{"id":38707,"date":"2019-10-31T22:25:26","date_gmt":"2019-10-31T19:25:26","guid":{"rendered":"https:\/\/prohoster.info\/blog\/varianty-ispolzovaniya-reshenij-dlya-vidimosti-seti-network-visibility\/"},"modified":"2019-10-31T22:25:26","modified_gmt":"2019-10-31T19:25:26","slug":"varianty-ispolzovaniya-reshenij-dlya-vidimosti-seti-network-visibility","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/administrirovanie\/varianty-ispolzovaniya-reshenij-dlya-vidimosti-seti-network-visibility","title":{"rendered":"Mo\u017enosti pou\u017eit\u00ed \u0159e\u0161en\u00ed pro viditelnost s\u00edt\u011b (network visibility)","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<h3>Mo\u017enosti pou\u017eit\u00ed \u0159e\u0161en\u00ed pro viditelnost s\u00edt\u011b<\/h3>\n<p><\/p>\n<h4>Co je to viditelnost s\u00edt\u011b?<\/h4>\n<p>\nViditelnost je podle Websterova slovn\u00edku definov\u00e1na jako \u201eschopnost b\u00fdt snadno vid\u011bn\u201c nebo \u201e\u00farove\u0148 jasnosti\u201c. Pod viditelnost\u00ed s\u00edt\u011b nebo aplikace rozum\u00edme odstran\u011bn\u00ed slep\u00fdch m\u00edst, kter\u00e1 skr\u00fdvaj\u00ed schopnost snadno vid\u011bt (nebo kvantitativn\u011b ur\u010dit), co se d\u011bje v s\u00edti a\/nebo aplikac\u00edch v s\u00edti. Tato viditelnost umo\u017e\u0148uje IT t\u00fdm\u016fm rychle izolovat bezpe\u010dnostn\u00ed hrozby a \u0159e\u0161it probl\u00e9my s v\u00fdkonem, co\u017e nakonec zaji\u0161\u0165uje nejlep\u0161\u00ed interakci s koncov\u00fdm u\u017eivatelem.<\/p>\n<p>Dal\u0161\u00ed pochopen\u00ed je to, co umo\u017e\u0148uje IT t\u00fdm\u016fm \u0159\u00eddit a optimalizovat s\u00ed\u0165 spolu s aplikacemi a IT slu\u017ebami. Proto je viditelnost s\u00edt\u011b, aplikac\u00ed a bezpe\u010dnosti naprosto nezbytn\u00e1 pro jakoukoli IT organizaci. <\/p>\n<p>Nejjednodu\u0161\u0161\u00ed zp\u016fsob, jak dos\u00e1hnout viditelnosti s\u00edt\u011b, je implementovat architekturu viditelnosti, kter\u00e1 p\u0159edstavuje komplexn\u00ed infrastrukturu end-to-end, zaji\u0161\u0165uj\u00edc\u00ed viditelnost fyzick\u00e9 a virtu\u00e1ln\u00ed s\u00edt\u011b, aplikac\u00ed a bezpe\u010dnosti.<\/p>\n<h4>Zalo\u017een\u00ed z\u00e1klad\u016f s\u00ed\u0165ov\u00e9 viditelnosti<\/h4>\n<p>\nJakmile je architektura viditelnosti vytvo\u0159ena, jsou k dispozici r\u016fzn\u00e9 mo\u017enosti pou\u017eit\u00ed. Jak je uvedeno n\u00ed\u017ee, architektura viditelnosti p\u0159edstavuje t\u0159i hlavn\u00ed \u00farovn\u011b viditelnosti: \u00farove\u0148 p\u0159\u00edstupu, \u00farove\u0148 \u0159\u00edzen\u00ed a \u00farove\u0148 monitorov\u00e1n\u00ed.