{"id":1721886,"date":"2026-07-07T15:43:28","date_gmt":"2026-07-07T13:43:28","guid":{"rendered":"https:\/\/blog.wedos.com\/?p=1721886"},"modified":"2026-07-07T15:51:10","modified_gmt":"2026-07-07T13:51:10","slug":"tri-vrstvy-jedne-hostingove-pevnosti-jak-wedos-chrani-vas-web-od-dns-dotazu-az-po-posledni-sekundu-provozu","status":"publish","type":"post","link":"https:\/\/blog.wedos.com\/cs\/tri-vrstvy-jedne-hostingove-pevnosti-jak-wedos-chrani-vas-web-od-dns-dotazu-az-po-posledni-sekundu-provozu","title":{"rendered":"T\u0159i vrstvy jedn\u00e9 hostingov\u00e9 pevnosti: Jak WEDOS chr\u00e1n\u00ed v\u00e1\u0161 web od DNS dotazu a\u017e po posledn\u00ed sekundu provozu"},"content":{"rendered":"\n

Kdy\u017e si vyb\u00edr\u00e1te webhosting<\/a>, v\u011bt\u0161inou srovn\u00e1v\u00e1te prostor, v\u00fdkon a cenu. Jen\u017ee o tom, jestli v\u00e1\u0161 web opravdu funguje a vyd\u011bl\u00e1v\u00e1, rozhoduje je\u0161t\u011b n\u011bco jin\u00e9ho. N\u011bco, co v cen\u00edkov\u00e9 tabulce v\u011bt\u0161inou nenajdete: co se stane, kdy\u017e p\u0159ijde \u00fatok, kdy\u017e vypadne DNS nebo kdy\u017e web v noci p\u0159estane odpov\u00eddat.<\/p>\n\n\n\n\n\n\n\n

U VEDOS jsme na tyhle ot\u00e1zky odpov\u011bd\u011bli po sv\u00e9m. N\u00e1\u0161 webhosting nestoj\u00ed s\u00e1m o sob\u011b, ale na glob\u00e1ln\u00ed bezpe\u010dnostn\u00ed infrastruktu\u0159e WEDOS, kterou jinak vyu\u017e\u00edvaj\u00ed firmy po cel\u00e9 Evrop\u011b. Pro v\u00e1s to znamen\u00e1 jedin\u00e9: v\u00e1\u0161 web m\u00e1 za z\u00e1dy technologie, kter\u00e9 byste si jinde museli draze skl\u00e1dat od n\u011bkolika dodavatel\u016f. A tady je prost\u011b m\u00e1te.<\/p>\n\n\n\n

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Va\u0161i dom\u00e9nu dr\u017e\u00ed nad vodou s\u00ed\u0165, ne jeden server<\/h2>\n\n\n\n

Ka\u017ed\u00e1 n\u00e1v\u0161t\u011bva webu za\u010d\u00edn\u00e1 DNS dotazem. Kdy\u017e DNS neodpov\u00ed, n\u00e1v\u0161t\u011bvn\u00edk se k v\u00e1m nedostane, i kdyby hosting b\u011b\u017eel na sto procent. Je to nejpodce\u0148ovan\u011bj\u0161\u00ed m\u00edsto cel\u00e9ho webu.<\/p>\n\n\n\n

Dom\u00e9ny u n\u00e1s<\/a> proto neb\u011b\u017e\u00ed na dvou serverech v jedn\u00e9 serverovn\u011b, jak je b\u011b\u017en\u00e9, ale na Anycast s\u00edti s v\u00edce ne\u017e 120 body p\u0159\u00edtomnosti po cel\u00e9m sv\u011bt\u011b<\/strong>. Ka\u017ed\u00fd dotaz vy\u0159\u00edd\u00ed nejbli\u017e\u0161\u00ed aktivn\u00ed uzel, a kdy\u017e n\u011bjak\u00fd vypadne nebo \u010del\u00ed \u00fatoku, provoz plynule p\u0159evezmou ostatn\u00ed. K tomu DNSSEC<\/strong>, kter\u00fd chr\u00e1n\u00ed pravost va\u0161ich z\u00e1znam\u016f, aby v\u00e1m nikdo dom\u00e9nu „neunesl“ podvr\u017eenou odpov\u011bd\u00ed.<\/p>\n\n\n\n

