{"id":17538,"date":"2023-08-24T11:45:36","date_gmt":"2023-08-24T04:45:36","guid":{"rendered":"https:\/\/vnso.vn\/?p=17538"},"modified":"2024-06-27T09:55:13","modified_gmt":"2024-06-27T02:55:13","slug":"cach-ngan-chan-cuoc-tan-cong-ddos-vnso","status":"publish","type":"post","link":"https:\/\/vnso.vn\/en\/cach-ngan-chan-cuoc-tan-cong-ddos-vnso\/","title":{"rendered":"C\u00e1ch Ng\u0103n Ch\u1eb7n Cu\u1ed9c T\u1ea5n C\u00f4ng DDoS – VNSO"},"content":{"rendered":"

C\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng t\u1eeb ch\u1ed1i d\u1ecbch v\u1ee5 ph\u00e2n t\u00e1n l\u00e0 m\u1ed9t trong nh\u1eefng m\u1ed1i \u0111e d\u1ecda nghi\u00eam tr\u1ecdng nh\u1ea5t m\u00e0 c\u00e1c doanh nghi\u1ec7p v\u00e0 t\u1ed5 ch\u1ee9c ph\u1ea3i \u0111\u1ed1i m\u1eb7t tr\u00ean internet. <\/span>Trong n\u1eeda \u0111\u1ea7u n\u0103m 2022, n\u1ec1n t\u1ea3ng b\u1ea3o m\u1eadt c\u1ee7a CDNetworks \u0111\u00e3 theo d\u00f5i v\u00e0 ng\u0103n ch\u1eb7n c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng m\u1ea1ng trung b\u00ecnh 429.000 cu\u1ed9c t\u1ea5n c\u00f4ng DDoS l\u1edbp m\u1ea1ng m\u1ed7i ng\u00e0y, t\u0103ng \u0111\u00e1ng k\u1ec3 161,02% so v\u1edbi c\u00f9ng k\u1ef3 n\u0103m ngo\u00e1i. Tri\u1ec3n khai b\u1ea3o v\u1ec7 DDoS hi\u1ec7u qu\u1ea3 l\u00e0 ch\u00eca kh\u00f3a \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o thu\u1ed9c t\u00ednh web c\u1ee7a b\u1ea1n \u0111\u01b0\u1ee3c an to\u00e0n v\u00e0 b\u1ea1n s\u1eb5n s\u00e0ng ch\u1ed1ng l\u1ea1i m\u1ecdi cu\u1ed9c t\u1ea5n c\u00f4ng.<\/span><\/p>\n

T\u1ea1i sao c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng DDoS l\u1ea1i nguy hi\u1ec3m?<\/h2>\n

C\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng DDoS \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1edfi tin t\u1eb7c, nh\u1eefng k\u1ebb l\u00e0m qu\u00e1 t\u1ea3i m\u1ea1ng v\u1edbi l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp nhi\u1ec1u h\u01a1n m\u1ee9c c\u00f3 th\u1ec3 x\u1eed l\u00fd, d\u1eabn \u0111\u1ebfn m\u1ea1ng kh\u00f4ng kh\u1ea3 d\u1ee5ng \u0111\u1ed1i v\u1edbi ng\u01b0\u1eddi d\u00f9ng h\u1ee3p ph\u00e1p.<\/span><\/p>\n

Nh\u1eefng ki\u1ec3u t\u1ea5n c\u00f4ng DDoS n\u00e0y c\u00f3 th\u1ec3 g\u00e2y thi\u1ec7t h\u1ea1i n\u1eb7ng n\u1ec1 cho c\u00e1c doanh nghi\u1ec7p v\u00e0 c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn m\u1ea5t doanh thu v\u00e0 ni\u1ec1m tin c\u1ee7a kh\u00e1ch h\u00e0ng.<\/span><\/p>\n

Ngo\u00e0i ra, ch\u00fang c\u0169ng c\u00f3 th\u1ec3 cung c\u1ea5p v\u1ecf b\u1ecdc cho c\u00e1c ho\u1ea1t \u0111\u1ed9ng \u0111\u1ed9c h\u1ea1i kh\u00e1c, ch\u1eb3ng h\u1ea1n nh\u01b0 \u0111\u00e1nh c\u1eafp d\u1eef li\u1ec7u ho\u1eb7c c\u00e0i \u0111\u1eb7t ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i.<\/span><\/p>\n

