{"id":19957,"date":"2024-08-05T15:40:17","date_gmt":"2024-08-05T08:40:17","guid":{"rendered":"https:\/\/thegioifirewall.com\/?p=19957"},"modified":"2025-03-24T07:27:23","modified_gmt":"2025-03-24T07:27:23","slug":"lam-the-nao-de-doc-firewall-logs","status":"publish","type":"post","link":"https:\/\/vacif.com\/en\/lam-the-nao-de-doc-firewall-logs\/","title":{"rendered":"L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 \u0111\u1ecdc Firewall Logs."},"content":{"rendered":"\n<p>T\u01b0\u01a1ng t\u1ef1 nh\u01b0 nh\u1eefng ng\u01b0\u1eddi g\u00e1c c\u1ed5ng, t\u01b0\u1eddng l\u1eeda ki\u1ec3m so\u00e1t nh\u1eefng g\u00ec v\u00e0o v\u00e0 ra c\u1ee7a h\u1ec7 th\u1ed1ng m\u1ea1ng. Ch\u00fang t\u1ea1o ra c\u00e1c b\u1ea3n ghi ghi l\u1ea1i m\u1ecdi h\u00e0nh \u0111\u1ed9ng \u0111i qua ch\u00fang. Vi\u1ec7c m\u1ed9t nh\u00e0 Trung t\u00e2m \u0110i\u1ec1u h\u00e0nh v\u00e0 Ph\u00e2n t\u00edch An ninh m\u1ea1ng (SOC) hi\u1ec3u r\u00f5 c\u00e1c b\u1ea3n ghi n\u00e0y l\u00e0 r\u1ea5t quan tr\u1ecdng. H\u00e3y \u0111\u01a1n gi\u1ea3n h\u00f3a qu\u00e1 tr\u00ecnh di\u1ec5n gi\u1ea3i c\u00e1c b\u1ea3n ghi t\u01b0\u1eddng l\u1eeda.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>X\u00e1c \u0111\u1ecbnh IP v\u00e0 c\u1ed5ng.<\/strong><\/li>\n<\/ol>\n\n\n\n<p>C\u00e1c \u0111\u1ecba ch\u1ec9 IP v\u00e0 s\u1ed1 c\u1ed5ng trong b\u1ea3n ghi t\u01b0\u1eddng l\u1eeda l\u00e0 nh\u1eefng th\u1ee9 \u0111\u1ea7u ti\u00ean b\u1ea1n n\u00ean ki\u1ec3m tra. H\u00e3y xem \u0111\u1ecba ch\u1ec9 IP nh\u01b0 l\u00e0 &#8220;\u0111\u1ecba ch\u1ec9 nh\u00e0&#8221; c\u1ee7a m\u1ed9t m\u00e1y t\u00ednh tr\u00ean m\u1ea1ng, v\u00e0 s\u1ed1 c\u1ed5ng l\u00e0 m\u1ed9t &#8220;ph\u00f2ng&#8221; c\u1ee5 th\u1ec3 trong ng\u00f4i nh\u00e0 \u0111\u00f3 n\u01a1i di\u1ec5n ra vi\u1ec7c li\u00ean l\u1ea1c. B\u1ea3n ghi s\u1ebd hi\u1ec3n th\u1ecb \u0111\u1ecba ch\u1ec9 IP ngu\u1ed3n (n\u01a1i xu\u1ea5t ph\u00e1t c\u1ee7a l\u01b0u l\u01b0\u1ee3ng) v\u00e0 \u0111\u1ecba ch\u1ec9 IP \u0111\u00edch (n\u01a1i l\u01b0u l\u01b0\u1ee3ng \u0111ang \u0111i \u0111\u1ebfn), c\u00f9ng v\u1edbi c\u00e1c s\u1ed1 c\u1ed5ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng.<\/p>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>Nh\u1eadn bi\u1ebft phi\u00ean h\u00e0nh \u0111\u1ed9ng.<\/strong><\/li>\n<\/ol>\n\n\n\n<p>Ph\u1ea7n \u201ch\u00e0nh \u0111\u1ed9ng\u201d c\u1ee7a m\u1ed9t b\u1ea3n ghi m\u00f4 t\u1ea3 c\u00e1c h\u00e0nh \u0111\u1ed9ng c\u1ee7a t\u01b0\u1eddng l\u1eeda \u0111\u1ed1i v\u1edbi l\u01b0u l\u01b0\u1ee3ng m\u1ea1ng. C\u00e1c ho\u1ea1t \u0111\u1ed9ng \u0111i\u1ec3n h\u00ecnh m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 th\u1ea5y l\u00e0 nh\u01b0 sau:<\/p>\n\n\n\n<p><strong>Accept<\/strong>: L\u01b0u l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c ph\u00e9p \u0111i qua.