{"id":476050,"date":"2023-08-09T07:25:33","date_gmt":"2023-08-09T07:25:33","guid":{"rendered":""},"modified":"2023-09-05T11:11:56","modified_gmt":"2023-09-05T11:11:56","slug":"blackholing","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/vn\/wiki\/blackholing\/","title":{"rendered":"h\u1ed1 \u0111en"},"content":{"rendered":"<p>Blackholing l\u00e0 m\u1ed9t kh\u00e1i ni\u1ec7m b\u1ea3o m\u1eadt m\u1ea1ng quan tr\u1ecdng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ch\u1ed1ng l\u1ea1i c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng t\u1eeb ch\u1ed1i d\u1ecbch v\u1ee5 ph\u00e2n t\u00e1n (DDoS). \u0110\u00e2y l\u00e0 m\u1ed9t k\u1ef9 thu\u1eadt thi\u1ebft y\u1ebfu \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o m\u1ea1ng ho\u1ea1t \u0111\u1ed9ng tr\u01a1n tru v\u00e0 ng\u0103n ch\u1eb7n l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp \u0111\u1ed9c h\u1ea1i tr\u00e0n ng\u1eadp c\u00e1c d\u1ecbch v\u1ee5 tr\u1ef1c tuy\u1ebfn. B\u1eb1ng c\u00e1ch chuy\u1ec3n h\u01b0\u1edbng l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp \u0111\u1ed9c h\u1ea1i sang \u201cl\u1ed7 \u0111en\u201d, l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp h\u1ee3p ph\u00e1p c\u00f3 th\u1ec3 ti\u1ebfp t\u1ee5c ch\u1ea3y kh\u00f4ng b\u1ecb gi\u00e1n \u0111o\u1ea1n, b\u1ea3o v\u1ec7 s\u1ef1 \u1ed5n \u0111\u1ecbnh c\u1ee7a m\u1ea1ng.<\/p>\n<h2>L\u1ecbch s\u1eed ngu\u1ed3n g\u1ed1c c\u1ee7a Blackholing v\u00e0 s\u1ef1 \u0111\u1ec1 c\u1eadp \u0111\u1ea7u ti\u00ean v\u1ec1 n\u00f3<\/h2>\n<p>Kh\u00e1i ni\u1ec7m Blackholing n\u1ed5i l\u00ean nh\u01b0 m\u1ed9t ph\u1ea3n \u1ee9ng tr\u01b0\u1edbc m\u1ed1i \u0111e d\u1ecda leo thang c\u1ee7a c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng DDoS v\u00e0o \u0111\u1ea7u nh\u1eefng n\u0103m 1990. Vi\u1ec7c \u0111\u1ec1 c\u1eadp \u0111\u1ebfn Blackholing l\u1ea7n \u0111\u1ea7u ti\u00ean c\u00f3 th\u1ec3 b\u1eaft ngu\u1ed3n t\u1eeb L\u1ef1c l\u01b0\u1ee3ng \u0111\u1eb7c nhi\u1ec7m k\u1ef9 thu\u1eadt Internet (IETF) v\u00e0o n\u0103m 1997, n\u01a1i n\u00f3 \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t nh\u01b0 m\u1ed9t bi\u1ec7n ph\u00e1p \u0111\u1ed1i ph\u00f3 ti\u1ec1m n\u0103ng ch\u1ed1ng l\u1ea1i c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng DDoS. K\u1ec3 t\u1eeb \u0111\u00f3, Blackholing \u0111\u00e3 ph\u00e1t tri\u1ec3n \u0111\u00e1ng k\u1ec3 v\u00e0 tr\u1edf th\u00e0nh m\u1ed9t c\u00f4ng c\u1ee5 c\u01a1 b\u1ea3n trong an ninh m\u1ea1ng.