Chi ph\u00ed c\u1ee7a c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng DDoS<\/h2>\n

C\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng DDoS v\u00e0 \u0111\u1ed9ng c\u01a1 \u0111\u1eb1ng sau ch\u00fang \u0111\u00e3 ph\u00e1t tri\u1ec3n k\u1ec3 t\u1eeb c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng c\u1ee7a nh\u1eefng n\u0103m 90. Ng\u00e0y nay, ch\u00fang kh\u1ed1c li\u1ec7t h\u01a1n, d\u1ec5 kh\u1edfi \u0111\u1ed9ng h\u01a1n v\u00e0 th\u01b0\u1eddng d\u1ef1a tr\u00ean ch\u00ednh tr\u1ecb. M\u1ed7i ng\u00e0y, c\u00f3 nh\u1eefng cu\u1ed9c x\u00e2m l\u01b0\u1ee3c m\u1ea1ng \u0111\u01b0\u1ee3c d\u00e0n d\u1ef1ng kh\u00f4ng ch\u1ec9 nh\u1eb1m v\u00e0o c\u00e1c t\u1eadp \u0111o\u00e0n m\u1ee5c ti\u00eau l\u1edbn m\u00e0 c\u00f2n c\u1ea3 c\u00e1c doanh nghi\u1ec7p v\u1eeba v\u00e0 nh\u1ecf. Tuy nhi\u00ean, r\u1ea5t \u00edt ng\u01b0\u1eddi \u0111\u01b0\u1ee3c chu\u1ea9n b\u1ecb \u0111\u1ea7y \u0111\u1ee7 \u0111\u1ec3 ch\u1ed1ng l\u1ea1i ch\u00fang.<\/span><\/p>\n

Chi ph\u00ed cho c\u00e1c doanh nghi\u1ec7p \u0111ang t\u0103ng l\u00ean v\u00e0 \u01b0\u1edbc t\u00ednh v\u00e0o kho\u1ea3ng 500 t\u1ef7 \u0111\u00f4 la tr\u1edf l\u00ean. Ngay c\u1ea3 khi \u0111\u00f3, c\u00e1c chuy\u00ean gia cho bi\u1ebft, h\u1ea7u h\u1ebft trong s\u1ed1 50 tri\u1ec7u cu\u1ed9c t\u1ea5n c\u00f4ng m\u1ed7i n\u0103m \u0111\u1ec1u kh\u00f4ng b\u1ecb ph\u00e1t hi\u1ec7n. C\u00e1i gi\u00e1 c\u1ee7a m\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng m\u1ea1ng \u0111\u1ed1i v\u1edbi doanh nghi\u1ec7p kh\u00f4ng ch\u1ec9 l\u00e0 t\u1ed5n th\u1ea5t v\u1ec1 n\u0103ng su\u1ea5t, doanh thu v\u00e0 c\u01a1 h\u1ed9i kinh doanh m\u00e0 c\u00f2n g\u00e2y t\u1ed5n h\u1ea1i \u0111\u1ebfn h\u00ecnh \u1ea3nh th\u01b0\u01a1ng hi\u1ec7u c\u1ee7a c\u00f4ng ty. Chi ph\u00ed ho\u1ea1t \u0111\u1ed9ng t\u0103ng v\u1ecdt trong nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p, khi c\u00e1c doanh nghi\u1ec7p c\u1ed1 g\u1eafng t\u00ecm v\u00e0 kh\u1eafc ph\u1ee5c c\u00e1c l\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt c\u1ee7a h\u1ecd.<\/span><\/p>\n

\"C\u00c1CH

\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0<\/sup><\/p><\/div>\n

X\u00e1c \u0111\u1ecbnh m\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng DDoS<\/h2>\n

C\u00e1c kh\u00f3 kh\u0103n trong vi\u1ec7c x\u00e1c \u0111\u1ecbnh m\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng DDoS
\n<\/span><\/h3>\n