<\/p>\n\n\n\n<p><strong>Deny<\/strong>: Ng\u01b0\u1eddi g\u1eedi \u0111\u01b0\u1ee3c th\u00f4ng b\u00e1o v\u00e0 l\u01b0u l\u01b0\u1ee3ng b\u1ecb d\u1eebng l\u1ea1i.<\/p>\n\n\n\n<p><strong>Drop<\/strong>: Ng\u01b0\u1eddi g\u1eedi kh\u00f4ng \u0111\u01b0\u1ee3c th\u00f4ng b\u00e1o v\u00e0 l\u01b0u l\u01b0\u1ee3ng b\u1ecb ch\u1eb7n.<\/p>\n\n\n\n<p><strong>Close:<\/strong> C\u1ea3 hai b\u00ean \u0111\u1ed3ng \u00fd k\u1ebft th\u00fac vi\u1ec7c li\u00ean l\u1ea1c.<\/p>\n\n\n\n<p><strong>Client-first:<\/strong> Kh\u00e1ch h\u00e0ng (ng\u01b0\u1eddi kh\u1edfi \u0111\u1ea7u vi\u1ec7c li\u00ean l\u1ea1c) \u0111\u00e3 k\u1ebft th\u00fac n\u00f3.<\/p>\n\n\n\n<p><strong>Server-rst:<\/strong> M\u00e1y ch\u1ee7, l\u00e0 ng\u01b0\u1eddi nh\u1eadn c\u1ee7a vi\u1ec7c li\u00ean l\u1ea1c, \u0111\u00e3 k\u1ebft th\u00fac n\u00f3.<\/p>\n\n\n\n<p>C\u00e1c b\u1ea3n ghi ch\u1ee9a th\u00f4ng tin kh\u00e1c nhau. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 danh s\u00e1ch nh\u1eefng g\u00ec b\u1ea1n c\u00f3 th\u1ec3 mong \u0111\u1ee3i th\u1ea5y khi xem x\u00e9t m\u1ed9t b\u1ea3n ghi.<\/p>\n\n\n\n<p>date = Ng\u00e0y<\/p>\n\n\n\n<p>time = Th\u1eddi gian<\/p>\n\n\n\n<p>devname = T\u00ean m\u00e1y ch\u1ee7<\/p>\n\n\n\n<p>devid = ID thi\u1ebft b\u1ecb<\/p>\n\n\n\n<p>eventtime = 1653131198230012501<\/p>\n\n\n\n<p>tz = M\u00fai gi\u1edd<\/p>\n\n\n\n<p>logid = ID b\u1ea3n ghi<\/p>\n\n\n\n<p>type = Lo\u1ea1i b\u1ea3n ghi (traffic, utm, event, v.v.)<\/p>\n\n\n\n<p>subtype = Lo\u1ea1i ph\u1ee5 c\u1ee7a b\u1ea3n ghi (Forward, vpn, webfilter, virus, ips, system, v.v.)<\/p>\n\n\n\n<p>level = M\u1ee9c \u0111\u1ed9 b\u1ea3n ghi<\/p>\n\n\n\n<p>srcip = \u0110\u1ecba ch\u1ec9 IP ngu\u1ed3n<\/p>\n\n\n\n<p>srcname = T\u00ean m\u00e1y ch\u1ee7 ngu\u1ed3n<\/p>\n\n\n\n<p>srcport = C\u1ed5ng ngu\u1ed3n<\/p>\n\n\n\n<p>srcintf = T\u00ean c\u1ed5ng ngu\u1ed3n<\/p>\n\n\n\n<p>srcintfrole = Vai tr\u00f2 c\u1ee7a c\u1ed5ng ngu\u1ed3n<\/p>\n\n\n\n<p>dstip = \u0110\u1ecba ch\u1ec9 IP \u0111\u00edch<\/p>\n\n\n\n<p>dstport = C\u1ed5ng \u0111\u00edch<\/p>\n\n\n\n<p>dstintf = T\u00ean c\u1ed5ng \u0111\u00edch<\/p>\n\n\n\n<p>dstintfrole = Vai tr\u00f2 c\u1ee7a c\u1ed5ng \u0111\u00edch<\/p>\n\n\n\n<p>srccountry = Th\u00f4ng tin qu\u1ed1c gia c\u1ee7a IP ngu\u1ed3n<\/p>\n\n\n\n<p>dstcountry = Th\u00f4ng tin qu\u1ed1c gia c\u1ee7a IP \u0111\u00edch<\/p>\n\n\n\n<p>action = Th\u00f4ng tin v\u1ec1 h\u00e0nh \u0111\u1ed9ng \u0111\u00e3 th\u1ef1c hi\u1ec7n (drop, deny, accept, v.v.)