{"id":478191,"date":"2023-08-09T09:28:42","date_gmt":"2023-08-09T09:28:42","guid":{"rendered":""},"modified":"2023-09-05T11:16:13","modified_gmt":"2023-09-05T11:16:13","slug":"network-tap","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/vn\/wiki\/network-tap\/","title":{"rendered":"Nh\u1ea5n v\u00e0o m\u1ea1ng"},"content":{"rendered":"<p>Th\u00f4ng tin t\u00f3m t\u1eaft v\u1ec1 Network tap<\/p>\n<p>V\u00f2i m\u1ea1ng (\u0110i\u1ec3m truy c\u1eadp th\u1eed nghi\u1ec7m) l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb ph\u1ea7n c\u1ee9ng cung c\u1ea5p c\u00e1ch truy c\u1eadp d\u1eef li\u1ec7u truy\u1ec1n qua m\u1ea1ng m\u00e1y t\u00ednh. Trong nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p, n\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 gi\u00e1m s\u00e1t m\u1ea1ng, kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 ho\u1eb7c ch\u1eb7n h\u1ee3p ph\u00e1p. V\u00f2i l\u00e0 thi\u1ebft b\u1ecb quan tr\u1ecdng trong l\u0129nh v\u1ef1c qu\u1ea3n l\u00fd v\u00e0 b\u1ea3o m\u1eadt m\u1ea1ng.<\/p>\n<h2>L\u1ecbch s\u1eed c\u1ee7a m\u1ea1ng Tap<\/h2>\n<p>L\u1ecbch s\u1eed v\u1ec1 ngu\u1ed3n g\u1ed1c c\u1ee7a Network tap v\u00e0 l\u1ea7n \u0111\u1ea7u ti\u00ean \u0111\u1ec1 c\u1eadp \u0111\u1ebfn n\u00f3.<\/p>\n<p>V\u00f2i m\u1ea1ng c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb ng\u00e0nh vi\u1ec5n th\u00f4ng v\u00e0 c\u00f3 l\u1ecbch s\u1eed t\u1eeb cu\u1ed1i nh\u1eefng n\u0103m 1970. Ban \u0111\u1ea7u \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho \u0111\u01b0\u1eddng d\u00e2y \u0111i\u1ec7n tho\u1ea1i, kh\u00e1i ni\u1ec7m n\u00e0y sau \u0111\u00f3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng cho m\u1ea1ng m\u00e1y t\u00ednh. V\u00e0o nh\u1eefng n\u0103m 1980, v\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00f4ng ngh\u1ec7 Ethernet, c\u00e1c thi\u1ebft b\u1ecb khai th\u00e1c m\u1ea1ng b\u1eaft \u0111\u1ea7u tr\u1edf th\u00e0nh c\u00f4ng c\u1ee5 ti\u00eau chu\u1ea9n cho c\u00e1c k\u1ef9 s\u01b0 m\u1ea1ng, h\u1ed7 tr\u1ee3 gi\u00e1m s\u00e1t v\u00e0 ch\u1ea9n \u0111o\u00e1n m\u1ea1ng.<\/p>\n<h2>Th\u00f4ng tin chi ti\u1ebft v\u1ec1 Network Tap<\/h2>\n<p>M\u1edf r\u1ed9ng ch\u1ee7 \u0111\u1ec1 M\u1ea1ng nh\u1ea5n v\u00e0o.<\/p>\n<p>V\u00f2i m\u1ea1ng th\u01b0\u1eddng l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb th\u1ee5 \u0111\u1ed9ng sao ch\u00e9p lu\u1ed3ng d\u1eef li\u1ec7u theo c\u1ea3 hai h\u01b0\u1edbng gi\u1eefa c\u00e1c thi\u1ebft b\u1ecb m\u1ea1ng m\u00e0 kh\u00f4ng l\u00e0m gi\u00e1n \u0111o\u1ea1n ho\u1eb7c thay \u0111\u1ed5i lu\u1ed3ng d\u1eef li\u1ec7u. N\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 gi\u00e1m s\u00e1t hi\u1ec7u su\u1ea5t m\u1ea1ng, kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 ho\u1eb7c cung c\u1ea5p gi\u00e1m s\u00e1t b\u1ea3o m\u1eadt.