{"id":478107,"date":"2023-08-09T09:27:35","date_gmt":"2023-08-09T09:27:35","guid":{"rendered":""},"modified":"2023-09-05T11:16:08","modified_gmt":"2023-09-05T11:16:08","slug":"netbios","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/vn\/wiki\/netbios\/","title":{"rendered":"NetBIOS"},"content":{"rendered":"<p>NetBIOS, vi\u1ebft t\u1eaft c\u1ee7a H\u1ec7 th\u1ed1ng \u0111\u1ea7u v\u00e0o\/\u0111\u1ea7u ra c\u01a1 b\u1ea3n m\u1ea1ng, l\u00e0 b\u1ed9 giao th\u1ee9c m\u1ea1ng h\u1ed7 tr\u1ee3 giao ti\u1ebfp gi\u1eefa c\u00e1c m\u00e1y t\u00ednh trong m\u1ea1ng c\u1ee5c b\u1ed9 (LAN). Ban \u0111\u1ea7u n\u00f3 \u0111\u01b0\u1ee3c IBM ph\u00e1t tri\u1ec3n v\u00e0o \u0111\u1ea7u nh\u1eefng n\u0103m 1980 \u0111\u1ec3 cho ph\u00e9p PC v\u00e0 c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c chia s\u1ebb t\u00e0i nguy\u00ean nh\u01b0 t\u1ec7p, m\u00e1y in v\u00e0 \u1ee9ng d\u1ee5ng. NetBIOS ho\u1ea1t \u0111\u1ed9ng \u1edf l\u1edbp Phi\u00ean (L\u1edbp 5) v\u00e0 l\u1edbp V\u1eadn chuy\u1ec3n (L\u1edbp 4) c\u1ee7a m\u00f4 h\u00ecnh OSI, khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t th\u00e0nh ph\u1ea7n thi\u1ebft y\u1ebfu c\u1ee7a c\u00e1c h\u1ec7 th\u1ed1ng d\u1ef1a tr\u00ean m\u1ea1ng LAN \u0111\u1eddi \u0111\u1ea7u.<\/p>\n<h2>L\u1ecbch s\u1eed ngu\u1ed3n g\u1ed1c c\u1ee7a NetBIOS v\u00e0 s\u1ef1 \u0111\u1ec1 c\u1eadp \u0111\u1ea7u ti\u00ean v\u1ec1 n\u00f3<\/h2>\n<p>NetBIOS \u0111\u01b0\u1ee3c gi\u1edbi thi\u1ec7u l\u1ea7n \u0111\u1ea7u ti\u00ean v\u00e0o n\u0103m 1983 nh\u01b0 m\u1ed9t ph\u1ea7n c\u1ee7a M\u1ea1ng PC c\u1ee7a IBM, n\u1ed7 l\u1ef1c \u0111\u1ea7u ti\u00ean c\u1ee7a c\u00f4ng ty v\u1ec1 c\u00f4ng ngh\u1ec7 m\u1ea1ng LAN. M\u1ee5c \u0111\u00edch ch\u00ednh c\u1ee7a NetBIOS l\u00e0 cho ph\u00e9p giao ti\u1ebfp gi\u1eefa c\u00e1c m\u00e1y t\u00ednh ch\u1ea1y h\u1ec7 \u0111i\u1ec1u h\u00e0nh PC-DOS c\u1ee7a IBM, phi\u00ean b\u1ea3n MS-DOS c\u1ee7a IBM. Giao th\u1ee9c n\u00e0y \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t ti\u00eau chu\u1ea9n th\u1ef1c t\u1ebf \u0111\u1ec3 li\u00ean l\u1ea1c gi\u1eefa c\u00e1c h\u1ec7 th\u1ed1ng d\u1ef1a tr\u00ean PC trong th\u1eddi k\u1ef3 ti\u1ec1n TCP\/IP.<\/p>\n<h2>Th\u00f4ng tin chi ti\u1ebft v\u1ec1 NetBIOS: M\u1edf r\u1ed9ng ch\u1ee7 \u0111\u1ec1<\/h2>\n<p>NetBIOS cung c\u1ea5p m\u1ed9t l\u1edbp tr\u1eebu t\u01b0\u1ee3ng tr\u00ean c\u00e1c giao th\u1ee9c m\u1ea1ng c\u01a1 b\u1ea3n, cho ph\u00e9p c\u00e1c \u1ee9ng d\u1ee5ng giao ti\u1ebfp v\u1edbi nhau b\u1eb1ng c\u00e1c l\u1ec7nh \u0111\u01a1n gi\u1ea3n, b\u1ea5t k\u1ec3 ph\u1ea7n c\u1ee9ng ho\u1eb7c ph\u1ea7n m\u1ec1m m\u1ea1ng \u0111ang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. N\u00f3 d\u1ef1a tr\u00ean Giao th\u1ee9c g\u00f3i d\u1eef li\u1ec7u ng\u01b0\u1eddi d\u00f9ng (UDP) v\u00e0 Giao th\u1ee9c \u0111i\u1ec1u khi\u1ec3n truy\u1ec1n d\u1eabn (TCP) \u0111\u1ec3 truy\u1ec1n d\u1eef li\u1ec7u.