<\/p>\n<p><img decoding=\"async\" alt=\"Mo\u017enosti pou\u017eit\u00ed \u0159e\u0161en\u00ed pro viditelnost s\u00edt\u011b (network visibility)\" src=\"\/wp-content\/uploads\/2019\/10\/688f7f241258a3654ffefcd01980c8c0.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><br \/>\nPomoc\u00ed vyzna\u010den\u00fdch prvk\u016f mohou IT specialist\u00e9 \u0159e\u0161it r\u016fzn\u00e9 probl\u00e9my s\u00edt\u011b a aplikac\u00ed. Existuj\u00ed dv\u011b kategorie mo\u017enost\u00ed pou\u017eit\u00ed:<\/p>\n<ul>\n<li>Hlavn\u00ed \u0159e\u0161en\u00ed viditelnosti<\/li>\n<li>\u00dapln\u00e1 viditelnost s\u00edt\u011b<\/li>\n<\/ul>\n<p>\nHlavn\u00ed \u0159e\u0161en\u00ed viditelnosti se zam\u011b\u0159uj\u00ed na bezpe\u010dnost s\u00edt\u011b, \u00fasporu n\u00e1klad\u016f a odstra\u0148ov\u00e1n\u00ed probl\u00e9m\u016f. To jsou t\u0159i krit\u00e9ria, kter\u00e1 ovliv\u0148uj\u00ed IT ka\u017ed\u00e9ho m\u011bs\u00edce, ne-li ka\u017ed\u00fd den. \u00dapln\u00e1 viditelnost s\u00edt\u011b m\u00e1 za c\u00edl poskytnout hlub\u0161\u00ed porozum\u011bn\u00ed oblastem slep\u00fdch m\u00edst, v\u00fdkonu a dodr\u017eov\u00e1n\u00ed p\u0159edpis\u016f.<\/p>\n<h4>Co lze skute\u010dn\u011b d\u011blat s viditelnost\u00ed s\u00edt\u011b?<\/h4>\n<p>\nExistuje \u0161est r\u016fzn\u00fdch mo\u017enost\u00ed pou\u017eit\u00ed viditelnosti s\u00edt\u011b, kter\u00e9 mohou jasn\u011b uk\u00e1zat jej\u00ed hodnotu. To jsou:<\/p>\n<p> \u2014 Zlep\u0161en\u00ed bezpe\u010dnosti s\u00edt\u011b<br \/>\n \u2014 Poskytov\u00e1n\u00ed mo\u017enost\u00ed zadr\u017eov\u00e1n\u00ed a sni\u017eov\u00e1n\u00ed n\u00e1klad\u016f<br \/>\n \u2014 Zrychlen\u00ed \u0159e\u0161en\u00ed probl\u00e9m\u016f a zv\u00fd\u0161en\u00ed spolehlivosti s\u00edt\u011b<br \/>\n \u2014 Odstran\u011bn\u00ed slep\u00fdch z\u00f3n s\u00edt\u011b<br \/>\n \u2014 Optimalizace v\u00fdkonu s\u00edt\u011b a aplikac\u00ed<br \/>\n \u2014 Pos\u00edlen\u00ed dodr\u017eov\u00e1n\u00ed p\u0159edpis\u016f<\/p>\n<p>N\u00ed\u017ee jsou uvedeny n\u011bkter\u00e9 konkr\u00e9tn\u00ed p\u0159\u00edklady pou\u017eit\u00ed.<\/p>\n<p><b>P\u0159\u00edklad \u010d. 1 \u2013 filtrov\u00e1n\u00ed dat pro zabezpe\u010dovac\u00ed \u0159e\u0161en\u00ed, kter\u00e1 se nach\u00e1zej\u00ed v s\u00edti (in-line), zvy\u0161uje efektivitu t\u011bchto \u0159e\u0161en\u00ed.<\/b><\/p>\n<p>C\u00edlem t\u00e9to mo\u017enosti je pou\u017eit\u00ed s\u00ed\u0165ov\u00e9ho bal\u00ed\u010dkov\u00e9ho brokera (NPB \u2013 Network Packet Broker) k filtraci dat s n\u00edzk\u00fdm rizikem (nap\u0159. video a hlas), aby byla vylou\u010dena z kontroly zabezpe\u010den\u00edm (syst\u00e9m prevence naru\u0161en\u00ed (IPS), prevence ztr\u00e1ty dat (DLP), firewall pro webov\u00e9 aplikace (WAF) atd.). Tento \"nezaj\u00edmav\u00fd\" provoz m\u016f\u017ee b\u00fdt identifikov\u00e1n a vr\u00e1cen na obchvatov\u00fd p\u0159ep\u00edna\u010d (by-pass switch) a posl\u00e1n d\u00e1l do s\u00edt\u011b. V\u00fdhodou tohoto \u0159e\u0161en\u00ed je, \u017ee WAF nebo IPS nemus\u00ed pl\u00fdtvat procesorov\u00fdmi (CPU) prost\u0159edky na anal\u00fdzu nepot\u0159ebn\u00fdch dat. Pokud v\u00e1\u0161 s\u00ed\u0165ov\u00fd provoz obsahuje v\u00fdznamn\u00fd objem t\u011bchto dat, m\u016f\u017eete tuto funkci implementovat a sn\u00ed\u017eit z\u00e1t\u011b\u017e na sv\u00fdch zabezpe\u010dovac\u00edch n\u00e1stroj\u00edch.<\/p>\n<p><img decoding=\"async\" alt=\"Mo\u017enosti pou\u017eit\u00ed \u0159e\u0161en\u00ed pro viditelnost s\u00edt\u011b (network visibility)\" src=\"\/wp-content\/uploads\/2019\/10\/6679183b3a96f85ed70301ed431a05fe.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nU spole\u010dnost\u00ed do\u0161lo k p\u0159\u00edpad\u016fm, kdy a\u017e 35% s\u00ed\u0165ov\u00e9ho provozu s n\u00edzk\u00fdm rizikem bylo vylou\u010deno z kontroly IPS. To automaticky zvy\u0161uje efektivn\u00ed \u0161\u00ed\u0159ku p\u00e1sma IPS o 35% a znamen\u00e1 to, \u017ee m\u016f\u017eete odlo\u017eit n\u00e1kup dal\u0161\u00edch IPS nebo upgrade. V\u0161ichni v\u00edme, \u017ee s\u00ed\u0165ov\u00fd provoz roste, tak\u017ee v ur\u010dit\u00e9m okam\u017eiku budete pot\u0159ebovat v\u00fdkonn\u011bj\u0161\u00ed IPS. Je to skute\u010dn\u011b ot\u00e1zka \u2013 chcete minimalizovat n\u00e1klady, nebo ne.<\/p>\n<p><b>P\u0159\u00edklad \u010d. 2 \u2013 vyva\u017eov\u00e1n\u00ed z\u00e1t\u011b\u017ee prodlu\u017euje \u017eivotnost za\u0159\u00edzen\u00ed 1-10 Gbit\/s v s\u00edti 40 Gbit\/s<\/b><\/p>\n<p>Druh\u00fd p\u0159\u00edklad pou\u017eit\u00ed zahrnuje sn\u00ed\u017een\u00ed n\u00e1klad\u016f na vlastnictv\u00ed s\u00ed\u0165ov\u00e9ho vybaven\u00ed. Toho je dosa\u017eeno pomoc\u00ed paketov\u00fdch broker\u016f (NPB) pro vyva\u017eov\u00e1n\u00ed provozu na bezpe\u010dnostn\u00ed a monitorovac\u00ed n\u00e1stroje. Jak m\u016f\u017ee vyva\u017eov\u00e1n\u00ed zat\u00ed\u017een\u00ed pomoci v\u011bt\u0161in\u011b podnik\u016f? Nejprve, zvy\u0161ov\u00e1n\u00ed objemu s\u00ed\u0165ov\u00e9ho provozu je velmi b\u011b\u017en\u00fdm jevem. Ale co monitoring vlivu r\u016fstu \u0161\u00ed\u0159ky p\u00e1sma? Nap\u0159\u00edklad, pokud modernizujete j\u00e1dro s\u00edt\u011b z 1 Gb\/s na 10 Gb\/s, budete pot\u0159ebovat n\u00e1stroje 10 Gb\/s pro spr\u00e1vn\u00fd monitoring. Pokud zv\u00fd\u0161\u00edte rychlost na 40 Gb\/s nebo 100 Gb\/s, pak p\u0159i takov\u00fdch rychlostech bude v\u00fdb\u011br monitorovac\u00edch n\u00e1stroj\u016f mnohem men\u0161\u00ed a n\u00e1klady na n\u011b velmi vysok\u00e9.