{"id":10025,"date":"2022-11-08T11:41:23","date_gmt":"2022-11-08T04:41:23","guid":{"rendered":""},"modified":"2024-06-28T11:49:00","modified_gmt":"2024-06-28T04:49:00","slug":"tan-cong-ddos-la-gi","status":"publish","type":"post","link":"https:\/\/vnso.vn\/en\/tan-cong-ddos-la-gi\/","title":{"rendered":"T\u1ea4N C\u00d4NG DDOS L\u00c0 G\u00cc? T\u1ea4N C\u00d4NG DDOS HO\u1ea0T \u0110\u1ed8NG NH\u01af TH\u1ebe N\u00c0O"},"content":{"rendered":"

T\u1ea5n c\u00f4ng t\u1eeb ch\u1ed1i d\u1ecbch v\u1ee5 (DDoS) ph\u00e2n t\u00e1n l\u00e0 m\u1ed9t n\u1ed7 l\u1ef1c \u0111\u1ed9c h\u1ea1i nh\u1eb1m ph\u00e1 v\u1ee1 l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp b\u00ecnh th\u01b0\u1eddng c\u1ee7a m\u00e1y ch\u1ee7. Hay d\u1ecbch v\u1ee5 ho\u1eb7c m\u1ea1ng \u0111\u01b0\u1ee3c nh\u1eafm m\u1ee5c ti\u00eau b\u1eb1ng c\u00e1ch \u00e1p \u0111\u1ea3o m\u1ee5c ti\u00eau. Ho\u1eb7c c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng xung quanh c\u1ee7a n\u00f3 b\u1eb1ng m\u1ed9t l\u01b0\u1ee3ng l\u1edbn l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp Internet.<\/span><\/p>\n

C\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng DDoS \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u qu\u1ea3 b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng nhi\u1ec1u h\u1ec7 th\u1ed1ng m\u00e1y t\u00ednh b\u1ecb x\u00e2m nh\u1eadp l\u00e0m ngu\u1ed3n l\u01b0u l\u01b0\u1ee3ng t\u1ea5n c\u00f4ng.\u00a0M\u00e1y b\u1ecb khai th\u00e1c c\u00f3 th\u1ec3 bao g\u1ed3m m\u00e1y t\u00ednh v\u00e0 c\u00e1c t\u00e0i nguy\u00ean n\u1ed1i m\u1ea1ng kh\u00e1c nh\u01b0 thi\u1ebft b\u1ecb IoT.<\/span><\/p>\n

T\u1eeb c\u1ea5p \u0111\u1ed9 cao, m\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng DDoS gi\u1ed1ng nh\u01b0 m\u1ed9t v\u1ee5 t\u1eafc \u0111\u01b0\u1eddng b\u1ea5t ng\u1edd l\u00e0m t\u1eafc ngh\u1ebdn \u0111\u01b0\u1eddng cao t\u1ed1c. Ng\u0103n c\u1ea3n giao th\u00f4ng th\u01b0\u1eddng xuy\u00ean \u0111\u1ebfn \u0111\u00edch.<\/span><\/p>\n

\"\"<\/span><\/p>\n

T\u1ea5n c\u00f4ng DDoS ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/strong><\/span><\/h2>\n

C\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng DDoS \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n v\u1edbi m\u1ea1ng c\u1ee7a c\u00e1c m\u00e1y k\u1ebft n\u1ed1i Internet.<\/span><\/p>\n

C\u00e1c m\u1ea1ng n\u00e0y bao g\u1ed3m m\u00e1y t\u00ednh v\u00e0 c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c. Ch\u1eb3ng h\u1ea1n nh\u01b0 thi\u1ebft b\u1ecb IoT \u0111\u00e3 b\u1ecb nhi\u1ec5m ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i, cho ph\u00e9p k\u1ebb t\u1ea5n c\u00f4ng \u0111i\u1ec1u khi\u1ec3n ch\u00fang t\u1eeb xa. Nh\u1eefng thi\u1ebft b\u1ecb ri\u00eang l\u1ebb n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 BOT v\u00e0 m\u1ed9t nh\u00f3m BOT g\u1ecdi l\u00e0 BOTNET.<\/span><\/p>\n