<\/p>\n<h3>C\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a NetBIOS: N\u00f3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o<\/h3>\n<p>NetBIOS ho\u1ea1t \u0111\u1ed9ng tr\u00ean c\u01a1 s\u1edf phi\u00ean v\u00e0 t\u00ean. Khi m\u1ed9t thi\u1ebft b\u1ecb mu\u1ed1n li\u00ean l\u1ea1c v\u1edbi m\u1ed9t thi\u1ebft b\u1ecb kh\u00e1c trong m\u1ea1ng, n\u00f3 s\u1ebd thi\u1ebft l\u1eadp phi\u00ean NetBIOS gi\u1eefa ch\u00fang. Phi\u00ean n\u00e0y cho ph\u00e9p h\u1ecd trao \u0111\u1ed5i d\u1eef li\u1ec7u m\u1ed9t c\u00e1ch an to\u00e0n. M\u1ed7i thi\u1ebft b\u1ecb tham gia m\u1ea1ng NetBIOS \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1eb1ng t\u00ean NetBIOS g\u1ed3m 16 k\u00fd t\u1ef1 duy nh\u1ea5t, cung c\u1ea5p nh\u00e3n d\u1ec5 nh\u1edb cho t\u00e0i nguy\u00ean m\u1ea1ng.<\/p>\n<p>T\u00ean NetBIOS \u0111\u01b0\u1ee3c ph\u00e2n gi\u1ea3i th\u00e0nh \u0111\u1ecba ch\u1ec9 IP th\u00f4ng qua D\u1ecbch v\u1ee5 t\u00ean NetBIOS (NBNS), m\u1ed9t h\u1ec7 th\u1ed1ng \u0111\u1eb7t t\u00ean th\u00f4 s\u01a1 duy tr\u00ec \u00e1nh x\u1ea1 gi\u1eefa t\u00ean NetBIOS v\u00e0 \u0111\u1ecba ch\u1ec9 IP. \u00c1nh x\u1ea1 n\u00e0y cho ph\u00e9p c\u00e1c thi\u1ebft b\u1ecb \u0111\u1ecbnh v\u1ecb v\u00e0 li\u00ean l\u1ea1c v\u1edbi nhau tr\u00ean m\u1ea1ng.<\/p>\n<h2>Ph\u00e2n t\u00edch c\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a NetBIOS<\/h2>\n<p>NetBIOS mang \u0111\u1ebfn m\u1ed9t s\u1ed1 t\u00ednh n\u0103ng ch\u00ednh cho giao ti\u1ebfp m\u1ea1ng:<\/p>\n<ol>\n<li>\n<p><strong>Chia s\u1ebb t\u00e0i nguy\u00ean:<\/strong> NetBIOS cho ph\u00e9p chia s\u1ebb t\u1eadp tin v\u00e0 m\u00e1y in gi\u1eefa c\u00e1c thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi c\u00f9ng m\u1ed9t m\u1ea1ng LAN. \u0110i\u1ec1u n\u00e0y t\u1ea1o \u0111i\u1ec1u ki\u1ec7n cho c\u00f4ng vi\u1ec7c h\u1ee3p t\u00e1c v\u00e0 s\u1eed d\u1ee5ng t\u00e0i nguy\u00ean hi\u1ec7u qu\u1ea3.<\/p>\n<\/li>\n<li>\n<p><strong>\u0110\u1ed9 ph\u00e2n gi\u1ea3i t\u00ean:<\/strong> NetBIOS cung c\u1ea5p c\u01a1 ch\u1ebf d\u1ecbch c\u00e1c t\u00ean d\u1ec5 nh\u1edb (t\u00ean NetBIOS) th\u00e0nh \u0111\u1ecba ch\u1ec9 IP d\u1ea1ng s\u1ed1. \u0110i\u1ec1u n\u00e0y gi\u00fap \u0111\u01a1n gi\u1ea3n h\u00f3a qu\u00e1 tr\u00ecnh k\u1ebft n\u1ed1i v\u1edbi t\u00e0i nguy\u00ean m\u1ea1ng.