{"id":38352,"date":"2019-10-31T22:23:11","date_gmt":"2019-10-31T19:23:11","guid":{"rendered":"https:\/\/prohoster.info\/blog\/ethernet-ftp-telnet-http-bluetooth-osnovy-analiza-trafika-reshenie-zadach-na-seti-s-r0ot-mi-chast-1\/"},"modified":"2019-10-31T22:23:11","modified_gmt":"2019-10-31T19:23:11","slug":"ethernet-ftp-telnet-http-bluetooth-osnovy-analiza-trafika-reshenie-zadach-na-seti-s-r0ot-mi-chast-1","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/administrirovanie\/ethernet-ftp-telnet-http-bluetooth-osnovy-analiza-trafika-reshenie-zadach-na-seti-s-r0ot-mi-chast-1","title":{"rendered":"Ethernet, FTP, Telnet, HTTP, Bluetooth \u2014 z\u00e1klady anal\u00fdzy provozu. \u0158e\u0161en\u00ed \u00faloh na s\u00edti s r0\u043e\u0442-\u043ci. \u010c\u00e1st 1","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" alt=\"Ethernet, FTP, Telnet, HTTP, Bluetooth \u2014 z\u00e1klady anal\u00fdzy provozu. \u0158e\u0161en\u00ed \u00faloh na s\u00edti s r0\u043e\u0442-\u043ci. \u010c\u00e1st 1\" src=\"\/wp-content\/uploads\/2019\/09\/be6f38e85bd8800c338cbe0059e2546a.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nV tomto \u010dl\u00e1nku najdete prvn\u00edch 5 \u00fakol\u016f, kde se sezn\u00e1m\u00edme se z\u00e1klady anal\u00fdzy provozu r\u016fzn\u00fdch s\u00ed\u0165ov\u00fdch protokol\u016f.<\/p>\n<p><b class=\"spoiler_title\">Organiza\u010dn\u00ed informace<\/b>Speci\u00e1ln\u011b pro ty, kte\u0159\u00ed se cht\u011bj\u00ed dozv\u011bd\u011bt n\u011bco nov\u00e9ho a rozv\u00edjet se v jak\u00e9koli oblasti informa\u010dn\u00ed a po\u010d\u00edta\u010dov\u00e9 bezpe\u010dnosti, budu ps\u00e1t a vypr\u00e1v\u011bt o n\u00e1sleduj\u00edc\u00edch kategori\u00edch:<\/p>\n<ul>\n<li>PWN;<\/li>\n<li>kryptografie (Crypto);<\/li>\n<li>s\u00ed\u0165ov\u00e9 technologie (Network);<\/li>\n<li>reverzn\u00ed in\u017een\u00fdrstv\u00ed (Reverse Engineering);<\/li>\n<li>steganografie (Stegano);<\/li>\n<li>vyhled\u00e1v\u00e1n\u00ed a exploatace WEB zranitelnost\u00ed.<\/li>\n<\/ul>\n<p>\nKrom\u011b toho se pod\u011bl\u00edm o sv\u00e9 zku\u0161enosti v po\u010d\u00edta\u010dov\u00e9 kriminalistice, anal\u00fdze malwaru a firmwaru, \u00fatoc\u00edch na bezdr\u00e1tov\u00e9 s\u00edt\u011b a m\u00edstn\u00ed v\u00fdpo\u010detn\u00ed s\u00edt\u011b, prov\u00e1d\u011bn\u00ed penetra\u010dn\u00edch test\u016f a psan\u00ed exploit\u016f.<br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><br \/>\nAbychom v\u00e1s mohli informovat o nov\u00fdch \u010dl\u00e1nc\u00edch, softwaru a dal\u0161\u00edch informac\u00edch, vytvo\u0159il jsem <noindex><a rel=\"nofollow\" href=\"https:\/\/t.me\/RalfHackerChannel\">kan\u00e1l na Telegramu<\/a><\/noindex> a <noindex><a rel=\"nofollow\" href=\"https:\/\/t.me\/RalfHackerPublicChat\">skupinu pro diskuzi jak\u00fdchkoli ot\u00e1zek<\/a><\/noindex> v oblasti IKT. Tak\u00e9 va\u0161e osobn\u00ed \u017e\u00e1dosti, ot\u00e1zky, n\u00e1vrhy a doporu\u010den\u00ed <noindex><a rel=\"nofollow\" href=\"https:\/\/t.me\/hackerralf8\">projedn\u00e1m osobn\u011b a odpov\u00edm v\u0161em<\/a><\/noindex>.