<\/p>\n<h2>Th\u00f4ng tin chi ti\u1ebft v\u1ec1 Blackholing: M\u1edf r\u1ed9ng ch\u1ee7 \u0111\u1ec1<\/h2>\n<p>Blackholing li\u00ean quan \u0111\u1ebfn vi\u1ec7c h\u01b0\u1edbng l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp \u0111\u1ed9c h\u1ea1i \u0111\u1ebfn \u0111\u1ecba ch\u1ec9 IP m\u1ee5c ti\u00eau \u0111\u1ebfn \u0111\u00edch kh\u00f4ng c\u00f3 gi\u00e1 tr\u1ecb ho\u1eb7c kh\u00f4ng th\u1ec3 truy c\u1eadp \u0111\u01b0\u1ee3c, lo\u1ea1i b\u1ecf c\u00e1c g\u00f3i \u0111\u1ed9c h\u1ea1i m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3. Qu\u00e1 tr\u00ecnh n\u00e0y ng\u0103n ch\u1eb7n l\u01b0u l\u01b0\u1ee3ng \u0111\u1ed9c h\u1ea1i ti\u1ebfp c\u1eadn m\u1ee5c ti\u00eau \u0111\u00e3 \u0111\u1ecbnh v\u00e0 gi\u1ea3m thi\u1ec3u t\u00e1c \u0111\u1ed9ng c\u1ee7a cu\u1ed9c t\u1ea5n c\u00f4ng DDoS l\u00ean m\u1ea1ng c\u1ee7a n\u1ea1n nh\u00e2n. ISP (Nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 Internet) v\u00e0 c\u00e1c nh\u00e0 khai th\u00e1c m\u1ea1ng l\u1edbn th\u01b0\u1eddng tri\u1ec3n khai Blackholing \u0111\u1ec3 b\u1ea3o v\u1ec7 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng v\u00e0 kh\u00e1ch h\u00e0ng c\u1ee7a h\u1ecd.<\/p>\n<h2>C\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a Blackholing: N\u00f3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o<\/h2>\n<p>Blackholing ho\u1ea1t \u0111\u1ed9ng \u1edf c\u1ea5p \u0111\u1ed9 m\u1ea1ng, d\u1ef1a v\u00e0o c\u01a1 ch\u1ebf \u0111\u1ecbnh tuy\u1ebfn v\u00e0 l\u1ecdc \u0111\u1ec3 x\u1eed l\u00fd l\u01b0u l\u01b0\u1ee3ng \u0111\u1ed9c h\u1ea1i. Khi m\u1ea1ng b\u1ecb t\u1ea5n c\u00f4ng DDoS, l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp \u0111\u01b0\u1ee3c ph\u00e2n t\u00edch \u1edf bi\u00ean m\u1ea1ng, n\u01a1i b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn x\u00e1c \u0111\u1ecbnh ngu\u1ed3n c\u1ee7a g\u00f3i \u0111\u1ed9c h\u1ea1i d\u1ef1a tr\u00ean nhi\u1ec1u ti\u00eau ch\u00ed kh\u00e1c nhau, ch\u1eb3ng h\u1ea1n nh\u01b0 \u0111\u1ecba ch\u1ec9 IP ngu\u1ed3n, k\u00edch th\u01b0\u1edbc g\u00f3i ho\u1eb7c t\u1ed1c \u0111\u1ed9 l\u01b0u l\u01b0\u1ee3ng. L\u01b0u l\u01b0\u1ee3ng truy c\u1eadp \u0111\u1ed9c h\u1ea1i \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh sau \u0111\u00f3 s\u1ebd \u0111\u01b0\u1ee3c chuy\u1ec3n h\u01b0\u1edbng \u0111\u1ebfn \u201cl\u1ed7 \u0111en\u201d ho\u1eb7c \u0111\u1ecba ch\u1ec9 IP kh\u00f4ng t\u1ed3n t\u1ea1i, ng\u0103n kh\u00f4ng cho n\u00f3 ti\u1ebfp c\u1eadn m\u1ee5c ti\u00eau.<\/p>\n<h2>Ph\u00e2n t\u00edch c\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a Blackholing<\/h2>\n<p>Hi\u1ec7u qu\u1ea3 c\u1ee7a Blackholing n\u1eb1m \u1edf s\u1ef1 \u0111\u01a1n gi\u1ea3n v\u00e0 hi\u1ec7u qu\u1ea3 c\u1ee7a n\u00f3. C\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a Blackholing bao g\u1ed3m:<\/p>\n<ol>\n<li>\n<p><strong>Gi\u1ea3m thi\u1ec3u nhanh ch\u00f3ng:<\/strong> Blackholing c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t nhanh ch\u00f3ng \u0111\u1ec3 \u1ee9ng ph\u00f3 v\u1edbi c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng DDoS, gi\u1ea3m thi\u1ec3u t\u00e1c \u0111\u1ed9ng c\u1ee7a cu\u1ed9c t\u1ea5n c\u00f4ng m\u1ed9t c\u00e1ch k\u1ecbp th\u1eddi.