{"id":478570,"date":"2023-08-09T09:34:59","date_gmt":"2023-08-09T09:34:59","guid":{"rendered":""},"modified":"2023-09-05T11:17:06","modified_gmt":"2023-09-05T11:17:06","slug":"public-ip","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/vn\/wiki\/public-ip\/","title":{"rendered":"IP c\u00f4ng c\u1ed9ng"},"content":{"rendered":"<p>IP c\u00f4ng c\u1ed9ng \u0111\u1ec1 c\u1eadp \u0111\u1ebfn \u0111\u1ecba ch\u1ec9 Giao th\u1ee9c Internet (IP) c\u00f3 th\u1ec3 truy c\u1eadp c\u00f4ng khai v\u00e0 c\u00f3 th\u1ec3 truy c\u1eadp qua Internet. Kh\u00f4ng gi\u1ed1ng nh\u01b0 c\u00e1c \u0111\u1ecba ch\u1ec9 IP ri\u00eang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong m\u1ea1ng c\u1ee5c b\u1ed9, IP c\u00f4ng c\u1ed9ng \u0111\u01b0\u1ee3c Nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 Internet (ISP) ch\u1ec9 \u0111\u1ecbnh v\u00e0 \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 li\u00ean l\u1ea1c v\u00e0 nh\u1eadn d\u1ea1ng l\u1eabn nhau tr\u00ean m\u1ea1ng to\u00e0n c\u1ea7u. Trong b\u1ed1i c\u1ea3nh nh\u00e0 cung c\u1ea5p m\u00e1y ch\u1ee7 proxy nh\u01b0 OneProxy, IP c\u00f4ng c\u1ed9ng \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c \u0111\u1ea1t \u0111\u01b0\u1ee3c t\u00ednh \u1ea9n danh v\u00e0 t\u01b0\u01a1ng t\u00e1c tr\u1ef1c tuy\u1ebfn an to\u00e0n.<\/p>\n<h2>L\u1ecbch s\u1eed ngu\u1ed3n g\u1ed1c c\u1ee7a IP c\u00f4ng c\u1ed9ng v\u00e0 s\u1ef1 \u0111\u1ec1 c\u1eadp \u0111\u1ea7u ti\u00ean v\u1ec1 n\u00f3<\/h2>\n<p>Kh\u00e1i ni\u1ec7m IP c\u00f4ng c\u1ed9ng b\u1eaft ngu\u1ed3n t\u1eeb s\u1ef1 ra \u0111\u1eddi c\u1ee7a Giao th\u1ee9c Internet, \u0111\u01b0\u1ee3c \u0111\u1ec1 c\u1eadp l\u1ea7n \u0111\u1ea7u ti\u00ean v\u00e0o n\u0103m 1974 trong m\u1ed9t b\u00e0i b\u00e1o c\u1ee7a Vinton Cerf v\u00e0 Bob Kahn. Giao th\u1ee9c Internet phi\u00ean b\u1ea3n 4 (IPv4), cung c\u1ea5p ph\u01b0\u01a1ng ti\u1ec7n \u0111\u00e1nh \u0111\u1ecba ch\u1ec9 v\u00e0 \u0111\u1ecbnh tuy\u1ebfn c\u00e1c g\u00f3i \u0111\u01b0\u1ee3c ti\u00eau chu\u1ea9n h\u00f3a \u0111\u1ea7u ti\u00ean tr\u00ean m\u1ea1ng, \u0111\u01b0\u1ee3c m\u00f4 t\u1ea3 trong RFC 791 v\u00e0o n\u0103m 1981. \u0110\u00e2y l\u00e0 b\u01b0\u1edbc kh\u1edfi \u0111\u1ea7u cho vi\u1ec7c \u00e1p d\u1ee5ng r\u1ed9ng r\u00e3i c\u00e1c \u0111\u1ecba ch\u1ec9 IP c\u00f4ng c\u1ed9ng \u0111\u1ec3 t\u1ea1o \u0111i\u1ec1u ki\u1ec7n k\u1ebft n\u1ed1i to\u00e0n c\u1ea7u.<\/p>\n<h2>Th\u00f4ng tin chi ti\u1ebft v\u1ec1 IP c\u00f4ng c\u1ed9ng. M\u1edf r\u1ed9ng ch\u1ee7 \u0111\u1ec1 IP c\u00f4ng c\u1ed9ng<\/h2>\n<p>\u0110\u1ecba ch\u1ec9 IP c\u00f4ng c\u1ed9ng l\u00e0 m\u1ed9t s\u1ed1 duy nh\u1ea5t nh\u1eadn d\u1ea1ng m\u1ed9t thi\u1ebft b\u1ecb tr\u00ean Internet. Nh\u00e3n s\u1ed1 n\u00e0y tu\u00e2n th\u1ee7 c\u00e1c quy t\u1eafc c\u1ee7a IP v\u00e0 \u0111\u01b0\u1ee3c c\u00e1c b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn s\u1eed d\u1ee5ng \u0111\u1ec3 chuy\u1ec3n ti\u1ebfp d\u1eef li\u1ec7u \u0111\u1ebfn \u0111\u00fang v\u1ecb tr\u00ed. IP c\u00f4ng c\u1ed9ng \u0111\u01b0\u1ee3c chia th\u00e0nh hai lo\u1ea1i ch\u00ednh:<\/p>\n<ol>\n<li><strong>IPv4:<\/strong> \u0110\u1ecbnh d\u1ea1ng \u0111\u1ecba ch\u1ec9 32 bit, cho ph\u00e9p h\u01a1n 4 t\u1ef7 \u0111\u1ecba ch\u1ec9 duy nh\u1ea5t.