Vy p\u0159itom ned\u011bl\u00e1te nic. Dom\u00e9na prost\u011b pou\u017e\u00edv\u00e1 na\u0161e DNS a odolnost cel\u00e9 s\u00edt\u011b m\u00e1 automaticky. Pokud s webem teprve za\u010d\u00edn\u00e1te, projd\u011bte si n\u00e1\u0161 n\u00e1vod Za\u010d\u00edn\u00e1me: nov\u00fd web<\/a> ve znalostn\u00ed b\u00e1zi.<\/p>\n\n\n\n

P\u0159ed va\u0161\u00edm webem stoj\u00ed \u0161t\u00edt, o kter\u00e9m ani nev\u00edte<\/h2>\n\n\n\n

Mo\u017en\u00e1 si \u0159\u00edk\u00e1te, \u017ee v\u00e1\u0161 web nikoho nezaj\u00edm\u00e1. Jen\u017ee dne\u0161n\u00ed \u00fatoky si nevyb\u00edraj\u00ed. Boti nep\u0159etr\u017eit\u011b skenuj\u00ed v\u0161echno, co je online, zkou\u0161ej\u00ed hesla, hledaj\u00ed d\u00edry ve WordPressu a stahuj\u00ed ciz\u00ed obsah. A polo\u017eit men\u0161\u00ed e-shop c\u00edlen\u00fdm \u00fatokem dnes bohu\u017eel nen\u00ed \u017e\u00e1dn\u00e9 um\u011bn\u00ed.<\/p>\n\n\n\n

Proto p\u0159ed weby na\u0161ich z\u00e1kazn\u00edk\u016f stoj\u00ed v\u00edcevrstv\u00e1 ochrana, kter\u00e1 filtruje \u0161kodliv\u00fd provoz na s\u00ed\u0165ov\u00e9 i aplika\u010dn\u00ed \u00farovni (L3, L4 a L7)<\/strong> d\u0159\u00edv, ne\u017e se v\u016fbec dotkne hostingu. Sou\u010d\u00e1st\u00ed je firewall pro webov\u00e9 aplikace (WAF)<\/strong> s pravidly proti nejb\u011b\u017en\u011bj\u0161\u00edm \u00fatok\u016fm a chytr\u00e1 detekce bot\u016f, kter\u00e1 nekouk\u00e1 jen na to, za co se n\u00e1v\u0161t\u011bvn\u00edk vyd\u00e1v\u00e1, ale na skute\u010dn\u00fd technick\u00fd otisk jeho p\u0159ipojen\u00ed. Bot p\u0159evle\u010den\u00fd za b\u011b\u017en\u00fd prohl\u00ed\u017ee\u010d prost\u011b neprojde.<\/p>\n\n\n\n

Pr\u00e1v\u011b weby na WordPressu jsou p\u0159itom ter\u010dem \u010d\u00edslo jedna. I proto jsme pro n\u011b postavili specializovan\u00fd WordPress hosting<\/a>: optimalizovan\u00e9 prost\u0159ed\u00ed s LiteSpeed a Redis cache, p\u0159edinstalovan\u00fdm WordPressem, SSL certifik\u00e1tem zdarma a celou ochrannou vrstvou v z\u00e1kladu. Web se rychle na\u010d\u00edt\u00e1 a vy ne\u0159e\u0161\u00edte \u017e\u00e1dnou konfiguraci. Praktick\u00e9 tipy k provozu WordPressu najdete v \u010dl\u00e1nku Webhosting a WordPress<\/a> v na\u0161\u00ed znalostn\u00ed b\u00e1zi.<\/p>\n\n\n\n

A proto\u017ee jsme evropsk\u00e1 firma s vlastn\u00edmi datacentry, v\u0161echna data z\u016fst\u00e1vaj\u00ed v EU<\/strong>. \u017d\u00e1dn\u00e9 p\u0159ed\u00e1v\u00e1n\u00ed t\u0159et\u00edm stran\u00e1m, \u017e\u00e1dn\u00fd dosah legislativy t\u0159et\u00edch zem\u00ed.<\/p>\n\n\n\n