Khi m\u1ea1ng botnet \u0111\u00e3 \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp, k\u1ebb t\u1ea5n c\u00f4ng c\u00f3 th\u1ec3 ch\u1ec9 \u0111\u1ea1o m\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng b\u1eb1ng c\u00e1ch g\u1eedi c\u00e1c h\u01b0\u1edbng d\u1eabn t\u1eeb xa \u0111\u1ebfn t\u1eebng bot. <\/span>Khi m\u00e1y ch\u1ee7 ho\u1eb7c m\u1ea1ng c\u1ee7a n\u1ea1n nh\u00e2n b\u1ecb botnet nh\u1eafm m\u1ee5c ti\u00eau. M\u1ed7i bot s\u1ebd g\u1eedi y\u00eau c\u1ea7u \u0111\u1ebfn \u0111\u1ecba ch\u1ec9 IP c\u1ee7a m\u1ee5c ti\u00eau, c\u00f3 kh\u1ea3 n\u0103ng khi\u1ebfn m\u00e1y ch\u1ee7 ho\u1eb7c m\u1ea1ng b\u1ecb qu\u00e1 t\u1ea3i. D\u1eabn \u0111\u1ebfn <\/span><\/span>t\u1eeb<\/span> ch\u1ed1i d\u1ecbch v\u1ee5<\/a>\u00a0\u0111\u1ed1i v\u1edbi l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp b\u00ecnh th\u01b0\u1eddng.<\/span><\/span><\/p>\n

B\u1edfi v\u00ec m\u1ed7i bot l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb Internet h\u1ee3p ph\u00e1p. Vi\u1ec7c t\u00e1ch l\u01b0u l\u01b0\u1ee3ng t\u1ea5n c\u00f4ng kh\u1ecfi l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp th\u00f4ng th\u01b0\u1eddng c\u00f3 th\u1ec3 kh\u00f3 kh\u0103n.<\/span><\/p>\n

C\u00e1ch x\u00e1c \u0111\u1ecbnh m\u1ed9t t\u1ea5n c\u00f4ng DDoS<\/strong><\/span><\/h2>\n

Tri\u1ec7u ch\u1ee9ng r\u00f5 r\u00e0ng nh\u1ea5t c\u1ee7a cu\u1ed9c t\u1ea5n c\u00f4ng DDoS l\u00e0 m\u1ed9t trang web ho\u1eb7c d\u1ecbch v\u1ee5 \u0111\u1ed9t nhi\u00ean tr\u1edf n\u00ean ch\u1eadm ch\u1ea1p ho\u1eb7c kh\u00f4ng kh\u1ea3 d\u1ee5ng. Nh\u01b0ng v\u00ec m\u1ed9t s\u1ed1 nguy\u00ean nh\u00e2n – l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp t\u0103ng \u0111\u1ed9t bi\u1ebfn nh\u01b0 v\u1eady. C\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 hi\u1ec7u su\u1ea5t t\u01b0\u01a1ng t\u1ef1, n\u00ean th\u01b0\u1eddng c\u1ea7n ph\u1ea3i \u0111i\u1ec1u tra th\u00eam. C\u00e1c c\u00f4ng c\u1ee5 ph\u00e2n t\u00edch l\u01b0u l\u01b0\u1ee3ng c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n ph\u00e1t hi\u1ec7n cu\u1ed9c t\u1ea5n c\u00f4ng DDoS:<\/span><\/p>\n

– L\u01b0\u1ee3ng l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp \u0111\u00e1ng ng\u1edd b\u1eaft ngu\u1ed3n t\u1eeb m\u1ed9t \u0111\u1ecba ch\u1ec9 IP ho\u1eb7c d\u1ea3i IP.<\/span><\/p>\n

– M\u1ed9t l\u01b0\u1ee3ng l\u1edbn l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp t\u1eeb nh\u1eefng ng\u01b0\u1eddi d\u00f9ng chia s\u1ebb m\u1ed9t h\u1ed3 s\u01a1 h\u00e0nh vi. Ch\u1eb3ng h\u1ea1n nh\u01b0 lo\u1ea1i thi\u1ebft b\u1ecb, v\u1ecb tr\u00ed \u0111\u1ecba l\u00fd ho\u1eb7c phi\u00ean b\u1ea3n tr\u00ecnh duy\u1ec7t web.<\/span><\/p>\n

– S\u1ef1 gia t\u0103ng kh\u00f4ng gi\u1ea3i th\u00edch \u0111\u01b0\u1ee3c v\u1ec1 y\u00eau c\u1ea7u \u0111\u1ebfn m\u1ed9t trang ho\u1eb7c \u0111i\u1ec3m cu\u1ed1i.<\/span><\/p>\n