<\/p>\n<\/li>\n<li>\n<p><strong>Chi ph\u00ed t\u1ed1i thi\u1ec3u:<\/strong> Vi\u1ec7c tri\u1ec3n khai Blackholing kh\u00f4ng t\u0103ng th\u00eam chi ph\u00ed x\u1eed l\u00fd \u0111\u00e1ng k\u1ec3 v\u00ec n\u00f3 d\u1ef1a v\u00e0o c\u00e1c c\u01a1 ch\u1ebf l\u1ecdc v\u00e0 \u0111\u1ecbnh tuy\u1ebfn hi\u1ec7n c\u00f3.<\/p>\n<\/li>\n<li>\n<p><strong>Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng:<\/strong> Blackholing c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng cho c\u00e1c m\u1ea1ng quy m\u00f4 l\u1edbn, khi\u1ebfn n\u00f3 ph\u00f9 h\u1ee3p \u0111\u1ec3 b\u1ea3o v\u1ec7 c\u00e1c c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng l\u1edbn.<\/p>\n<\/li>\n<li>\n<p><strong>Nh\u1eafm m\u1ee5c ti\u00eau c\u00f3 ch\u1ecdn l\u1ecdc:<\/strong> Blackholing cho ph\u00e9p nh\u1eafm m\u1ee5c ti\u00eau c\u00f3 ch\u1ecdn l\u1ecdc l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp \u0111\u1ed9c h\u1ea1i trong khi cho ph\u00e9p l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp h\u1ee3p ph\u00e1p ti\u1ebfp t\u1ee5c l\u01b0u chuy\u1ec3n b\u00ecnh th\u01b0\u1eddng.<\/p>\n<\/li>\n<\/ol>\n<h2>C\u00e1c lo\u1ea1i l\u1ed7 \u0111en<\/h2>\n<p>C\u00f3 hai lo\u1ea1i Blackholing ch\u00ednh:<\/p>\n<ol>\n<li>\n<p><strong>L\u1ed7 \u0111en Unicast:<\/strong> Trong ph\u01b0\u01a1ng ph\u00e1p n\u00e0y, l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp \u0111\u1ed9c h\u1ea1i \u0111\u1ebfn m\u1ed9t \u0111\u1ecba ch\u1ec9 IP c\u1ee5 th\u1ec3 s\u1ebd b\u1ecb lo\u1ea1i b\u1ecf \u1edf r\u00eca m\u1ea1ng, ch\u1ec9 ch\u1eb7n \u0111\u00edch c\u1ee5 th\u1ec3 \u0111\u00f3 m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/p>\n<\/li>\n<li>\n<p><strong>Anycast Blackholing:<\/strong> \u0110\u1ecba ch\u1ec9 IP Anycast \u0111\u01b0\u1ee3c chia s\u1ebb gi\u1eefa nhi\u1ec1u m\u00e1y ch\u1ee7 \u0111\u1eb7t t\u1ea1i c\u00e1c v\u1ecb tr\u00ed \u0111\u1ecba l\u00fd kh\u00e1c nhau. Khi m\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng DDoS x\u1ea3y ra, l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp \u0111\u1ed9c h\u1ea1i s\u1ebd \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ebfn m\u00e1y ch\u1ee7 g\u1ea7n nh\u1ea5t trong nh\u00f3m Anycast, sau \u0111\u00f3 th\u1ef1c hi\u1ec7n vi\u1ec7c t\u1ea1o l\u1ed7 \u0111en cho \u0111\u1ecba ch\u1ec9 IP \u0111\u01b0\u1ee3c nh\u1eafm m\u1ee5c ti\u00eau.<\/p>\n<\/li>\n<\/ol>\n<p>B\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y t\u00f3m t\u1eaft nh\u1eefng kh\u00e1c bi\u1ec7t ch\u00ednh gi\u1eefa Unicast v\u00e0 Anycast Blackholing:<\/p>\n<table>\n<thead>\n<tr>\n<th><strong>Ki\u1ec3u<\/strong><\/th>\n<th><strong>S\u1ef1 mi\u00eau t\u1ea3<\/strong><\/th>\n<th><strong>Thu\u1eadn l\u1ee3i<\/strong><\/th>\n<th><strong>Nh\u01b0\u1ee3c \u0111i\u1ec3m<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>L\u1ed7 \u0111en \u0111\u01a1n h\u01b0\u1edbng<\/td>\n<td>Gi\u1ea3m l\u01b0u l\u01b0\u1ee3ng \u0111\u1ed9c h\u1ea1i cho m\u1ed9t \u0111\u1ecba ch\u1ec9 c\u1ee5 th\u1ec3<\/td>\n<td>Nh\u1eafm