{"id":2612,"date":"2019-08-26T16:20:19","date_gmt":"2019-08-26T09:20:19","guid":{"rendered":"https:\/\/adg.vn\/en\/?p=2612"},"modified":"2019-08-26T16:20:19","modified_gmt":"2019-08-26T09:20:19","slug":"bao-mat-trung-tam-du-lieu-phan-2","status":"publish","type":"post","link":"https:\/\/adg.vn\/en\/tech-news\/bao-mat-trung-tam-du-lieu-phan-2","title":{"rendered":"B\u1ea3o m\u1eadt Trung t\u00e2m D\u1eef li\u1ec7u (Ph\u1ea7n 2)"},"content":{"rendered":"<h1><strong><span style=\"font-size: 16px;\">Ph\u1ea7n 2: C\u00e1c y\u1ebfu t\u1ed1 b\u1ea3o m\u1eadt<\/span><\/strong><\/h1>\n<h1><span style=\"font-size: 16px;\"><strong>C\u00e1c y\u1ebfu t\u1ed1 b\u1ea3o m\u1eadt<\/strong>\u00a0<\/span><strong><span style=\"font-size: 16px;\">A<\/span><\/strong><\/h1>\n<p><span style=\"font-size: 16px;\">M\u1ed9t s\u1ed1 y\u00eau c\u1ea7u t\u1ed3n t\u1ea1i \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o cho h\u1ec7 th\u1ed1ng Trung t\u00e2m d\u1eef li\u1ec7u. Ch\u00fang ta c\u00f3 th\u1ec3 ph\u00e2n chia c\u00e1c y\u1ebfu t\u1ed1 th\u00e0nh c\u00e1c lo\u1ea1i sau:<\/span><\/p>\n<ul>\n<li><span style=\"font-size: 16px;\">Ph\u1ea1m vi b\u1ea3o v\u1ec7.<\/span><\/li>\n<li><span style=\"font-size: 16px;\">Ph\u00e2n \u0111o\u1ea1n.<\/span><\/li>\n<li><span style=\"font-size: 16px;\">Th\u1ef1c thi n\u1ed9i d\u1eef li\u1ec7u ch\u00ednh s\u00e1ch trung t\u00e2m<\/span><\/li>\n<li><span style=\"font-size: 16px;\">N\u00e2ng cao kh\u1ea3 n\u0103ng nh\u1eadn bi\u1ebft v\u00e0 tu\u00e2n th\u1ee7.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-size: 16px;\">Ph\u1ea1m vi b\u1ea3o v\u1ec7 \u0111\u1ea1t \u0111\u01b0\u1ee3c th\u00f4ng qua b\u1ea3o v\u1ec7 tr\u01b0\u1edbc t\u1ea5n c\u00f4ng t\u1eeb ch\u1ed1i d\u1ecbch v\u1ee5 (DDoS), Layer 4 access control, l\u1ecdc l\u01b0u l\u01b0\u1ee3ng kh\u00f4ng mong mu\u1ed1n, vi\u1ec7c tri\u1ec3n khai c\u00e1c IP Security (IPsec) v\u00e0 Secure Sockets Layer (SSL) m\u1ea1ng ri\u00eang \u1ea3o (VPN), x\u00e1c th\u1ef1c phi\u00ean, c\u1ea5p quy\u1ec1n v\u00e0 th\u1ef1c hi\u1ec7n g\u00e1n c\u00e1c c\u1ed5ng truy c\u1eadp cho c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c nhau. Vi\u1ec7c b\u1ea3o v\u1ec7 ph\u00e2n \u0111o\u1ea1n bao g\u1ed3m kh\u1ea3 n\u0103ng ph\u00e2n lo\u1ea1i l\u01b0u l\u01b0\u1ee3ng c\u1ee7a \u1ee9ng d\u1ee5ng, Layer 3 subnet, v\u00f9ng b\u1ea3o m\u1eadt, v\u00e0 \u00e1p d\u1ee5ng c\u00e1c ch\u00ednh s\u00e1ch b\u1ea3o m\u1eadt kh\u00e1c nhau.