-hang-dau-de-chong-lai-cac-cuoc-tan-cong-ddos","status":"publish","type":"post","link":"https:\/\/vnso.vn\/en\/7-cong-cu-tan-cong-ddos-hang-dau-de-chong-lai-cac-cuoc-tan-cong-ddos\/","title":{"rendered":"7 C\u00f4ng C\u1ee5 T\u1ea5n C\u00f4ng H\u00e0ng \u0110\u1ea7u \u0110\u1ec3 Ch\u1ed1ng L\u1ea1i DDoS"},"content":{"rendered":"<p style=\"text-align: justify;\"><span style=\"color: #000000;\">C\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng v\u00e0o m\u00e1y ch\u1ee7 ho\u1eb7c trang web c\u00f3 m\u1ee5c \u0111\u00edch l\u00e0m ch\u1eadm ch\u00fang \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 C\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng t\u1eeb ch\u1ed1i d\u1ecbch v\u1ee5 ph\u00e2n t\u00e1n.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">\u0110\u1ed1i v\u1edbi \u0111i\u1ec1u n\u00e0y, m\u1ed9t s\u1ed1 h\u1ec7 th\u1ed1ng s\u1eed d\u1ee5ng.\u00a0M\u1ed9t s\u1ed1 m\u00e1y t\u00ednh n\u00e0y kh\u1edfi \u0111\u1ed9ng m\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng DoS nh\u1eb1m v\u00e0o trang web ho\u1eb7c m\u00e1y ch\u1ee7 \u0111\u01b0\u1ee3c nh\u1eafm m\u1ee5c ti\u00eau.\u00a0Cu\u1ed9c t\u1ea5n c\u00f4ng n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 cu\u1ed9c t\u1ea5n c\u00f4ng t\u1eeb ch\u1ed1i d\u1ecbch v\u1ee5 ph\u00e2n t\u00e1n v\u00ec n\u00f3 th\u1ef1c hi\u1ec7n th\u00f4ng qua m\u1ed9t m\u1ea1ng ph\u00e2n t\u00e1n.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">N\u00f3i m\u1ed9t c\u00e1ch d\u1ec5 hi\u1ec3u, nhi\u1ec1u m\u00e1y h\u01a1n s\u1ebd th\u1ef1c hi\u1ec7n nhi\u1ec1u y\u00eau c\u1ea7u kh\u00f4ng c\u00f3 th\u1eadt \u0111\u1ebfn m\u1ee5c ti\u00eau.\u00a0C\u00e1c truy v\u1ea5n nh\u01b0 v\u1eady l\u1ea5n \u00e1t \u0111i\u1ec3m \u0111\u1ebfn, l\u00e0m cho c\u00e1c d\u1ecbch v\u1ee5 kh\u00f4ng kh\u1ea3 d\u1ee5ng cho c\u00e1c y\u00eau c\u1ea7u ho\u1eb7c ng\u01b0\u1eddi d\u00f9ng h\u1ee3p l\u1ec7.<\/span><\/p>\n<p><strong>&gt;&gt;&gt; Xem th\u00eam: <a href=\"https:\/\/vnso.vn\/en\/cach-dinh-cau-hinh-cai-dat-tuong-lua-va-chong-ddos\/\">C\u00e1ch \u0111\u1ecbnh c\u1ea5u h\u00ecnh c\u00e0i \u0111\u1eb7t t\u01b0\u1eddng l\u1eeda v\u00e0 ch\u1ed1ng DDoS<\/a><\/strong><\/p>\n<h2 style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong>M\u1ee5c \u0111\u00edch c\u1ee7a T\u1ea5n c\u00f4ng DDoS<\/strong><\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">M\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng DDoS th\u01b0\u1eddng nh\u1eb1m m\u1ee5c \u0111\u00edch \u0111\u00e1nh s\u1eadp trang web. Vi\u1ec7c t\u1ea5n c\u00f4ng DDoS nh\u1eafm v\u00e0o l\u1edbp \u1ee9ng d\u1ee5ng hay l\u1edbp m\u1ea1ng s\u1ebd quy\u1ebft \u0111\u1ecbnh th\u1eddi gian t\u1ed3n t\u1ea1i c\u1ee7a n\u00f3.\u00a0Th\u1eddi l\u01b0\u1ee3ng t\u1ed1i \u0111a c\u1ee7a m\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng l\u1edbp m\u1ea1ng l\u00e0 48-49 gi\u1edd.\u00a0C\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng v\u00e0o l\u1edbp \u1ee9ng d\u1ee5ng c\u00f3 th\u1ec3 k\u00e9o d\u00e0i \u0111\u1ebfn 70 ng\u00e0y.