{"id":11612,"date":"2024-10-06T08:40:32","date_gmt":"2024-10-06T01:40:32","guid":{"rendered":"https:\/\/cloud.z.com\/vn\/?p=11612"},"modified":"2024-09-12T08:41:27","modified_gmt":"2024-09-12T01:41:27","slug":"dns-cloudflare","status":"publish","type":"post","link":"https:\/\/cloud.z.com\/vn\/en\/news\/dns-cloudflare\/","title":{"rendered":"DNS Cloudflare v\u00e0 5 c\u00e1ch t\u00ecm IP th\u1eadt c\u1ee7a server \u0111\u01a1n gi\u1ea3n"},"content":{"rendered":"<p><\/p>\n<p>DNS Cloudflare l\u00e0 m\u1ed9t d\u1ecbch v\u1ee5 b\u1ea3o v\u1ec7 v\u00e0 t\u1ed1i \u01b0u h\u00f3a trang web, gi\u00fap \u1ea9n \u0111\u1ecba ch\u1ec9 IP th\u1eadt c\u1ee7a server \u0111\u1ec3 ng\u0103n ch\u1eb7n c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng DDoS v\u00e0 t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt. Tuy nhi\u00ean, trong m\u1ed9t s\u1ed1 t\u00ecnh hu\u1ed1ng \u0111\u1eb7c bi\u1ec7t, vi\u1ec7c t\u00ecm ki\u1ebfm \u0111\u1ecba ch\u1ec9 IP th\u1eadt c\u1ee7a server c\u00f3 th\u1ec3 c\u1ea7n thi\u1ebft. C\u00f3 5 ph\u01b0\u01a1ng ph\u00e1p \u0111\u01a1n gi\u1ea3n \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh IP th\u1eadt c\u1ee7a m\u00e1y ch\u1ee7 ngay c\u1ea3 khi s\u1eed d\u1ee5ng DNS c\u1ee7a Cloudflare, kh\u00e1m ph\u00e1 chi ti\u1ebft ngay trong b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y c\u1ee7a <a href=\"https:\/\/cloud.z.com\/vn\/\">Z.com<\/a> nh\u00e9.<\/p>\n<p><cite style=\"margin: 0px; background-color: #0066b2; color: #fff; border-top-left-radius: 2px; border-top-right-radius: 2px; font-size: 19px; padding: 12px 20px; font-weight: bold; display: block; font-style: normal;\">B\u1ea1n \u0111ang mu\u1ed1n x\u00e2y d\u1ef1ng m\u1ed9t trang web c\u1ee7a ri\u00eang m\u00ecnh<\/cite><\/p>\n<div class=\"textwidget\" style=\"padding: 20px; background: #70c2e280;\">\u0110\u0103ng k\u00fd ngay t\u00ean mi\u1ec1n th\u01b0\u01a1ng hi\u1ec7u t\u1ea1i Tenten.vn ch\u1ec9 v\u1edbi 2 c\u00fa click chu\u1ed9t: <strong>Ki\u1ec3m tra s\u1ef1 t\u1ed3n t\u1ea1i c\u1ee7a t\u00ean mi\u1ec1n: Nh\u1eadp t\u00ean mi\u1ec1n v\u00e0 nh\u1ea5n \"ki\u1ec3m tra\".<\/strong> <span style=\"color: #ffff00;\"><a class=\"btn_combi_sv\" style=\"font-weight: bold; color: #ffff00; padding: 8px 26px 8px 26px; font-size: 20px; line-height: 30px; border-radius: 56px; text-shadow: none; background: #0066b2; display: table; margin: 0px auto;\" href=\"https:\/\/tenten.vn\/vi\/bang-gia-ten-mien?code=knjcpEfWoTSzUNMw&amp;idCampaign=3080\">B\u1ea2NG GI\u00c1 T\u00caN MI\u1ec0N M\u1edaI NH\u1ea4T<\/a><\/span><\/p>\n<ul>\n<li><a href=\"https:\/\/bit.ly\/3QYbaqa\">V\u00e0o nh\u00f3m Zalo nh\u1eadn \u01b0u \u0111\u00e3i t\u00ean mi\u1ec1n t\u1ea1i \u0111\u00e2y<\/a><\/li>\n<li>Hotline: (024) 71 089 999<\/li>\n<li>Email: info@tenten.vn<\/li>\n<\/ul>\n<\/div>\n<h2><strong>Cloudflare l\u00e0 g\u00ec?<\/strong><\/h2>\n<p>Cloudflare l\u00e0 m\u1ed9t n\u1ec1n t\u1ea3ng ph\u00e2n ph\u1ed1i n\u1ed9i dung (CDN) v\u00e0 b\u1ea3o m\u1eadt website h\u00e0ng \u0111\u1ea7u th\u1ebf gi\u1edbi. M\u1ee5c ti\u00eau c\u1ee7a Cloudflare l\u00e0 gi\u00fap t\u0103ng t\u1ed1c \u0111\u1ed9 truy c\u1eadp trang web v\u00e0 b\u1ea3o v\u1ec7 website kh\u1ecfi c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng t\u1eeb m\u1ea1ng. D\u1ecbch v\u1ee5 n\u00e0y cung c\u1ea5p l\u1edbp b\u1ea3o m\u1eadt b\u1ed5 sung b\u1eb1ng c\u00e1ch \u1ea9n \u0111\u1ecba ch\u1ec9 IP th\u1eadt c\u1ee7a m\u00e1y ch\u1ee7 v\u00e0 thay th\u1ebf b\u1eb1ng IP c\u1ee7a Cloudflare.