Vi\u1ec7c x\u00e1c \u0111\u1ecbnh m\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng DDoS c\u00f3 th\u1ec3 kh\u00f3 kh\u0103n v\u00ec l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp \u0111\u1ed9c h\u1ea1i th\u01b0\u1eddng xu\u1ea5t hi\u1ec7n kh\u00f4ng kh\u00e1c g\u00ec l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp trang web th\u00f4ng th\u01b0\u1eddng. Tuy nhi\u00ean, c\u00f3 m\u1ed9t s\u1ed1 d\u1ea5u hi\u1ec7u c\u00f3 th\u1ec3 ch\u1ec9 ra r\u1eb1ng m\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng \u0111ang di\u1ec5n ra. L\u01b0u l\u01b0\u1ee3ng truy c\u1eadp trang web cao b\u1ea5t th\u01b0\u1eddng, \u0111\u1eb7c bi\u1ec7t l\u00e0 c\u00e1c y\u00eau c\u1ea7u t\u1eeb m\u1ed9t \u0111\u1ecba ch\u1ec9 IP ho\u1eb7c nhi\u1ec1u \u0111\u1ecba ch\u1ec9 IP trong c\u00f9ng m\u1ed9t ph\u1ea1m vi, c\u00f3 th\u1ec3 l\u00e0 d\u1ea5u hi\u1ec7u c\u1ee7a m\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng s\u1ed1 l\u01b0\u1ee3ng l\u1edbn.<\/span><\/p>\n

Ngo\u00e0i ra, hi\u1ec7u su\u1ea5t ch\u1eadm h\u01a1n \u0111\u1ed1i v\u1edbi l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp v\u00e0 ng\u01b0\u1eddi d\u00f9ng h\u1ee3p ph\u00e1p c\u0169ng nh\u01b0 th\u00f4ng b\u00e1o l\u1ed7i hi\u1ec3n th\u1ecb khi c\u1ed1 g\u1eafng truy c\u1eadp trang web c\u0169ng c\u00f3 th\u1ec3 ch\u1ec9 ra m\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng DDoS.<\/span><\/p>\n

Vai tr\u00f2 c\u1ee7a qu\u1ea3n tr\u1ecb vi\u00ean<\/h3>\n

Qu\u1ea3n tr\u1ecb vi\u00ean c\u0169ng n\u00ean theo d\u00f5i m\u1ea1ng c\u1ee7a h\u1ecd \u0111\u1ec3 bi\u1ebft b\u1ea5t k\u1ef3 m\u1ee9c t\u0103ng \u0111\u1ed9t bi\u1ebfn n\u00e0o trong vi\u1ec7c s\u1eed d\u1ee5ng b\u0103ng th\u00f4ng v\u00e0 ki\u1ec3m tra nh\u1eadt k\u00fd t\u01b0\u1eddng l\u1eeda c\u1ee7a h\u1ecd \u0111\u1ec3 bi\u1ebft ho\u1ea1t \u0111\u1ed9ng \u0111\u00e1ng ng\u1edd. B\u1eb1ng c\u00e1ch theo d\u00f5i ch\u1eb7t ch\u1ebd m\u1ea1ng c\u1ee7a h\u1ecd v\u00e0 theo d\u00f5i m\u1ecdi h\u00e0nh vi b\u1ea5t th\u01b0\u1eddng, qu\u1ea3n tr\u1ecb vi\u00ean c\u00f3 th\u1ec3 nhanh ch\u00f3ng x\u00e1c \u0111\u1ecbnh xem h\u1ecd c\u00f3 \u0111ang l\u00e0 m\u1ee5c ti\u00eau c\u1ee7a m\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng DDoS hay kh\u00f4ng v\u00e0 th\u1ef1c hi\u1ec7n h\u00e0nh \u0111\u1ed9ng \u0111\u1ec3 gi\u1ea3m thi\u1ec3u n\u00f3.<\/span><\/p>\n