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-2740\" src=\"https:\/\/adg.vn\/wp-content\/uploads\/2019\/08\/4.jpg.png\" alt=\"\" width=\"700\" height=\"241\" \/><\/p>\n<p style=\"text-align: center;\"><span style=\"font-size: 14px;\"><em>Ph\u00e2n v\u00f9ng v\u00e0 ki\u1ec3m so\u00e1t l\u01b0u l\u01b0\u1ee3ng b\u1eb1ng policy<\/em><\/span><\/p>\n<h1><strong><span style=\"font-size: 16px;\">C\u00e1c y\u1ebfu t\u1ed1 b\u1ea3o m\u1eadt B<\/span><\/strong><\/h1>\n<p><span style=\"font-size: 16px;\">Vi\u1ec7c l\u01b0u th\u00f4ng d\u1eef li\u1ec7u n\u1ed9i b\u1ed9 b\u00ean trong h\u1ec7 th\u1ed1ng Trung t\u00e2m d\u1eef li\u1ec7u bao g\u1ed3m kh\u1ea3 n\u0103ng t\u1ea1o profile cho l\u01b0u l\u01b0\u1ee3ng n\u1ed9i b\u1ed9, trong khi \u0111\u1ea3m b\u1ea3o kh\u1ed1i l\u01b0\u1ee3ng l\u01b0u th\u00f4ng tr\u00ean c\u00e1c ph\u00e2n \u0111o\u1ea1n m\u1ea1ng, x\u00e1c \u0111\u1ecbnh c\u1ea3nh b\u00e1o v\u00e0 c\u00e1c ng\u01b0\u1ee1ng, v\u00e0 th\u1eaft ch\u1eb7t quy\u1ec1n c\u1ea5p cho \u1ee9ng d\u1ee5ng.<\/span><\/p>\n<p><span style=\"font-size: 16px;\">Vi\u1ec7c t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng hi\u1ec3n th\u1ecb v\u00e0 tu\u00e2n th\u1ee7 b\u1ea3o v\u1ec7 bao g\u1ed3m x\u00e1c \u0111\u1ecbnh c\u00e1c ch\u00ednh s\u00e1ch an ninh h\u1ee3p nh\u1ea5t \u0111\u1ec3 \u00e1p d\u1ee5ng tr\u00ean t\u1ea5t c\u1ea3 c\u00e1c y\u1ebfu t\u1ed1 m\u1ea1ng, v\u00e0 kh\u1ea3 n\u0103ng \u0111\u1ec3 xem th\u00f4ng tin l\u01b0u l\u01b0\u1ee3ng, kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 c\u00e1c \u1ee9ng d\u1ee5ng, v\u00e0 t\u1ea1o c\u00e1c b\u00e1o c\u00e1o l\u1ea1m d\u1ee5ng v\u00e0 b\u00e1o c\u00e1o ph\u00f9 h\u1ee3p quy \u0111\u1ecbnh t\u1eeb b\u1ea5t k\u1ef3 \u0111i\u1ec3m n\u00e0o trong h\u1ec7 th\u1ed1ng.<\/span><\/p>\n<p><span style=\"font-size: 16px;\">H\u1ec7 \u0111i\u1ec1u h\u00e0nh Junos (Junos OS) c\u00f3 nhi\u1ec1u t\u00ednh n\u0103ng ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c y\u1ebfu t\u1ed1 b\u1ea3o m\u1eadt \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-2741\" src=\"https:\/\/adg.vn\/wp-content\/uploads\/2019\/08\/5.png\" alt=\"\" width=\"1501\" height=\"651\" \/><\/p>\n<p><span style=\"font-size: 16px;\">C\u00e1c t\u00ednh n\u0103ng \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p s\u1eb5n ho\u00e0n to\u00e0n nh\u01b0 Stateful firewall, IPSec VPN, NAT, \u0111\u1ecbnh tuy\u1ebfn bao g\u1ed3m static, RIP, OSPF, BGP, MPLS\u2026.<\/span><br \/>\n<span style=\"font-size: 16px;\">C\u00e1c t\u00ednh n\u0103ng Firewall th\u1ebf h\u1ec7 m\u1edbi (next generation), UTM, Threat v\u00e0 ATP \u0111\u01b0\u1ee3c ph\u00e2n ph\u1ed1i theo h\u00ecnh th\u1ee9c mua license h\u00e0ng n\u0103m.