<\/p>\n\n\n\n<p>service = Th\u00f4ng tin d\u1ecbch v\u1ee5<\/p>\n\n\n\n<p>transip = Th\u00f4ng tin NAT IP (\u0111\u1ea7u ra n\u1ed9i b\u1ed9 c\u1ee7a \u0111\u1ecba ch\u1ec9 ngu\u1ed3n ri\u00eang)<\/p>\n\n\n\n<p>transport = Th\u00f4ng tin NAT port<\/p>\n\n\n\n<p>duration = Th\u1eddi gian \u0111\u00e3 tr\u00f4i qua<\/p>\n\n\n\n<p>sentbyte = K\u00edch th\u01b0\u1edbc g\u00f3i tin \u0111\u00e3 g\u1eedi (byte)<\/p>\n\n\n\n<p>rcvdbyte = K\u00edch th\u01b0\u1edbc g\u00f3i tin \u0111\u00e3 nh\u1eadn (byte)<\/p>\n\n\n\n<p>sentpkt = S\u1ed1 l\u01b0\u1ee3ng g\u00f3i tin \u0111\u00e3 g\u1eedi<\/p>\n\n\n\n<p>rcvdpkt = S\u1ed1 l\u01b0\u1ee3ng g\u00f3i tin \u0111\u00e3 nh\u1eadn<\/p>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>S\u1eed d\u1ee5ng b\u1ed9 l\u1ecdc Ngu\u1ed3n v\u00e0 \u0110\u00edch.<\/strong><\/li>\n<\/ol>\n\n\n\n<p>B\u1ea1n c\u00f3 th\u1ec3 l\u1ecdc c\u00e1c b\u1ea3n ghi theo \u0111\u1ecba ch\u1ec9 IP ngu\u1ed3n v\u00e0 \u0111\u00edch \u0111\u1ec3 \u0111\u01a1n gi\u1ea3n h\u00f3a c\u00f4ng vi\u1ec7c c\u1ee7a m\u00ecnh. \u0110i\u1ec1u n\u00e0y gi\u00fap b\u1ea1n d\u1ec5 d\u00e0ng t\u00ecm th\u1ea5y th\u00f4ng tin li\u00ean quan m\u1ed9t c\u00e1ch nhanh ch\u00f3ng, \u0111\u1eb7c bi\u1ec7t l\u00e0 khi \u0111i\u1ec1u tra m\u1ed9t s\u1ef1 c\u1ed1 c\u1ee5 th\u1ec3.<\/p>\n\n\n\n<p>\u0110\u1ec3 cung c\u1ea5p c\u00e1i nh\u00ecn t\u1ed5ng quan \u0111\u01a1n gi\u1ea3n v\u1ec1 c\u00e1ch \u0111\u1ecdc c\u00e1c b\u1ea3n ghi t\u01b0\u1eddng l\u1eeda, t\u00f4i quy\u1ebft \u0111\u1ecbnh s\u1eed d\u1ee5ng m\u00f4-\u0111un Ph\u00e2n t\u00edch B\u1ea3n ghi T\u01b0\u1eddng l\u1eeda c\u1ee7a LetsDefend.io l\u00e0m v\u00ed d\u1ee5.<\/p>\n\n\n\n<p>Sau \u0111\u00e2y l\u00e0 m\u1ed9t t\u1ec7p \u0111\u1ec3 ph\u00e2n t\u00edch nh\u1eefng g\u00ec \u0111ang x\u1ea3y ra v\u00e0 c\u00e1c c\u00e2u h\u1ecfi \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c b\u01b0\u1edbc \u0111\u00e3 \u0111\u1ec1 c\u1eadp \u1edf tr\u00ean.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"828\" height=\"597\" src=\"http:\/\/aws.vacif.com\/wp-content\/uploads\/sites\/3\/2024\/08\/doc-firewall-logs.png\" alt=\"\" class=\"wp-image-19961\" srcset=\"https:\/\/vacif.com\/en\/wp-content\/uploads\/sites\/3\/2024\/08\/doc-firewall-logs.png 828w, https:\/\/vacif.com\/en\/wp-content\/uploads\/sites\/3\/2024\/08\/doc-firewall-logs-600x433.png 600w, https:\/\/vacif.com\/en\/wp-content\/uploads\/sites\/3\/2024\/08\/doc-firewall-logs-300x216.png 300w, https:\/\/vacif.com\/en\/wp-content\/uploads\/sites\/3\/2024\/08\/doc-firewall-logs-768x554.png 768w\" sizes=\"auto, (max-width: 828px) 100vw, 828px\" \/><\/figure>\n\n\n\n<p><strong>C\u00e2u h\u1ecfi:<\/strong> K\u1ebb t\u1ea5n c\u00f4ng \u0111\u00e3 c\u1ed1 g\u1eafng truy c\u1eadp v\u00e0o bao nhi\u00eau c\u1ed5ng kh\u00e1c nhau?