<\/p>\n<p>Ve\u0161ker\u00e9 informace jsou poskytov\u00e1ny v\u00fdhradn\u011b pro vzd\u011bl\u00e1vac\u00ed \u00fa\u010dely. Autor tohoto dokumentu nenese \u017e\u00e1dnou odpov\u011bdnost za jakoukoli \u0161kodu zp\u016fsobenou komukoli v d\u016fsledku pou\u017eit\u00ed znalost\u00ed a metod z\u00edskan\u00fdch studi\u00ed tohoto dokumentu.<\/p>\n<h2>FTP autentizace<\/h2>\n<p>\n<img decoding=\"async\" alt=\"Ethernet, FTP, Telnet, HTTP, Bluetooth \u2014 z\u00e1klady anal\u00fdzy provozu. \u0158e\u0161en\u00ed \u00faloh na s\u00edti s r0\u043e\u0442-\u043ci. \u010c\u00e1st 1\" src=\"\/wp-content\/uploads\/2019\/09\/9cdef3c1e7d602c7c2ff64b582b1f5a7.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nV tomto \u00fakolu se n\u00e1m nab\u00edz\u00ed naj\u00edt autentiza\u010dn\u00ed \u00fadaje z dumpu provozu. P\u0159i tom se uv\u00e1d\u00ed, \u017ee se jedn\u00e1 o FTP. Otev\u0159eme soubor PCAP ve Wiresharku.<\/p>\n<p><img decoding=\"async\" alt=\"Ethernet, FTP, Telnet, HTTP, Bluetooth \u2014 z\u00e1klady anal\u00fdzy provozu. \u0158e\u0161en\u00ed \u00faloh na s\u00edti s r0\u043e\u0442-\u043ci. \u010c\u00e1st 1\" src=\"\/wp-content\/uploads\/2019\/09\/6b10b33d2a1799a9a73b9fad09bc2c78.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nNejprve filtrujeme data, proto\u017ee pot\u0159ebujeme pouze protokol FTP.<\/p>\n<p><img decoding=\"async\" alt=\"Ethernet, FTP, Telnet, HTTP, Bluetooth \u2014 z\u00e1klady anal\u00fdzy provozu. \u0158e\u0161en\u00ed \u00faloh na s\u00edti s r0\u043e\u0442-\u043ci. \u010c\u00e1st 1\" src=\"\/wp-content\/uploads\/2019\/09\/a07a9c5c1302071167bae4939fd77f0a.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nNyn\u00ed zobraz\u00edme provoz podle tok\u016f. K tomu po kliknut\u00ed prav\u00fdm tla\u010d\u00edtkem my\u0161i vybereme Follow TCP Stream.<\/p>\n<p><img decoding=\"async\" alt=\"Ethernet, FTP, Telnet, HTTP, Bluetooth \u2014 z\u00e1klady anal\u00fdzy provozu. \u0158e\u0161en\u00ed \u00faloh na s\u00edti s r0\u043e\u0442-\u043ci. \u010c\u00e1st 1\" src=\"\/wp-content\/uploads\/2019\/09\/aa122540b6a4d66d0d099e456ce11e3d.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nVid\u00edme p\u0159ihla\u0161ovac\u00ed jm\u00e9no a heslo u\u017eivatele.<\/p>\n<p><img decoding=\"async\" alt=\"Ethernet, FTP, Telnet, HTTP, Bluetooth \u2014 z\u00e1klady anal\u00fdzy provozu. \u0158e\u0161en\u00ed \u00faloh na s\u00edti s r0\u043e\u0442-\u043ci. \u010c\u00e1st 1\" src=\"\/wp-content\/uploads\/2019\/09\/719e18e1845197faf338aa1067dfe932.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<\/p>\n<h2>Telnet autentizace<\/h2>\n<p>\n<img decoding=\"async\" alt=\"Ethernet, FTP, Telnet, HTTP, Bluetooth \u2014 z\u00e1klady anal\u00fdzy provozu. \u0158e\u0161en\u00ed \u00faloh na s\u00edti s r0\u043e\u0442-\u043ci. \u010c\u00e1st 1\" src=\"\/wp-content\/uploads\/2019\/09\/a43ab70c86a430bbd6f07ddb9c6b6256.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n\u00dakol je podobn\u00fd p\u0159edchoz\u00edmu.<\/p>\n<p><img decoding=\"async\" alt=\"Ethernet, FTP, Telnet, HTTP, Bluetooth \u2014 z\u00e1klady anal\u00fdzy provozu. \u0158e\u0161en\u00ed \u00faloh na s\u00edti s r0\u043e\u0442-\u043ci. \u010c\u00e1st 1\" src=\"\/wp-content\/uploads\/2019\/09\/7f7b57f8fde3622b56226830b1b1073d.