<\/p>\n<\/li>\n<li>\n<p><strong>Qu\u1ea3n l\u00fd phi\u00ean:<\/strong> NetBIOS thi\u1ebft l\u1eadp v\u00e0 qu\u1ea3n l\u00fd c\u00e1c phi\u00ean giao ti\u1ebfp gi\u1eefa c\u00e1c thi\u1ebft b\u1ecb, \u0111\u1ea3m b\u1ea3o trao \u0111\u1ed5i d\u1eef li\u1ec7u \u0111\u00e1ng tin c\u1eady trong su\u1ed1t th\u1eddi gian c\u1ee7a phi\u00ean.<\/p>\n<\/li>\n<li>\n<p><strong>Ph\u00e1t thanh truy\u1ec1n h\u00ecnh:<\/strong> NetBIOS cho ph\u00e9p c\u00e1c thi\u1ebft b\u1ecb g\u1eedi tin nh\u1eafn qu\u1ea3ng b\u00e1 t\u1edbi t\u1ea5t c\u1ea3 c\u00e1c thi\u1ebft b\u1ecb tr\u00ean m\u1ea1ng. T\u00ednh n\u0103ng n\u00e0y h\u1eefu \u00edch cho vi\u1ec7c th\u00f4ng b\u00e1o d\u1ecbch v\u1ee5 ho\u1eb7c x\u00e1c \u0111\u1ecbnh c\u00e1c ngu\u1ed3n l\u1ef1c s\u1eb5n c\u00f3.<\/p>\n<\/li>\n<\/ol>\n<h2>C\u00e1c lo\u1ea1i NetBIOS<\/h2>\n<p>NetBIOS t\u1ed3n t\u1ea1i \u1edf hai d\u1ea1ng: NetBIOS qua TCP\/IP (NBT) v\u00e0 NetBIOS qua IPX\/SPX. C\u00e1i tr\u01b0\u1edbc \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn h\u01a1n, v\u00ec IPX\/SPX ph\u1ea7n l\u1edbn \u0111\u00e3 \u0111\u01b0\u1ee3c thay th\u1ebf b\u1eb1ng TCP\/IP trong c\u00e1c m\u1ea1ng hi\u1ec7n \u0111\u1ea1i. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 b\u1ea3ng so s\u00e1nh n\u00eau b\u1eadt s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa hai lo\u1ea1i NetBIOS:<\/p>\n<table>\n<thead>\n<tr>\n<th>Lo\u1ea1i NetBIOS<\/th>\n<th>Giao th\u1ee9c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng<\/th>\n<th>Ph\u1ed5 bi\u1ebfn<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>NetBIOS qua TCP\/IP<\/td>\n<td>TCP\/IP<\/td>\n<td>S\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i<\/td>\n<\/tr>\n<tr>\n<td>NetBIOS qua IPX\/SPX<\/td>\n<td>IPX\/SPX<\/td>\n<td>Di s\u1ea3n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>C\u00e1ch s\u1eed d\u1ee5ng NetBIOS, v\u1ea5n \u0111\u1ec1 v\u00e0 gi\u1ea3i ph\u00e1p<\/h2>\n<p>NetBIOS \u0111\u00e3 t\u00ecm th\u1ea5y nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c nhau, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c h\u1ec7 th\u1ed1ng c\u0169 v\u00e0 m\u00f4i tr\u01b0\u1eddng m\u1ea1ng c\u0169 h\u01a1n. Tuy nhi\u00ean, n\u00f3 c\u0169ng \u0111i k\u00e8m v\u1edbi nh\u1eefng th\u00e1ch th\u1ee9c:<\/p>\n<ol>\n<li>\n<p><strong>M\u1ed1i quan t\u00e2m v\u1ec1 an ninh:<\/strong> NetBIOS thi\u1ebfu c\u00e1c t\u00ednh n\u0103ng b\u1ea3o m\u1eadt t\u00edch h\u1ee3p, khi\u1ebfn n\u00f3 d\u1ec5 b\u1ecb t\u1ea5n c\u00f4ng b\u1edfi nhi\u1ec1u cu\u1ed9c t\u1ea5n c\u00f4ng kh\u00e1c nhau, bao g\u1ed3m gi\u1ea3 m\u1ea1o, nghe l\u00e9n v\u00e0 t\u1ea5n c\u00f4ng trung gian.