{"id":897,"date":"2018-01-17T18:06:09","date_gmt":"2018-01-17T09:06:09","guid":{"rendered":"https:\/\/chat-messenger.com\/?p=897"},"modified":"2019-09-22T22:44:27","modified_gmt":"2019-09-22T13:44:27","slug":"packet_tracking","status":"publish","type":"post","link":"https:\/\/chat-messenger.com\/vi\/thu-cong\/etc\/goi_theo-doi","title":{"rendered":"theo d\u00f5i g\u00f3i"},"content":{"rendered":"

V\u1ec1 ch\u1ee9c n\u0103ng theo d\u00f5i g\u00f3i tin<\/h2>\n

N\u00f3 c\u00f3 s\u1eb5n t\u1ea1i "Tr\u1ee3 gi\u00fap" \u21d2 "C\u00d4NG C\u1ee4" \u21d2 "G\u00f3i theo d\u00f5i".<\/p>\n

B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng ch\u1ee9c n\u0103ng n\u00e0y \u0111\u1ec3 theo d\u00f5i c\u00e1c g\u00f3i \u0111\u00e3 g\u1eedi v\u00e0 nh\u1eadn, c\u00f3 th\u1ec3 c\u00e1ch ly s\u1ef1 c\u1ed1 n\u1ebfu x\u1ea3y ra s\u1ef1 ki\u1ec7n ch\u1eb3ng h\u1ea1n nh\u01b0 ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng th\u1ec3 nh\u1eadn ra n\u00f3.<\/p>\n

C\u00f4 l\u1eadp v\u1ea5n \u0111\u1ec1 v\u1edbi vi\u1ec7c theo d\u00f5i g\u00f3i<\/h2>\n

\nN\u1ebfu s\u1ef1 c\u1ed1 l\u00e0 ch\u1ec9 m\u1ed9t ng\u01b0\u1eddi d\u00f9ng c\u1ee5 th\u1ec3 kh\u00f4ng \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb ho\u1eb7c trang \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb ngo\u1ea1i tuy\u1ebfn, c\u00f3 th\u1ec3 t\u01b0\u1eddng l\u1eeda Windows ho\u1eb7c ph\u1ea7n m\u1ec1m kh\u00e1c nh\u01b0 di\u1ec7t virus \u0111ang ch\u1eb7n m\u1ed9t s\u1ed1 g\u00f3i nh\u1ea5t \u0111\u1ecbnh.\n<\/p>\n

\nVui l\u00f2ng s\u1eed d\u1ee5ng "ch\u1ee9c n\u0103ng theo d\u00f5i g\u00f3i" \u0111\u1ec3 "ph\u00e1t l\u1ec7nh ping cho ng\u01b0\u1eddi d\u00f9ng m\u1ee5c ti\u00eau" ho\u1eb7c "th\u00f4ng b\u00e1o cho ng\u01b0\u1eddi d\u00f9ng m\u1ee5c ti\u00eau tham gia m\u1ea1ng" \u0111\u1ed1i v\u1edbi nh\u1eefng ng\u01b0\u1eddi d\u00f9ng c\u00f3 \u0111\u01b0\u1eddng truy\u1ec1n kh\u00f4ng \u1ed5n \u0111\u1ecbnh.\n<\/p>\n<\/p>\n

N\u1ebfu k\u1ebft qu\u1ea3 ping \u1ed5n, n\u1ebfu b\u00ecnh th\u01b0\u1eddng, ng\u01b0\u1eddi d\u00f9ng m\u1ee5c ti\u00eau s\u1ebd \u0111\u01b0\u1ee3c th\u00f4ng b\u00e1o v\u1ec1 g\u00f3i \u0111\u00e3 nh\u1eadn d\u01b0\u1edbi d\u1ea1ng ph\u1ea3n h\u1ed3i sau khi g\u1eedi m\u1ed9t g\u00f3i tham gia. N\u1ebfu g\u00f3i ph\u1ea3n h\u1ed3i nh\u1eadn \u0111\u01b0\u1ee3c kh\u00f4ng \u0111\u01b0\u1ee3c th\u00f4ng b\u00e1o, c\u00f3 th\u1ec3 t\u01b0\u1eddng l\u1eeda Windows \u0111ang ch\u1eb7n m\u1ed9t s\u1ed1 g\u00f3i nh\u1ea5t \u0111\u1ecbnh.<\/p>\n