<\/li>\n<li><strong>IPv6:<\/strong> \u0110\u1ecbnh d\u1ea1ng \u0111\u1ecba ch\u1ec9 128 bit, ch\u1ee9a s\u1ed1 l\u01b0\u1ee3ng \u0111\u1ecba ch\u1ec9 duy nh\u1ea5t g\u1ea7n nh\u01b0 kh\u00f4ng gi\u1edbi h\u1ea1n.<\/li>\n<\/ol>\n<p>V\u1edbi s\u1ef1 c\u1ea1n ki\u1ec7t c\u1ee7a c\u00e1c \u0111\u1ecba ch\u1ec9 IPv4 s\u1eb5n c\u00f3, IPv6 ng\u00e0y c\u00e0ng tr\u1edf n\u00ean c\u1ea7n thi\u1ebft \u0111\u1ec3 duy tr\u00ec s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a Internet.<\/p>\n<h2>C\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a IP c\u00f4ng c\u1ed9ng. IP c\u00f4ng c\u1ed9ng ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o<\/h2>\n<p>C\u1ea5u tr\u00fac c\u1ee7a IP c\u00f4ng c\u1ed9ng ph\u1ee5 thu\u1ed9c v\u00e0o \u0111\u00f3 l\u00e0 \u0111\u1ecba ch\u1ec9 IPv4 hay IPv6:<\/p>\n<h3>IPv4<\/h3>\n<p>\u0110\u1ecba ch\u1ec9 IPv4 \u0111\u01b0\u1ee3c chia th\u00e0nh b\u1ed1n octet, ph\u00e2n t\u00e1ch b\u1eb1ng d\u1ea5u ch\u1ea5m, ch\u1eb3ng h\u1ea1n nh\u01b0 192.168.1.1. M\u1ed7i octet \u0111\u1ea1i di\u1ec7n cho 8 bit, c\u00f3 gi\u00e1 tr\u1ecb t\u1eeb 0 \u0111\u1ebfn 255.<\/p>\n<h3>IPv6<\/h3>\n<p>\u0110\u1ecba ch\u1ec9 IPv6 bao g\u1ed3m t\u00e1m nh\u00f3m g\u1ed3m b\u1ed1n ch\u1eef s\u1ed1 th\u1eadp l\u1ee5c ph\u00e2n, \u0111\u01b0\u1ee3c ph\u00e2n t\u00e1ch b\u1eb1ng d\u1ea5u hai ch\u1ea5m, nh\u01b0 2001:0db8:85a3:0000:0000:8a2e:0370:7334.<\/p>\n<p>Ho\u1ea1t \u0111\u1ed9ng c\u1ee7a IP c\u00f4ng c\u1ed9ng li\u00ean quan \u0111\u1ebfn vi\u1ec7c \u0111\u1ecbnh tuy\u1ebfn c\u00e1c g\u00f3i d\u1eef li\u1ec7u tr\u00ean Internet, trong \u0111\u00f3 c\u00e1c b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn s\u1eed d\u1ee5ng \u0111\u1ecba ch\u1ec9 IP \u0111\u00edch \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1eddng d\u1eabn t\u1ed1t nh\u1ea5t cho g\u00f3i.<\/p>\n<h2>Ph\u00e2n t\u00edch c\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a IP c\u00f4ng c\u1ed9ng<\/h2>\n<p>C\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a IP c\u00f4ng c\u1ed9ng bao g\u1ed3m:<\/p>\n<ul>\n<li><strong>T\u00ednh duy nh\u1ea5t:<\/strong> M\u1ed7i IP c\u00f4ng c\u1ed9ng l\u00e0 duy nh\u1ea5t tr\u00ean Internet.<\/li>\n<li><strong>Kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn:<\/strong> Ch\u00fang c\u00f3 th\u1ec3 truy c\u1eadp \u0111\u01b0\u1ee3c qua Internet, kh\u00f4ng gi\u1ed1ng nh\u01b0 IP ri\u00eang.<\/li>\n<li><strong>\u0110\u1ed9ng ho\u1eb7c t\u0129nh:<\/strong> IP c\u00f4ng c\u1ed9ng c\u00f3 th\u1ec3 l\u00e0 \u0111\u1ed9ng (thay \u0111\u1ed5i) ho\u1eb7c t\u0129nh (v\u0129nh vi\u1ec5n).<\/li>\n<\/ul>\n<h2>Nh\u1eefng lo\u1ea1i IP c\u00f4ng c\u1ed9ng t\u1ed3n t\u1ea1i. S\u1eed d\u1ee5ng b\u1ea3ng v\u00e0 danh s\u00e1ch \u0111\u1ec3 vi\u1ebft<\/h2>\n<p>Hai lo\u1ea1i IP c\u00f4ng c\u1ed9ng ch\u00ednh l\u00e0:<\/p>\n<table>\n<thead>\n<tr>\n<th>Ki\u1ec3u<\/th>\n<th>S\u1ef1 mi\u00eau t\u1ea3<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>IPv4<\/td>\n<td>\u0110\u1ecba ch\u1ec9 32 bit c\u00f3 4 octet<\/td>\n<\/tr>\n<tr>\n<td>IPv6<\/td>\n<td>\u0110\u1ecba ch\u1ec9 128 bit v\u1edbi t\u00e1m nh\u00f3m b\u1ed1n ch\u1eef s\u1ed1 th\u1eadp l\u1ee5c ph\u00e2n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>C\u00e1c c\u00e1ch s\u1eed d\u1ee5ng IP c\u00f4ng c\u1ed9ng, 