<\/span><\/p>\n<h2 style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong>C\u00e1c lo\u1ea1i t\u1ea5n c\u00f4ng DDoS<\/strong><\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong>C\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng DDoS c\u00f3 th\u1ec3 c\u00f3 3 lo\u1ea1i kh\u00e1c nhau:<\/strong><\/span><\/p>\n<p><span style=\"color: #000000;\">&#8211; C\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng l\u1edbp \u1ee9ng d\u1ee5ng<\/span><\/p>\n<p><span style=\"color: #000000;\">&#8211; C\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng giao th\u1ee9c<\/span><\/p>\n<p><span style=\"color: #000000;\">&#8211; C\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng d\u1ef1a tr\u00ean kh\u1ed1i l\u01b0\u1ee3ng<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong>K\u1ef9 thu\u1eadt t\u1ea5n c\u00f4ng DDoS<\/strong><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">Sau \u0111\u00e2y l\u00e0 c\u00e1c k\u1ef9 thu\u1eadt t\u1ea5n c\u00f4ng DDoS:<\/span><\/p>\n<p><span style=\"color: #000000;\">&#8211; SYN Flood<\/span><\/p>\n<p><span style=\"color: #000000;\">&#8211; UDP Flood<\/span><\/p>\n<p><span style=\"color: #000000;\">&#8211; Khu\u1ebfch \u0111\u1ea1i NTP<\/span><\/p>\n<p><span style=\"color: #000000;\">&#8211; ICMP (ping)<\/span><\/p>\n<p><span style=\"color: #000000;\">&#8211; Slowloris<\/span><\/p>\n<p><span style=\"color: #000000;\">&#8211; Ping of Death<\/span><\/p>\n<p><span style=\"color: #000000;\">&#8211; HTTP Flood<\/span><\/p>\n<h2 style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong>7 c\u00f4ng c\u1ee5 t\u1ea5n c\u00f4ng DDoS ph\u1ed5 bi\u1ebfn nh\u1ea5t<\/strong><\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">Sau \u0111\u00e2y l\u00e0 danh s\u00e1ch c\u00e1c c\u00f4ng c\u1ee5 DDoS ph\u1ed5 bi\u1ebfn nh\u1ea5t tr\u00ean th\u1ecb tr\u01b0\u1eddng.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong>SolarWinds Security Event Manager (SEM)<\/strong><\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">Tr\u00ecnh qu\u1ea3n l\u00fd s\u1ef1 ki\u1ec7n b\u1ea3o m\u1eadt t\u1eeb SolarWinds l\u00e0 c\u00f4ng c\u1ee5 ng\u0103n ch\u1eb7n v\u00e0 gi\u1ea3m thi\u1ec3u t\u1ea5n c\u00f4ng DDoS m\u1ea1nh m\u1ebd.\u00a0N\u00f3 s\u1ebd theo d\u00f5i nh\u1eadt k\u00fd s\u1ef1 c\u1ed1 t\u1eeb nhi\u1ec1u ngu\u1ed3n kh\u00e1c nhau \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh v\u00e0 d\u1eebng c\u00e1c h\u00e0nh \u0111\u1ed9ng DDoS.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">SEM s\u1ebd s\u1eed d\u1ee5ng danh s\u00e1ch c\u00e1c t\u00e1c nh\u00e2n \u0111\u1ed9c h\u1ea1i n\u1ed5i ti\u1ebfng c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb c\u1ed9ng \u0111\u1ed3ng \u0111\u1ec3 t\u00ecm k\u1ebft n\u1ed1i v\u1edbi c\u00e1c m\u00e1y ch\u1ee7 \u0111i\u1ec1u khi\u1ec3n v\u00e0 c\u00e1c l\u1ec7nh ti\u1ec1m n\u0103ng.\u00a0N\u00f3 thu th\u1eadp, duy tr\u00ec v\u00e0 ph\u00e2n t\u00edch nh\u1eadt k\u00fd t\u1eeb nhi\u1ec1u IDS \/ IP, m\u00e1y ch\u1ee7, t\u01b0\u1eddng l\u1eeda v\u00e0 c\u00e1c ngu\u1ed3n kh\u00e1c \u0111\u1ec3 th\u1ef1c hi\u1ec7n \u0111i\u1ec1u n\u00e0y.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong>\u0110\u1eb7c tr\u01b0ng:<\/strong><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">&#8211; B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c h\u1ed9p ki\u1ec3m trong c\u00f4ng c\u1ee5 \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh c\u00e1c t\u00f9y ch\u1ecdn.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">&#8211; SEM bao g\u1ed3m c\u00e1c ch\u1ee9c n\u0103ng g\u1eedi c\u1ea3nh b\u00e1o t\u1ef1 \u0111\u1ed9ng, ch\u1eb7n IP v\u00e0 \u0111\u00f3ng t\u00e0i kho\u1ea3n.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">&#8211; SEM s\u1ebd tr\u1edf th\u00e0nh m\u1ed9t \u0111\u1ea7u m\u1ed1i li\u00ean h\u1ec7 duy nh\u1ea5t cho c\u00e1c cu\u1ed9c \u0111i\u1ec1u tra gi\u1ea3m thi\u1ec3u DDoS. Ph\u00e1 v\u1ee1 sau DDoS nh\u1edd v\u00e0o ph\u01b0\u01a1ng th\u1ee9c b\u1ea3o tr\u00ec nh\u1eadt k\u00fd v\u00e0 s\u1ef1 ki\u1ec7n n\u00e0y.