<\/span><\/p>\n<p><span style=\"font-size: 16px;\">Danh s\u00e1ch sau \u0111\u00e2y c\u00f3 ch\u1ee9a m\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1 <span style=\"color: #ff0000;\">ch\u1ed1ng trinh s\u00e1t v\u00e0 DDoS<\/span>:<\/span><\/p>\n<p>&nbsp;<\/p>\n<h1><a name=\"_Toc14691140\"><\/a><span style=\"font-size: 16px;\">C\u00e1c y\u1ebfu t\u1ed1 b\u1ea3o m\u1eadt: Ph\u1ea7n 3<\/span><\/h1>\n<h1><a name=\"_Toc14691141\"><\/a><span style=\"font-size: 16px;\">\u00b7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Ch\u1ed1ng trinh s\u00e1t, thu th\u1eadp th\u00f4ng tin v\u1ec1 h\u1ec7 th\u1ed1ng m\u1ea1ng:<\/span><\/h1>\n<p><span style=\"font-size: 16px;\">\u0110\u1ec3 ph\u00e1t \u0111\u1ed9ng m\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng, hacker c\u1ea7n ph\u1ea3i thu th\u1eadp c\u00e1c th\u00f4ng tin v\u1ec1 h\u1ec7 th\u1ed1ng sau \u0111\u00f3 s\u1ebd l\u00ean k\u1ebf ho\u1ea1ch ph\u00f9 h\u1ee3p \u0111\u1ec3 t\u1ea5n c\u00f4ng d\u1ef1a tr\u00ean c\u00e1c th\u00f4ng tin thu th\u1eadp \u0111\u01b0\u1ee3c.<\/span><\/p>\n<p><span style=\"font-size: 16px;\">Y\u1ebfu t\u1ed1 gi\u00e1n \u0111i\u1ec7p, thu th\u1eadp th\u00f4ng tin n\u1ed9i c\u0169ng nh\u01b0 t\u1ea5n c\u00f4ng ngay t\u1eeb b\u00ean trong m\u1ea1ng l\u00f5i c\u0169ng kh\u00f4ng th\u1ec3 lo\u1ea1i tr\u1eeb.<\/span><\/p>\n<p><span style=\"font-size: 16px;\">Y\u1ebfu t\u1ed1 ng\u01b0\u1eddi d\u00f9ng lu\u00f4n l\u00e0 \u0111i\u1ec3m y\u1ebfu c\u1ee7a m\u1ed9t h\u1ec7 th\u1ed1ng b\u1ea3o m\u1eadt. Vi\u1ec7c m\u1ed9t ng\u01b0\u1eddi d\u00f9ng mang laptop ho\u1eb7c thi\u1ebft b\u1ecb di \u0111\u1ed9ng \u0111\u00e3 qua s\u1eed d\u1ee5ng Internet v\u00e0o h\u1ec7 th\u1ed1ng n\u1ed9i b\u1ed9 l\u00e0 h\u1ebft s\u1ee9c nguy hi\u1ec3m. M\u00e3 \u0111\u1ed9c ho\u1eb7c c\u00e1c lo\u1ea1i virus, malware c\u00f3 th\u1ec3 \u0111\u00e3 t\u1ed3n t\u1ea1i tr\u00ean c\u00e1c thi\u1ebft b\u1ecb s\u1eed d\u1ee5ng Internet v\u00e0 s\u1ebd l\u00e2y nhi\u1ec5m v\u00e0o h\u1ec7 th\u1ed1ng g\u00e2y ra c\u00e1c cu\u1ed9c trinh s\u00e1t thu th\u1eadp th\u00f4ng tin t\u1eeb b\u00ean trong c\u0169ng nh\u01b0 l\u00e0 DDoS ngay t\u1eeb n\u1ed9i b\u1ed9.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-2742\" src=\"https:\/\/adg.vn\/wp-content\/uploads\/2019\/08\/6.png\" alt=\"\" width=\"685\" height=\"376\" \/><\/p>\n<p><span style=\"font-size: 16px;\">T\u00ednh n\u0103ng Screen Options c\u00f3 s\u1eb5n tr\u00ean thi\u1ebft b\u1ecb s\u1ebd h\u1ed7 tr\u1ee3 ng\u0103n ch\u1eb7n vi\u1ec7c trinh s\u00e1t. C\u00f3 th\u1ec3 tham kh\u1ea3o \u0111i\u1ec3n h\u00ecnh nh\u01b0:<\/span><\/p>\n<ul>\n<li><span style=\"font-size: 16px;\">D\u00f2 qu\u00e9t \u0111\u1ecba ch\u1ec9 IP<\/span><\/li>\n<li><span style=\"font-size: 16px;\">D\u00f2 qu\u00e9t c\u00e1c c\u1ed5ng (port) \u0111ang m\u1edf.<\/span><\/li>\n<li><span style=\"font-size: 16px;\">T\u00ecm ki\u1ebfm th\u00f4ng tin IP Options.<\/span><\/li>\n<li><span style=\"font-size: 16px;\">D\u00f2 qu\u00e9t ph\u00e2n lo\u1ea1i h\u1ec7 \u0111i\u1ec1u h\u00e0nh s\u1eed d\u1ee5ng trong h\u1ec7 th\u1ed1ng.