<\/p>\n<\/li>\n<li>\n<p><strong>V\u1ea5n \u0111\u1ec1 v\u1ec1 gi\u1ea3i ph\u00e1p t\u00ean:<\/strong> Vi\u1ec7c d\u1ef1a v\u00e0o NetBIOS Name Service (NBNS) \u0111\u1ec3 ph\u00e2n gi\u1ea3i t\u00ean c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn xung \u0111\u1ed9t v\u00e0 kh\u00f3 kh\u0103n trong vi\u1ec7c duy tr\u00ec \u00e1nh x\u1ea1 t\u00ean t\u1edbi IP nh\u1ea5t qu\u00e1n.<\/p>\n<\/li>\n<li>\n<p><strong>L\u01b0u l\u01b0\u1ee3ng ph\u00e1t s\u00f3ng:<\/strong> B\u1ea3n ch\u1ea5t ph\u00e1t s\u00f3ng c\u1ee7a NetBIOS c\u00f3 th\u1ec3 t\u1ea1o ra l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp m\u1ea1ng kh\u00f4ng c\u1ea7n thi\u1ebft, d\u1eabn \u0111\u1ebfn s\u1ef1 thi\u1ebfu hi\u1ec7u qu\u1ea3 v\u00e0 ti\u1ec1m \u1ea9n t\u1eafc ngh\u1ebdn.<\/p>\n<\/li>\n<\/ol>\n<p>\u0110\u1ec3 gi\u1ea3i quy\u1ebft nh\u1eefng v\u1ea5n \u0111\u1ec1 n\u00e0y, qu\u1ea3n tr\u1ecb vi\u00ean m\u1ea1ng c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n m\u1ed9t s\u1ed1 b\u01b0\u1edbc:<\/p>\n<ul>\n<li>Tri\u1ec3n khai t\u01b0\u1eddng l\u1eeda v\u00e0 ph\u00e2n \u0111o\u1ea1n m\u1ea1ng \u0111\u1ec3 ki\u1ec3m so\u00e1t truy c\u1eadp v\u00e0 ng\u0103n ch\u1eb7n truy c\u1eadp tr\u00e1i ph\u00e9p v\u00e0o c\u00e1c d\u1ecbch v\u1ee5 NetBIOS.<\/li>\n<li>S\u1eed d\u1ee5ng WINS (D\u1ecbch v\u1ee5 t\u00ean Internet c\u1ee7a Windows) \u0111\u1ec3 ph\u00e2n gi\u1ea3i t\u00ean t\u1eadp trung v\u00e0 hi\u1ec7u qu\u1ea3 h\u01a1n trong m\u00f4i tr\u01b0\u1eddng d\u1ef1a tr\u00ean Windows.<\/li>\n<li>S\u1eed d\u1ee5ng VPN (M\u1ea1ng ri\u00eang \u1ea3o) \u0111\u1ec3 b\u1ea3o m\u1eadt li\u00ean l\u1ea1c gi\u1eefa c\u00e1c thi\u1ebft b\u1ecb h\u1ed7 tr\u1ee3 NetBIOS t\u1eeb xa.<\/li>\n<\/ul>\n<h2>C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh v\u00e0 so s\u00e1nh v\u1edbi c\u00e1c thu\u1eadt ng\u1eef t\u01b0\u01a1ng t\u1ef1<\/h2>\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 danh s\u00e1ch c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh c\u1ee7a NetBIOS, c\u00f9ng v\u1edbi nh\u1eefng so s\u00e1nh v\u1edbi c\u00e1c thu\u1eadt ng\u1eef m\u1ea1ng t\u01b0\u01a1ng t\u1ef1:<\/p>\n<p><strong>\u0110\u1eb7c tr\u01b0ng:<\/strong><\/p>\n<ul>\n<li>T\u1ea1o \u0111i\u1ec1u ki\u1ec7n giao ti\u1ebfp trong m\u1ea1ng LAN.<\/li>\n<li>Cho ph\u00e9p chia s\u1ebb t\u00e0i nguy\u00ean, ch\u1eb3ng h\u1ea1n nh\u01b0 t\u1eadp tin v\u00e0 m\u00e1y in.<\/li>\n<li>S\u1eed d\u1ee5ng t\u00ean NetBIOS \u0111\u1ec3 nh\u1eadn d\u1ea1ng thi\u1ebft b\u1ecb.<\/li>\n<li>D\u1ef1a v\u00e0o phi\u00ean \u0111\u1ec3 trao \u0111\u1ed5i d\u1eef li\u1ec7u an to\u00e0n.<\/li>\n<li>S\u1eed d\u1ee5ng NetBIOS Name Service (NBNS) \u0111\u1ec3 ph\u00e2n gi\u1ea3i t\u00ean.