{"id":154125,"date":"2023-07-09T19:40:35","date_gmt":"2023-07-09T17:40:35","guid":{"rendered":"https:\/\/blog.wedos.cz\/?p=154125"},"modified":"2023-07-09T19:40:37","modified_gmt":"2023-07-09T17:40:37","slug":"waf-report-z-wedos-global-protection-za-cerven-2023","status":"publish","type":"post","link":"https:\/\/blog.wedos.com\/cs\/waf-report-z-wedos-global-protection-za-cerven-2023","title":{"rendered":"WAF report z WEDOS Global Protection za \u010derven 2023"},"content":{"rendered":"\n<p>V \u010dervnu jsme op\u011bt posunuli celou infrastrukturu WEDOS Global d\u00e1l. Zlep\u0161ila se odezva v \u0159ad\u011b zem\u00ed a p\u0159ibylo i p\u00e1r novinek, kter\u00e9 snad u\u017e brzy nasad\u00edme pro v\u0161echny. Samoz\u0159ejm\u011b nechyb\u011bly ani DDoS \u00fatoky, kter\u00e9 jsme \u00fasp\u011b\u0161n\u011b odfiltrovali. Zaj\u00edmav\u00e9 je, \u017ee i p\u0159es n\u00e1r\u016fst web\u016f pod ochranou WEDOS Global Protection, DDoS \u00fatok\u016f v \u010dervnu ubylo. Vypad\u00e1 to, \u017ee se n\u00e1m \u00fato\u010dn\u00edci za\u010d\u00ednaj\u00ed vyh\u00fdbat. <\/p>\n\n\n\n<!--more-->\n\n\n\n<h2 class=\"wp-block-heading\">WEDOS Global<\/h2>\n\n\n\n<p>WEDOS Global je n\u00e1zev na\u0161\u00ed infrastruktury, na kter\u00e9 jede stejnojmenn\u00e1 celosv\u011btov\u00e1 s\u00ed\u0165.  Cel\u00e1 infrastruktura WEDOS Global m\u00e1 aktu\u00e1ln\u011b k dispozici p\u0159es 1500 fyzick\u00fdch server\u016f a konektivitu p\u0159es 2,5 Tbps. Na konci kv\u011btna jsme m\u011bli servery ve 25 lokalit\u00e1ch v 20 st\u00e1tech na 5 kontinentech. Dal\u0161\u00ed lokalita je ve f\u00e1zi dokon\u010dov\u00e1n\u00ed.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Nov\u00fd bod WEDOS Global v Mexiku<\/h3>\n\n\n\n<p>V p\u00e1tek 16.06.2023 v 15:17 jsme spustili dal\u0161\u00ed bod WEDOS Global. Tentokr\u00e1t v Mexiku, konkr\u00e9tn\u011b v datacentru v hlavn\u00edm m\u011bst\u011b Ciudad de M\u00e9xico. P\u0159ev\u00e1\u017en\u00e1 \u010d\u00e1st provozu je \u010dist\u011b z Mexika. Men\u0161\u00ed provoz jde z Kolumbie, Kuby, El Salvador a n\u011bco z USA.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/blog.wedos.cz\/wp-content\/uploads\/2023\/07\/20230618-spusteni-bod-mexico-city.png\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" width=\"1024\" height=\"370\" data-id=\"154230\" data-src=\"https:\/\/blog.wedos.cz\/wp-content\/uploads\/2023\/07\/20230618-spusteni-bod-mexico-city-1024x370.png\" alt=\"\" class=\"wp-image-154230 lazyload\" data-srcset=\"https:\/\/blog.wedos.com\/wp-content\/uploads\/2023\/07\/20230618-spusteni-bod-mexico-city-1024x370.png 1024w, https:\/\/blog.wedos.com\/wp-content\/uploads\/2023\/07\/20230618-spusteni-bod-mexico-city-300x108.png 300w, https:\/\/blog.wedos.com\/wp-content\/uploads\/2023\/07\/20230618-spusteni-bod-mexico-city-768x277.png 768w, https:\/\/blog.wedos.com\/wp-content\/uploads\/2023\/07\/20230618-spusteni-bod-mexico-city-1536x555.png 1536w, https:\/\/blog.wedos.com\/wp-content\/uploads\/2023\/07\/20230618-spusteni-bod-mexico-city.png 