\n \n<\/div>\n<\/p>\n

\nN\u1ebfu k\u1ebft qu\u1ea3 "Th\u00f4ng b\u00e1o tham gia m\u1ea1ng" trong ch\u1ee9c n\u0103ng theo d\u00f5i g\u00f3i kh\u00f4ng b\u00ecnh th\u01b0\u1eddng,Ng\u01b0\u1eddi d\u00f9ng c\u00f3 giao ti\u1ebfp kh\u00f4ng \u1ed5n \u0111\u1ecbnh<\/u>Vui l\u00f2ng v\u00e0o "Tr\u1ee3 gi\u00fap" -> "Ki\u1ec3m tra t\u01b0\u1eddng l\u1eeda Windows".\n<\/p>\n

\u01af\u1edbc l\u01b0\u1ee3ng l\u01b0u l\u01b0\u1ee3ng m\u1ea1ng<\/a><\/h2>\n

Chat&Messenger t\u1ef1 \u0111\u1ed9ng nh\u1eadn d\u1ea1ng ng\u01b0\u1eddi d\u00f9ng v\u00e0 cho ph\u00e9p nh\u1eafn tin theo th\u1eddi gian th\u1ef1c ngay c\u1ea3 gi\u1eefa c\u00e1c \u0111\u1ecba \u0111i\u1ec3m \u1edf xa, nh\u01b0ng m\u1ed9t s\u1ed1 qu\u1ea3n tr\u1ecb vi\u00ean c\u00f3 th\u1ec3 th\u1eafc m\u1eafc li\u1ec7u t\u00ednh n\u0103ng n\u00e0y c\u00f3 y\u00eau c\u1ea7u nhi\u1ec1u l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp m\u1ea1ng hay kh\u00f4ng.<\/p>\n

\u0110\u1ec3 d\u1ec5 hi\u1ec3u h\u01a1n ch\u00fang ta h\u00e3y so s\u00e1nh n\u00f3 v\u1edbi m\u1ed9t tr\u00ecnh duy\u1ec7t web.
\nT\u00f4i c\u00f3 th\u1ec3 n\u00f3i r\u1eb1ng n\u00f3 \u00edt n\u1eb7ng n\u1ec1 h\u01a1n so v\u1edbi vi\u1ec7c xem c\u00e1c trang web b\u1eb1ng tr\u00ecnh duy\u1ec7t web v\u1edbi t\u1ea7n su\u1ea5t b\u00ecnh th\u01b0\u1eddng.<\/b><\/p>\n

\u0110\u1ec3 ki\u1ec3m tra l\u01b0\u1ee3ng l\u01b0u l\u01b0\u1ee3ng m\u1ea1ng g\u1ea7n \u0111\u00fang, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng "ch\u1ee9c n\u0103ng theo d\u00f5i g\u00f3i" \u0111\u1ec3 ki\u1ec3m tra s\u1ed1 l\u01b0\u1ee3ng g\u00f3i \u0111\u00e3 g\u1eedi v\u00e0 nh\u1eadn c\u0169ng nh\u01b0 t\u1ed5ng k\u00edch th\u01b0\u1edbc.<\/p>\n

Trong m\u00f4i tr\u01b0\u1eddng c\u00f3 10 th\u00e0nh vi\u00ean n\u01a1i CAMServer \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t th\u1eed nghi\u1ec7m, ch\u00fang t\u00f4i tr\u00f2 chuy\u1ec7n v\u00e0 g\u1eedi\/nh\u1eadn qua tin nh\u1eafn kh\u00e1 th\u01b0\u1eddng xuy\u00ean trong m\u1ed9t gi\u1edd v\u00e0 c\u0169ng \u0111\u01b0\u1ee3c l\u00e0m m\u1edbi nhi\u1ec1u l\u1ea7n.T\u1ed5ng k\u00edch th\u01b0\u1edbc c\u1ee7a c\u00e1c g\u00f3i \u0111\u01b0\u1ee3c g\u1eedi v\u00e0 nh\u1eadn b\u1edfi m\u1ed9t PC ch\u1ec9 l\u00e0 87KB.<\/u><\/p>\n