<\/p>\n<h3>C\u00e1c \u1ee9ng d\u1ee5ng<\/h3>\n<ul>\n<li><strong>Gi\u00e1m s\u00e1t m\u1ea1ng:<\/strong> Quan s\u00e1t v\u00e0 ph\u00e2n t\u00edch hi\u1ec7u su\u1ea5t m\u1ea1ng.<\/li>\n<li><strong>B\u1ea3o v\u1ec7:<\/strong> Ph\u00e1t hi\u1ec7n v\u00e0 \u0111i\u1ec1u tra c\u00e1c ho\u1ea1t \u0111\u1ed9ng \u0111\u00e1ng ng\u1edd.<\/li>\n<li><strong>X\u1eed l\u00fd s\u1ef1 c\u1ed1:<\/strong> X\u00e1c \u0111\u1ecbnh v\u00e0 ch\u1ea9n \u0111o\u00e1n c\u00e1c s\u1ef1 c\u1ed1 m\u1ea1ng.<\/li>\n<li><strong>S\u1ef1 tu\u00e2n th\u1ee7:<\/strong> \u0110\u1ea3m b\u1ea3o tu\u00e2n th\u1ee7 c\u00e1c quy \u0111\u1ecbnh c\u1ee7a ng\u00e0nh.<\/li>\n<\/ul>\n<h2>C\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a m\u1ea1ng Tap<\/h2>\n<p>C\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a n\u00fat M\u1ea1ng.<\/p>\n<p>M\u1ed9t v\u00f2i m\u1ea1ng th\u01b0\u1eddng bao g\u1ed3m ba c\u1ed5ng:<\/p>\n<ol>\n<li><strong>Ph\u00eda m\u1ea1ng A &amp; B:<\/strong> K\u1ebft n\u1ed1i v\u1edbi ph\u00e2n \u0111o\u1ea1n m\u1ea1ng \u0111ang \u0111\u01b0\u1ee3c gi\u00e1m s\u00e1t.<\/li>\n<li><strong>C\u1ed5ng gi\u00e1m s\u00e1t:<\/strong> K\u1ebft n\u1ed1i v\u1edbi thi\u1ebft b\u1ecb gi\u00e1m s\u00e1t.<\/li>\n<\/ol>\n<p>Nh\u1ea5n s\u1ebd t\u1ea1o b\u1ea3n sao \u0111i\u1ec7n ch\u00ednh x\u00e1c c\u1ee7a c\u1ea3 lu\u1ed3ng d\u1eef li\u1ec7u g\u1eedi v\u00e0 nh\u1eadn, chuy\u1ec3n ti\u1ebfp d\u1eef li\u1ec7u n\u00e0y \u0111\u1ebfn c\u1ed5ng m\u00e0n h\u00ecnh. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p xem l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp theo th\u1eddi gian th\u1ef1c m\u00e0 kh\u00f4ng l\u00e0m thay \u0111\u1ed5i ho\u1eb7c l\u00e0m gi\u00e1n \u0111o\u1ea1n lu\u1ed3ng m\u1ea1ng.<\/p>\n<h2>Ph\u00e2n t\u00edch c\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a Network Tap<\/h2>\n<ul>\n<li><strong>S\u1ef1 th\u1ee5 \u0111\u1ed9ng:<\/strong> Vi\u1ec7c nh\u1ea5n kh\u00f4ng g\u00e2y ra \u0111\u1ed9 tr\u1ec5 ho\u1eb7c thay \u0111\u1ed5i d\u1eef li\u1ec7u.<\/li>\n<li><strong>Kh\u1ea3 n\u0103ng hi\u1ec3n th\u1ecb song c\u00f4ng ho\u00e0n to\u00e0n:<\/strong> Cho ph\u00e9p gi\u00e1m s\u00e1t c\u1ea3 vi\u1ec7c truy\u1ec1n v\u00e0 nh\u1eadn d\u1eef li\u1ec7u.<\/li>\n<li><strong>Kh\u00f4ng c\u00f3 \u0111\u1ecba ch\u1ec9 IP:<\/strong> V\u00ec n\u00f3 kh\u00f4ng c\u00f3 \u0111\u1ecba ch\u1ec9 IP n\u00ean n\u00f3 v\u00f4 h\u00ecnh tr\u01b0\u1edbc c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng m\u1ea1ng.<\/li>\n<li><strong>Dung sai l\u1ed7i:<\/strong> Th\u01b0\u1eddng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 kh\u00f4ng an to\u00e0n, cho ph\u00e9p l\u01b0u l\u01b0\u1ee3ng m\u1ea1ng ti\u1ebfp t\u1ee5c ngay c\u1ea3 khi thi\u1ebft b\u1ecb gi\u00e1m s\u00e1t b\u1ecb l\u1ed7i.<\/li>\n<\/ul>\n<h2>C\u00e1c lo\u1ea1i v\u00f2i m\u1ea1ng<\/h2>\n<p>Vi\u1ebft nh\u1eefng lo\u1ea1i v\u00f2i M\u1ea1ng t\u1ed3n t\u1ea1i. S\u1eed d\u1ee5ng b\u1ea3ng v\u00e0 danh s\u00e1ch \u0111\u1ec3 vi\u1ebft.