1835w\" data-sizes=\"(max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1024px; --smush-placeholder-aspect-ratio: 1024\/370;\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/blog.wedos.cz\/wp-content\/uploads\/2023\/07\/20230618-spusteni-bod-mexico-city-2-1.png\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" width=\"1024\" height=\"454\" data-id=\"154228\" data-src=\"https:\/\/blog.wedos.cz\/wp-content\/uploads\/2023\/07\/20230618-spusteni-bod-mexico-city-2-1-1024x454.png\" alt=\"\" class=\"wp-image-154228 lazyload\" data-srcset=\"https:\/\/blog.wedos.com\/wp-content\/uploads\/2023\/07\/20230618-spusteni-bod-mexico-city-2-1-1024x454.png 1024w, https:\/\/blog.wedos.com\/wp-content\/uploads\/2023\/07\/20230618-spusteni-bod-mexico-city-2-1-300x133.png 300w, https:\/\/blog.wedos.com\/wp-content\/uploads\/2023\/07\/20230618-spusteni-bod-mexico-city-2-1-768x341.png 768w, https:\/\/blog.wedos.com\/wp-content\/uploads\/2023\/07\/20230618-spusteni-bod-mexico-city-2-1-1536x681.png 1536w, https:\/\/blog.wedos.com\/wp-content\/uploads\/2023\/07\/20230618-spusteni-bod-mexico-city-2-1.png 1837w\" data-sizes=\"(max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1024px; --smush-placeholder-aspect-ratio: 1024\/454;\" \/><\/a><\/figure>\n<figcaption class=\"blocks-gallery-caption wp-element-caption\">Spu\u0161t\u011bn\u00ed bodu WEDOS Globasl v Mexiku.<\/figcaption><\/figure>\n\n\n\n<p>Co se t\u00fdk\u00e1 provozu z Ji\u017en\u00ed Ameriky, tak v\u011bt\u0161ina jde zat\u00edm p\u0159es body v USA, kter\u00fdch m\u00e1me 5 (Atlanta, Dallas, Chicago, New York a Silicon Valley). Ji\u017e n\u011bkolik m\u011bs\u00edc\u016f domlouv\u00e1me body v Ji\u017en\u00ed Americe, kter\u00fd se o tento provoz postaraj\u00ed. Bohu\u017eel je to velice n\u00e1ro\u010dn\u00e9. N\u00e1\u0161 bod to je minim\u00e1ln\u011b 45 fyzick\u00fdch server\u016f a 2 switche a pot\u0159ebujeme konektivitu alespo\u0148 100 Gbps s mo\u017enost\u00ed nav\u00fd\u0161en\u00ed. Ne v\u0161ude re\u00e1ln\u011b maj\u00ed tolik konektivity, jinde jsou zase probl\u00e9my legislativn\u00ed. <\/p>\n\n\n\n<p>Prvn\u00ed bod p\u0159\u00edmo v Ji\u017en\u00ed Americe bychom mohli spustit do konce pr\u00e1zdnin. V\u0161e domlouv\u00e1me ji\u017e n\u011bkolik m\u011bs\u00edc\u016f.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Nov\u00fd peering v Kanad\u011b v\u00fdrazn\u011b zlep\u0161il odezvu v cel\u00e9 Severn\u00ed Americe<\/h3>\n\n\n\n<p>Poslat n\u011bkam tis\u00edce server\u016f a z\u0159\u00eddit si tam 100 Gbps konektivitu pro vybudov\u00e1n\u00ed super rychl\u00e9 celosv\u011btov\u00e9 s\u00edt\u011b nesta\u010d\u00ed. Je nutn\u00e9 se spr\u00e1vn\u011b propojit s velk\u00fdmi s\u00edt\u011bmi i t\u011bmi lok\u00e1ln\u00edmi. \u010cek\u00e1 n\u00e1s je\u0161t\u011b hodn\u011b pr\u00e1ce, ale postupn\u011b na tom d\u011bl\u00e1me.