<\/p>\n<p>Paketov\u00ed broke\u0159i poskytuj\u00ed nezbytn\u00e9 mo\u017enosti agregace a vyva\u017eov\u00e1n\u00ed zat\u00ed\u017een\u00ed. Nap\u0159\u00edklad, vyva\u017eov\u00e1n\u00ed provozu 40 Gb\/s umo\u017e\u0148uje rozd\u011blit monitorovac\u00ed provoz mezi n\u011bkolik n\u00e1stroj\u016f 10 Gb\/s. Po tomto kroku m\u016f\u017eete prodlou\u017eit \u017eivotnost za\u0159\u00edzen\u00ed 10 Gb\/s, dokud nebudou k dispozici dostate\u010dn\u00e9 prost\u0159edky na po\u0159\u00edzen\u00ed dra\u017e\u0161\u00edch n\u00e1stroj\u016f, kter\u00e9 zvl\u00e1dnou vy\u0161\u0161\u00ed p\u0159enosov\u00e9 rychlosti. <\/p>\n<p><img decoding=\"async\" alt=\"Mo\u017enosti pou\u017eit\u00ed \u0159e\u0161en\u00ed pro viditelnost s\u00edt\u011b (network visibility)\" src=\"\/wp-content\/uploads\/2019\/10\/015c648a6ce54407ca1f8373d0be8c93.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nDal\u0161\u00ed p\u0159\u00edklad \u2014 slou\u010dit n\u00e1stroje na jednom m\u00edst\u011b a p\u0159edat jim pot\u0159ebn\u00e1 data od brokeru paket\u016f. N\u011bkdy se pou\u017e\u00edvaj\u00ed samostatn\u00e1 \u0159e\u0161en\u00ed, rozpt\u00fdlen\u00e1 po s\u00edti. Data pr\u016fzkumu proveden\u00e9ho spole\u010dnost\u00ed Enterprise Management Associates (EMA) ukazuj\u00ed, \u017ee 32 % podnikov\u00fdch \u0159e\u0161en\u00ed je nedostate\u010dn\u011b zat\u00ed\u017eeno, tedy m\u00e9n\u011b ne\u017e 50 %. Centralizace n\u00e1stroj\u016f a vyva\u017eov\u00e1n\u00ed zat\u00ed\u017een\u00ed v\u00e1m umo\u017en\u00ed spojit zdroje a zv\u00fd\u0161it vyu\u017eit\u00ed, p\u0159i\u010dem\u017e pou\u017eijete m\u00e9n\u011b za\u0159\u00edzen\u00ed. \u010casto m\u016f\u017eete odlo\u017eit po\u0159\u00edzen\u00ed dal\u0161\u00edch n\u00e1stroj\u016f, dokud se m\u00edra vyu\u017eit\u00ed nestane dostate\u010dn\u011b vysokou. <\/p>\n<p><b>P\u0159\u00edklad \u010d. 3 \u2013 troubleshooting k omezen\u00ed\/odstran\u011bn\u00ed pot\u0159eby z\u00edsk\u00e1vat povolen\u00ed na zm\u011bny (Change Board permissions)<\/b><\/p>\n<p>Jakmile je vybaven\u00ed pro viditelnost (odpojova\u010de (TAPs), NPB...) nainstalov\u00e1no v s\u00edti, budete jen z\u0159\u00eddka muset prov\u00e1d\u011bt zm\u011bny v s\u00edti. To umo\u017e\u0148uje optimalizaci n\u011bkter\u00fdch proces\u016f odstra\u0148ov\u00e1n\u00ed z\u00e1vad pro zv\u00fd\u0161en\u00ed efektivity.