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>IP c\u00f4ng c\u1ed9ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho:<\/p>\n<ul>\n<li>web hosting<\/li>\n<li>Ch\u01a1i game tr\u1ef1c tuy\u1ebfn<\/li>\n<li>Truy c\u1eadp t\u1eeb xa<\/li>\n<li>K\u1ebft n\u1ed1i VPN<\/li>\n<\/ul>\n<p>C\u00e1c v\u1ea5n \u0111\u1ec1:<\/p>\n<ul>\n<li>L\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt<\/li>\n<li>T\u00ednh kh\u1ea3 d\u1ee5ng h\u1ea1n ch\u1ebf c\u1ee7a \u0111\u1ecba ch\u1ec9 IPv4<\/li>\n<\/ul>\n<p>C\u00e1c gi\u1ea3i ph\u00e1p:<\/p>\n<ul>\n<li>S\u1eed d\u1ee5ng IPv6<\/li>\n<li>Tri\u1ec3n khai t\u01b0\u1eddng l\u1eeda v\u00e0 c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt<\/li>\n<\/ul>\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 \u1edf d\u1ea1ng b\u1ea3ng v\u00e0 danh s\u00e1ch<\/h2>\n<table>\n<thead>\n<tr>\n<th>T\u00ednh n\u0103ng<\/th>\n<th>IP c\u00f4ng c\u1ed9ng<\/th>\n<th>IP ri\u00eang<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Ph\u1ea1m vi<\/td>\n<td>Internet r\u1ed9ng kh\u1eafp<\/td>\n<td>M\u1ea1ng n\u1ed9i b\u1ed9<\/td>\n<\/tr>\n<tr>\n<td>T\u00ednh duy nh\u1ea5t<\/td>\n<td>\u0110\u1ed9c nh\u1ea5t to\u00e0n c\u1ea7u<\/td>\n<td>Duy nh\u1ea5t trong m\u1ea1ng c\u1ee5c b\u1ed9<\/td>\n<\/tr>\n<tr>\n<td>Kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn<\/td>\n<td>C\u00f3 th\u1ec3 truy c\u1eadp t\u1eeb Internet<\/td>\n<td>C\u00f3 th\u1ec3 truy c\u1eadp trong m\u1ea1ng c\u1ee5c b\u1ed9<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Quan \u0111i\u1ec3m v\u00e0 c\u00f4ng ngh\u1ec7 c\u1ee7a t\u01b0\u01a1ng lai li\u00ean quan \u0111\u1ebfn s\u1edf h\u1eefu tr\u00ed tu\u1ec7 c\u00f4ng c\u1ed9ng<\/h2>\n<p>T\u01b0\u01a1ng lai c\u1ee7a IP c\u00f4ng c\u1ed9ng xoay quanh vi\u1ec7c \u00e1p d\u1ee5ng r\u1ed9ng r\u00e3i IPv6, t\u0103ng c\u01b0\u1eddng c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt v\u00e0 t\u00edch h\u1ee3p v\u1edbi c\u00e1c c\u00f4ng ngh\u1ec7 m\u1edbi n\u1ed5i nh\u01b0 thi\u1ebft b\u1ecb IoT.<\/p>\n<h2>C\u00e1ch s\u1eed d\u1ee5ng ho\u1eb7c li\u00ean k\u1ebft m\u00e1y ch\u1ee7 proxy v\u1edbi IP c\u00f4ng c\u1ed9ng<\/h2>\n<p>C\u00e1c m\u00e1y ch\u1ee7 proxy gi\u1ed1ng nh\u01b0 c\u00e1c m\u00e1y ch\u1ee7 do OneProxy cung c\u1ea5p s\u1eed d\u1ee5ng IP c\u00f4ng c\u1ed9ng \u0111\u1ec3 \u0111\u00f3ng vai tr\u00f2 trung gian gi\u1eefa ng\u01b0\u1eddi d\u00f9ng v\u00e0 Internet. B\u1eb1ng c\u00e1ch \u0111\u1ecbnh tuy\u1ebfn l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp th\u00f4ng qua m\u00e1y ch\u1ee7 proxy, ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 \u1ea9n \u0111\u1ecba ch\u1ec9 IP th\u1ef1c c\u1ee7a m\u00ecnh, \u0111\u1ea1t \u0111\u01b0\u1ee3c tr\u1ea1ng th\u00e1i \u1ea9n danh, b\u1ecf qua c\u00e1c h\u1ea1n ch\u1ebf v\u1ec1 \u0111\u1ecba l\u00fd v\u00e0 t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt.<\/p>\n<h2>Li\u00ean k\u1ebft li\u00ean quan<\/h2>\n<ul>\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Internet_Protocol\" target=\"_new\" rel=\"noopener nofollow\">Giao th\u1ee9c Internet - Wikipedia<\/a><\/li>\n<li><a href=\"https:\/\/www.ipv6.com\/\" target=\"_new\" rel=\"noopener nofollow\">IPv6 \u2013 Trang web ch\u00ednh th\u1ee9c<\/a><\/li>\n<li><a href=\"https:\/\/oneproxy.pro\/vn\/\" target=\"_new\" rel=\"noopener\">D\u1ecbch v\u1ee5 OneProxy<\/a><\/li>\n<li><a href=\"https:\/\/www.iana.org\/\" target=\"_new\" rel=\"noopener nofollow\">C\u01a1 quan qu\u1ea3n l\u00fd s\u1ed1 \u0111\u01b0\u1ee3c g\u00e1n Internet (IANA)<\/a><\/li>\n<\/ul>","protected":false},"featured_media":478571,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-478570","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Public IP<\/mark>","faq_items":[{"question":"What is a Public IP address?","answer":"<p>A Public IP address is a unique numerical label that is assigned to devices connected to the Internet. It is publicly accessible and reachable over the Internet, ensuring that devices can communicate and identify each other across the global network.<\/p>"},{"question":"What are the different types of Public IP addresses?","answer":"<p>There are two main types of Public IP addresses: IPv4 and IPv6. IPv4 is a 32-bit address format, while IPv6 is a 128-bit address format, accommodating a larger number of unique addresses.<\/p>"},{"question":"How do Public IP addresses work?","answer":"<p>Public IP addresses work by identifying a device on the Internet, allowing routers to route data packets to the correct location. Public IPs are used in routing data across the Internet, and routers utilize the destination IP address to determine the best path for the packet.<\/p>"},{"question":"What are the key features of Public IP addresses?","answer":"<p>The key features of public IP addresses include their uniqueness across the Internet, accessibility over the Internet, and the option to be either dynamic (changing) or static (permanent).<\/p>"},{"question":"What are the problems and solutions related to the use of Public IP addresses?","answer":"<p>Problems related to Public IP use include security vulnerabilities and the limited availability of IPv4 addresses. Solutions include utilizing IPv6 for more address space and implementing firewalls and other security measures to protect against vulnerabilities.<\/p>"},{"question":"How are Public IP addresses associated with proxy servers?","answer":"<p>Proxy servers, like those provided by OneProxy, use public IPs to act as intermediaries between a user and the Internet. By routing traffic through a proxy server, users can hide their real IP address, achieve anonymity, and enhance online security.<\/p>"},{"question":"What are the future perspectives and technologies related to Public IP?","answer":"<p>The future of public IP revolves around the widespread adoption of IPv6, enhancements in security measures, and integration with emerging technologies such as IoT devices.<\/p>"},{"question":"How can I find more information about Public IP?","answer":"<p>You can find more information about Public IP by visiting resources like Wikipedia's page on Internet Protocol, the official IPv6 website, or by exploring the services provided by OneProxy at their website, oneproxy.pro.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/478570","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\/478570\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media\/478571"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media?parent=478570"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}