<\/li>\n<\/ul>\n<p><strong>So s\u00e1nh:<\/strong><\/p>\n<ul>\n<li><strong>NetBIOS so v\u1edbi TCP\/IP:<\/strong> NetBIOS ho\u1ea1t \u0111\u1ed9ng \u1edf c\u00e1c l\u1edbp cao h\u01a1n (Phi\u00ean v\u00e0 Truy\u1ec1n t\u1ea3i) v\u00e0 cung c\u1ea5p giao di\u1ec7n \u0111\u01a1n gi\u1ea3n h\u01a1n cho c\u00e1c \u1ee9ng d\u1ee5ng, trong khi TCP\/IP l\u00e0 b\u1ed9 giao th\u1ee9c m\u1ea1ng to\u00e0n di\u1ec7n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 li\u00ean l\u1ea1c internet to\u00e0n c\u1ea7u.<\/li>\n<li><strong>NetBIOS so v\u1edbi DNS:<\/strong> NetBIOS s\u1eed d\u1ee5ng NBNS \u0111\u1ec3 ph\u00e2n gi\u1ea3i t\u00ean trong m\u1ea1ng LAN, trong khi DNS (H\u1ec7 th\u1ed1ng t\u00ean mi\u1ec1n) \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ph\u00e2n gi\u1ea3i t\u00ean to\u00e0n c\u1ea7u tr\u00ean internet.<\/li>\n<li><strong>NetBIOS so v\u1edbi SMB:<\/strong> NetBIOS v\u00e0 Server Message Block (SMB) th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng c\u00f9ng nhau. NetBIOS x\u1eed l\u00fd vi\u1ec7c qu\u1ea3n l\u00fd phi\u00ean v\u00e0 ph\u00e2n gi\u1ea3i t\u00ean, trong khi SMB x\u1eed l\u00fd vi\u1ec7c chia s\u1ebb t\u1ec7p v\u00e0 m\u00e1y in.<\/li>\n<\/ul>\n<h2>Quan \u0111i\u1ec3m v\u00e0 c\u00f4ng ngh\u1ec7 c\u1ee7a t\u01b0\u01a1ng lai li\u00ean quan \u0111\u1ebfn NetBIOS<\/h2>\n<p>Trong c\u00e1c m\u1ea1ng hi\u1ec7n \u0111\u1ea1i, NetBIOS ph\u1ea7n l\u1edbn \u0111\u00e3 \u0111\u01b0\u1ee3c thay th\u1ebf b\u1edfi c\u00e1c giao th\u1ee9c ti\u00ean ti\u1ebfn h\u01a1n, ch\u1eb3ng h\u1ea1n nh\u01b0 TCP\/IP v\u00e0 c\u00e1c l\u1ef1a ch\u1ecdn thay th\u1ebf an to\u00e0n h\u01a1n nh\u01b0 SMB phi\u00ean b\u1ea3n 2 v\u00e0 3. Vi\u1ec7c s\u1eed d\u1ee5ng NetBIOS gi\u1ea3m ch\u1ee7 y\u1ebfu l\u00e0 do c\u00e1c l\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng h\u1ea1n ch\u1ebf cho c\u00e1c m\u1ea1ng l\u1edbn h\u01a1n. Khi c\u00e1c doanh nghi\u1ec7p chuy\u1ec3n sang m\u00f4i tr\u01b0\u1eddng \u1ea3o h\u00f3a v\u00e0 d\u1ef1a tr\u00ean \u0111\u00e1m m\u00e2y, m\u1ee9c \u0111\u1ed9 li\u00ean quan c\u1ee7a NetBIOS ti\u1ebfp t\u1ee5c gi\u1ea3m \u0111i.<\/p>\n<h2>C\u00e1ch s\u1eed d\u1ee5ng ho\u1eb7c li\u00ean k\u1ebft m\u00e1y ch\u1ee7 proxy v\u1edbi NetBIOS<\/h2>\n<p>M\u00e1y ch\u1ee7 proxy \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c t\u0103ng c\u01b0\u1eddng hi\u1ec7u su\u1ea5t v\u00e0 b\u1ea3o m\u1eadt m\u1ea1ng. M\u1eb7c d\u00f9 b\u1ea3n th\u00e2n NetBIOS kh\u00f4ng li\u00ean quan tr\u1ef1c ti\u1ebfp \u0111\u1ebfn m\u00e1y ch\u1ee7 proxy nh\u01b0ng ch\u00fang c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng k\u1ebft h\u1ee3p \u0111\u1ec3 cung c\u1ea5p c\u00e1c l\u1edbp b\u1ea3o m\u1eadt b\u1ed5 sung v\u00e0 t\u1ed1i \u01b0u h\u00f3a l\u01b0u l\u01b0\u1ee3ng m\u1ea1ng.