<\/p>\n<p>Nap\u0159\u00edklad po instalaci TAP (\u201enainstalujte a zapome\u0148te\u201c) pasivn\u011b p\u0159en\u00e1\u0161\u00ed kopii ve\u0161ker\u00e9ho provozu do NPB. To m\u00e1 obrovskou v\u00fdhodu, nebo\u0165 eliminuje v\u011bt\u0161inu byrokratick\u00fdch nuanc\u00ed - z\u00edsk\u00e1n\u00ed schv\u00e1len\u00ed pro zm\u011bny v s\u00edti. Pokud tak\u00e9 nainstalujete broker paket\u016f, bude okam\u017eit\u00fd p\u0159\u00edstup prakticky ke v\u0161em dat\u016fm, kter\u00e1 jsou pot\u0159ebn\u00e1 pro \u0159e\u0161en\u00ed probl\u00e9m\u016f.<\/p>\n<p><img decoding=\"async\" alt=\"Mo\u017enosti pou\u017eit\u00ed \u0159e\u0161en\u00ed pro viditelnost s\u00edt\u011b (network visibility)\" src=\"\/wp-content\/uploads\/2019\/10\/4fa52b82cd3bc9ff52ab9c5f3be7fd41.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nPokud nen\u00ed pot\u0159eba prov\u00e1d\u011bt zm\u011bny, m\u016f\u017eete p\u0159esko\u010dit f\u00e1ze schvalov\u00e1n\u00ed zm\u011bn a p\u0159ej\u00edt p\u0159\u00edmo k lad\u011bn\u00ed. Tento nov\u00fd proces m\u00e1 velk\u00fd vliv na zkr\u00e1cen\u00ed pr\u016fm\u011brn\u00e9ho \u010dasu na obnovu (MTTR \u2013 Mean Time to Repair). V\u00fdzkumy ukazuj\u00ed, \u017ee je mo\u017en\u00e9 sn\u00ed\u017eit MTTR a\u017e o 80%.<\/p>\n<p><b>P\u0159\u00edklad \u010d. 4 \u2013 Aplika\u010dn\u00ed inteligence, pou\u017eit\u00ed filtrov\u00e1n\u00ed aplikac\u00ed a maskov\u00e1n\u00ed dat pro zv\u00fd\u0161en\u00ed efektivity zabezpe\u010den\u00ed.<\/b><\/p>\n<p>Co je to aplika\u010dn\u00ed inteligence (Application Intelligence)? Je to technologie dostupn\u00e1 u broker\u016f paket\u016f (NPB) IXIA. Je to roz\u0161\u00ed\u0159en\u00e1 funk\u010dnost, kter\u00e1 umo\u017e\u0148uje p\u0159ekro\u010dit hranice filtrov\u00e1n\u00ed paket\u016f na \u00farovni 2\u20134 (modely OSI) a pln\u011b p\u0159ej\u00edt na \u00farove\u0148 7 (aplika\u010dn\u00ed \u00farove\u0148). V\u00fdhoda spo\u010d\u00edv\u00e1 v tom, \u017ee data o chov\u00e1n\u00ed a um\u00edst\u011bn\u00ed u\u017eivatel\u016f a aplikac\u00ed mohou b\u00fdt vytv\u00e1\u0159ena a exportov\u00e1na v jak\u00e9mkoli pot\u0159ebn\u00e9m form\u00e1tu - surov\u00e9 pakety, filtrovan\u00e9 pakety nebo informace NetFlow (IxFlow). IT odd\u011blen\u00ed mohou odhalovat skryt\u00e9 s\u00ed\u0165ov\u00e9 aplikace, sni\u017eovat hrozby s\u00ed\u0165ov\u00e9 bezpe\u010dnosti a z\u00e1rove\u0148 omezovat v\u00fdpadky s\u00edt\u011b a\/nebo zvy\u0161ovat v\u00fdkon s\u00edt\u011b. V\u00fdznamn\u00e9 vlastnosti zn\u00e1m\u00fdch i nezn\u00e1m\u00fdch aplikac\u00ed mohou b\u00fdt identifikov\u00e1ny, zachyceny a p\u0159ed\u00e1ny specializovan\u00fdm n\u00e1stroj\u016fm pro monitorov\u00e1n\u00ed a zabezpe\u010den\u00ed.<\/p>\n<p><img decoding=\"async\" alt=\"Mo\u017enosti pou\u017eit\u00ed \u0159e\u0161en\u00ed pro viditelnost s\u00edt\u011b (network visibility)\" src=\"\/wp-content\/uploads\/2019\/10\/b1b59be3134f644326876ff64fc92d5e.