\n \n<\/div>\n

\u0110\u1ec3 tham kh\u1ea3o, khi t\u1ea3i trang TOP c\u1ee7a trang Chat&Messenger trong tr\u00ecnh duy\u1ec7t nh\u01b0 IE,
\n\u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 580KB d\u1eef li\u1ec7u s\u1ebd \u0111\u01b0\u1ee3c truy\u1ec1n ch\u1ec9 cho m\u1ed9t trang.<\/u>
\n(*\u0110\u01b0\u1ee3c \u0111o \u1edf d\u1ea1ng kh\u00f4ng \u0111\u01b0\u1ee3c l\u01b0u v\u00e0o b\u1ed9 nh\u1edb \u0111\u1ec7m, bao g\u1ed3m c\u1ea3 t\u1ec7p h\u00ecnh \u1ea3nh)<\/p>\n

\n \n<\/div>\n

N\u00f3i c\u00e1ch kh\u00e1c, ngay c\u1ea3 khi 10 th\u00e0nh vi\u00ean g\u1eedi v\u00e0 nh\u1eadn tin nh\u1eafn th\u01b0\u1eddng xuy\u00ean trong ng\u00e0y th\u00ec l\u01b0\u1ee3ng d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c g\u1eedi v\u00e0 nh\u1eadn b\u1edfi m\u1ed9t PC c\u0169ng t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi vi\u1ec7c t\u1ea3i m\u1ed9t trang web.<\/b><\/p>\n

87KB x 7 (th\u1eddi gian s\u1eed d\u1ee5ng 1 ng\u00e0y) = kho\u1ea3ng 610KB<\/i><\/p>\n

Ngay c\u1ea3 khi s\u1ed1 l\u01b0\u1ee3ng ng\u01b0\u1eddi d\u00f9ng \u0111\u1ea1t t\u1edbi 100, kh\u00f4ng c\u1ea7n thi\u1ebft ph\u1ea3i nh\u00e2n s\u1ed1 \u0111\u00f3 v\u1edbi 10. \u0110i\u1ec1u n\u00e0y l\u00e0 do vi\u1ec7c g\u1eedi v\u00e0 nh\u1eadn tin nh\u1eafn chi\u1ebfm ph\u1ea7n l\u1edbn trong t\u1ed5ng k\u00edch th\u01b0\u1edbc g\u00f3i. (*Xem h\u00ecnh tr\u00ean)
\nV\u1edbi c\u00e1c th\u00e0nh vi\u00ean kh\u00f4ng g\u1eedi ho\u1eb7c nh\u1eadn tin nh\u1eafn, ch\u1ec9 c\u00e1c g\u00f3i (92 byte) \u0111\u1ec3 tham gia v\u00e0 r\u1eddi m\u1ea1ng \u0111\u01b0\u1ee3c trao \u0111\u1ed5i.
\nN\u1ebfu t\u00ednh to\u00e1n nhi\u1ec1u v\u00e0 trao \u0111\u1ed5i c\u00e1c g\u00f3i tham gia v\u00e0 r\u1eddi m\u1ea1ng 10 l\u1ea7n\/gi\u1edd v\u1edbi 90 th\u00e0nh vi\u00ean.
\nL\u1ecbch tr\u00ecnh h\u00e0ng ng\u00e0y g\u1ea7n \u0111\u00fang nh\u01b0 sau.<\/p>\n

92byte \u00d7 90 ng\u01b0\u1eddi \u00d7 10 l\u1ea7n \u00d7 7 (th\u1eddi gian s\u1eed d\u1ee5ng 1 ng\u00e0y) = 579.600byte
\n\u21d2 Kho\u1ea3ng 580KB t\u00ednh b\u1eb1ng KB<\/i><\/p>\n

N\u1ebfu c\u00f3 100 ng\u01b0\u1eddi d\u00f9ng, l\u01b0\u1ee3ng d\u1eef li\u1ec7u g\u1ea7n \u0111\u00fang \u0111\u01b0\u1ee3c g\u1eedi v\u00e0 nh\u1eadn b\u1edfi m\u1ed9t PC nh\u01b0 sau.<\/p>\n