m\u1ee5c ti\u00eau ch\u00ednh x\u00e1c<\/td>\n<td>Ph\u1ea1m vi \u0111\u1ecba l\u00fd h\u1ea1n ch\u1ebf<\/td>\n<\/tr>\n<tr>\n<td>Anycast Blackholing<\/td>\n<td>Gi\u1ea3m l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp \u0111\u1ed9c h\u1ea1i t\u1ea1i m\u00e1y ch\u1ee7 g\u1ea7n nh\u1ea5t<\/td>\n<td>Ph\u00e2n b\u1ed1 \u0111\u1ecba l\u00fd<\/td>\n<td>C\u00e1c v\u1ea5n \u0111\u1ec1 \u0111\u1ecbnh tuy\u1ebfn ti\u1ec1m \u1ea9n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>C\u00e1ch s\u1eed d\u1ee5ng Blackholing, c\u00e1c v\u1ea5n \u0111\u1ec1 v\u00e0 gi\u1ea3i ph\u00e1p li\u00ean quan \u0111\u1ebfn vi\u1ec7c s\u1eed d\u1ee5ng<\/h2>\n<p>Blackholing c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng m\u1ed9t c\u00e1ch ch\u1ee7 \u0111\u1ed9ng ho\u1eb7c ph\u1ea3n \u1ee9ng:<\/p>\n<ol>\n<li>\n<p><strong>S\u1eed d\u1ee5ng ch\u1ee7 \u0111\u1ed9ng:<\/strong> C\u00e1c nh\u00e0 khai th\u00e1c m\u1ea1ng c\u00f3 th\u1ec3 \u0111\u1ecbnh c\u1ea5u h\u00ecnh b\u1ed9 l\u1ecdc Blackholing \u0111\u1ec3 t\u00ecm c\u00e1c ngu\u1ed3n t\u1ea5n c\u00f4ng DDoS \u0111\u00e3 bi\u1ebft ho\u1eb7c c\u00e1c m\u1eabu l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp \u0111\u00e1ng ng\u1edd.<\/p>\n<\/li>\n<li>\n<p><strong>C\u00e1ch s\u1eed d\u1ee5ng ph\u1ea3n \u1ee9ng:<\/strong> Khi ph\u00e1t hi\u1ec7n m\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng DDoS \u0111ang di\u1ec5n ra, Blackholing c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t \u0111\u1ec3 nhanh ch\u00f3ng gi\u1ea3m thi\u1ec3u t\u00e1c \u0111\u1ed9ng.<\/p>\n<\/li>\n<\/ol>\n<p>Tuy nhi\u00ean, Blackholing kh\u00f4ng ph\u1ea3i l\u00e0 kh\u00f4ng c\u00f3 th\u00e1ch th\u1ee9c:<\/p>\n<ol>\n<li>\n<p><strong>T\u00edch c\u1ef1c sai:<\/strong> Vi\u1ec7c b\u00f4i \u0111en c\u00f3 th\u1ec3 v\u00f4 t\u00ecnh ch\u1eb7n l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp h\u1ee3p ph\u00e1p n\u1ebfu qu\u00e1 tr\u00ecnh nh\u1eadn d\u1ea1ng kh\u00f4ng ch\u00ednh x\u00e1c.<\/p>\n<\/li>\n<li>\n<p><strong>Thi\u1ec7t h\u1ea1i t\u00e0i s\u1ea3n th\u1ebf ch\u1ea5p:<\/strong> Trong Anycast Blackholing, vi\u1ec7c ch\u1eb7n l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp cho m\u1ed9t m\u1ee5c ti\u00eau c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1c d\u1ecbch v\u1ee5 kh\u00e1c s\u1eed d\u1ee5ng c\u00f9ng IP Anycast.<\/p>\n<\/li>\n<\/ol>\n<p>\u0110\u1ec3 gi\u1ea3i quy\u1ebft nh\u1eefng th\u00e1ch th\u1ee9c n\u00e0y, vi\u1ec7c gi\u00e1m s\u00e1t li\u00ean t\u1ee5c, tinh ch\u1ec9nh c\u00e1c quy t\u1eafc l\u1ecdc v\u00e0 c\u1ed9ng t\u00e1c gi\u1eefa c\u00e1c ISP l\u00e0 r\u1ea5t c\u1ea7n thi\u1ebft.