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<\/p>\n<ul>\n<li>identifikace podez\u0159el\u00fdch\/nezn\u00e1m\u00fdch aplikac\u00ed<\/li>\n<li>odhalen\u00ed podez\u0159el\u00e9ho chov\u00e1n\u00ed na z\u00e1klad\u011b geolokace, nap\u0159\u00edklad u\u017eivatel ze Severn\u00ed Koreje se p\u0159ipojuje k va\u0161emu FTP <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/cs\/server\/dts-shicago\/\"   title=\"serveru\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2856\">serveru<\/a> a p\u0159en\u00e1\u0161\u00ed data<\/li>\n<li>de\u0161ifrov\u00e1n\u00ed <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/cs\/ssl-sertifikat\/\"   title=\"SSL\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2263\">SSL<\/a> pro kontrolu a anal\u00fdzu potenci\u00e1ln\u00edch hrozeb<\/li>\n<li>anal\u00fdza selh\u00e1n\u00ed aplikac\u00ed<\/li>\n<li>anal\u00fdza mno\u017estv\u00ed a r\u016fstu provozu pro aktivn\u00ed \u0159\u00edzen\u00ed zdroj\u016f a progn\u00f3zu roz\u0161\u00ed\u0159en\u00ed<\/li>\n<li>maskov\u00e1n\u00ed citliv\u00fdch \u00fadaj\u016f (kreditn\u00ed karty, p\u0159ihla\u0161ovac\u00ed \u00fadaje\u2026) p\u0159ed odesl\u00e1n\u00edm <\/li>\n<\/ul>\n<p>\nFunkcionalita Visibility Intelligence je dostupn\u00e1 jak pro fyzick\u00e9, tak virtu\u00e1ln\u00ed (Cloud Lens Private) bal\u00ed\u010dkov\u00e9 brokery IXIA (NPB), stejn\u011b jako v ve\u0159ejn\u00fdch \u201ecloudech\u201c \u2013 Cloud Lens Public:<\/p>\n<p><img decoding=\"async\" alt=\"Mo\u017enosti pou\u017eit\u00ed \u0159e\u0161en\u00ed pro viditelnost s\u00edt\u011b (network visibility)\" src=\"\/wp-content\/uploads\/2019\/10\/8c53733fafe1d101d0401a79a48d8538.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nKrom\u011b standardn\u00ed funk\u010dnosti NetStack, PacketStack a AppStack:<\/p>\n<p><img decoding=\"async\" alt=\"Mo\u017enosti pou\u017eit\u00ed \u0159e\u0161en\u00ed pro viditelnost s\u00edt\u011b (network visibility)\" src=\"\/wp-content\/uploads\/2019\/10\/08631db239c0fad099d61f459d5d4636.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nV posledn\u00ed dob\u011b byla tak\u00e9 p\u0159id\u00e1na funk\u010dnost zabezpe\u010den\u00ed SecureStack (pro optimalizaci zpracov\u00e1n\u00ed d\u016fv\u011brn\u00e9ho provozu), MobileStack (pro mobiln\u00ed oper\u00e1tory) a TradeStack (pro monitorov\u00e1n\u00ed a filtrov\u00e1n\u00ed dat finan\u010dn\u00edho tradingu):<\/p>\n<p><img decoding=\"async\" alt=\"Mo\u017enosti pou\u017eit\u00ed \u0159e\u0161en\u00ed pro viditelnost s\u00edt\u011b (network visibility)\" src=\"\/wp-content\/uploads\/2019\/10\/8a4b91da9d092b3eba8441df1e837154.