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">&#8211; N\u00f3 l\u01b0u tr\u1eef c\u00e1c s\u1ef1 ki\u1ec7n v\u00e0 nh\u1eadt k\u00fd \u1edf \u0111\u1ecbnh d\u1ea1ng ch\u1ec9 \u0111\u1ecdc kh\u00f4ng th\u1ec3 thay \u0111\u1ed5i \u0111\u01b0\u1ee3c n\u00e9n v\u00e0 m\u00e3 h\u00f3a.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">&#8211; B\u1ea1n c\u00f3 th\u1ec3 t\u1ea1o c\u00e1c b\u1ed9 l\u1ecdc t\u00f9y ch\u1ec9nh trong SEM d\u1ef1a tr\u00ean c\u00e1c t\u00e0i kho\u1ea3n \/ IP, khung th\u1eddi gian ho\u1eb7c k\u1ebft h\u1ee3p ti\u00eau ch\u00ed c\u1ee5 th\u1ec3.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong>DOSIM<\/strong><\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">DDoS Simulator \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 DDOSIM.\u00a0Ph\u1ea7n m\u1ec1m n\u00e0y s\u1eed d\u1ee5ng \u0111\u1ec3 m\u00f4 ph\u1ecfng m\u1ed9t cu\u1ed9c <a style=\"color: #000000;\" href=\"https:\/\/thuemaychudell.com\/\">t\u1ea5n c\u00f4ng DDoS<\/a>.\u00a0C\u1ea3 trang web v\u00e0 m\u1ea1ng \u0111\u1ec1u d\u1ec5 b\u1ecb t\u1ea5n c\u00f4ng.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong>\u0110\u1eb7c tr\u01b0ng:<\/strong><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">&#8211; M\u00e1y ch\u1ee7 v\u00e0 c\u00e1c m\u00e1y ch\u1ee7 n\u00e0y thi\u1ebft l\u1eadp k\u1ebft n\u1ed1i TCP \u0111\u1ea7y \u0111\u1ee7.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">&#8211; N\u00f3 s\u1eed d\u1ee5ng m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng l\u1edbn m\u00e1y ch\u1ee7 Zombie \u0111\u1ec3 t\u1ea5n c\u00f4ng m\u00e1y ch\u1ee7.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">&#8211; C\u00f3 th\u1ec3 x\u1ea3y ra c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng DDoS b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c truy v\u1ea5n sai.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">&#8211; N\u00f3 c\u00f3 th\u1ec3 kh\u1edfi ch\u1ea1y m\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng HTTP DDoS b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c y\u00eau c\u1ea7u h\u1ee3p ph\u00e1p.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">&#8211; N\u00f3 c\u00f3 th\u1ec3 t\u1ea5n c\u00f4ng l\u1edbp \u1ee9ng d\u1ee5ng.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong>HULK<\/strong><\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">HULK l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a HTTP Unbearable Load King v\u00e0 \u0111\u01b0\u1ee3c t\u1ea1o ra cho m\u1ee5c \u0111\u00edch nghi\u00ean c\u1ee9u.\u00a0N\u00f3 l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 t\u1ea5n c\u00f4ng DoS cho m\u00e1y ch\u1ee7 web.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong>\u0110\u1eb7c tr\u01b0ng:<\/strong><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">&#8211; N\u00f3 c\u00f3 th\u1ec3 t\u1ea1o ra l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp b\u1ea5t th\u01b0\u1eddng v\u00e0 b\u00ed \u1ea9n.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">&#8211; B\u1ea1n c\u00f3 th\u1ec3 nh\u1eadn \u0111\u01b0\u1ee3c xung quanh c\u00f4ng c\u1ee5 b\u1ed9 nh\u1edb cache. Do \u0111\u00f3, m\u00e1y ch\u1ee7 web g\u1eb7p ph\u1ea3i m\u1ed9t l\u01b0\u1ee3ng l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp \u0111\u00e1ng k\u1ec3.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong>Slowloris<\/strong><\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">M\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng DDoS \u0111\u00e3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 Slowloris.