Cu\u1ed1i c\u00f9ng, m\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng DDoS c\u00f3 th\u1ec3 \u0111\u00e1nh s\u1eadp to\u00e0n b\u1ed9 m\u1ea1ng v\u00e0 g\u00e2y t\u1ed1n k\u00e9m th\u1eddi gian v\u00e0 ti\u1ec1n b\u1ea1c cho doanh nghi\u1ec7p. B\u1eb1ng c\u00e1ch lu\u00f4n c\u1ea3nh gi\u00e1c v\u00e0 theo d\u00f5i m\u1ecdi ho\u1ea1t \u0111\u1ed9ng \u0111\u00e1ng ng\u1edd ho\u1eb7c d\u1ea5u hi\u1ec7u c\u1ee7a m\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng ti\u1ec1m t\u00e0ng, qu\u1ea3n tr\u1ecb vi\u00ean c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c b\u01b0\u1edbc \u0111\u1ec3 b\u1ea3o v\u1ec7 m\u1ea1ng c\u1ee7a h\u1ecd v\u00e0 ng\u0103n ch\u1eb7n thi\u1ec7t h\u1ea1i c\u00f3 th\u1ec3 g\u00e2y ra b\u1edfi m\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng DDoS. Ti\u1ebfp theo, ch\u00fang ta s\u1ebd kh\u00e1m ph\u00e1 c\u00e1c d\u1ea5u hi\u1ec7u ph\u1ed5 bi\u1ebfn c\u1ee7a m\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng DDoS \u0111\u1ec3 b\u1ea1n bi\u1ebft nh\u1eefng \u0111i\u1ec1u c\u1ea7n ch\u00fa \u00fd.<\/span><\/p>\n

L\u1ef1a ch\u1ecdn c\u00f4ng c\u1ee5 ph\u00f9 h\u1ee3p \u0111\u1ec3 ng\u0103n ch\u1eb7n c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng l\u1edbn<\/h2>\n

\u0110\u1ec3 x\u00e1c \u0111\u1ecbnh v\u00e0 ng\u0103n ch\u1eb7n m\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng DDoS m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i c\u00f3 c\u00e1c c\u00f4ng c\u1ee5 ph\u00f9 h\u1ee3p. N\u00f3i chung, nh\u1eefng c\u00f4ng c\u1ee5 n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh hai lo\u1ea1i ri\u00eang bi\u1ec7t. \u0110\u1ea7u ti\u00ean, c\u00f3 c\u00e1c c\u00f4ng c\u1ee5 th\u1ee5 \u0111\u1ed9ng gi\u00e1m s\u00e1t m\u1ea1ng \u0111\u1ec3 ph\u00e1t hi\u1ec7n b\u1ea5t k\u1ef3 ho\u1ea1t \u0111\u1ed9ng \u0111\u00e1ng ng\u1edd n\u00e0o v\u00e0 c\u1ea3nh b\u00e1o cho qu\u1ea3n tr\u1ecb vi\u00ean khi c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng ti\u1ec1m \u1ea9n \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh. Nh\u1eefng c\u00f4ng c\u1ee5 n\u00e0y c\u00f3 th\u1ec3 cung c\u1ea5p c\u00e1c ph\u00e2n t\u00edch th\u1eddi gian th\u1ef1c chi ti\u1ebft v\u1ec1 c\u00e1c m\u1eabu l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp v\u00e0 gi\u00fap qu\u1ea3n tr\u1ecb vi\u00ean x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c n\u01a1i xu\u1ea5t ph\u00e1t c\u1ee7a m\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng.<\/span><\/p>\n

Th\u1ee9 hai, c\u00f3 nh\u1eefng c\u00f4ng c\u1ee5 t\u00edch c\u1ef1c c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n v\u00e0 ch\u1eb7n c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng DDoS tr\u01b0\u1edbc khi ch\u00fang g\u00e2y ra thi\u1ec7t h\u1ea1i \u0111\u00e1ng k\u1ec3 cho trang web ho\u1eb7c m\u1ea1ng. <\/span><\/p>\n

Ng\u0103n ch\u1eb7n m\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng DDoS<\/h2>\n

Khi m\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng DDoS \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh, b\u01b0\u1edbc ti\u1ebfp theo l\u00e0 b\u1eaft \u0111\u1ea7u th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p \u0111\u1ec3 ng\u0103n ch\u1eb7n n\u00f3. C\u00e1ch hi\u1ec7u qu\u1ea3 nh\u1ea5t \u0111\u1ec3 l\u00e0m \u0111i\u1ec1u n\u00e0y l\u00e0 th\u1ef1c hi\u1ec7n m\u1ed9t chi\u1ebfn l\u01b0\u1ee3c ph\u00f2ng th\u1ee7 bao g\u1ed3m c\u1ea3 c\u00e1c bi\u1ec7n ph\u00e1p ch\u1ee7 \u0111\u1ed9ng v\u00e0 ph\u1ea3n \u1ee9ng. .<\/span><\/p>\n