– C\u00e1c m\u1eabu l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp k\u1ef3 l\u1ea1 nh\u01b0 t\u0103ng \u0111\u1ed9t bi\u1ebfn v\u00e0o c\u00e1c gi\u1edd l\u1ebb trong ng\u00e0y. C\u00e1c m\u1eabu c\u00f3 v\u1ebb kh\u00f4ng t\u1ef1 nhi\u00ean (v\u00ed d\u1ee5: t\u0103ng \u0111\u1ed9t bi\u1ebfn c\u1ee9 sau 10 ph\u00fat).<\/span><\/p>\n

M\u1ed9t s\u1ed1 ki\u1ec3u t\u1ea5n c\u00f4ng DDoS ph\u1ed5 bi\u1ebfn l\u00e0 g\u00ec?<\/strong><\/span><\/h2>\n

C\u00e1c ki\u1ec3u t\u1ea5n c\u00f4ng DDoS kh\u00e1c nhau nh\u1eafm v\u00e0o c\u00e1c th\u00e0nh ph\u1ea7n kh\u00e1c nhau c\u1ee7a k\u1ebft n\u1ed1i m\u1ea1ng.\u00a0\u0110\u1ec3 hi\u1ec3u c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng DDoS kh\u00e1c nhau ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o, c\u1ea7n ph\u1ea3i bi\u1ebft k\u1ebft n\u1ed1i m\u1ea1ng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n nh\u01b0 th\u1ebf n\u00e0o.<\/span><\/p>\n

K\u1ebft n\u1ed1i m\u1ea1ng tr\u00ean Internet bao g\u1ed3m nhi\u1ec1u th\u00e0nh ph\u1ea7n ho\u1eb7c \u201cl\u1edbp\u201d kh\u00e1c nhau. Gi\u1ed1ng nh\u01b0 x\u00e2y d\u1ef1ng m\u1ed9t ng\u00f4i nh\u00e0 t\u1eeb m\u1eb7t \u0111\u1ea5t l\u00ean, m\u1ed7i l\u1edbp trong m\u00f4 h\u00ecnh c\u00f3 m\u1ed9t m\u1ee5c \u0111\u00edch kh\u00e1c nhau.\u00a0<\/span>M\u00f4 h\u00ecnh OSI l\u00e0 m\u1ed9t khung kh\u00e1i ni\u1ec7m \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 m\u00f4 t\u1ea3 k\u1ebft n\u1ed1i m\u1ea1ng trong 7 l\u1edbp ri\u00eang bi\u1ec7t.<\/span><\/span><\/p>\n

M\u1eb7c d\u00f9 g\u1ea7n nh\u01b0 t\u1ea5t c\u1ea3 c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng DDoS li\u00ean quan \u0111\u1ebfn vi\u1ec7c \u00e1p \u0111\u1ea3o m\u1ed9t thi\u1ebft b\u1ecb. Ho\u1eb7c m\u1ea1ng m\u1ee5c ti\u00eau v\u1edbi l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp, c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh ba lo\u1ea1i. K\u1ebb t\u1ea5n c\u00f4ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng m\u1ed9t ho\u1eb7c nhi\u1ec1u vect\u01a1 t\u1ea5n c\u00f4ng kh\u00e1c nhau. Ho\u1eb7c vect\u01a1<\/span> t\u1ea5n c\u00f4ng<\/a> chu k\u1ef3 \u0111\u1ec3 \u0111\u00e1p l\u1ea1i c\u00e1c bi\u1ec7n ph\u00e1p ch\u1ed1ng l\u1ea1i m\u1ee5c ti\u00eau.<\/span><\/span><\/p>","protected":false},"excerpt":{"rendered":"