610KB (th\u00e0nh vi\u00ean trao \u0111\u1ed5i tin nh\u1eafn) + 580KB (ch\u1ec9 tham gia\/r\u1eddi m\u1ea1ng) = 1.190KB<\/i><\/p>\n

N\u1ebfu b\u1ea1n xem m\u1ed9t trang web 4 ho\u1eb7c 5 l\u1ea7n th\u00ec l\u01b0\u1ee3ng d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c truy\u1ec1n \u0111i s\u1ebd h\u01a1n 1.190KB.<\/b><\/p>\n

nh\u1eadn x\u00e9t:<\/p>\n

    \n
  • Vui l\u00f2ng ch\u1ec9 s\u1eed d\u1ee5ng \u0111i\u1ec1u n\u00e0y l\u00e0m h\u01b0\u1edbng d\u1eabn v\u00ec n\u00f3 s\u1ebd thay \u0111\u1ed5i t\u00f9y theo m\u00f4i tr\u01b0\u1eddng.<\/li>\n
  • H\u00e3y th\u1eed s\u1eed d\u1ee5ng "ch\u1ee9c n\u0103ng theo d\u00f5i g\u00f3i" \u0111\u1ec3 ki\u1ec3m tra t\u1ed5ng k\u00edch th\u01b0\u1edbc c\u1ee7a c\u00e1c g\u00f3i \u0111\u00e3 g\u1eedi v\u00e0 nh\u1eadn.
    \nNgo\u00e0i ra, h\u00e3y th\u1eed l\u01b0u m\u1ed9t trang web t\u00f9y \u00fd c\u00f3 t\u00ean tr\u00ean tr\u00ecnh duy\u1ec7t c\u1ee7a b\u1ea1n v\u00e0 so s\u00e1nh k\u00edch th\u01b0\u1edbc c\u1ee7a n\u00f3.<\/li>\n
  • L\u1ea7n n\u00e0y, ch\u00fang t\u00f4i kh\u00f4ng t\u00ednh \u0111\u1ebfn vi\u1ec7c truy\u1ec1n t\u1ec7p b\u1eb1ng TCP trong t\u00ednh to\u00e1n c\u1ee7a m\u00ecnh, nh\u01b0ng vi\u1ec7c t\u1ea3i xu\u1ed1ng c\u00e1c t\u1ec7p l\u1edbn ho\u1eb7c xem video b\u1eb1ng tr\u00ecnh duy\u1ec7t web c\u00f3 th\u1ec3 s\u1ebd t\u1ea1o ra nhi\u1ec1u l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp m\u1ea1ng h\u01a1n.\n<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

    V\u1ec1 ch\u1ee9c n\u0103ng theo d\u00f5i g\u00f3i B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng n\u00f3 b\u1eb1ng c\u00e1ch ch\u1ecdn ``Tr\u1ee3 gi\u00fap'' \u21d2 ``TOOL'' \u21d2 ``Theo d\u00f5i g\u00f3i.'' S\u1eed d\u1ee5ng ch\u1ee9c n\u0103ng n\u00e0y \u0111\u1ec3 g\u1eedi v\u00e0 nh\u1eadn d\u1eef li\u1ec7u [\u2026]<\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":""},"categories":[18],"tags":[],"_links":{"self":[{"href":"https:\/\/chat-messenger.com\/vi\/wp-json\/wp\/v2\/posts\/897"}],"collection":[{"href":"https:\/\/chat-messenger.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/chat-messenger.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/chat-messenger.com\/vi\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/chat-messenger.com\/vi\/wp-json\/wp\/v2\/comments?post=897"}],"version-history":[{"count":7,"href":"https:\/\/chat-messenger.com\/vi\/wp-json\/wp\/v2\/posts\/897\/revisions"}],"predecessor-version":[{"id":4459,"href":"https:\/\/chat-messenger.com\/vi\/wp-json\/wp\/v2\/posts\/897\/revisions\/4459"}],"wp:attachment":[{"href":"https:\/\/chat-messenger.com\/vi\/wp-json\/wp\/v2\/media?parent=897"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/chat-messenger.com\/vi\/wp-json\/wp\/v2\/categories?post=897"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/chat-messenger.com\/vi\/wp-json\/wp\/v2\/tags?post=897"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}