<\/p>\n\n\n\n<p><strong>Tr\u1ea3 l\u1eddi:<\/strong> 12<\/p>\n\n\n\n<p>\u0110\u1ec3 tr\u1ea3 l\u1eddi c\u00e2u h\u1ecfi n\u00e0y, t\u00f4i t\u1eadp trung v\u00e0o vi\u1ec7c t\u00ecm t\u1ea5t c\u1ea3 c\u00e1c c\u1ed5ng \u201cdstport\u2019 kh\u00e1c nhau trong b\u1ea3n ghi m\u00e0 h\u00e0nh \u0111\u1ed9ng l\u00e0 \u201cdeny\u201d.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"828\" height=\"597\" src=\"http:\/\/aws.vacif.com\/wp-content\/uploads\/sites\/3\/2024\/08\/doc-firewall-logs-1.png\" alt=\"\" class=\"wp-image-19960\" srcset=\"https:\/\/vacif.com\/en\/wp-content\/uploads\/sites\/3\/2024\/08\/doc-firewall-logs-1.png 828w, https:\/\/vacif.com\/en\/wp-content\/uploads\/sites\/3\/2024\/08\/doc-firewall-logs-1-600x433.png 600w, https:\/\/vacif.com\/en\/wp-content\/uploads\/sites\/3\/2024\/08\/doc-firewall-logs-1-300x216.png 300w, https:\/\/vacif.com\/en\/wp-content\/uploads\/sites\/3\/2024\/08\/doc-firewall-logs-1-768x554.png 768w\" sizes=\"auto, (max-width: 828px) 100vw, 828px\" \/><\/figure>\n\n\n\n<p><strong>C\u00e2u h\u1ecfi:<\/strong> Lo\u1ea1i t\u1ea5n c\u00f4ng\/ho\u1ea1t \u0111\u1ed9ng n\u00e0o c\u00f3 th\u1ec3 \u0111\u00e3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n theo c\u00e1c b\u1ea3n ghi tr\u00ean?<\/p>\n\n\n\n<p>A) Brute-Force Attack<\/p>\n\n\n\n<p>B) Port-scan activity<\/p>\n\n\n\n<p>C) TCP-SYN-Flood Attack<\/p>\n\n\n\n<p>D) No suspicious activities detected<\/p>\n\n\n\n<p><strong>Tr\u1ea3 l\u1eddi: <\/strong>B) Port-scan activity<\/p>\n\n\n\n<p>B\u1eb1ng c\u00e1ch xem x\u00e9t c\u00e1c b\u1ea3n ghi v\u00e0 th\u1ea5y c\u00e1ch l\u01b0u l\u01b0\u1ee3ng b\u1ecb t\u1eeb ch\u1ed1i truy c\u1eadp qua c\u00e1c c\u1ed5ng nh\u1ea5t \u0111\u1ecbnh, r\u00f5 r\u00e0ng l\u00e0 ho\u1ea1t \u0111\u1ed9ng c\u00f3 th\u1ec3 l\u00e0 qu\u00e9t c\u1ed5ng (port scan).<\/p>\n\n\n\n<p><strong>C\u00e2u h\u1ecfi:<\/strong> K\u1ebb t\u1ea5n c\u00f4ng \u0111\u00e3 ph\u00e1t hi\u1ec7n bao nhi\u00eau c\u1ed5ng m\u1edf?