C\u00e1c bi\u1ec7n ph\u00e1p ch\u1ee7 \u0111\u1ed9ng bao g\u1ed3m gi\u1edbi h\u1ea1n t\u1ed1c \u0111\u1ed9, ch\u1eb7n c\u00e1c \u0111\u1ecba ch\u1ec9 IP \u0111\u1ed9c h\u1ea1i, thi\u1ebft l\u1eadp t\u01b0\u1eddng l\u1eeda \u1ee9ng d\u1ee5ng web (WAF) v\u00e0 s\u1eed d\u1ee5ng c\u00e1c d\u1ecbch v\u1ee5 l\u1ecdc l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp. Gi\u1edbi h\u1ea1n t\u1ef7 l\u1ec7 li\u00ean quan \u0111\u1ebfn vi\u1ec7c \u0111\u1eb7t gi\u1edbi h\u1ea1n v\u1ec1 s\u1ed1 l\u01b0\u1ee3ng y\u00eau c\u1ea7u m\u00e0 m\u1ed9t trang web c\u00f3 th\u1ec3 x\u1eed l\u00fd c\u00f9ng m\u1ed9t l\u00fac v\u00e0 t\u1eeb ch\u1ed1i m\u1ecdi y\u00eau c\u1ea7u v\u01b0\u1ee3t qu\u00e1 c\u00e1c gi\u1edbi h\u1ea1n \u0111\u00f3. <\/span><\/p>\n

\"C\u00c1CH<\/p>\n

\n

>> Xem th\u00eam: T\u1ea5n c\u00f4ng DDOS l\u00e0 g\u00ec? B\u1ea1n c\u00f3 th\u1ec3 b\u1ea3o v\u1ec7 trang web c\u1ee7a m\u00ecnh nh\u01b0 th\u1ebf n\u00e0o?<\/a><\/p>\n<\/blockquote>\n

C\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba c\u1ea7n th\u1ef1c hi\u1ec7n tr\u01b0\u1edbc khi x\u1ea3y ra t\u1ea5n c\u00f4ng<\/h2>\n

Th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba \u0111\u1ec3 ch\u1ed1ng l\u1ea1i c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng DDoS l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ed1i v\u1edbi b\u1ea5t k\u1ef3 trang web ho\u1eb7c d\u1ecbch v\u1ee5 tr\u1ef1c tuy\u1ebfn n\u00e0o. C\u00e1c bi\u1ec7n ph\u00e1p n\u00e0y n\u00ean li\u00ean quan \u0111\u1ebfn c\u1ea3 th\u1ef1c ti\u1ec5n t\u1ed1t nh\u1ea5t v\u1ec1 k\u1ef9 thu\u1eadt v\u00e0 phi k\u1ef9 thu\u1eadt.<\/span><\/p>\n

B\u1eb1ng c\u00e1ch th\u1ef1c hi\u1ec7n c\u1ea3 c\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba k\u1ef9 thu\u1eadt v\u00e0 phi k\u1ef9 thu\u1eadt \u0111\u1ed1i v\u1edbi c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng DDoS c\u0169ng nh\u01b0 c\u00e1c chi\u1ebfn l\u01b0\u1ee3c ph\u1ea3n \u1ee9ng khi m\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng x\u1ea3y ra, qu\u1ea3n tr\u1ecb vi\u00ean c\u00f3 th\u1ec3 gi\u1ea3m \u0111\u00e1ng k\u1ec3 kh\u1ea3 n\u0103ng tr\u1edf th\u00e0nh n\u1ea1n nh\u00e2n c\u1ee7a m\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng DDoS trong t\u01b0\u01a1ng lai.<\/span><\/p>\n

Chi\u1ebfn l\u01b0\u1ee3c \u0111\u1ed1i ph\u00f3 sau khi ng\u0103n ch\u1eb7n t\u1ea5n c\u00f4ng m\u1ea1ng \u0111ang di\u1ec5n ra<\/h2>\n