<\/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>Nh\u1ea5n th\u1ee5 \u0111\u1ed9ng<\/td>\n<td>Kh\u00f4ng c\u1ea7n ngu\u1ed3n \u0111i\u1ec7n; ch\u1ec9 \u0111\u01a1n gi\u1ea3n l\u00e0 nh\u00e2n \u0111\u00f4i t\u00edn hi\u1ec7u.<\/td>\n<\/tr>\n<tr>\n<td>Nh\u1ea5n v\u00e0o ho\u1ea1t \u0111\u1ed9ng<\/td>\n<td>Y\u00eau c\u1ea7u quy\u1ec1n l\u1ef1c; th\u01b0\u1eddng c\u00f3 c\u00e1c t\u00ednh n\u0103ng b\u1ed5 sung nh\u01b0 l\u1ecdc.<\/td>\n<\/tr>\n<tr>\n<td>Nh\u1ea5n v\u00e0o t\u1eadp h\u1ee3p<\/td>\n<td>K\u1ebft h\u1ee3p c\u1ea3 hai h\u01b0\u1edbng c\u1ee7a lu\u1ed3ng tr\u00f9ng l\u1eb7p ho\u00e0n to\u00e0n th\u00e0nh m\u1ed9t lu\u1ed3ng duy nh\u1ea5t.<\/td>\n<\/tr>\n<tr>\n<td>Nh\u1ea5n t\u00e1i sinh<\/td>\n<td>G\u1eedi c\u00e1c b\u1ea3n sao c\u1ee7a t\u00edn hi\u1ec7u t\u1edbi nhi\u1ec1u thi\u1ebft b\u1ecb gi\u00e1m s\u00e1t.<\/td>\n<\/tr>\n<tr>\n<td>Nh\u1ea5n \u1ea3o<\/td>\n<td>Th\u1ef1c hi\u1ec7n tr\u00ean ph\u1ea7n m\u1ec1m; \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 gi\u00e1m s\u00e1t m\u00f4i tr\u01b0\u1eddng \u1ea3o h\u00f3a.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>C\u00e1c c\u00e1ch s\u1eed d\u1ee5ng Nh\u1ea5n m\u1ea1ng, 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<ul>\n<li><strong>C\u00e1ch s\u1eed d\u1ee5ng:<\/strong> Gi\u00e1m s\u00e1t m\u1ea1ng, b\u1ea3o m\u1eadt, tu\u00e2n th\u1ee7, v.v.<\/li>\n<li><strong>C\u00e1c v\u1ea5n \u0111\u1ec1:<\/strong>\n<ul>\n<li>\u0110i\u1ec3m ngh\u1ebdn ti\u1ec1m \u1ea9n<\/li>\n<li>C\u1ea5u h\u00ecnh sai d\u1eabn \u0111\u1ebfn r\u00f2 r\u1ec9 d\u1eef li\u1ec7u<\/li>\n<li>Nh\u1eefng v\u1ea5n \u0111\u1ec1 t\u01b0\u01a1ng th\u00edch<\/li>\n<\/ul>\n<\/li>\n<li><strong>C\u00e1c gi\u1ea3i ph\u00e1p:<\/strong>\n<ul>\n<li>B\u1ea3o tr\u00ec th\u01b0\u1eddng xuy\u00ean<\/li>\n<li>C\u1ea5u h\u00ecnh v\u00e0 t\u00e0i li\u1ec7u ph\u00f9 h\u1ee3p<\/li>\n<li>L\u1ef1a ch\u1ecdn lo\u1ea1i v\u00f2i ph\u00f9 h\u1ee3p v\u1edbi m\u00f4i tr\u01b0\u1eddng<\/li>\n<\/ul>\n<\/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<\/h2>\n<ul>\n<li><strong>Nh\u1ea5n m\u1ea1ng so v\u1edbi ph\u1ea3n chi\u1ebfu c\u1ed5ng:<\/strong>\n<ul>\n<li>Network Tap cung c\u1ea5p quy\u1ec1n truy c\u1eadp theo th\u1eddi gian th\u1ef1c, kh\u00f4ng b\u1ecb pha lo\u00e3ng; Ph\u1ea3n chi\u1ebfu c\u1ed5ng c\u00f3 th\u1ec3 g\u00e2y ra \u0111\u1ed9 tr\u1ec5 v\u00e0 m\u1ea5t g\u00f3i.<\/li>\n<li>Network Tap kh\u00f4ng y\u00eau c\u1ea7u c\u1ea5u h\u00ecnh tr\u00ean c\u00e1c thi\u1ebft b\u1ecb m\u1ea1ng; C\u1ed5ng ph\u1ea3n chi\u1ebfu c\u00f3.<\/li>\n<\/ul>\n<\/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 Network Tap<\/h2>\n<p>V\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y v\u00e0 \u1ea3o h\u00f3a, c\u00e1c v\u00f2i \u1ea3o \u0111ang ng\u00e0y c\u00e0ng tr\u1edf n\u00ean ph\u1ed5 bi\u1ebfn. Nh\u1eefng ph\u00e1t tri\u1ec3n trong t\u01b0\u01a1ng lai c\u00f3 th\u1ec3 bao g\u1ed3m t\u00edch h\u1ee3p ph\u00e2n t\u00edch do AI cung c\u1ea5p, c\u00e1c t\u00ednh n\u0103ng b\u1ea3o m\u1eadt n\u00e2ng cao v\u00e0 t\u00edch h\u1ee3p li\u1ec1n m\u1ea1ch h\u01a1n v\u1edbi c\u00e1c ki\u1ebfn tr\u00fac m\u1ea1ng kh\u00e1c nhau.