<\/p>\n<h2>C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh v\u00e0 nh\u1eefng so s\u00e1nh kh\u00e1c v\u1edbi c\u00e1c thu\u1eadt ng\u1eef t\u01b0\u01a1ng t\u1ef1<\/h2>\n<p><strong>Blackholing so v\u1edbi Sinkholing:<\/strong><br \/>\nC\u1ea3 Blackholing v\u00e0 Sinkholing \u0111\u1ec1u l\u00e0 c\u00e1c k\u1ef9 thu\u1eadt gi\u1ea3m thi\u1ec3u DDoS, nh\u01b0ng ch\u00fang kh\u00e1c nhau v\u1ec1 c\u00e1ch ti\u1ebfp c\u1eadn. Trong khi Blackholing th\u1ea3 l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp \u0111\u1ed9c h\u1ea1i \u1edf r\u00eca m\u1ea1ng, Sinkholing chuy\u1ec3n h\u01b0\u1edbng n\u00f3 \u0111\u1ebfn m\u1ed9t m\u00e1y ch\u1ee7 \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t (\u201ch\u1ed1 ch\u00ecm\u201d) \u0111\u1ec3 ph\u00e2n t\u00edch v\u00e0 gi\u00e1m s\u00e1t.<\/p>\n<p><strong>Blackholing so v\u1edbi danh s\u00e1ch tr\u1eafng:<\/strong><br \/>\nBlackholing li\u00ean quan \u0111\u1ebfn vi\u1ec7c ch\u1eb7n l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp \u0111\u1ed9c h\u1ea1i, trong khi Danh s\u00e1ch tr\u1eafng ch\u1ec9 cho ph\u00e9p l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t tr\u01b0\u1edbc \u0111\u1ec3 truy c\u1eadp m\u1ea1ng ho\u1eb7c d\u1ecbch v\u1ee5.<\/p>\n<h2>Quan \u0111i\u1ec3m v\u00e0 c\u00f4ng ngh\u1ec7 c\u1ee7a t\u01b0\u01a1ng lai li\u00ean quan \u0111\u1ebfn Blackholing<\/h2>\n<p>Khi c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng DDoS ti\u1ebfp t\u1ee5c ph\u00e1t tri\u1ec3n, c\u00e1c k\u1ef9 thu\u1eadt Blackholing c\u0169ng s\u1ebd ti\u1ebfn b\u1ed9 \u0111\u1ec3 theo k\u1ecbp b\u1ed1i c\u1ea3nh m\u1ed1i \u0111e d\u1ecda \u0111ang thay \u0111\u1ed5i. C\u00e1c c\u00f4ng ngh\u1ec7 trong t\u01b0\u01a1ng lai c\u00f3 th\u1ec3 li\u00ean quan \u0111\u1ebfn thu\u1eadt to\u00e1n h\u1ecdc m\u00e1y \u0111\u1ec3 nh\u1eadn d\u1ea1ng l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp ch\u00ednh x\u00e1c h\u01a1n v\u00e0 k\u00edch ho\u1ea1t Blackholing \u0111\u1ed9ng d\u1ef1a tr\u00ean ph\u00e2n t\u00edch th\u1eddi gian th\u1ef1c.<\/p>\n<h2>C\u00e1ch m\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ho\u1eb7c li\u00ean k\u1ebft v\u1edbi Blackholing<\/h2>\n<p>M\u00e1y ch\u1ee7 proxy \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong b\u1ea3o m\u1eadt m\u1ea1ng v\u00e0 c\u00f3 th\u1ec3 b\u1ed5 sung cho c\u00e1c chi\u1ebfn l\u01b0\u1ee3c Blackholing. B\u1eb1ng c\u00e1ch \u0111\u00f3ng vai tr\u00f2 trung gian gi\u1eefa m\u00e1y kh\u00e1ch v\u00e0 m\u00e1y ch\u1ee7 m\u1ee5c ti\u00eau, m\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 gi\u1ea3m t\u1ea3i l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp, gi\u1ea3m thi\u1ec3u c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng DDoS v\u00e0 tri\u1ec3n khai Blackholing hi\u1ec7u qu\u1ea3 h\u01a1n. Ngo\u00e0i ra, c\u00e1c nh\u00e0 cung c\u1ea5p m\u00e1y ch\u1ee7 proxy nh\u01b0 OneProxy (oneproxy.pro) c\u00f3 th\u1ec3 cung c\u1ea5p c\u00e1c t\u00f9y ch\u1ecdn l\u1ecdc n\u00e2ng cao \u0111\u1ec3 n\u00e2ng cao kh\u1ea3 n\u0103ng Blackholing cho kh\u00e1ch h\u00e0ng c\u1ee7a h\u1ecd.