<\/p>\n<p>Khi ng\u01b0\u1eddi d\u00f9ng truy c\u1eadp website, d\u1eef li\u1ec7u s\u1ebd \u0111i qua m\u1ea1ng l\u01b0\u1edbi Cloudflare tr\u01b0\u1edbc khi \u0111\u1ebfn m\u00e1y ch\u1ee7 ch\u00ednh, gi\u00fap gi\u1ea3m t\u1ea3i m\u00e1y ch\u1ee7, t\u0103ng t\u1ed1c \u0111\u1ed9 v\u00e0 \u0111\u1ea3m b\u1ea3o an ninh. Ngo\u00e0i ra, Cloudflare c\u00f2n cung c\u1ea5p c\u00e1c d\u1ecbch v\u1ee5 DNS (Domain Name System), b\u1ea3o m\u1eadt SSL, v\u00e0 c\u00e1c t\u00ednh n\u0103ng kh\u00e1c gi\u00fap t\u1ed1i \u01b0u h\u00f3a v\u00e0 b\u1ea3o m\u1eadt trang web.<\/p>\n<div id=\"attachment_25010\" style=\"width: 403px\" class=\"wp-caption aligncenter\"><img aria-describedby=\"caption-attachment-25010\" loading=\"lazy\" class=\"wp-image-25010\" src=\"https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2024\/09\/word-image-25008-2.png\" alt=\"Cloudflare l\u00e0 g\u00ec\" width=\"393\" height=\"128\" \/><p id=\"caption-attachment-25010\" class=\"wp-caption-text\">Cloudflare l\u00e0 g\u00ec<\/p><\/div>\n<p>&nbsp;<\/p>\n<h2><strong>IP l\u00e0 g\u00ec?<\/strong><\/h2>\n<p>IP (Internet Protocol) l\u00e0 m\u1ed9t \u0111\u1ecba ch\u1ec9 duy nh\u1ea5t \u0111\u01b0\u1ee3c g\u00e1n cho m\u1ed7i thi\u1ebft b\u1ecb tham gia v\u00e0o m\u1ea1ng m\u00e1y t\u00ednh s\u1eed d\u1ee5ng giao th\u1ee9c Internet \u0111\u1ec3 li\u00ean l\u1ea1c. \u0110\u1ecba ch\u1ec9 IP \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c x\u00e1c \u0111\u1ecbnh thi\u1ebft b\u1ecb v\u00e0 truy\u1ec1n t\u1ea3i th\u00f4ng tin gi\u1eefa c\u00e1c m\u00e1y t\u00ednh tr\u00ean m\u1ea1ng.<\/p>\n<p>C\u00f3 hai lo\u1ea1i \u0111\u1ecba ch\u1ec9 IP ph\u1ed5 bi\u1ebfn l\u00e0 IPv4 v\u00e0 IPv6. IPv4 s\u1eed d\u1ee5ng \u0111\u1ecbnh d\u1ea1ng s\u1ed1 g\u1ed3m b\u1ed1n nh\u00f3m s\u1ed1 ph\u00e2n t\u00e1ch b\u1edfi d\u1ea5u ch\u1ea5m, v\u00ed d\u1ee5 nh\u01b0 192.168.1.1, trong khi IPv6 ph\u1ee9c t\u1ea1p h\u01a1n v\u1edbi \u0111\u1ecbnh d\u1ea1ng g\u1ed3m 8 nh\u00f3m k\u00fd t\u1ef1 s\u1ed1 v\u00e0 ch\u1eef. \u0110\u1ecba ch\u1ec9 IP th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u1ecbnh tuy\u1ebfn d\u1eef li\u1ec7u t\u1eeb m\u1ed9t thi\u1ebft b\u1ecb \u0111\u1ebfn thi\u1ebft b\u1ecb kh\u00e1c tr\u00ean internet.<\/p>\n<p>Tuy nhi\u00ean, khi s\u1eed d\u1ee5ng c\u00e1c d\u1ecbch v\u1ee5 nh\u01b0 Cloudflare, \u0111\u1ecba ch\u1ec9 IP c\u1ee7a m\u00e1y ch\u1ee7 ch\u00ednh s\u1ebd b\u1ecb \u1ea9n v\u00e0 thay th\u1ebf b\u1eb1ng IP c\u1ee7a Cloudflare \u0111\u1ec3 b\u1ea3o v\u1ec7 kh\u1ecfi c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng.<\/p>\n<div id=\"attachment_25011\" style=\"width: 1210px\" class=\"wp-caption aligncenter\"><img aria-describedby=\"caption-attachment-25011\" loading=\"lazy\" class=\"wp-image-25011\" src=\"https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2024\/09\/word-image-25008-3.jpeg\" alt=\"IP l\u00e0 g\u00ec\" width=\"1200\" height=\"630\" \/><p id=\"caption-attachment-25011\" class=\"wp-caption-text\">IP l\u00e0 g\u00ec<\/p><\/div>\n<h2><strong>C\u00e1c ph\u01b0\u01a1ng ph\u00e1p t\u00ecm IP v\u00e0 h\u01b0\u1edbng d\u1eabn chi ti\u1ebft<\/strong><\/h2>\n<p>N\u1ebfu b\u1ea1n c\u1ea7n ph\u00e2n bi\u1ec7t IP th\u1eadt hay IP CloudFlare, h\u00e3y tham kh\u1ea3o d\u1ea3i IP c\u1ee7a CloudFlare t\u1ea1i trang ch\u1ee7 c\u1ee7a d\u1ecbch v\u1ee5: https:\/\/www.cloudflare.com\/ips\/. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 5 c\u00e1ch t\u00ecm IP tr\u00ean DNS Cloudflare m\u00e0 ng\u01b0\u1eddi m\u1edbi c\u00f3 th\u1ec3 t\u1ef1 th\u1ef1c hi\u1ec7n.<\/p>\n<h3><strong>Ph\u01b0\u01a1ng ph\u00e1p 1 : PING<\/strong><\/h3>\n<p>Ping \u0111\u1ebfn m\u1ed9t s\u1ed1 c\u00e1c subdomain nh\u01b0:<\/p>\n<p>ping ftp.domain.com<\/p>\n<p>ping mail.domain.com<\/p>\n<p>ping webmail.domain.com<\/p>\n<p>ping cpanel.domain.com<\/p>\n<p>ping direct.domain.com<\/p>\n<p>B\u1edfi v\u00ec trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p c\u00e1c subdomain \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh tr\u1ecf A record v\u1ec1 IP th\u1eadt c\u1ee7a m\u00e1y ch\u1ee7. C\u00f2n n\u1ebfu trong tr\u01b0\u1eddng h\u1ee3p ping b\u00e1o time out, t\u1ee9c l\u00e0 c\u00f3 kh\u1ea3 n\u0103ng m\u00e1y ch\u1ee7 ch\u1eb7n ICMP request, th\u00ec d\u00f9ng l\u1ec7nh nmap sau:<\/p>\n<p>nmap -sV -sS -F &lt;domain&gt;<\/p>\n<p>trong \u0111\u00f3: -F: qu\u00e9t c\u00e1c c\u1ed5ng ph\u1ed5 bi\u1ebfn, -sS: x\u00e1c \u0111\u1ecbnh xem c\u1ed5ng c\u00f3 m\u1edf kh\u00f4ng, -sV: x\u00e1c \u0111\u1ecbnh d\u1ecbch v\u1ee5 v\u00e0 phi\u00ean b\u1ea3n.<\/p>\n<h3><strong>Ph\u01b0\u01a1ng ph\u00e1p 2 : NMAP ENUM<\/strong><\/h3>\n<p>Bruteforce\/\u0111o\u00e1n t\u00ean mi\u1ec1n ph\u1ee5 b\u1eb1ng l\u1ec7nh nmap<\/p>\n<p>nmap \u2013script dns-brute -sn &lt;target&gt;<\/p>\n<h3><strong>Ph\u01b0\u01a1ng ph\u00e1p 3: HISTORY<\/strong><\/h3>\n<p>Theo \u0111\u00f3, b\u1ea1n c\u00f3 th\u1ec3 t\u00ecm l\u1ecbch s\u1eed \u0111\u1ecba ch\u1ec9 IP c\u1ee7a trang web tr\u01b0\u1edbc khi \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp CloudFlare b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 http:\/\/toolbar.netcraft.com\/site_report?url= &lt;domain&gt; ho\u1eb7c tr\u00ean https:\/\/securitytrails.com\/, https:\/\/fofa.so\/ ho\u1eb7c https:\/\/sitereport.netcraft.com\/?url= \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh IP th\u1eadt c\u1ee7a server tr\u01b0\u1edbc khi \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 b\u1edfi CloudFlare.<\/p>\n<h3><strong>Ph\u01b0\u01a1ng ph\u00e1p 4: NSLOOKUP<\/strong><\/h3>\n<p>Trong tr\u01b0\u1eddng h\u1ee3p m\u00e1y ch\u1ee7 mail v\u00e0 web \u0111\u01b0\u1ee3c \u0111\u1eb7t tr\u00ean c\u00f9ng m\u1ed9t server, vi\u1ec7c t\u00ecm ra \u0111\u1ecba ch\u1ec9 IP th\u1eadt s\u1ebd d\u1ec5 d\u00e0ng h\u01a1n nhi\u1ec1u. \u0110i\u1ec1u n\u00e0y b\u1edfi v\u00ec c\u00e1c b\u1ea3n ghi MX bu\u1ed9c ph\u1ea3i ph\u00e2n gi\u1ea3i th\u00e0nh \u0111\u1ecba ch\u1ec9 IP th\u1eadt c\u1ee7a m\u00e1y ch\u1ee7 mail, do \u0111o \u0111\u00f3 c\u1ea7n ph\u1ea3i thi\u1ebft l\u1eadp MX record b\u1eb1ng \u0111\u1ecba ch\u1ec9 IP th\u1eadt. Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y, ch\u00fang ta s\u1ebd s\u1eed d\u1ee5ng nslookup v\u00e0 ch\u1ec9 c\u1ea7n ping ho\u1eb7c qu\u00e9t IP l\u00e0 c\u00f3 th\u1ec3 t\u00ecm ra.