[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.papko.cz\/nova-obrana-proti-hackerum\/#Article","mainEntityOfPage":"https:\/\/www.papko.cz\/nova-obrana-proti-hackerum\/","headline":"Nov\u00e1 obrana proti hacker\u016fm","name":"Nov\u00e1 obrana proti hacker\u016fm","description":"Tyto mas\u00edvn\u00ed \u00fatoky jsou velice nep\u0159\u00edjemn\u00e9, naru\u0161uj\u00ed stabilitu a klidn\u011b by se mohlo st\u00e1t, \u017ee by pir\u00e1ti vcelku v\u00a0pohod\u011b mohli znefunk\u010dnit jist\u00e9 \u010d\u00e1sti internetu. Napaden\u00ed DNS (Domain Name System) server\u016f je tedy velmi nebezpe\u010dn\u00e9. Tyto toti\u017e \u201ep\u0159ekl\u00e1daj\u00ed\u201c webov\u00e9 adresy na adresy \u010d\u00edseln\u00e9, a to fyzick\u00fdch stroj\u016f. V\u00a0p\u0159\u00edpad\u011b jejich vy\u0159azen\u00ed z\u00a0\u010dinnosti, napaden\u00ed, by se tak stala […]","datePublished":"2025-03-01","dateModified":"2023-05-02","author":{"@type":"Person","@id":"https:\/\/www.papko.cz\/author\/#Person","name":"","url":"https:\/\/www.papko.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/f2ab007ed309e3d84abcf4139c5580b2bc94c721f9294eeb027f25de56e0a35e?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/f2ab007ed309e3d84abcf4139c5580b2bc94c721f9294eeb027f25de56e0a35e?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"papko.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.papko.cz\/wp-content\/uploads\/img_a303417_w2099_t1513754353.jpg","url":"https:\/\/www.papko.cz\/wp-content\/uploads\/img_a303417_w2099_t1513754353.jpg","height":0,"width":0},"url":"https:\/\/www.papko.cz\/nova-obrana-proti-hackerum\/","wordCount":427,"articleBody":"Tyto mas\u00edvn\u00ed \u00fatoky jsou velice nep\u0159\u00edjemn\u00e9, naru\u0161uj\u00ed stabilitu a klidn\u011b by se mohlo st\u00e1t, \u017ee by pir\u00e1ti vcelku v\u00a0pohod\u011b mohli znefunk\u010dnit jist\u00e9 \u010d\u00e1sti internetu. Napaden\u00ed DNS (Domain Name System) server\u016f je tedy velmi nebezpe\u010dn\u00e9. Tyto toti\u017e \u201ep\u0159ekl\u00e1daj\u00ed\u201c webov\u00e9 adresy na adresy \u010d\u00edseln\u00e9, a to fyzick\u00fdch stroj\u016f. V\u00a0p\u0159\u00edpad\u011b jejich vy\u0159azen\u00ed z\u00a0\u010dinnosti, napaden\u00ed, by se tak stala \u010d\u00e1st internetu v podstat\u011b nedostupn\u00fdm. To proto, \u017ee by toti\u017e v\u00e1\u0161 prohl\u00ed\u017ee\u010d nev\u011bd\u011bl, kam se m\u00e1 p\u0159ipojit. A mimochodem z\u00a0DNS se \u010dte tak\u00e9 ka\u017ed\u00e1 IP adresa. Tak\u017ee pokud ji prohl\u00ed\u017ee\u010d nezn\u00e1, nem\u00e1te na obrazovce, vlastn\u011b monitoru zhola nic. Co\u017e \u010dlov\u011bka dosti na\u0161tve, zvl\u00e1\u0161t\u011b kdy\u017e sp\u011bch\u00e1, nebo kdy\u017e m\u00e1 nejv\u00edce pr\u00e1ce. (Vlastn\u00ed zku\u0161enost).Na\u0161t\u011bst\u00ed je zde nov\u00e1 slu\u017eba, ISP DNS Stack. To je pr\u00e1v\u011b slu\u017eba, kter\u00e1 by m\u011bla zabr\u00e1nit takov\u00fdm \u00fatok\u016fm. Pokud se n\u011bkdo stane z\u00e1kazn\u00edkem, toho se v\u0161ak \u017e\u00e1dn\u00fd \u00fatok nedotkne, tedy kdyby k\u00a0n\u011bmu v\u016fbec do\u0161lo. Dlu\u017eno je\u0161t\u011b podotknout drobnost, \u017ee se jedn\u00e1 o dom\u00e9ny cz. Ostatn\u00edch ne. Dva velc\u00ed z\u00e1kazn\u00edci ji\u017e jsou a netaj\u00ed se s\u00a0t\u00edm. Je to Seznam.cz\u00a0 a Vodafone.cz Tyto dva subjekty se tedy hacker\u016f ob\u00e1vat nemus\u00ed. \u0158editel\u00e9 obou spole\u010dnost\u00ed vyj\u00e1d\u0159ili spokojenost se slu\u017ebou, av\u0161ak o cen\u011b taktn\u011b poml\u010deli.\u00a0\u00a0Jedin\u00fd kdo tu slu\u017ebu v\u00a0\u010cesku nab\u00edz\u00ed je sdru\u017een\u00ed CZ.NIC. Je to spr\u00e1vce n\u00e1rodn\u00ed dom\u00e9ny a m\u00e1 pod sebou dal\u0161\u00ed organizace, kter\u00e9 se pod\u00edlej\u00ed na hardwaru a softwaru b\u011b\u017e\u00edc\u00edho syst\u00e9mu. Zaji\u0161\u0165uj\u00ed jeho um\u00edst\u011bn\u00ed v\u00a0datacentrech, ale tak\u00e9 cel\u00fd n\u00e1sledn\u00fd provoz.V\u00fdkonn\u00fd \u0159editel CZ.NIC Ond\u0159ej Filip ve\u0159ejn\u011b prohl\u00e1sil o obou v\u00fd\u0161e ji\u017e zm\u00edn\u011bn\u00fdch z\u00e1kazn\u00edc\u00edch, \u017ee zase oni t\u00edmto d\u00e1vaj\u00ed najevo sv\u00fdm z\u00e1kazn\u00edk\u016fm, \u017ee si jich v\u00e1\u017e\u00ed a t\u00edm pro n\u011b zaji\u0161\u0165uj\u00ed naprostou dokonal\u00fd p\u0159\u00edstup k\u00a0internetu.Z\u00e1v\u011brem snad dlu\u017eno dodat n\u011bco co bude nejv\u00fd\u0161e pravd\u011bpodobn\u00e9, toti\u017e to, \u017ee o dal\u0161\u00ed z\u00e1kazn\u00edky nebude m\u00edt sdru\u017een\u00ed CZ.NIC nouzi. Je pr\u00e1v\u011b proto p\u0159ekvapen\u00edm, \u017ee jsou zapojeni jen tito dva. Ale tak\u00e9 je mo\u017en\u00e9, \u017ee sdru\u017een\u00ed nechce nic o sv\u00fdch dal\u0161\u00edch klientech zve\u0159ej\u0148ovat.                                                                                                                                                                                                                                                                                                                                                                                                "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Nov\u00e1 obrana proti hacker\u016fm","item":"https:\/\/www.papko.cz\/nova-obrana-proti-hackerum\/#breadcrumbitem"}]}]