<\/p>\n<h2>Li\u00ean k\u1ebft li\u00ean quan<\/h2>\n<p>\u0110\u1ec3 bi\u1ebft th\u00eam th\u00f4ng tin v\u1ec1 Blackholing v\u00e0 an ninh m\u1ea1ng:<\/p>\n<ul>\n<li><a href=\"https:\/\/www.ietf.org\/rfc\/rfc3882.txt\" target=\"_new\" rel=\"noopener nofollow\">https:\/\/www.ietf.org\/rfc\/rfc3882.txt<\/a><\/li>\n<li><a href=\"https:\/\/www.cloudflare.com\/learning\/ddos\/glossary\/blackhole-routing\/\" target=\"_new\" rel=\"noopener nofollow\">https:\/\/www.cloudflare.com\/learning\/ddos\/glossary\/blackhole-routing\/<\/a><\/li>\n<li><a href=\"https:\/\/www.arbornetworks.com\/blog\/asert\/using-blackhole-routing-protect-today\/\" target=\"_new\" rel=\"noopener nofollow\">https:\/\/www.arbornetworks.com\/blog\/asert\/using-blackhole-routing-protect-today\/<\/a><\/li>\n<\/ul>\n<p>T\u00f3m l\u1ea1i, Blackholing l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 kh\u00f4ng th\u1ec3 thi\u1ebfu trong cu\u1ed9c chi\u1ebfn ch\u1ed1ng l\u1ea1i c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng DDoS, \u0111\u1ea3m b\u1ea3o s\u1ef1 \u1ed5n \u0111\u1ecbnh v\u00e0 b\u1ea3o m\u1eadt c\u1ee7a c\u00e1c m\u1ea1ng hi\u1ec7n \u0111\u1ea1i. V\u1edbi nh\u1eefng ti\u1ebfn b\u1ed9 kh\u00f4ng ng\u1eebng v\u1ec1 c\u00f4ng ngh\u1ec7 v\u00e0 s\u1ef1 h\u1ee3p t\u00e1c gi\u1eefa c\u00e1c nh\u00e0 khai th\u00e1c m\u1ea1ng, Blackholing s\u1ebd ti\u1ebfp t\u1ee5c l\u00e0 m\u1ed9t c\u01a1 ch\u1ebf b\u1ea3o v\u1ec7 quan tr\u1ecdng \u0111\u1ec3 b\u1ea3o v\u1ec7 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng v\u00e0 d\u1ecbch v\u1ee5 tr\u1ef1c tuy\u1ebfn.<\/p>","protected":false},"featured_media":476051,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-476050","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Blackholing: A Comprehensive Guide<\/mark>","faq_items":[{"question":"What is Blackholing, and how does it work?","answer":"<p>Blackholing is a vital network security technique used to counter Distributed Denial of Service (DDoS) attacks. It involves directing malicious traffic destined for a target IP address to a null or unreachable destination, effectively discarding the malicious packets. This prevents the malicious traffic from reaching its intended target, ensuring the smooth functioning of the network.<\/p>"},{"question":"When was Blackholing first mentioned, and what is its history?","answer":"<p>The first mention of Blackholing can be traced back to the Internet Engineering Task Force (IETF) in 1997, where it was proposed as a countermeasure against DDoS attacks. Since then, Blackholing has evolved into a fundamental tool in network security, safeguarding online services and infrastructures.<\/p>"},{"question":"What are the different types of Blackholing?","answer":"<p>There are two main types of Blackholing:<\/p><ol><li>Unicast Blackholing: Drops malicious traffic for a specific IP address.<\/li><li>Anycast Blackholing: Drops malicious traffic at the closest server, which shares an anycast IP address with other servers.