<\/p>\n<p>nslookup<\/p>\n<p>&gt; set type=MX<\/p>\n<p>&gt; &lt;domain&gt;<\/p>\n<h3><strong>Ph\u01b0\u01a1ng ph\u00e1p 5: SSL CERTIFICATE<\/strong><\/h3>\n<p>N\u1ebfu trang web c\u1ee7a b\u1ea1n h\u1ed7 tr\u1ee3 SSL v\u00e0 c\u00f3 certificate, nh\u01b0ng certificate \u0111\u01b0\u1ee3c d\u00f9ng chung gi\u1eefa Client \u2013 CloudFlare v\u00e0 CloudFlare \u2013 Server, b\u1ea1n c\u1ea7n truy c\u1eadp https:\/\/censys.io\/certificates v\u00e0 t\u00ecm ki\u1ebfm theo c\u00fa ph\u00e1p parsed.names: &lt;domain&gt; and tags.raw: trusted.<\/p>\n<p>Censys s\u1ebd qu\u00e9t v\u00e0 hi\u1ec3n th\u1ecb c\u00e1c certificate v\u1edbi c\u00e1c ti\u00eau ch\u00ed tr\u00ean, sau \u0111\u00f3 b\u1ea1n c\u1ea7n click v\u00e0o t\u1eebng k\u1ebft qu\u1ea3. Ch\u1ecdn \"Explore\" \u1edf b\u00ean ph\u1ea3i -&gt; What's using this certificate? &gt; IPv4 Hosts. B\u1ea1n s\u1ebd th\u1ea5y danh s\u00e1ch c\u00e1c IP s\u1eed d\u1ee5ng certificate n\u00e0y, kh\u1ea3 n\u0103ng cao c\u00e1c IP n\u00e0y s\u1ebd l\u00e0 IP c\u1ee7a web server.<\/p>\n<div id=\"attachment_25012\" style=\"width: 1210px\" class=\"wp-caption aligncenter\"><img aria-describedby=\"caption-attachment-25012\" loading=\"lazy\" class=\"wp-image-25012\" src=\"https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2024\/09\/word-image-25008-4.jpeg\" alt=\"T\u00ecm IP v\u1edbi SSL CERTIFICATE\" width=\"1200\" height=\"630\" \/><p id=\"caption-attachment-25012\" class=\"wp-caption-text\">T\u00ecm IP v\u1edbi SSL CERTIFICATE<\/p><\/div>\n<p>&nbsp;<\/p>\n<h2><strong>M\u1ed9t s\u1ed1 l\u01b0u \u00fd khi s\u1eed d\u1ee5ng DNS Cloudflare \u0111\u1ec3 t\u00ecm ki\u1ebfm \u0111\u1ecba ch\u1ec9 IP th\u1eadt c\u1ee7a m\u00e1y ch\u1ee7<\/strong><\/h2>\n<p>Khi s\u1eed d\u1ee5ng DNS Cloudflare \u0111\u1ec3 t\u00ecm ki\u1ebfm \u0111\u1ecba ch\u1ec9 IP th\u1eadt c\u1ee7a m\u00e1y ch\u1ee7, c\u00f3 m\u1ed9t s\u1ed1 l\u01b0u \u00fd quan tr\u1ecdng m\u00e0 b\u1ea1n c\u1ea7n quan t\u00e2m \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u qu\u1ea3 v\u00e0 tr\u00e1nh c\u00e1c r\u1ee7i ro:<\/p>\n<ul>\n<li>M\u1ed9t trong nh\u1eefng ch\u1ee9c n\u0103ng ch\u00ednh c\u1ee7a Cloudflare l\u00e0 \u1ea9n \u0111\u1ecba ch\u1ec9 IP th\u1eadt c\u1ee7a m\u00e1y ch\u1ee7 nh\u1eb1m b\u1ea3o v\u1ec7 website kh\u1ecfi c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng DDoS v\u00e0 c\u00e1c l\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt. Khi s\u1eed d\u1ee5ng Cloudflare, \u0111\u1ecba ch\u1ec9 IP b\u1ea1n nh\u1eadn \u0111\u01b0\u1ee3c t\u1eeb c\u00e1c l\u1ec7nh ping ho\u1eb7c nslookup th\u01b0\u1eddng l\u00e0 \u0111\u1ecba ch\u1ec9 IP c\u1ee7a Cloudflare, kh\u00f4ng ph\u1ea3i c\u1ee7a m\u00e1y ch\u1ee7 g\u1ed1c. V\u00ec v\u1eady, vi\u1ec7c t\u00ecm ki\u1ebfm \u0111\u1ecba ch\u1ec9 IP th\u1eadt \u0111\u00f2i h\u1ecfi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u0111\u1eb7c bi\u1ec7t.<\/li>\n<li>C\u00e1c c\u00f4ng c\u1ee5 qu\u00e9t m\u1ea1ng nh\u01b0 Nmap ho\u1eb7c c\u00e1c ph\u01b0\u01a1ng ph\u00e1p t\u01b0\u01a1ng t\u1ef1 c\u00f3 th\u1ec3 b\u1ecb xem l\u00e0 h\u00e0nh vi kh\u00f4ng h\u1ee3p ph\u00e1p n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c s\u1ef1 \u0111\u1ed3ng \u00fd c\u1ee7a ch\u1ee7 s\u1edf h\u1eefu m\u00e1y ch\u1ee7. B\u1ea1n c\u1ea7n th\u1eadn tr\u1ecdng khi s\u1eed d\u1ee5ng nh\u1eefng c\u00f4ng c\u1ee5 n\u00e0y \u0111\u1ec3 tr\u00e1nh vi ph\u1ea1m ph\u00e1p lu\u1eadt ho\u1eb7c c\u00e1c quy \u0111\u1ecbnh v\u1ec1 b\u1ea3o m\u1eadt c\u1ee7a h\u1ec7 th\u1ed1ng.