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nZ\u00edsk\u00e1me p\u0159ihla\u0161ovac\u00ed jm\u00e9no a heslo.<\/p>\n<p><img decoding=\"async\" alt=\"Ethernet, FTP, Telnet, HTTP, Bluetooth \u2014 z\u00e1klady anal\u00fdzy provozu. \u0158e\u0161en\u00ed \u00faloh na s\u00edti s r0\u043e\u0442-\u043ci. \u010c\u00e1st 1\" src=\"\/wp-content\/uploads\/2019\/09\/aa2ede6c0902099afb9490f7a8e7a27a.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<\/p>\n<h2>Ethernetov\u00fd r\u00e1mec<\/h2>\n<p>\n<img decoding=\"async\" alt=\"Ethernet, FTP, Telnet, HTTP, Bluetooth \u2014 z\u00e1klady anal\u00fdzy provozu. \u0158e\u0161en\u00ed \u00faloh na s\u00edti s r0\u043e\u0442-\u043ci. \u010c\u00e1st 1\" src=\"\/wp-content\/uploads\/2019\/09\/ede3537ffecc980c627e73bf9495a1e9.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nDost\u00e1v\u00e1me Hex reprezentaci Ethernetov\u00e9ho protokolu a jsme po\u017e\u00e1d\u00e1ni o nalezen\u00ed citliv\u00fdch \u00fadaj\u016f. Probl\u00e9m je v tom, \u017ee protokoly jsou zapouzd\u0159eny jeden do druh\u00e9ho. To znamen\u00e1, \u017ee v datov\u00e9 oblasti ethernetov\u00e9ho protokolu je protokol IP, v datov\u00e9 oblasti kter\u00e9ho je protokol TCP, ve kter\u00e9m je HTTP, kde jsou um\u00edst\u011bna data. To znamen\u00e1, \u017ee mus\u00edme pouze dek\u00f3dovat znaky z hexov\u00e9ho form\u00e1tu.<\/p>\n<p><img decoding=\"async\" alt=\"Ethernet, FTP, Telnet, HTTP, Bluetooth \u2014 z\u00e1klady anal\u00fdzy provozu. \u0158e\u0161en\u00ed \u00faloh na s\u00edti s r0\u043e\u0442-\u043ci. \u010c\u00e1st 1\" src=\"\/wp-content\/uploads\/2019\/09\/ee1537f3fc0ea0aac590702a6ce02094.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nV hlavi\u010dce HTTP jsou \u00fadaje Basic autentizace. Dek\u00f3dujeme je z Base64.<\/p>\n<p><img decoding=\"async\" alt=\"Ethernet, FTP, Telnet, HTTP, Bluetooth \u2014 z\u00e1klady anal\u00fdzy provozu. \u0158e\u0161en\u00ed \u00faloh na s\u00edti s r0\u043e\u0442-\u043ci. \u010c\u00e1st 1\" src=\"\/wp-content\/uploads\/2019\/09\/5771ce2031867a94ddccd02b0a7dcef2.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<\/p>\n<h2>Twitter autentizace<\/h2>\n<p>\n<img decoding=\"async\" alt=\"Ethernet, FTP, Telnet, HTTP, Bluetooth \u2014 z\u00e1klady anal\u00fdzy provozu. \u0158e\u0161en\u00ed \u00faloh na s\u00edti s r0\u043e\u0442-\u043ci. \u010c\u00e1st 1\" src=\"\/wp-content\/uploads\/2019\/09\/81d8a54362f496ba5a86e55fe2c3f908.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nJsme po\u017e\u00e1d\u00e1ni, abychom na\u0161li heslo pro p\u0159ihl\u00e1\u0161en\u00ed na Twitter z dumpu provozu.<\/p>\n<p><img decoding=\"async\" alt=\"Ethernet, FTP, Telnet, HTTP, Bluetooth \u2014 z\u00e1klady anal\u00fdzy provozu. \u0158e\u0161en\u00ed \u00faloh na s\u00edti s r0\u043e\u0442-\u043ci. \u010c\u00e1st 1\" src=\"\/wp-content\/uploads\/2019\/09\/aa3687ae84c3d834fa75abbb95008a2d.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nExistuje pouze jeden bal\u00ed\u010dek. Otev\u0159eme ho dvojit\u00fdm kliknut\u00edm.