<\/p>\n\n\n\n<p><strong>Tr\u1ea3 l\u1eddi:<\/strong><strong> <\/strong>3<\/p>\n\n\n\n<p>action=allow will let you know what traffic has been allowed through the port)<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"828\" height=\"597\" src=\"http:\/\/aws.vacif.com\/wp-content\/uploads\/sites\/3\/2024\/08\/doc-firewall-logs-2.png\" alt=\"\" class=\"wp-image-19959\" srcset=\"https:\/\/vacif.com\/en\/wp-content\/uploads\/sites\/3\/2024\/08\/doc-firewall-logs-2.png 828w, https:\/\/vacif.com\/en\/wp-content\/uploads\/sites\/3\/2024\/08\/doc-firewall-logs-2-600x433.png 600w, https:\/\/vacif.com\/en\/wp-content\/uploads\/sites\/3\/2024\/08\/doc-firewall-logs-2-300x216.png 300w, https:\/\/vacif.com\/en\/wp-content\/uploads\/sites\/3\/2024\/08\/doc-firewall-logs-2-768x554.png 768w\" sizes=\"auto, (max-width: 828px) 100vw, 828px\" \/><\/figure>\n\n\n\n<p><strong>C\u00e2u h\u1ecfi:<\/strong> K\u1ebb t\u1ea5n c\u00f4ng c\u00f3 nh\u1eadn \u0111\u01b0\u1ee3c ph\u1ea3n h\u1ed3i t\u1eeb t\u01b0\u1eddng l\u1eeda th\u00f4ng b\u00e1o r\u1eb1ng y\u00eau c\u1ea7u truy c\u1eadp c\u1ee7a n\u00f3 \u0111\u00e3 b\u1ecb ch\u1eb7n kh\u00f4ng?<\/p>\n\n\n\n<p><strong>Tr\u1ea3 l\u1eddi:<\/strong> C\u00f3<\/p>\n\n\n\n<p>Trong t\u1ec7p b\u1ea3n ghi, ch\u00fang ta c\u00f3 th\u1ec3 th\u1ea5y r\u1eb1ng l\u01b0u l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb l\u00e0 \u201cdeny\u201d. N\u1ebfu ch\u00fang ta tham kh\u1ea3o l\u1ea1i danh s\u00e1ch h\u00e0nh \u0111\u1ed9ng, ch\u00fang ta c\u00f3 th\u1ec3 th\u1ea5y r\u1eb1ng `deny` c\u00f3 ngh\u0129a l\u00e0 ng\u01b0\u1eddi g\u1eedi s\u1ebd \u0111\u01b0\u1ee3c th\u00f4ng b\u00e1o r\u1eb1ng l\u01b0u l\u01b0\u1ee3ng \u0111\u00e3 b\u1ecb d\u1eebng l\u1ea1i.<\/p>\n\n\n\n<p>T\u00f3m l\u1ea1i, l\u00fac \u0111\u1ea7u, vi\u1ec7c \u0111\u1ecdc c\u00e1c b\u1ea3n ghi t\u01b0\u1eddng l\u1eeda c\u00f3 th\u1ec3 c\u00f3 v\u1ebb kh\u00f3 kh\u0103n, nh\u01b0ng v\u1edbi h\u01b0\u1edbng d\u1eabn t\u1eebng b\u01b0\u1edbc, n\u00f3 tr\u1edf n\u00ean d\u1ec5 d\u00e0ng h\u01a1n r\u1ea5t nhi\u1ec1u. B\u1eaft \u0111\u1ea7u t\u1eeb nh\u1eefng \u0111i\u1ec1u c\u01a1 b\u1ea3n: x\u00e1c minh chi ti\u1ebft IP v\u00e0 c\u1ed5ng, hi\u1ec3u ho\u1ea1t \u0111\u1ed9ng c\u1ee7a t\u01b0\u1eddng l\u1eeda, v\u00e0 tinh ch\u1ec9nh k\u1ebft qu\u1ea3 \u0111\u1ec3 t\u1eadp trung v\u00e0o d\u1eef li\u1ec7u li\u00ean quan. V\u1edbi m\u1ed9t ch\u00fat kinh nghi\u1ec7m, b\u1ea1n s\u1ebd nh\u1eadn th\u1ea5y r\u1eb1ng nh\u1eefng b\u1ea3n ghi n\u00e0y r\u1ea5t quan tr\u1ecdng trong vi\u1ec7c duy tr\u00ec an ninh m\u1ea1ng c\u1ee7a b\u1ea1n v\u00e0 x\u1eed l\u00fd s\u1ef1 c\u1ed1 m\u1ed9t c\u00e1ch nhanh ch\u00f3ng v\u00e0 hi\u1ec7u qu\u1ea3.