<\/li>\n<li>Ngo\u00e0i vi\u1ec7c \u1ea9n \u0111\u1ecba ch\u1ec9 IP, Cloudflare c\u00f2n cung c\u1ea5p nhi\u1ec1u l\u1edbp b\u1ea3o m\u1eadt kh\u00e1c nh\u01b0 Web Application Firewall (WAF) v\u00e0 l\u1ecdc l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp. Do \u0111\u00f3, ngay c\u1ea3 khi b\u1ea1n t\u00ecm ra \u0111\u1ecba ch\u1ec9 IP th\u1eadt, m\u00e1y ch\u1ee7 c\u00f3 th\u1ec3 v\u1eabn \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 b\u1edfi c\u00e1c c\u01a1 ch\u1ebf b\u1ea3o m\u1eadt kh\u00e1c c\u1ee7a Cloudflare.<\/li>\n<li>C\u00e1c ph\u01b0\u01a1ng ph\u00e1p nh\u01b0 s\u1eed d\u1ee5ng l\u1ecbch s\u1eed IP (history), ki\u1ec3m tra ch\u1ee9ng ch\u1ec9 SSL, ho\u1eb7c tra c\u1ee9u c\u00e1c b\u1ea3n ghi DNS ch\u1ec9 c\u00f3 hi\u1ec7u qu\u1ea3 trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p nh\u1ea5t \u0111\u1ecbnh, v\u00e0 kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng th\u00e0nh c\u00f4ng. Nhi\u1ec1u khi website \u0111\u00e3 s\u1eed d\u1ee5ng Cloudflare trong th\u1eddi gian d\u00e0i, th\u00f4ng tin IP th\u1eadt \u0111\u00e3 b\u1ecb che gi\u1ea5u ho\u00e0n to\u00e0n.<\/li>\n<li>Nhi\u1ec1u qu\u1ea3n tr\u1ecb vi\u00ean m\u00e1y ch\u1ee7 c\u00f3 th\u1ec3 c\u1ea5u h\u00ecnh h\u1ec7 th\u1ed1ng \u0111\u1ec3 ph\u00e1t hi\u1ec7n v\u00e0 theo d\u00f5i c\u00e1c y\u00eau c\u1ea7u b\u1ea5t th\u01b0\u1eddng ho\u1eb7c h\u00e0nh vi qu\u00e9t m\u1ea1ng. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 n\u1ebfu b\u1ea1n c\u1ed1 g\u1eafng t\u00ecm ki\u1ebfm \u0111\u1ecba ch\u1ec9 IP th\u1eadt c\u1ee7a m\u00e1y ch\u1ee7 th\u00f4ng qua c\u00e1c c\u00f4ng c\u1ee5 qu\u00e9t, r\u1ea5t c\u00f3 th\u1ec3 b\u1ea1n s\u1ebd b\u1ecb ghi nh\u1eadn v\u00e0 c\u00f3 th\u1ec3 b\u1ecb ch\u1eb7n ho\u1eb7c b\u00e1o c\u00e1o.<\/li>\n<li>N\u1ebfu b\u1ea1n t\u00ecm ra \u0111\u01b0\u1ee3c \u0111\u1ecba ch\u1ec9 IP th\u1eadt c\u1ee7a m\u00e1y ch\u1ee7 th\u00f4ng qua c\u00e1c ph\u01b0\u01a1ng ph\u00e1p tr\u00ean, vi\u1ec7c s\u1eed d\u1ee5ng th\u00f4ng tin n\u00e0y c\u1ea7n c\u1ea9n th\u1eadn v\u00e0 c\u00f3 \u0111\u1ea1o \u0111\u1ee9c. Vi\u1ec7c t\u1ea5n c\u00f4ng ho\u1eb7c khai th\u00e1c l\u1ed7 h\u1ed5ng t\u1eeb th\u00f4ng tin n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn h\u1eadu qu\u1ea3 ph\u00e1p l\u00fd nghi\u00eam tr\u1ecdng.<\/li>\n<li>Sau khi t\u00ecm ra \u0111\u01b0\u1ee3c IP th\u1eadt c\u1ee7a m\u00e1y ch\u1ee7, b\u1ea1n c\u1ea7n l\u01b0u \u00fd r\u1eb1ng \u0111\u1ecba ch\u1ec9 IP n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c thay \u0111\u1ed5i trong t\u01b0\u01a1ng lai. Nhi\u1ec1u qu\u1ea3n tr\u1ecb vi\u00ean h\u1ec7 th\u1ed1ng c\u00f3 th\u1ec3 quy\u1ebft \u0111\u1ecbnh thay \u0111\u1ed5i IP \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt ho\u1eb7c di chuy\u1ec3n h\u1ec7 th\u1ed1ng sang m\u1ed9t m\u00e1y ch\u1ee7 kh\u00e1c, khi\u1ebfn c\u00e1c ph\u01b0\u01a1ng ph\u00e1p t\u00ecm ki\u1ebfm tr\u01b0\u1edbc \u0111\u00f3 kh\u00f4ng c\u00f2n hi\u1ec7u qu\u1ea3.