<\/p>\n<p>M\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3:<\/p>\n<ul>\n<li>L\u1ecdc l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp NetBIOS, ng\u0103n ch\u1eb7n c\u00e1c y\u00eau c\u1ea7u c\u00f3 h\u1ea1i ho\u1eb7c tr\u00e1i ph\u00e9p ti\u1ebfp c\u1eadn m\u1ea1ng.<\/li>\n<li>\u0110\u00f3ng vai tr\u00f2 trung gian gi\u1eefa c\u00e1c thi\u1ebft b\u1ecb h\u1ed7 tr\u1ee3 NetBIOS v\u00e0 internet, t\u0103ng c\u01b0\u1eddng quy\u1ec1n ri\u00eang t\u01b0 v\u00e0 \u1ea9n danh cho ng\u01b0\u1eddi d\u00f9ng.<\/li>\n<li>B\u1ed9 nh\u1edb \u0111\u1ec7m th\u01b0\u1eddng xuy\u00ean truy c\u1eadp t\u00e0i nguy\u00ean NetBIOS, gi\u1ea3m th\u1eddi gian ph\u1ea3n h\u1ed3i v\u00e0 ti\u1ebft ki\u1ec7m b\u0103ng th\u00f4ng m\u1ea1ng.<\/li>\n<\/ul>\n<h2>Li\u00ean k\u1ebft li\u00ean quan<\/h2>\n<p>\u0110\u1ec3 bi\u1ebft th\u00eam th\u00f4ng tin v\u1ec1 NetBIOS, h\u00e3y xem x\u00e9t kh\u00e1m ph\u00e1 c\u00e1c t\u00e0i nguy\u00ean sau:<\/p>\n<ol>\n<li><a href=\"https:\/\/docs.microsoft.com\/en-us\/troubleshoot\/windows-server\/networking\/netbios-over-tcp-ip\" target=\"_new\" rel=\"noopener nofollow\">Microsoft Technet \u2013 NetBIOS<\/a><\/li>\n<li><a href=\"https:\/\/www.redbooks.ibm.com\/abstracts\/sg245440.html\" target=\"_new\" rel=\"noopener nofollow\">S\u00e1ch \u0111\u1ecf IBM \u2013 C\u00e1c kh\u00e1i ni\u1ec7m v\u00e0 s\u1ea3n ph\u1ea9m m\u1ea1ng c\u1ee5c b\u1ed9<\/a><\/li>\n<\/ol>","protected":false},"featured_media":478108,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-478107","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>NetBIOS: Enhancing Network Communication and Connectivity<\/mark>","faq_items":[{"question":"<strong>What is NetBIOS and what is its purpose?<\/strong>","answer":"<p>NetBIOS stands for Network Basic Input\/Output System. It is a networking protocol suite developed by IBM in the 1980s to facilitate communication between computers within a local area network (LAN). The primary purpose of NetBIOS is to allow devices to share resources like files, printers, and applications over the network.<\/p>"},{"question":"<strong>How did NetBIOS originate and where was it first mentioned?<\/strong>","answer":"<p>NetBIOS was introduced by IBM in 1983 as part of their PC Network, the company's first LAN technology. Its first mention was in the context of enabling communication between computers running IBM's PC-DOS operating system.