\u00a0N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u01b0a m\u00e1y ch\u1ee7 xu\u1ed1ng.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong>\u0110\u1eb7c tr\u01b0ng:<\/strong><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">&#8211; N\u00f3 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1c c\u1ed5ng ho\u1eb7c d\u1ecbch v\u1ee5 b\u1ed5 sung c\u1ee7a m\u1ea1ng m\u1ee5c ti\u00eau.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">&#8211; N\u00f3 ch\u1ec9 truy\u1ec1n \u0111\u1ebfn m\u00e1y ch\u1ee7 l\u01b0u l\u01b0\u1ee3ng HTTP \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">&#8211; N\u00f3 th\u1ef1c hi\u1ec7n n\u00f3 b\u1eb1ng c\u00e1ch g\u1eedi m\u1ed9t y\u00eau c\u1ea7u \u0111\u00e3 ho\u00e0n th\u00e0nh m\u1ed9t ph\u1ea7n.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">&#8211; Cu\u1ed9c t\u1ea5n c\u00f4ng n\u00e0y nh\u1eb1m m\u1ee5c \u0111\u00edch duy tr\u00ec c\u00e0ng nhi\u1ec1u k\u1ebft n\u1ed1i c\u00e0ng t\u1ed1t v\u1edbi nh\u1eefng k\u1ebft n\u1ed1i \u0111\u00e3 \u0111\u01b0\u1ee3c m\u1edf.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">&#8211; Mi\u1ec5n l\u00e0 m\u00e1y ch\u1ee7 m\u1edf k\u1ebft n\u1ed1i kh\u00f4ng c\u00f3 th\u1eadt, nh\u00f3m k\u1ebft n\u1ed1i s\u1ebd b\u1ecb qu\u00e1 t\u1ea3i, ng\u0103n c\u00e1c li\u00ean k\u1ebft th\u1ef1c s\u1ef1 nh\u1eadn \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">&#8211; C\u00e1c k\u1ebft n\u1ed1i gi\u1eef c\u00e0ng l\u00e2u c\u00e0ng kh\u1ea3 thi.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong>Tor&#8217;s Hammer<\/strong><\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng sau m\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng ch\u1eadm.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong>\u0110\u1eb7c tr\u01b0ng:<\/strong><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">&#8211; S\u1eed d\u1ee5ng 127.0.0.1:9050 \u0111\u1ec3 th\u1ef1c thi n\u00f3 th\u00f4ng qua Tor.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">&#8211; B\u1ea1n s\u1ebd \u1ea9n danh n\u1ebfu b\u1ea1n ch\u1ea1y qua m\u1ea1ng Tor.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">&#8211; V\u1edbi s\u1ef1 h\u1ed7 tr\u1ee3 c\u1ee7a \u1ee9ng d\u1ee5ng n\u00e0y, B\u1ea1n c\u00f3 th\u1ec3 t\u1ea5n c\u00f4ng c\u00e1c m\u00e1y ch\u1ee7 ch\u1ea1y Apache v\u00e0 IIS.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong>Xoic<\/strong><\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">N\u00f3 l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 cho c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng DDoS.\u00a0C\u00e1c trang web nh\u1ecf c\u00f3 th\u1ec3 b\u1eaft \u0111\u1ea7u c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng v\u1edbi s\u1ef1 h\u1ed7 tr\u1ee3 c\u1ee7a ph\u1ea7n m\u1ec1m n\u00e0y.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong>\u0110\u1eb7c tr\u01b0ng:<\/strong><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">&#8211; N\u00f3 c\u00f3 ba ch\u1ebf \u0111\u1ed9 t\u1ea5n c\u00f4ng kh\u00e1c nhau.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">&#8211; N\u00f3 r\u1ea5t d\u1ec5 d\u00e0ng \u0111\u1ec3 s\u1eed d\u1ee5ng.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">&#8211; Ch\u1ebf \u0111\u1ed9 t\u1ea5n c\u00f4ng DoS th\u00f4ng th\u01b0\u1eddng.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">&#8211; Ch\u1ebf \u0111\u1ed9 ki\u1ec3m tra.