<\/p>\n<h2>C\u00e1ch s\u1eed d\u1ee5ng ho\u1eb7c li\u00ean k\u1ebft m\u00e1y ch\u1ee7 proxy v\u1edbi m\u1ea1ng Tap<\/h2>\n<p>M\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng song song v\u1edbi c\u00e1c v\u00f2i m\u1ea1ng b\u1eb1ng c\u00e1ch \u0111i\u1ec1u h\u01b0\u1edbng l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp qua ch\u00fang nh\u1eb1m m\u1ee5c \u0111\u00edch gi\u00e1m s\u00e1t ho\u1eb7c b\u1ea3o m\u1eadt. S\u1ef1 k\u1ebft h\u1ee3p n\u00e0y cung c\u1ea5p m\u1ed9t c\u00e1ch ti\u1ebfp c\u1eadn theo l\u1edbp \u0111\u1ec3 qu\u1ea3n l\u00fd m\u1ea1ng, n\u00e2ng cao kh\u1ea3 n\u0103ng hi\u1ec3n th\u1ecb, ki\u1ec3m so\u00e1t v\u00e0 b\u1ea3o m\u1eadt.<\/p>\n<h2>Li\u00ean k\u1ebft li\u00ean quan<\/h2>\n<ul>\n<li><a href=\"https:\/\/www.cisco.com\/\" target=\"_new\" rel=\"noopener nofollow\">H\u01b0\u1edbng d\u1eabn v\u1ec1 c\u00e1c v\u00f2i m\u1ea1ng c\u1ee7a Cisco<\/a><\/li>\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Network_tap\" target=\"_new\" rel=\"noopener nofollow\">Trang Wikipedia tr\u00ean c\u00e1c v\u00f2i m\u1ea1ng<\/a><\/li>\n<li><a href=\"https:\/\/oneproxy.pro\/vn\/\" target=\"_new\" rel=\"noopener\">S\u1ea3n ph\u1ea9m c\u1ee7a OneProxy li\u00ean quan \u0111\u1ebfn Network Taps<\/a><\/li>\n<\/ul>\n<p>\u0110\u1ed1i v\u1edbi nh\u1eefng ng\u01b0\u1eddi quan t\u00e2m \u0111\u1ebfn vi\u1ec7c t\u00ecm hi\u1ec3u s\u00e2u h\u01a1n v\u1ec1 th\u1ebf gi\u1edbi v\u00f2i M\u1ea1ng, c\u00e1c li\u00ean k\u1ebft tr\u00ean cung c\u1ea5p h\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n, quan \u0111i\u1ec3m l\u1ecbch s\u1eed v\u00e0 \u1ee9ng d\u1ee5ng hi\u1ec7n \u0111\u1ea1i, bao g\u1ed3m c\u1ea3 c\u00e1c s\u1ea3n ph\u1ea9m do OneProxy cung c\u1ea5p.<\/p>","protected":false},"featured_media":478192,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-478191","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Network Tap: An In-Depth Analysis<\/mark>","faq_items":[{"question":"What is a Network Tap?","answer":"<p>A Network Tap (Test Access Point) is a hardware device that provides a way to access and monitor the data flowing across a computer network without disrupting or altering the data flow. It's used for applications like network monitoring, troubleshooting, security monitoring, and ensuring compliance with regulations.<\/p>"},{"question":"How did Network Taps originate and what is their history?","answer":"<p>Network taps originated in the telecommunications industry in the late 1970s, initially designed for telephone lines. With the growth of Ethernet technology in the 1980s, they became a standard tool for network engineers, aiding in network monitoring and diagnostics.