<\/p>\n<p><img decoding=\"async\" alt=\"Ethernet, FTP, Telnet, HTTP, Bluetooth \u2014 z\u00e1klady anal\u00fdzy provozu. \u0158e\u0161en\u00ed \u00faloh na s\u00edti s r0\u043e\u0442-\u043ci. \u010c\u00e1st 1\" src=\"\/wp-content\/uploads\/2019\/09\/a58aa247595d18646ab63a9ac9955c14.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nA znovu vid\u00edme \u00fadaje Basic autentizace.<\/p>\n<p><img decoding=\"async\" alt=\"Ethernet, FTP, Telnet, HTTP, Bluetooth \u2014 z\u00e1klady anal\u00fdzy provozu. \u0158e\u0161en\u00ed \u00faloh na s\u00edti s r0\u043e\u0442-\u043ci. \u010c\u00e1st 1\" src=\"\/wp-content\/uploads\/2019\/09\/75c1c3476fbd55d1a33f497654584098.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nNajdeme p\u0159ihla\u0161ovac\u00ed jm\u00e9no a heslo.<\/p>\n<p><img decoding=\"async\" alt=\"Ethernet, FTP, Telnet, HTTP, Bluetooth \u2014 z\u00e1klady anal\u00fdzy provozu. \u0158e\u0161en\u00ed \u00faloh na s\u00edti s r0\u043e\u0442-\u043ci. \u010c\u00e1st 1\" src=\"\/wp-content\/uploads\/2019\/09\/f928c0cf65aef8ff31f80d98dd2ec93f.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<\/p>\n<h2>Nezn\u00e1m\u00fd soubor Bluetooth<\/h2>\n<p>\n<img decoding=\"async\" alt=\"Ethernet, FTP, Telnet, HTTP, Bluetooth \u2014 z\u00e1klady anal\u00fdzy provozu. \u0158e\u0161en\u00ed \u00faloh na s\u00edti s r0\u043e\u0442-\u043ci. \u010c\u00e1st 1\" src=\"\/wp-content\/uploads\/2019\/09\/4e3cbdc08999a467a2707f64919c540c.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nVypr\u00e1v\u00ed p\u0159\u00edb\u011bh a \u017e\u00e1daj\u00ed n\u00e1s, abychom na\u0161li n\u00e1zev a MAC adresu telefonu. Otev\u0159eme soubor ve Wiresharku. Najdeme \u0159\u00e1dek Remote Name Request Complete.<\/p>\n<p><img decoding=\"async\" alt=\"Ethernet, FTP, Telnet, HTTP, Bluetooth \u2014 z\u00e1klady anal\u00fdzy provozu. \u0158e\u0161en\u00ed \u00faloh na s\u00edti s r0\u043e\u0442-\u043ci. \u010c\u00e1st 1\" src=\"\/wp-content\/uploads\/2019\/09\/acd0c07af8de63d878b4130b94a2d13b.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nPod\u00edv\u00e1me se na pole tohoto bal\u00ed\u010dku, kde jsou zobrazeny MAC adresa a n\u00e1zev telefonu.<\/p>\n<p><img decoding=\"async\" alt=\"Ethernet, FTP, Telnet, HTTP, Bluetooth \u2014 z\u00e1klady anal\u00fdzy provozu. \u0158e\u0161en\u00ed \u00faloh na s\u00edti s r0\u043e\u0442-\u043ci. \u010c\u00e1st 1\" src=\"\/wp-content\/uploads\/2019\/09\/fd8581b694763c64dedf8ebb9ab173bd.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nVezmeme hash a odevzd\u00e1me. <\/p>\n<p><img decoding=\"async\" alt=\"Ethernet, FTP, Telnet, HTTP, Bluetooth \u2014 z\u00e1klady anal\u00fdzy provozu. \u0158e\u0161en\u00ed \u00faloh na s\u00edti s r0\u043e\u0442-\u043ci. \u010c\u00e1st 1\" src=\"\/wp-content\/uploads\/2019\/09\/6bcbc271f55f06e28237d334a55205a4.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<img decoding=\"async\" alt=\"Ethernet, FTP, Telnet, HTTP, Bluetooth \u2014 z\u00e1klady anal\u00fdzy provozu. \u0158e\u0161en\u00ed \u00faloh na s\u00edti s r0\u043e\u0442-\u043ci. \u010c\u00e1st 1\" src=\"\/wp-content\/uploads\/2019\/09\/1d30bc617b6bd9f4e1ae633b40d938c6.