<\/p>\n\n\n\n<p>Ngu\u1ed3n: <a href=\"https:\/\/s.net.vn\/zAEk\">https:\/\/s.net.vn\/zAEk<\/a>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>T\u01b0\u01a1ng t\u1ef1 nh\u01b0 nh\u1eefng ng\u01b0\u1eddi g\u00e1c c\u1ed5ng, t\u01b0\u1eddng l\u1eeda ki\u1ec3m so\u00e1t nh\u1eefng g\u00ec v\u00e0o v\u00e0 ra c\u1ee7a h\u1ec7 th\u1ed1ng m\u1ea1ng. Ch\u00fang t\u1ea1o ra c\u00e1c b\u1ea3n ghi ghi l\u1ea1i m\u1ecdi h\u00e0nh \u0111\u1ed9ng \u0111i qua ch\u00fang. Vi\u1ec7c m\u1ed9t nh\u00e0 Trung t\u00e2m \u0110i\u1ec1u h\u00e0nh v\u00e0 Ph\u00e2n t\u00edch An ninh m\u1ea1ng (SOC) hi\u1ec3u r\u00f5 c\u00e1c b\u1ea3n ghi n\u00e0y l\u00e0 [&hellip;]<\/p>\n","protected":false},"author":16,"featured_media":19961,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_eb_attr":"","ocean_post_layout":"","ocean_both_sidebars_style":"","ocean_both_sidebars_content_width":0,"ocean_both_sidebars_sidebars_width":0,"ocean_sidebar":"","ocean_second_sidebar":"","ocean_disable_margins":"enable","ocean_add_body_class":"","ocean_shortcode_before_top_bar":"","ocean_shortcode_after_top_bar":"","ocean_shortcode_before_header":"","ocean_shortcode_after_header":"","ocean_has_shortcode":"","ocean_shortcode_after_title":"","ocean_shortcode_before_footer_widgets":"","ocean_shortcode_after_footer_widgets":"","ocean_shortcode_before_footer_bottom":"","ocean_shortcode_after_footer_bottom":"","ocean_display_top_bar":"default","ocean_display_header":"default","ocean_header_style":"","ocean_center_header_left_menu":"","ocean_custom_header_template":"","ocean_custom_logo":0,"ocean_custom_retina_logo":0,"ocean_custom_logo_max_width":0,"ocean_custom_logo_tablet_max_width":0,"ocean_custom_logo_mobile_max_width":0,"ocean_custom_logo_max_height":0,"ocean_custom_logo_tablet_max_height":0,"ocean_custom_logo_mobile_max_height":0,"ocean_header_custom_menu":"","ocean_menu_typo_font_family":"","ocean_menu_typo_font_subset":"","ocean_menu_typo_font_size":0,"ocean_menu_typo_font_size_tablet":0,"ocean_menu_typo_font_size_mobile":0,"ocean_menu_typo_font_size_unit":"px","ocean_menu_typo_font_weight":"","ocean_menu_typo_font_weight_tablet":"","ocean_menu_typo_font_weight_mobile":"","ocean_menu_typo_transform":"","ocean_menu_typo_transform_tablet":"","ocean_menu_typo_transform_mobile":"","ocean_menu_typo_line_height":0,"ocean_menu_typo_line_height_tablet":0,"ocean_menu_typo_line_height_mobile":0,"ocean_menu_typo_line_height_unit":"","ocean_menu_typo_spacing":0,"ocean_menu_typo_spacing_tablet":0,"ocean_menu_typo_spacing_mobile":0,"ocean_menu_typo_spacing_unit":"","ocean_menu_link_color":"","ocean_menu_link_color_hover":"","ocean_menu_link_color_active":"","ocean_menu_link