Kdy\u017e se n\u011bco pokaz\u00ed, dozv\u00edte se to prvn\u00ed<\/h2>\n\n\n\n

Nikdo nesed\u00ed u sv\u00e9ho webu 24 hodin denn\u011b. My ano. Vlastn\u011b p\u0159esn\u011bji: na\u0161e sondy.<\/p>\n\n\n\n

V\u0161echny hostingy na\u0161ich z\u00e1kazn\u00edk\u016f nep\u0159etr\u017eit\u011b monitorujeme z glob\u00e1ln\u00ed s\u00edt\u011b sond a v\u00fdsledky transparentn\u011b publikujeme na ve\u0159ejn\u00e9 status str\u00e1nce. Tak\u017ee kdy\u017e se cokoliv d\u011bje, v\u00edme o tom v \u0159\u00e1du sekund a \u0159e\u0161\u00edme to, \u010dasto d\u0159\u00edv, ne\u017e si toho kdokoliv v\u0161imne.<\/p>\n\n\n\n

A kdo chce m\u00edt vlastn\u00ed dohled nad sv\u00fdm webem, m\u016f\u017ee si u n\u00e1s zapnout i osobn\u00ed monitoring: kontroly dostupnosti a rychlosti v intervalu u\u017e od 60 sekund, hl\u00edd\u00e1n\u00ed platnosti SSL certifik\u00e1tu a okam\u017eit\u00e9 upozorn\u011bn\u00ed na e-mail, mobil nebo do firemn\u00edho chatu. Rozd\u00edl v praxi je jednoduch\u00fd. Bez monitoringu se o no\u010dn\u00edm v\u00fdpadku dozv\u00edte r\u00e1no z na\u0161tvan\u00e9ho e-mailu z\u00e1kazn\u00edka. S n\u00edm v\u00e1m do p\u00e1r sekund p\u0159ijde upozorn\u011bn\u00ed a probl\u00e9m vy\u0159e\u0161\u00edte d\u0159\u00edv, ne\u017e doraz\u00ed prvn\u00ed n\u00e1v\u0161t\u011bvn\u00edk.<\/p>\n\n\n\n

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Pro\u010d na tom z\u00e1le\u017e\u00ed v\u00edc, ne\u017e se zd\u00e1<\/h2>\n\n\n\n

Web je \u0159et\u011bz a \u0159et\u011bz je siln\u00fd jen jako jeho nejslab\u0161\u00ed \u010dl\u00e1nek:<\/p>\n\n\n\n

Co hl\u00edd\u00e1me<\/th>Pro\u010d<\/th>Co se stane, kdy\u017e to nikdo nehl\u00edd\u00e1<\/th><\/tr><\/thead>
DNS a dom\u00e9nu<\/td>Aby v\u00e1s z\u00e1kazn\u00edci v\u017edy na\u0161li<\/td>Web b\u011b\u017e\u00ed, ale nikdo se na n\u011bj nedostane<\/td><\/tr>
Provoz p\u0159ed webem<\/td>Aby pro\u0161li jen skute\u010dn\u00ed n\u00e1v\u0161t\u011bvn\u00edci<\/td>\u00datok polo\u017e\u00ed web nebo zneu\u017eije d\u00edru<\/td><\/tr>
Dostupnost a rychlost<\/td>Abyste o probl\u00e9mu v\u011bd\u011bli prvn\u00ed<\/td>V\u00fdpadek objev\u00ed z\u00e1kazn\u00edci d\u0159\u00edv ne\u017e vy<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

U v\u011bt\u0161iny hosting\u016f si tyhle t\u0159i v\u011bci mus\u00edte hl\u00eddat sami, p\u0159\u00edpadn\u011b dokupovat u t\u0159et\u00edch stran a slo\u017eit\u011b propojovat. U VEDOS jsou p\u0159irozenou sou\u010d\u00e1st\u00ed prost\u0159ed\u00ed, ve kter\u00e9m v\u00e1\u0161 web \u017eije. Jedna administrace, jedna faktura a podpora, kter\u00e1 je tu pro v\u00e1s 24 hodin denn\u011b, 7 dn\u00ed v t\u00fddnu.<\/p>\n\n\n\n