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">&#8211; T\u1ea5n c\u00f4ng DoS b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng TCP, ICMP, UDP, HTTP ho\u1eb7c c\u00e1c giao th\u1ee9c kh\u00e1c.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong>LOIC<\/strong><\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">Ph\u00e1o ion qu\u1ef9 \u0111\u1ea1o th\u1ea5p \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 LOIC.\u00a0\u0110\u1ed1i v\u1edbi cu\u1ed9c t\u1ea5n c\u00f4ng DDoS, c\u00f3 m\u1ed9t ph\u1ea7n m\u1ec1m mi\u1ec5n ph\u00ed v\u00e0 \u0111\u01b0\u1ee3c y\u00eau th\u00edch.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong>\u0110\u1eb7c tr\u01b0ng:<\/strong><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">&#8211; N\u00f3 y\u00eau c\u1ea7u th\u00f4ng tin t\u1eeb m\u00e1y ch\u1ee7 b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng UDP, TCP v\u00e0 HTTP.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">&#8211; N\u00f3 r\u1ea5t d\u1ec5 d\u00e0ng \u0111\u1ec3 s\u1eed d\u1ee5ng.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">&#8211; N\u00f3 c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n cu\u1ed9c t\u1ea5n c\u00f4ng t\u00f9y thu\u1ed9c v\u00e0o URL ho\u1eb7c \u0111\u1ecba ch\u1ec9 IP c\u1ee7a m\u00e1y ch\u1ee7.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">&#8211; \u0110\u1ecba ch\u1ec9 IP c\u1ee7a b\u1ea1n b\u1ecb \u1ea9n b\u1edfi n\u00f3. Kh\u00f4ng c\u00f3 gi\u1ea3i ph\u00e1p n\u00e0o, ngay c\u1ea3 m\u00e1y ch\u1ee7 proxy. B\u1edfi v\u00ec trong t\u00ecnh hu\u1ed1ng \u0111\u00f3, m\u00e1y ch\u1ee7 proxy s\u1ebd tr\u1edf th\u00e0nh m\u1ee5c ti\u00eau.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">&#8211; Trang web s\u1ebd chuy\u1ec3n sang ch\u1ebf \u0111\u1ed9 ngo\u1ea1i tuy\u1ebfn trong v\u00e0i gi\u00e2y v\u00e0 ng\u1eebng ph\u1ea3n h\u1ed3i c\u00e1c truy v\u1ea5n c\u1ee7a ng\u01b0\u1eddi d\u00f9ng.<\/span><\/p>\n<p>Nh\u01b0 v\u1eady l\u00e0 VNSO \u0111\u00e3 chia s\u1ebb xong v\u1ec1 ch\u1ee7 \u0111\u1ec1<strong> DDOS l\u00e0 g\u00ec?<\/strong> Ch\u00fang t\u00f4i tin r\u1eb1ng b\u1ea1n \u0111\u00e3 hi\u1ec3u r\u00f5 c\u00e1ch th\u1ee9c m\u00e0 n\u00f3 ho\u1ea1t \u0111\u1ed9ng t\u1eeb \u0111\u00f3 c\u00f3 nh\u1eefng bi\u1ec7n ph\u00e1p ch\u1ed1ng ddos ph\u00f9 h\u1ee3p.<\/p>","protected":false},"excerpt":{"rendered":"<p>C\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng v\u00e0o m\u00e1y ch\u1ee7 ho\u1eb7c trang web c\u00f3 m\u1ee5c \u0111\u00edch l\u00e0m ch\u1eadm ch\u00fang \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 C\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng t\u1eeb ch\u1ed1i d\u1ecbch v\u1ee5 ph\u00e2n t\u00e1n. \u0110\u1ed1i v\u1edbi \u0111i\u1ec1u n\u00e0y, m\u1ed9t s\u1ed1 h\u1ec7 th\u1ed1ng s\u1eed d\u1ee5ng.\u00a0M\u1ed9t s\u1ed1 m\u00e1y t\u00ednh n\u00e0y kh\u1edfi \u0111\u1ed9ng m\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng DoS nh\u1eb1m v\u00e0o trang web ho\u1eb7c [&hellip;]<\/p>","protected":false},"author":1,"featured_media":11973,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[301,17],"tags":[260],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v20.3 (Yoast SEO v22.8) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>7 C\u00f4ng C\u1ee5 T\u1ea5n C\u00f4ng H\u00e0ng \u0110\u1ea7u \u0110\u1ec3 Ch\u1ed1ng L\u1ea1i DDoS<\/title>\n<meta name=\"description\" content=\"C\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng v\u00e0o m\u00e1y ch\u1ee7 ho\u1eb7c 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