<\/p>\n\n\n\n<p>Koncem \u010dervna jsem spustili peering v Torontu v Kanad\u011b, co\u017e vedlo k v\u00fdrazn\u00e9mu zlep\u0161en\u00ed konektivity v cel\u00e9 Severn\u00ed Americe. Z 27 ms na cca 22,5 ms. Tento region je velice konkuren\u010dn\u00ed se stovkami lok\u00e1ln\u00edch poskytovatel\u016f. Tak\u017ee kdy\u017e jsme se zde dostali na 23. m\u00edsto, tak to pova\u017eujeme za velk\u00fd \u00fasp\u011bch. Nicm\u00e9n\u011b v\u011b\u0159\u00edme \u017ee bychom se dok\u00e1zali dostat na 15. &#8211; 10. m\u00edsto do konce roku \ud83d\ude42<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/blog.wedos.cz\/wp-content\/uploads\/2023\/07\/20230609-spusteni-peeringu-v-kanade-vliv-na-severni-ameriku.png\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" width=\"1024\" height=\"336\" data-src=\"https:\/\/blog.wedos.cz\/wp-content\/uploads\/2023\/07\/20230609-spusteni-peeringu-v-kanade-vliv-na-severni-ameriku-1024x336.png\" alt=\"\" class=\"wp-image-154241 lazyload\" data-srcset=\"https:\/\/blog.wedos.com\/wp-content\/uploads\/2023\/07\/20230609-spusteni-peeringu-v-kanade-vliv-na-severni-ameriku-1024x336.png 1024w, https:\/\/blog.wedos.com\/wp-content\/uploads\/2023\/07\/20230609-spusteni-peeringu-v-kanade-vliv-na-severni-ameriku-300x98.png 300w, https:\/\/blog.wedos.com\/wp-content\/uploads\/2023\/07\/20230609-spusteni-peeringu-v-kanade-vliv-na-severni-ameriku-768x252.png 768w, https:\/\/blog.wedos.com\/wp-content\/uploads\/2023\/07\/20230609-spusteni-peeringu-v-kanade-vliv-na-severni-ameriku.png 1509w\" data-sizes=\"(max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1024px; --smush-placeholder-aspect-ratio: 1024\/336;\" \/><\/a><\/figure>\n\n\n\n<div class=\"wp-block-media-text alignwide is-stacked-on-mobile is-vertically-aligned-center has-white-color has-vivid-cyan-blue-background-color has-text-color has-background\" style=\"grid-template-columns:20% auto\"><figure class=\"wp-block-media-text__media\"><img decoding=\"async\" width=\"385\" height=\"400\" data-src=\"https:\/\/blog.wedos.cz\/wp-content\/uploads\/2022\/12\/ladik-rbt-1.png\" alt=\"\" class=\"wp-image-123898 size-full lazyload\" data-srcset=\"https:\/\/blog.wedos.com\/wp-content\/uploads\/2022\/12\/ladik-rbt-1.png 385w, https:\/\/blog.wedos.com\/wp-content\/uploads\/2022\/12\/ladik-rbt-1-289x300.png 289w\" data-sizes=\"(max-width: 385px) 100vw, 385px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 385px; --smush-placeholder-aspect-ratio: 385\/400;\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<p><strong>Co je to IXP peering?<\/strong><\/p>\n\n\n\n<p>Peering je dohoda mezi dv\u011bma poskytovateli internetov\u00fdch slu\u017eeb (ISP), kter\u00e1 umo\u017e\u0148uje, aby jejich s\u00ed\u0165ov\u00fd provoz proch\u00e1zel p\u0159\u00edmo mezi nimi, ani\u017e by musel proj\u00edt t\u0159et\u00ed stranou. <\/p>\n\n\n\n<p>Tento p\u0159\u00edm\u00fd p\u0159enos dat m\u016f\u017ee zv\u00fd\u0161it rychlost a spolehlivost internetov\u00e9ho p\u0159ipojen\u00ed, proto\u017ee \u00fadaje nemus\u00ed cestovat tak daleko nebo p\u0159es dal\u0161\u00ed r\u016fzn\u00e9 s\u00edt\u011b. Tak\u00e9 to m\u016f\u017ee sn\u00ed\u017eit n\u00e1klady, proto\u017ee ob\u011b strany se mohou vyhnout poplatk\u016fm, kter\u00e9 by jinak mohly platit t\u0159et\u00edm stran\u00e1m za p\u0159enos dat.