<\/li>\n<\/ul>\n<h2><strong>K\u1ebft lu\u1eadn<\/strong><\/h2>\n<p>Cloudflare l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 quan tr\u1ecdng gi\u00fap b\u1ea3o v\u1ec7 v\u00e0 t\u1ed1i \u01b0u h\u00f3a c\u00e1c website tr\u00ean internet, \u0111\u1eb7c bi\u1ec7t v\u1edbi t\u00ednh n\u0103ng \u1ea9n \u0111\u1ecba ch\u1ec9 IP c\u1ee7a m\u00e1y ch\u1ee7 th\u1eadt. Tuy nhi\u00ean, trong nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p, ng\u01b0\u1eddi d\u00f9ng c\u1ea7n t\u00ecm l\u1ea1i \u0111\u1ecba ch\u1ec9 IP th\u1eadt c\u1ee7a m\u00e1y ch\u1ee7 v\u00ec nhi\u1ec1u l\u00fd do kh\u00e1c nhau nh\u01b0 ki\u1ec3m tra b\u1ea3o m\u1eadt ho\u1eb7c th\u1ef1c hi\u1ec7n c\u1ea5u h\u00ecnh h\u1ec7 th\u1ed1ng. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p nh\u01b0 Ping, Nmap, ki\u1ec3m tra l\u1ecbch s\u1eed IP, NSLOOKUP v\u00e0 ch\u1ee9ng ch\u1ec9 SSL \u0111\u1ec1u l\u00e0 nh\u1eefng c\u00e1ch h\u1eefu hi\u1ec7u \u0111\u1ec3 th\u1ef1c hi\u1ec7n vi\u1ec7c n\u00e0y. Tuy nhi\u00ean, kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng t\u00ecm ra \u0111\u1ecba ch\u1ec9 IP th\u1eadt, \u0111\u1eb7c bi\u1ec7t khi website \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 t\u1ed1t.<\/p>\n<p><cite style=\"margin: 0px; background-color: #0066b2; color: #fff; border-top-left-radius: 2px; border-top-right-radius: 2px; font-size: 19px; padding: 12px 20px; font-weight: bold; display: block; font-style: normal;\">B\u1ea1n \u0111ang mu\u1ed1n x\u00e2y d\u1ef1ng m\u1ed9t trang web c\u1ee7a ri\u00eang m\u00ecnh<\/cite><\/p>\n<div class=\"textwidget\" style=\"padding: 20px; background: #70c2e280;\">\u0110\u0103ng k\u00fd ngay t\u00ean mi\u1ec1n th\u01b0\u01a1ng hi\u1ec7u t\u1ea1i Tenten.vn ch\u1ec9 v\u1edbi 2 c\u00fa click chu\u1ed9t: <strong>Ki\u1ec3m tra s\u1ef1 t\u1ed3n t\u1ea1i c\u1ee7a t\u00ean mi\u1ec1n: Nh\u1eadp t\u00ean mi\u1ec1n v\u00e0 nh\u1ea5n \"ki\u1ec3m tra\".<\/strong> <span style=\"color: #ffff00;\"><a class=\"btn_combi_sv\" style=\"font-weight: bold; color: #ffff00; padding: 8px 26px 8px 26px; font-size: 20px; line-height: 30px; border-radius: 56px; text-shadow: none; background: #0066b2; display: table; margin: 0px auto;\" href=\"https:\/\/tenten.vn\/vi\/bang-gia-ten-mien?code=knjcpEfWoTSzUNMw&amp;idCampaign=3080\">B\u1ea2NG GI\u00c1 T\u00caN MI\u1ec0N M\u1edaI NH\u1ea4T<\/a><\/span><\/p>\n<ul>\n<li><a href=\"https:\/\/bit.ly\/3QYbaqa\">V\u00e0o nh\u00f3m Zalo nh\u1eadn \u01b0u \u0111\u00e3i t\u00ean mi\u1ec1n t\u1ea1i \u0111\u00e2y<\/a><\/li>\n<li>Hotline: (024) 71 089 999<\/li>\n<li>Email: info@tenten.vn<\/li>\n<\/ul>\n<\/div>\n<h4><strong>B\u00e0i li\u00ean quan<\/strong><\/h4>\n<ul>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/domain\/\">Domain l\u00e0 g\u00ec? H\u01b0\u1edbng d\u1eabn \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n t\u1eeb A-Z<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/ten-mien-la-gi\/\">T\u00ean mi\u1ec1n l\u00e0 g\u00ec? Nh\u1eefng l\u01b0u \u00fd khi s\u1eed d\u1ee5ng d\u1ecbch v\u1ee5 t\u00ean mi\u1ec1n<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/ten-mien-vn\/\">T\u00ean mi\u1ec1n vn: L\u1ee3i \u00edch &amp; \u01afu \u0111i\u1ec3m c\u1ee7a t\u00ean mi\u1ec1n Vi\u1ec7t Nam<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/ten-mien-vn-2\/\">T\u00ean mi\u1ec1n .vn l\u00e0 g\u00ec? N\u00ean mua t\u00ean mi\u1ec1n .vn \u1edf \u0111\u00e2u r\u1ebb nh\u1ea5t?