Ne n\u00e1hodou jsme nejv\u011bt\u0161\u00ed registr\u00e1tor dom\u00e9n v \u010cR<\/strong> a provozujeme nejprod\u00e1van\u011bj\u0161\u00ed webhosting na \u010desk\u00e9m trhu<\/strong>. Statis\u00edce web\u016f si nevybraly jen prostor na serveru. Vybraly si m\u00edsto, kde se o n\u011b n\u011bkdo star\u00e1. A pokud si nejste jist\u00ed, kter\u00fd tarif je pro v\u00e1s ten prav\u00fd, pom\u016f\u017ee v\u00e1m pr\u016fvodce v\u00fdb\u011brem slu\u017eeb<\/a>.<\/p>\n\n\n\n

Mal\u00e1 pozn\u00e1mka pro firmy: NIS2<\/h2>\n\n\n\n

Pokud na va\u0161i firmu dopad\u00e1 evropsk\u00e1 sm\u011brnice NIS2<\/strong>, tedy povinnosti v oblasti kybernetick\u00e9 bezpe\u010dnosti, monitoringu a hl\u00e1\u0161en\u00ed incident\u016f, je dobr\u00e9 v\u011bd\u011bt, \u017ee cel\u00e1 na\u0161e infrastruktura je na to p\u0159ipraven\u00e1. Certifikace ISO 27001, 27017, 27018, 9001 a 14001<\/strong>, vlastn\u00ed CSIRT t\u00fdm a data v\u00fdhradn\u011b v EU. Nemus\u00edte tedy \u0159e\u0161it, jestli v\u00e1\u0161 poskytovatel hostingu jednou nebude va\u0161e slab\u00e9 m\u00edsto v auditu. Podrobnosti najdete na wedos.eu<\/a>.<\/p>\n\n\n\n

Web si zaslou\u017e\u00ed v\u00edc ne\u017e jen m\u00edsto na disku<\/h2>\n\n\n\n

Hosting u VEDOS nen\u00ed jen prostor pro soubory. Je to prost\u0159ed\u00ed, kde m\u00e1 v\u00e1\u0161 web odoln\u00e9 DNS, \u0161t\u00edt proti \u00fatok\u016fm a nep\u0159etr\u017eit\u00fd dohled. To v\u0161echno jako samoz\u0159ejmost, ne jako drah\u00fd p\u0159\u00edplatek.<\/p>\n\n\n\n

Web na WordPressu p\u0159enesete b\u011bhem chv\u00edle podle n\u00e1vodu Migrace WordPressu na Hosting WP<\/a>, ostatn\u00ed weby a e-maily za v\u00e1s p\u0159esune na\u0161e automatick\u00e1 migrace zdarma.<\/p>\n\n\n\n

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Chci WordPress hosting<\/a><\/div>\n\n\n\n
Prohl\u00e9dnout webhosting<\/a><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

Kdy\u017e si vyb\u00edr\u00e1te webhosting, v\u011bt\u0161inou srovn\u00e1v\u00e1te prostor, v\u00fdkon a cenu. Jen\u017ee o tom, jestli v\u00e1\u0161 web opravdu funguje a vyd\u011bl\u00e1v\u00e1, rozhoduje je\u0161t\u011b n\u011bco jin\u00e9ho. N\u011bco, co v cen\u00edkov\u00e9 tabulce v\u011bt\u0161inou nenajdete: co se stane, kdy\u017e p\u0159ijde \u00fatok, kdy\u017e vypadne DNS nebo kdy\u017e web v noci p\u0159estane odpov\u00eddat.<\/p>\n","protected":false},"author":16,"featured_media":1722002,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-1721886","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-spolecnost"],"_links":{"self":[{"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/posts\/1721886","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/users\/16"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/comments?post=1721886"}],"version-history":[{"count":2,"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/posts\/1721886\/revisions"}],"predecessor-version":[{"id":1722022,"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/posts\/1721886\/revisions\/1722022"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/media\/1722002"}],"wp:attachment":[{"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/media?parent=1721886"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/categories?post=1721886"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/tags?post=1721886"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}