<\/p>"},{"question":"What are the main components of a Network Tap?","answer":"<p>A Network Tap usually consists of three ports: Network Side A &amp; B, which connect to the network segment being monitored, and the Monitor Port, which connects to the monitoring device. The tap creates an exact electrical copy of the data streams and forwards this data to the monitoring device.<\/p>"},{"question":"What are the key features of a Network Tap?","answer":"<p>The key features include its passivity, full-duplex visibility, lack of an IP address, and fault tolerance. Network Taps don't introduce delay or alter data, they enable monitoring of both transmitting and receiving data, they're invisible to network attacks, and they often allow network traffic to continue even if the monitoring device fails.<\/p>"},{"question":"What types of Network Taps exist?","answer":"<p>There are various types of Network Taps including Passive Taps, Active Taps, Aggregation Taps, Regeneration Taps, and Virtual Taps. These differ in requirements such as power, functionality, and application, ranging from simple signal duplication to more complex filtering and multiple monitoring capabilities.<\/p>"},{"question":"How can Network Taps be used, and what problems might arise?","answer":"<p>Network Taps can be used for monitoring network performance, detecting suspicious activities, identifying network issues, and ensuring compliance. Potential problems include potential bottlenecks, misconfiguration leading to data leakage, and compatibility issues. Regular maintenance, proper configuration, and selecting the right type of tap can mitigate these problems.<\/p>"},{"question":"How are Network Taps different from Port Mirroring?","answer":"<p>While both provide access to network data, Network Taps offer real-time, undiluted access, and don\u2019t require configuration on network devices. Port Mirroring may introduce latency and packet loss and requires configuration.<\/p>"},{"question":"What are the future perspectives related to Network Tap?","answer":"<p>Future developments may include virtual taps for cloud computing, AI-powered analytics integration, enhanced security features, and more seamless integration with various network architectures.<\/p>"},{"question":"How are proxy servers like OneProxy associated with Network Tap?","answer":"<p>Proxy servers can work with network taps by directing traffic through them for monitoring or security purposes. This combination provides a layered approach to network management, enhancing visibility, control, and security.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/478191","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\/478191\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media\/478192"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media?parent=478191"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}