<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/ten-mien-com-vn\/\">T\u00ean mi\u1ec1n .com.vn l\u00e0 g\u00ec? N\u00ean ch\u1ecdn t\u00ean mi\u1ec1n .com.vn hay .vn?<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/ten-mien-edu-vn\/\">T\u00ean mi\u1ec1n Edu.vn l\u00e0 c\u00e1nh c\u1ed5ng truy\u1ec1n t\u1ea3i tri th\u1ee9c tr\u1ef1c tuy\u1ebfn<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/ten-mien-biz-vn-2\/\">\u00dd ngh\u0129a t\u00ean mi\u1ec1n biz vn v\u00e0 l\u1ee3i th\u1ebf khi d\u00f9ng .biz.vn cho doanh nghi\u1ec7p<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/ten-mien-name-vn\/\">T\u1eeb A-Z v\u1ec1 t\u00ean mi\u1ec1n name.vn, \u0111\u0103ng k\u00fd name.vn \u1edf \u0111\u00e2u r\u1ebb v\u00e0 uy t\u00edn?<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/ten-mien-ai-vn\/\">T\u00ean mi\u1ec1n ai.vn l\u00e0 g\u00ec? Mang l\u1ea1i l\u1ee3i \u00edch g\u00ec khi s\u1eed d\u1ee5ng?<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/ten-mien-id-vn\/\">T\u00ean mi\u1ec1n id.vn l\u00e0 g\u00ec? L\u1ee3i \u00edch khi s\u1eed d\u1ee5ng t\u00ean mi\u1ec1n id.vn<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/ten-mien-io-vn\/\">T\u00ean mi\u1ec1n io.vn l\u00e0 g\u00ec? Mang l\u1ea1i l\u1ee3i \u00edch g\u00ec khi s\u1eed d\u1ee5ng?<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/ten-mien-net\/\">T\u00ean mi\u1ec1n .net l\u00e0 g\u00ec? L\u1ee3i \u00edch khi s\u1eed d\u1ee5ng t\u00ean mi\u1ec1n .net gi\u00e1 r\u1ebb<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/ten-mien-info\/\">T\u00ean mi\u1ec1n .info l\u00e0 g\u00ec? N\u00ean mua t\u00ean mi\u1ec1n .info \u1edf \u0111\u00e2u r\u1ebb nh\u1ea5t<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/chon-ten-mien\/\">M\u1ed9t s\u1ed1 c\u00f4ng c\u1ee5 ch\u1ecdn t\u00ean mi\u1ec1n thu h\u00fat m\u1ecdi kh\u00e1ch h\u00e0ng<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/ten-mien-chuan-seo\/\">T\u00ean mi\u1ec1n chu\u1ea9n SEO c\u1ea7n \u0111\u00e1p \u1ee9ng ti\u00eau ch\u00ed n\u00e0o? H\u01b0\u1edbng d\u1eabn c\u00e1ch ch\u1ecdn t\u00ean mi\u1ec1n<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/nha-cung-cap-ten-mien\/\">Top c\u00e1c nh\u00e0 cung c\u1ea5p t\u00ean mi\u1ec1n uy t\u00edn. N\u00ean ch\u1ecdn \u0111\u01a1n v\u1ecb n\u00e0o?<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/dau-tu-ten-mien\/\">B\u00ed quy\u1ebft \u0111\u1ea7u t\u01b0 t\u00ean mi\u1ec1n t\u1ea1o n\u00ean gi\u00e1 tr\u1ecb cao<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/cach-dang-ky-ten-mien-mien-phi\/\">C\u00e1ch \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n mi\u1ec5n ph\u00ed: \u0110\u01a1n gi\u1ea3n, ai c\u0169ng l\u00e0m \u0111\u01b0\u1ee3c<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/mua-ban-ten-mien\/\">H\u01b0\u1edbng d\u1eabn mua b\u00e1n t\u00ean mi\u1ec1n chi ti\u1ebft cho ng\u01b0\u1eddi m\u1edbi<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/bao-mat-ten-mien-la-gi\/\">B\u1ea3o m\u1eadt t\u00ean mi\u1ec1n l\u00e0 g\u00ec? H\u01b0\u1edbng d\u1eabn b\u1ea3o m\u1eadt t\u00ean mi\u1ec1n