T\u1ea5n c\u00f4ng t\u1eeb ch\u1ed1i d\u1ecbch v\u1ee5 (DDoS) ph\u00e2n t\u00e1n l\u00e0 m\u1ed9t n\u1ed7 l\u1ef1c \u0111\u1ed9c h\u1ea1i nh\u1eb1m ph\u00e1 v\u1ee1 l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp b\u00ecnh th\u01b0\u1eddng c\u1ee7a m\u00e1y ch\u1ee7. Hay d\u1ecbch v\u1ee5 ho\u1eb7c m\u1ea1ng \u0111\u01b0\u1ee3c nh\u1eafm m\u1ee5c ti\u00eau b\u1eb1ng c\u00e1ch \u00e1p \u0111\u1ea3o m\u1ee5c ti\u00eau. Ho\u1eb7c c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng xung quanh c\u1ee7a n\u00f3 b\u1eb1ng m\u1ed9t l\u01b0\u1ee3ng l\u1edbn […]<\/p>","protected":false},"author":1,"featured_media":11974,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[301,17],"tags":[302],"yoast_head":"\nT\u1ea5n c\u00f4ng DDoS l\u00e0 g\u00ec? T\u1ea5n c\u00f4ng DDoS ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o<\/title>\n<meta name=\"description\" content=\"T\u1ea5n c\u00f4ng t\u1eeb ch\u1ed1i d\u1ecbch v\u1ee5 (DDoS) ph\u00e2n t\u00e1n l\u00e0 m\u1ed9t n\u1ed7 l\u1ef1c \u0111\u1ed9c h\u1ea1i nh\u1eb1m ph\u00e1 v\u1ee1 l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp b\u00ecnh th\u01b0\u1eddng c\u1ee7a m\u00e1y ch\u1ee7...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/vnso.vn\/en\/tan-cong-ddos-la-gi\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"T\u1ea4N C\u00d4NG DDOS L\u00c0 G\u00cc? T\u1ea4N C\u00d4NG DDOS HO\u1ea0T \u0110\u1ed8NG NH\u01af TH\u1ebe N\u00c0O\" \/>\n<meta property=\"og:description\" content=\"T\u1ea5n c\u00f4ng t\u1eeb ch\u1ed1i d\u1ecbch v\u1ee5 (DDoS) ph\u00e2n t\u00e1n l\u00e0 m\u1ed9t n\u1ed7 l\u1ef1c \u0111\u1ed9c h\u1ea1i nh\u1eb1m ph\u00e1 v\u1ee1 l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp b\u00ecnh th\u01b0\u1eddng c\u1ee7a m\u00e1y ch\u1ee7...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/vnso.vn\/en\/tan-cong-ddos-la-gi\/\" \/>\n<meta property=\"og:site_name\" content=\"C\u00d4NG NGH\u1ec6 VNSO\u2122\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/VNSO.VN\" \/>\n<meta property=\"article:published_time\" content=\"2022-11-08T04:41:23+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-06-28T04:49:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/vnso.vn\/wp-content\/uploads\/2022\/11\/Untitled-1-Recovered-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"770\" \/>\n\t<meta property=\"og:image:height\" content=\"343\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"quocvu\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"quocvu\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/vnso.vn\/tan-cong-ddos-la-gi\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/vnso.vn\/tan-cong-ddos-la-gi\/\"},\"author\":{\"name\":\"quocvu\",\"@id\":\"https:\/\/vnso.vn\/#\/schema\/person\/d2e01da61bbe4e9cdad491a13585c000\"},\"headline\":\"T\u1ea4N C\u00d4NG DDOS L\u00c0 G\u00cc? T\u1ea4N C\u00d4NG DDOS HO\u1ea0T \u0110\u1ed8NG NH\u01af TH\u1ebe N\u00c0O\",\"datePublished\":\"2022-11-08T04:41:23+00:00\",\"dateModified\":\"2024-06-28T04:49:00+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/vnso.vn\/tan-cong-ddos-la-gi\/\"},\"wordCount\":1138,\"publisher\":{\"@id\":\"https:\/\/vnso.vn\/#organization\"},\"image\":{\"@id\":\"https:\/\/vnso.vn\/tan-cong-ddos-la-gi\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/vnso.vn\/wp-content\/uploads\/2022\/11\/Untitled-1-Recovered-1.jpg\",\"keywords\":[\"t\u1ea5n c\u00f4ng ddos l\u00e0 g\u00ec\"],\"articleSection\":[\"Gi\u1ea3i Ph\u00e1p Ch\u1ed1ng DDoS\",\"Th\u00f4ng tin chung\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/vnso.vn\/tan-cong-ddos-la-gi\/\",\"url\":\"https:\/\/vnso.vn\/tan-cong-ddos-la-gi\/\",\"name\":\"T\u1ea5n c\u00f4ng DDoS l\u00e0 g\u00ec? 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