Giai \u0111o\u1ea1n 1<\/h3>\n

Khi m\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng DDoS \u0111ang di\u1ec5n ra, r\u1ea5t kh\u00f3 \u0111\u1ec3 bi\u1ebft c\u00e1ch ph\u1ea3n h\u1ed3i t\u1ed1t nh\u1ea5t. \u0110i\u1ec1u quan tr\u1ecdng l\u00e0 qu\u1ea3n tr\u1ecb vi\u00ean ph\u1ea3i th\u1ef1c hi\u1ec7n c\u00e1c b\u01b0\u1edbc gi\u1ea3m thi\u1ec3u DDoS \u0111\u1ec3 gi\u1ea3m thi\u1ec3u t\u00e1c \u0111\u1ed9ng c\u1ee7a cu\u1ed9c t\u1ea5n c\u00f4ng v\u00e0 kh\u00f4i ph\u1ee5c d\u1ecbch v\u1ee5 nhanh nh\u1ea5t c\u00f3 th\u1ec3. C\u00e1c chi\u1ebfn l\u01b0\u1ee3c ph\u1ed5 bi\u1ebfn \u0111\u1ec3 \u1ee9ng ph\u00f3 v\u1edbi m\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng \u0111ang di\u1ec5n ra bao g\u1ed3m tri\u1ec3n khai gi\u1edbi h\u1ea1n t\u1ed1c \u0111\u1ed9, ch\u1eb7n l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp \u0111\u1ed9c h\u1ea1i, lo\u1ea1i b\u1ecf c\u00e1c g\u00f3i ho\u1eb7c y\u00eau c\u1ea7u nh\u1ea5t \u0111\u1ecbnh, s\u1eed d\u1ee5ng c\u00e1c d\u1ecbch v\u1ee5 qu\u00e9t d\u1ef1a tr\u00ean \u0111\u00e1m m\u00e2y v\u00e0 tri\u1ec3n khai c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt b\u1ed5 sung.<\/span><\/p>\n

Giai \u0111o\u1ea1n 2<\/h3>\n

Ngo\u00e0i ra, qu\u1ea3n tr\u1ecb vi\u00ean n\u00ean l\u00e0m vi\u1ec7c v\u1edbi nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 l\u01b0u tr\u1eef ho\u1eb7c ISP c\u1ee7a h\u1ecd \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o h\u1ecd \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 \u0111\u00fang c\u00e1ch tr\u01b0\u1edbc cu\u1ed9c t\u1ea5n c\u00f4ng. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 li\u00ean quan \u0111\u1ebfn vi\u1ec7c thi\u1ebft l\u1eadp m\u1ed9t k\u1ebf ho\u1ea1ch gi\u1ea3m thi\u1ec3u bao g\u1ed3m c\u00e1c b\u01b0\u1edbc c\u1ee5 th\u1ec3 c\u1ea7n th\u1ef1c hi\u1ec7n khi m\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng x\u1ea3y ra. C\u00f3 s\u1eb5n k\u1ebf ho\u1ea1ch n\u00e0y tr\u01b0\u1edbc khi m\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng x\u1ea3y ra c\u00f3 th\u1ec3 gi\u00fap gi\u1ea3m th\u1eddi gian ch\u1ebft v\u00e0 gi\u1ea3m thi\u1ec3u thi\u1ec7t h\u1ea1i do cu\u1ed9c t\u1ea5n c\u00f4ng g\u00e2y ra.<\/span><\/p>\n

Giai \u0111o\u1ea1n 3<\/h3>\n

Cu\u1ed1i c\u00f9ng, qu\u1ea3n tr\u1ecb vi\u00ean n\u00ean t\u1ea1o m\u1ed9t b\u00e1o c\u00e1o sau cu\u1ed9c t\u1ea5n c\u00f4ng, trong \u0111\u00f3 ph\u00e1c th\u1ea3o c\u00e1c bi\u1ec7n ph\u00e1p \u0111\u00e3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n trong v\u1ee5 vi\u1ec7c v\u00e0 b\u1ea5t k\u1ef3 b\u00e0i h\u1ecdc n\u00e0o r\u00fat ra \u0111\u01b0\u1ee3c t\u1eeb \u0111\u00f3. B\u00e1o c\u00e1o n\u00e0y n\u00ean \u0111\u01b0\u1ee3c chia s\u1ebb v\u1edbi t\u1ea5t c\u1ea3 c\u00e1c b\u00ean li\u00ean quan \u0111\u1ec3 h\u1ecd hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 nh\u1eefng g\u00ec \u0111\u00e3 x\u1ea3y ra v\u00e0 c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c b\u01b0\u1edbc \u0111\u1ec3 ng\u0103n ch\u1eb7n c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng t\u01b0\u01a1ng t\u1ef1 trong t\u01b0\u01a1ng lai.<\/span><\/p>\n