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<img decoding=\"async\" alt=\"Mo\u017enosti pou\u017eit\u00ed \u0159e\u0161en\u00ed pro viditelnost s\u00edt\u011b (network visibility)\" src=\"\/wp-content\/uploads\/2019\/10\/0fcdc54b7045b83e8c257c1249cf9e1f.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<img decoding=\"async\" alt=\"Mo\u017enosti pou\u017eit\u00ed \u0159e\u0161en\u00ed pro viditelnost s\u00edt\u011b (network visibility)\" src=\"\/wp-content\/uploads\/2019\/10\/23f7266d2d275ae83810116522de29b8.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n <\/p>\n<h4>Z\u00e1v\u011bry<\/h4>\n<p>\n\u0158e\u0161en\u00ed pro viditelnost s\u00edt\u011b \u2013 mocn\u00fd n\u00e1stroj schopn\u00fd optimalizovat architekturu s\u00ed\u0165ov\u00e9ho monitorov\u00e1n\u00ed a zabezpe\u010den\u00ed, kter\u00fd vytv\u00e1\u0159\u00ed z\u00e1kladn\u00ed sb\u011br a v\u00fdm\u011bnu pot\u0159ebn\u00fdch dat.<\/p>\n<p>Mo\u017enosti vyu\u017eit\u00ed umo\u017e\u0148uj\u00ed:<\/p>\n<ul>\n<li>poskytnout p\u0159\u00edstup k pot\u0159ebn\u00fdm specifick\u00fdm dat\u016fm na po\u017e\u00e1d\u00e1n\u00ed pro diagnostiku a troubleshooting<\/li>\n<li>p\u0159idat\/odebrat bezpe\u010dnostn\u00ed a monitorovac\u00ed \u0159e\u0161en\u00ed jak in-line, tak out-of-band<\/li>\n<li>sn\u00ed\u017eit MTTR<\/li>\n<li>zajistit rychlou reakci na probl\u00e9my<\/li>\n<li>prov\u00e1d\u011bt roz\u0161\u00ed\u0159enou anal\u00fdzu hrozeb<\/li>\n<li>odstranit v\u011bt\u0161inu byrokratick\u00fdch schv\u00e1len\u00ed<\/li>\n<li>sn\u00ed\u017eit finan\u010dn\u00ed dopady \u00fatoku, rychl\u00fdm p\u0159ipojen\u00edm pot\u0159ebn\u00fdch \u0159e\u0161en\u00ed do s\u00edt\u011b a sn\u00ed\u017een\u00edm MTTR<\/li>\n<li>sn\u00ed\u017eit n\u00e1klady a pracovn\u00ed z\u00e1t\u011b\u017e spojenou s nastaven\u00edm SPAN portu<\/li>\n<\/ul>\n<p>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/437344\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412\u0430\u0440\u0438\u0430\u043d\u0442\u044b \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u0440\u0435\u0448\u0435\u043d\u0438\u0439 \u0434\u043b\u044f \u0432\u0438\u0434\u0438\u043c\u043e\u0441\u0442\u0438 \u0441\u0435\u0442\u0438 (visibility) \u0427\u0442\u043e \u0442\u0430\u043a\u043e\u0435 \u0432\u0438\u0434\u0438\u043c\u043e\u0441\u0442\u044c \u0441\u0435\u0442\u0438 (Network Visibility)? \u0412\u0438\u0434\u0438\u043c\u043e\u0441\u0442\u044c (Visibility) \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u044f\u0435\u0442\u0441\u044f \u0441\u043b\u043e\u0432\u0430\u0440\u0435\u043c \u0412\u0435\u0431\u0441\u0442\u0435\u0440\u0430 \u043a\u0430\u043a \u00ab\u0441\u043f\u043e\u0441\u043e\u0431\u043d\u043e\u0441\u0442\u044c \u0431\u044b\u0442\u044c \u043b\u0435\u0433\u043a\u043e \u0437\u0430\u043c\u0435\u0447\u0435\u043d\u043d\u044b\u043c\u00bb \u0438\u043b\u0438 \u00ab\u0441\u0442\u0435\u043f\u0435\u043d\u044c \u044f\u0441\u043d\u043e\u0441\u0442\u0438\u00bb. \u041f\u043e\u0434 \u0432\u0438\u0434\u0438\u043c\u043e\u0441\u0442\u044c\u044e \u0441\u0435\u0442\u0438 \u0438\u043b\u0438 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f \u043f\u043e\u0434\u0440\u0430\u0437\u0443\u043c\u0435\u0432\u0430\u0435\u0442\u0441\u044f \u0443\u0434\u0430\u043b\u0435\u043d\u0438\u0435 \u0441\u043b\u0435\u043f\u044b\u0445 \u0437\u043e\u043d, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0441\u043a\u0440\u044b\u0432\u0430\u044e\u0442 \u0441\u043f\u043e\u0441\u043e\u0431\u043d\u043e\u0441\u0442\u044c \u043b\u0435\u0433\u043a\u043e \u0432\u0438\u0434\u0435\u0442\u044c (\u0438\u043b\u0438 \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u0435\u043d\u043d\u043e \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u044f\u0442\u044c), \u0447\u0442\u043e \u043f\u0440\u043e\u0438\u0441\u0445\u043e\u0434\u0438\u0442 \u0432 \u0441\u0435\u0442\u0438 \u0438\/\u0438\u043b\u0438 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f\u0445 \u0432 \u0441\u0435\u0442\u0438. \u042d\u0442\u0430 \u0432\u0438\u0434\u0438\u043c\u043e\u0441\u0442\u044c \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0418\u0422-\u043a\u043e\u043c\u0430\u043d\u0434\u0430\u043c [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":29037,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-38707","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=\"description\" content=\"\u0412\u0430\u0440\u0438\u0430\u043d\u0442\u044b \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u0440\u0435\u0448\u0435\u043d\u0438\u0439 \u0434\u043b\u044f \u0432\u0438\u0434\u0438\u043c\u043e\u0441\u0442\u0438 \u0441\u0435\u0442\u0438 (visibility) \u0427\u0442\u043e \u0442\u0430\u043a\u043e\u0435 \u0432\u0438\u0434\u0438\u043c\u043e\u0441\u0442\u044c \u0441\u0435\u0442\u0438 (Network Visibility)? 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property=\"og:image:height\" content=\"350\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2019-10-31T19:25:26+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2019-10-31T19:25:26+00:00\" \/>\n\t\t<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"\ud83e\udd47Mo\u017enosti vyu\u017eit\u00ed \u0159e\u0161en\u00ed pro viditelnost s\u00edt\u011b (network visibility) | ProHoster","description":"Mo\u017enosti vyu\u017eit\u00ed \u0159e\u0161en\u00ed pro viditelnost s\u00edt\u011b (visibility) Co je to viditelnost s\u00edt\u011b (Network Visibility)? 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