<\/p>"},{"question":"<strong>How does NetBIOS work internally and what are NetBIOS names?<\/strong>","answer":"<p>NetBIOS works by establishing sessions between devices for secure data exchange. Each device on the network is identified by a unique 16-character NetBIOS name, providing an easy-to-remember label for network resources.<\/p>"},{"question":"<strong>What are the key features of NetBIOS?<\/strong>","answer":"<p>NetBIOS offers several key features, including resource sharing, name resolution, session management, and broadcasting capabilities.<\/p>"},{"question":"<strong>What are the types of NetBIOS and their differences?<\/strong>","answer":"<p>There are two types of NetBIOS: NetBIOS over TCP\/IP (NBT) and NetBIOS over IPX\/SPX. NBT is more widely used as IPX\/SPX is a legacy protocol.<\/p>"},{"question":"<strong>What are the common challenges associated with NetBIOS?<\/strong>","answer":"<p>NetBIOS faces security concerns due to its lack of built-in security features. Name resolution issues can lead to conflicts, and broadcasting can generate unnecessary network traffic.<\/p>"},{"question":"<strong>How can network administrators address NetBIOS challenges?<\/strong>","answer":"<p>To address security concerns, implement firewalls and network segmentation. For name resolution, consider using WINS (Windows Internet Name Service). VPNs can secure communication between remote NetBIOS-enabled devices.<\/p>"},{"question":"<strong>How does NetBIOS compare to other networking terms like TCP\/IP, DNS, and SMB?<\/strong>","answer":"<p>NetBIOS is a simpler interface for LAN communication, whereas TCP\/IP is used for global internet communication. DNS is for global name resolution, and SMB handles file and printer sharing.<\/p>"},{"question":"<strong>What is the future outlook for NetBIOS in modern networks?<\/strong>","answer":"<p>NetBIOS usage is declining in modern networks, as it has been replaced by more advanced and secure protocols like TCP\/IP and SMB version 2 and 3.<\/p>"},{"question":"<strong>How can proxy servers be associated with NetBIOS for network optimization?<\/strong>","answer":"<p>Proxy servers can enhance NetBIOS-enabled networks by filtering traffic, acting as intermediaries, and caching resources for improved security and performance.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/478107","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\/478107\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media\/478108"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media?parent=478107"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}