_background":"","ocean_menu_link_hover_background":"","ocean_menu_link_active_background":"","ocean_menu_social_links_bg":"","ocean_menu_social_hover_links_bg":"","ocean_menu_social_links_color":"","ocean_menu_social_hover_links_color":"","ocean_disable_title":"default","ocean_disable_heading":"default","ocean_post_title":"","ocean_post_subheading":"","ocean_post_title_style":"","ocean_post_title_background_color":"","ocean_post_title_background":0,"ocean_post_title_bg_image_position":"","ocean_post_title_bg_image_attachment":"","ocean_post_title_bg_image_repeat":"","ocean_post_title_bg_image_size":"","ocean_post_title_height":0,"ocean_post_title_bg_overlay":0.5,"ocean_post_title_bg_overlay_color":"","ocean_disable_breadcrumbs":"default","ocean_breadcrumbs_color":"","ocean_breadcrumbs_separator_color":"","ocean_breadcrumbs_links_color":"","ocean_breadcrumbs_links_hover_color":"","ocean_display_footer_widgets":"default","ocean_display_footer_bottom":"default","ocean_custom_footer_template":"","ocean_post_oembed":"","ocean_post_self_hosted_media":"","ocean_post_video_embed":"","ocean_link_format":"","ocean_link_format_target":"self","ocean_quote_format":"","ocean_quote_format_link":"post","ocean_gallery_link_images":"on","ocean_gallery_id":[],"footnotes":""},"categories":[80],"tags":[110,467,468],"class_list":["post-19957","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-huong-dan-tai-lieu","tag-firewall","tag-ip","tag-logs","entry","has-media"],"_links":{"self":[{"href":"https:\/\/vacif.com\/en\/wp-json\/wp\/v2\/posts\/19957","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vacif.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vacif.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vacif.com\/en\/wp-json\/wp\/v2\/users\/16"}],"replies":[{"embeddable":true,"href":"https:\/\/vacif.com\/en\/wp-json\/wp\/v2\/comments?post=19957"}],"version-history":[{"count":2,"href":"https:\/\/vacif.com\/en\/wp-json\/wp\/v2\/posts\/19957\/revisions"}],"predecessor-version":[{"id":20318,"href":"https:\/\/vacif.com\/en\/wp-json\/wp\/v2\/posts\/19957\/revisions\/20318"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vacif.com\/en\/wp-json\/wp\/v2\/media\/19961"}],"wp:attachment":[{"href":"https:\/\/vacif.com\/en\/wp-json\/wp\/v2\/media?parent=19957"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vacif.com\/en\/wp-json\/wp\/v2\/categories?post=19957"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vacif.com\/en\/wp-json\/wp\/v2\/tags?post=19957"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}