Ph\u1ee5c h\u1ed3i sau khi ng\u0103n ch\u1eb7n t\u1ea5n c\u00f4ng m\u1ea1ng<\/h2>\n

Khi m\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng DDoS \u0111\u00e3 \u0111\u01b0\u1ee3c gi\u1ea3m thi\u1ec3u th\u00e0nh c\u00f4ng, c\u00e1c t\u1ed5 ch\u1ee9c n\u00ean th\u1ef1c hi\u1ec7n c\u00e1c b\u01b0\u1edbc b\u1ed5 sung \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng h\u1ecd \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 kh\u1ecfi c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng trong t\u01b0\u01a1ng lai. \u0110i\u1ec1u n\u00e0y bao g\u1ed3m th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p nh\u01b0 th\u1eaft ch\u1eb7t ch\u00ednh s\u00e1ch b\u1ea3o m\u1eadt, tri\u1ec3n khai c\u00e1c giao th\u1ee9c x\u00e1c th\u1ef1c m\u1ea1nh h\u01a1n v\u00e0 c\u1ea3i thi\u1ec7n c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng m\u1ea1ng. Ngo\u00e0i ra, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i xem l\u1ea1i nh\u1eadt k\u00fd h\u1ec7 th\u1ed1ng v\u00e0 x\u00e1c \u0111\u1ecbnh b\u1ea5t k\u1ef3 ho\u1ea1t \u0111\u1ed9ng b\u1ea5t th\u01b0\u1eddng n\u00e0o c\u00f3 th\u1ec3 x\u1ea3y ra trong cu\u1ed9c t\u1ea5n c\u00f4ng.<\/span><\/p>\n

T\u1ed5ng k\u1ebft<\/h2>\n

C\u00e1c t\u1ed5 ch\u1ee9c c\u0169ng n\u00ean xem x\u00e9t vi\u1ec7c t\u1ea1o m\u1ed9t k\u1ebf ho\u1ea1ch \u1ee9ng ph\u00f3 s\u1ef1 c\u1ed1 ch\u00ednh th\u1ee9c v\u00e0 th\u01b0\u1eddng xuy\u00ean ki\u1ec3m tra k\u1ebf ho\u1ea1ch \u0111\u00f3 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u00e1p \u1ee9ng nhu c\u1ea7u c\u1ee7a h\u1ecd trong tr\u01b0\u1eddng h\u1ee3p b\u1ecb t\u1ea5n c\u00f4ng.<\/span><\/p>\n

Cu\u1ed1i c\u00f9ng, c\u00e1c t\u1ed5 ch\u1ee9c n\u00ean \u0111\u1ea3m b\u1ea3o r\u1eb1ng h\u1ecd c\u00f3 s\u1eb5n c\u00e1c h\u1ec7 th\u1ed1ng sao l\u01b0u \u0111\u1ea7y \u0111\u1ee7 \u0111\u1ec3 c\u00f3 th\u1ec3 nhanh ch\u00f3ng kh\u00f4i ph\u1ee5c c\u00e1c d\u1ecbch v\u1ee5 n\u1ebfu c\u1ea7n. B\u1eb1ng c\u00e1ch th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p n\u00e0y, c\u00e1c t\u1ed5 ch\u1ee9c c\u00f3 th\u1ec3 gi\u1ea3m kh\u1ea3 n\u0103ng b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng DDoS trong t\u01b0\u01a1ng lai.<\/span><\/p>","protected":false},"excerpt":{"rendered":"