<\/li><\/ol>"},{"question":"What are the key features of Blackholing?","answer":"<p>The key features of Blackholing include rapid mitigation, minimal overhead, scalability, and selective targeting. It is a simple and efficient technique to protect networks from DDoS attacks.<\/p>"},{"question":"How can Blackholing be used proactively and reactively?","answer":"<p>Blackholing can be employed proactively by configuring filters for known sources of DDoS attacks. It can also be used reactively when an ongoing DDoS attack is detected, quickly mitigating its impact.<\/p>"},{"question":"What challenges are associated with Blackholing?","answer":"<p>Blackholing may face challenges such as false positives, where legitimate traffic might be blocked, and potential collateral damage in Anycast Blackholing, affecting other services sharing the same anycast IP. Continuous monitoring and collaboration between ISPs are crucial to address these challenges effectively.<\/p>"},{"question":"How can proxy servers be associated with Blackholing?","answer":"<p>Proxy servers play a crucial role in enhancing Blackholing strategies. By acting as intermediaries, proxy servers can offload traffic, mitigate DDoS attacks, and implement Blackholing more efficiently. OneProxy's services offer advanced filtering options to enhance your network's security.<\/p>"},{"question":"What is the future outlook for Blackholing and network security?","answer":"<p>As DDoS attacks evolve, Blackholing techniques will also advance. Future technologies may involve machine learning algorithms for more accurate traffic identification and dynamic Blackholing activation based on real-time analysis.<\/p>"},{"question":"Where can I find additional resources on Blackholing and network security?","answer":"<p>For more in-depth information about Blackholing and network security, you can explore the following links:<\/p><ul><li><a href=\"https:\/\/www.ietf.org\/rfc\/rfc3882.txt\" target=\"_new\">https:\/\/www.ietf.org\/rfc\/rfc3882.txt<\/a><\/li><li><a href=\"https:\/\/www.cloudflare.com\/learning\/ddos\/glossary\/blackhole-routing\/\" target=\"_new\">https:\/\/www.cloudflare.com\/learning\/ddos\/glossary\/blackhole-routing\/<\/a><\/li><li><a href=\"https:\/\/www.arbornetworks.com\/blog\/asert\/using-blackhole-routing-protect-today\/\" target=\"_new\">https:\/\/www.arbornetworks.com\/blog\/asert\/using-blackhole-routing-protect-today\/<\/a><\/li><\/ul><p>Stay informed and stay protected with the latest insights into Blackholing and its significance in network security!<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/476050","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/476050\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media\/476051"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media?parent=476050"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}