t\u1eeb A-Z<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/ten-mien-1-ky-tu\/\">C\u00e1ch mua T\u00ean mi\u1ec1n 1 k\u00fd t\u1ef1: \u0110\u1ed9c \u0111\u00e1o v\u00e0 \u0111\u1eb3ng c\u1ea5p<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/ten-mien-gia-re\/\">H\u01b0\u1edbng d\u1eabn mua t\u00ean mi\u1ec1n gi\u00e1 r\u1ebb t\u1ea1i Tenten cho ng\u01b0\u1eddi m\u1edbi<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/ban-ghi-ten-mien\/\">M\u1ecdi \u0111i\u1ec1u c\u1ea7n bi\u1ebft v\u1ec1 c\u00e1c b\u1ea3n ghi t\u00ean mi\u1ec1n, \u0111\u1ecdc ngay nh\u00e9!<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/tro-ten-mien\/\">H\u01b0\u1edbng d\u1eabn tr\u1ecf t\u00ean mi\u1ec1n v\u1ec1 Ladipage, tr\u1ecf t\u00ean mi\u1ec1n v\u1ec1 Hosting<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/quyen-so-huu-ten-mien\/\">H\u01b0\u1edbng d\u1eabn x\u00e1c minh quy\u1ec1n s\u1edf h\u1eefu t\u00ean mi\u1ec1n chi ti\u1ebft nh\u1ea5t<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/doi-ten-mien\/\">\u0110\u1ed5i t\u00ean mi\u1ec1n website c\u1ea7n l\u01b0u \u00fd \u0111i\u1ec1u g\u00ec? C\u1ea7n chu\u1ea9n b\u1ecb g\u00ec khi \u0111\u1ed5i t\u00ean mi\u1ec1n?<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/duy-tri-ten-mien\/\">Kh\u00f4ng duy tr\u00ec t\u00ean mi\u1ec1n c\u00f3 h\u1eadu qu\u1ea3 g\u00ec? B\u1ea3ng ph\u00ed duy tr\u00ec t\u00ean mi\u1ec1n c\u1ef1c r\u1ebb<\/a><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>DNS Cloudflare l\u00e0 m\u1ed9t d\u1ecbch v\u1ee5 b\u1ea3o v\u1ec7 v\u00e0 t\u1ed1i \u01b0u h\u00f3a trang web, gi\u00fap \u1ea9n \u0111\u1ecba ch\u1ec9 IP th\u1eadt c\u1ee7a server \u0111\u1ec3 ng\u0103n ch\u1eb7n c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng DDoS v\u00e0 t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt. Tuy nhi\u00ean, trong m\u1ed9t s\u1ed1...<\/p>\n","protected":false},"author":28,"featured_media":11613,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[177,83],"tags":[],"jetpack_featured_media_url":"https:\/\/cloud.z.com\/vn\/wp-content\/uploads\/2024\/09\/dns-cloudlfare.jpeg","_links":{"self":[{"href":"https:\/\/cloud.z.com\/vn\/en\/wp-json\/wp\/v2\/posts\/11612"}],"collection":[{"href":"https:\/\/cloud.z.com\/vn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cloud.z.com\/vn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cloud.z.com\/vn\/en\/wp-json\/wp\/v2\/users\/28"}],"replies":[{"embeddable":true,"href":"https:\/\/cloud.z.com\/vn\/en\/wp-json\/wp\/v2\/comments?post=11612"}],"version-history":[{"count":2,"href":"https:\/\/cloud.z.com\/vn\/en\/wp-json\/wp\/v2\/posts\/11612\/revisions"}],"predecessor-version":[{"id":11627,"href":"https:\/\/cloud.z.com\/vn\/en\/wp-json\/wp\/v2\/posts\/11612\/revisions\/11627"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cloud.z.com\/vn\/en\/wp-json\/wp\/v2\/media\/11613"}],"wp:attachment":[{"href":"https:\/\/cloud.z.com\/vn\/en\/wp-json\/wp\/v2\/media?parent=11612"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cloud.z.com\/vn\/en\/wp-json\/wp\/v2\/categories?post=11612"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cloud.z.com\/vn\/en\/wp-json\/wp\/v2\/tags?post=11612"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}