C\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng t\u1eeb ch\u1ed1i d\u1ecbch v\u1ee5 ph\u00e2n t\u00e1n l\u00e0 m\u1ed9t trong nh\u1eefng m\u1ed1i \u0111e d\u1ecda nghi\u00eam tr\u1ecdng nh\u1ea5t m\u00e0 c\u00e1c doanh nghi\u1ec7p v\u00e0 t\u1ed5 ch\u1ee9c ph\u1ea3i \u0111\u1ed1i m\u1eb7t tr\u00ean internet. Trong n\u1eeda \u0111\u1ea7u n\u0103m 2022, n\u1ec1n t\u1ea3ng b\u1ea3o m\u1eadt c\u1ee7a CDNetworks \u0111\u00e3 theo d\u00f5i v\u00e0 ng\u0103n ch\u1eb7n c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng m\u1ea1ng trung […]<\/p>","protected":false},"author":2,"featured_media":17539,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[301,17],"tags":[452],"yoast_head":"\nC\u00e1ch ng\u0103n ch\u1eb7n cu\u1ed9c t\u1ea5n c\u00f4ng DDoS - VNSO<\/title>\n<meta name=\"description\" content=\"Trong n\u1eeda \u0111\u1ea7u n\u0103m 2022, n\u1ec1n t\u1ea3ng b\u1ea3o m\u1eadt c\u1ee7a CDNetworks \u0111\u00e3 theo d\u00f5i v\u00e0 ng\u0103n ch\u1eb7n c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng m\u1ea1ng trung b\u00ecnh 429.000 cu\u1ed9c t\u1ea5n c\u00f4ng DDoS\" \/>\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\/cach-ngan-chan-cuoc-tan-cong-ddos-vnso\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"C\u00e1ch Ng\u0103n Ch\u1eb7n Cu\u1ed9c T\u1ea5n C\u00f4ng DDoS - VNSO\" \/>\n<meta property=\"og:description\" content=\"Trong n\u1eeda \u0111\u1ea7u n\u0103m 2022, n\u1ec1n t\u1ea3ng b\u1ea3o m\u1eadt c\u1ee7a CDNetworks \u0111\u00e3 theo d\u00f5i v\u00e0 ng\u0103n ch\u1eb7n c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng m\u1ea1ng trung b\u00ecnh 429.000 cu\u1ed9c t\u1ea5n c\u00f4ng DDoS\" \/>\n<meta property=\"og:url\" content=\"https:\/\/vnso.vn\/en\/cach-ngan-chan-cuoc-tan-cong-ddos-vnso\/\" \/>\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=\"2023-08-24T04:45:36+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-06-27T02:55:13+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/vnso.vn\/wp-content\/uploads\/2023\/08\/feature1.png\" \/>\n\t<meta property=\"og:image:width\" content=\"830\" \/>\n\t<meta property=\"og:image:height\" content=\"434\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"vannguyen\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"vannguyen\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"9 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/vnso.vn\/cach-ngan-chan-cuoc-tan-cong-ddos-vnso\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/vnso.vn\/cach-ngan-chan-cuoc-tan-cong-ddos-vnso\/\"},\"author\":{\"name\":\"vannguyen\",\"@id\":\"https:\/\/vnso.vn\/#\/schema\/person\/9c3e4c776d4cf5d9208ae6467a24adef\"},\"headline\":\"C\u00e1ch Ng\u0103n Ch\u1eb7n Cu\u1ed9c T\u1ea5n C\u00f4ng DDoS – VNSO\",\"datePublished\":\"2023-08-24T04:45:36+00:00\",\"dateModified\":\"2024-06-27T02:55:13+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/vnso.vn\/cach-ngan-chan-cuoc-tan-cong-ddos-vnso\/\"},\"wordCount\":2812,\"publisher\":{\"@id\":\"https:\/\/vnso.vn\/#organization\"},\"image\":{\"@id\":\"https:\/\/vnso.vn\/cach-ngan-chan-cuoc-tan-cong-ddos-vnso\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/vnso.vn\/wp-content\/uploads\/2023\/08\/feature1.png\",\"keywords\":[\"Ng\u0103n Ch\u1eb7n T\u1ea5n C\u00f4ng M\u1ea1ng\"],\"articleSection\":[\"Gi\u1ea3i Ph\u00e1p Ch\u1ed1ng DDoS\",\"Th\u00f4ng tin chung\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/vnso.vn\/cach-ngan-chan-cuoc-tan-cong-ddos-vnso\/\",\"url\":\"https:\/\/vnso.vn\/cach-ngan-chan-cuoc-tan-cong-ddos-vnso\/\",\"name\":\"C\u00e1ch ng\u0103n ch\u1eb7n cu\u1ed9c t\u1ea5n c\u00f4ng DDoS - 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