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nT\u00edmto \u00fakolem kon\u010d\u00edme anal\u00fdzu jednodu\u0161\u0161\u00edch \u00fakol\u016f na t\u00e9ma s\u00edt\u00ed (v\u00edce pro za\u010d\u00e1te\u010dn\u00edky). D\u00e1le bude v\u00edce a slo\u017eit\u011bj\u0161\u00ed... M\u016f\u017eete se k n\u00e1m p\u0159idat v <noindex><a rel=\"nofollow\" href=\"https:\/\/t.me\/RalfHackerChannel\">Telegram<\/a><\/noindex>. Tam m\u016f\u017eete navrhovat sv\u00e1 vlastn\u00ed t\u00e9mata a \u00fa\u010dastnit se hlasov\u00e1n\u00ed o t\u00e9matech pro dal\u0161\u00ed \u010dl\u00e1nky.<br \/>\n<br \/>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/468117\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412 \u0434\u0430\u043d\u043d\u043e\u0439 \u0441\u0442\u0430\u0442\u044c\u0435 5 \u043f\u0435\u0440\u0432\u044b\u0445 \u0437\u0430\u0434\u0430\u043d\u0438\u0439, \u0443\u0437\u043d\u0430\u0435\u043c \u043e\u0441\u043d\u043e\u0432\u044b \u0430\u043d\u0430\u043b\u0438\u0437\u0430 \u0442\u0440\u0430\u0444\u0438\u043a\u0430 \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u0445 \u0441\u0435\u0442\u0435\u0432\u044b\u0445 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u043e\u0432. \u041e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u043e\u043d\u043d\u0430\u044f \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f\u0421\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u0434\u043b\u044f \u0442\u0435\u0445, \u043a\u0442\u043e \u0445\u043e\u0447\u0435\u0442 \u0443\u0437\u043d\u0430\u0432\u0430\u0442\u044c \u0447\u0442\u043e-\u0442\u043e \u043d\u043e\u0432\u043e\u0435 \u0438 \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0442\u044c\u0441\u044f \u0432 \u043b\u044e\u0431\u043e\u0439 \u0438\u0437 \u0441\u0444\u0435\u0440 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u0439 \u0438 \u043a\u043e\u043c\u043f\u044c\u044e\u0442\u0435\u0440\u043d\u043e\u0439 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438, \u044f \u0431\u0443\u0434\u0443 \u043f\u0438\u0441\u0430\u0442\u044c \u0438 \u0440\u0430\u0441\u0441\u043a\u0430\u0437\u044b\u0432\u0430\u0442\u044c \u043e \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0445 \u043a\u0430\u0442\u0435\u0433\u043e\u0440\u0438\u044f\u0445: PWN; \u043a\u0440\u0438\u043f\u0442\u043e\u0433\u0440\u0430\u0444\u0438\u044f (Crypto); c\u0435\u0442\u0435\u0432\u044b\u0435 \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u0438 (Network); \u0440\u0435\u0432\u0435\u0440\u0441 (Reverse Engineering); \u0441\u0442\u0435\u0433\u0430\u043d\u043e\u0433\u0440\u0430\u0444\u0438\u044f (Stegano); \u043f\u043e\u0438\u0441\u043a \u0438 \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u044f WEB-\u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439. [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":28788,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-38352","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/cs\/blog\/administrirovanie\/ethernet-ftp-telnet-http-bluetooth-osnovy-analiza-trafika-reshenie-zadach-na-seti-s-r0ot-mi-chast-1\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.3\" \/>\n\t\t<meta property=\"og:locale\" content=\"cs_CZ\" \/>\n\t\t<meta property=\"og:site_name\" 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