<\/span><\/li>\n<li><span style=\"font-size: 16px;\">\u1ea8n m\u00ecnh, x\u00f3a d\u1ea5u v\u1ebft c\u0169ng nh\u01b0 m\u1edf backdoor sau khi t\u1ea5n c\u00f4ng.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-size: 16px;\">Ngo\u00e0i ra Screen Options c\u00f2n h\u1ed7 tr\u1ee3 ph\u00f2ng v\u1ec7 tr\u01b0\u1edbc DDoS, \u0111i\u1ec3n h\u00ecnh nh\u01b0:<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-2729\" src=\"https:\/\/adg.vn\/wp-content\/uploads\/2019\/08\/7.jpg\" alt=\"\" width=\"674\" height=\"646\" \/><\/p>\n<ul>\n<li><span style=\"font-size: 16px;\">SYN flood protection gi\u1edbi h\u1ea1n s\u1ed1 l\u01b0\u1ee3ng g\u00f3i tin SYN m\u1ed7i gi\u00e2y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c g\u1eedi t\u1eeb m\u1ed9t \u0111\u1ecba ch\u1ec9 IP, ho\u1eb7c \u0111\u1ebfn m\u1ed9t \u0111\u1ecba ch\u1ec9 IP, gi\u00fap b\u1ea3o v\u1ec7 m\u1ee5c ti\u00eau, v\u00e0 c\u0169ng gi\u00fap b\u1ea3o v\u1ec7 SRX Series Services Gateway b\u1edfi v\u00ec s\u1ef1 b\u1ea3o v\u1ec7 n\u00e0y \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n trong ph\u1ea7n c\u1ee9ng.<\/span><\/li>\n<li><span style=\"font-size: 16px;\">SYN cookie v\u00e0 SYN proxy protection b\u1ea3o v\u1ec7 ch\u1ed1ng l\u1ea1i c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng SYN spoofing. SYN cookie l\u00e0 c\u01a1 ch\u1ebf \u01b0u ti\u00ean.<\/span><\/li>\n<li><span style=\"font-size: 16px;\">IP session limits h\u1ea1n ch\u1ebf s\u1ed1 phi\u00ean c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u00e0nh l\u1eadp t\u1eeb m\u1ed9t ngu\u1ed3n IP, ho\u1eb7c \u0111\u1ebfn m\u1ed9t \u0111\u1ecba ch\u1ec9 IP \u0111\u00edch.<\/span><\/li>\n<li><span style=\"font-size: 16px;\">Screen v\u1edbi nhi\u1ec1u t\u00ednh n\u0103ng kh\u00e1c nhau bao g\u1ed3m b\u1ea3o v\u1ec7 m\u1ee5c ti\u00eau tr\u01b0\u1edbc c\u00e1c \u0111\u1ee3t DDoS nh\u01b0: invalid flags, Internet Control Message Protocol (ICMP) hay UDP flood protection; ICMP, UDP, hay TCP sweep; IP spoofing, fragmentation v.v.<\/span><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Ph\u1ea7n 2: C\u00e1c y\u1ebfu t\u1ed1 b\u1ea3o m\u1eadtC\u00e1c y\u1ebfu t\u1ed1 b\u1ea3o m\u1eadt\u00a0AM\u1ed9t s\u1ed1 y\u00eau c\u1ea7u t\u1ed3n t\u1ea1i \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o cho&#8230;<\/p>\n","protected":false},"author":1,"featured_media":2613,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2612","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tech-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>B\u1ea3o m\u1eadt Trung t\u00e2m D\u1eef li\u1ec7u (Ph\u1ea7n 2) &#187; 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