<\/p>\n\n\n\n<p>Peering obvykle prob\u00edh\u00e1 na tzv. internetov\u00fdch v\u00fdm\u011bnn\u00fdch bodech (IXP), kde m\u016f\u017ee mnoho ISP propojit sv\u00e9 s\u00edt\u011b dohromady.<\/p>\n<\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Chcete se o WEDOS Global dozv\u011bd\u011bt v\u00edce? <\/h3>\n\n\n\n<p>Pro ty z v\u00e1s, kte\u0159\u00ed maj\u00ed z\u00e1jem o hlub\u0161\u00ed pochopen\u00ed pokro\u010dil\u00fdch technologi\u00ed na kter\u00fdch je infrastruktura WEDOS Global  postavena, nab\u00edz\u00edme p\u0159edn\u00e1\u0161ku z Kubernetes Community Days Czech &amp; Slovak 2023, konan\u00e9 v Bratislav\u011b. Na t\u00e9to konferenci p\u0159edn\u00e1\u0161eli dva na\u0161i kolegov\u00e9, kte\u0159\u00ed jsou p\u0159\u00edmo zapojeni do v\u00fdvoje WEDOS Global.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe title=\"Glob\u00e1ln\u00ed Kubernetes infrastruktura, jej\u00ed v\u00fdvoj a \u00fadr\u017eba-WEDOS Global - Jakub Sassmann a Martin Du\u0161ek\" width=\"525\" height=\"295\" data-src=\"https:\/\/www.youtube.com\/embed\/siA5YFE5N4E?start=25&#038;feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" data-load-mode=\"1\"><\/iframe>\n<\/div><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">WEDOS Global Protection<\/h2>\n\n\n\n<p>WEDOS Global Protection je jedna ze slu\u017eeb, kter\u00e1 b\u011b\u017e\u00ed na WEDOS Global a m\u00e1 za \u00fakol ochr\u00e1nit v\u00e1\u0161 web p\u0159ed r\u016fzn\u00fdmi druhy kybernetick\u00fdch \u00fatok\u016f. Je jedno jestli jsou to velk\u00e9 rozs\u00e1hl\u00e9 DDoS \u00fatoky anebo mal\u00e9 \u00fatoky, kde se \u00fato\u010dn\u00edk sna\u017e\u00ed prolomit va\u0161e heslo.<\/p>\n\n\n\n<p>D\u016fle\u017eitou sou\u010d\u00e1st\u00ed slu\u017eby je i uchov\u00e1v\u00e1n\u00ed statick\u00e9 verze va\u0161ich str\u00e1nek v jednotliv\u00fdch lokalit\u00e1ch. Pokud se na str\u00e1nce nic nezm\u011bnilo, tak je n\u00e1v\u0161t\u011bvn\u00edk\u016fm v\u017edy serv\u00edrov\u00e1n obsah z nejbli\u017e\u0161\u00edho bodu. V podstat\u011b se jedn\u00e1 o CDN. <\/p>\n\n\n\n<div class=\"wp-block-media-text alignwide is-stacked-on-mobile is-vertically-aligned-center has-white-color has-vivid-cyan-blue-background-color has-text-color has-background\" style=\"grid-template-columns:20% auto\"><figure class=\"wp-block-media-text__media\"><img decoding=\"async\" width=\"385\" height=\"400\" data-src=\"https:\/\/blog.wedos.cz\/wp-content\/uploads\/2022\/12\/ladik-rbt-1.png\" alt=\"\" class=\"wp-image-123898 size-full lazyload\" data-srcset=\"https:\/\/blog.wedos.com\/wp-content\/uploads\/2022\/12\/ladik-rbt-1.png 385w, https:\/\/blog.wedos.com\/wp-content\/uploads\/2022\/12\/ladik-rbt-1-289x300.png 289w\" data-sizes=\"(max-width: 385px) 100vw, 385px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 385px; --smush-placeholder-aspect-ratio: 385\/400;\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<p><strong>Co je CDN (Content Delivery Network)?<\/strong><\/p>\n\n\n\n<p>Zkratka CDN v p\u0159ekladu znamen\u00e1 <strong>s\u00ed\u0165 pro doru\u010dov\u00e1n\u00ed obsahu<\/strong>. Tento syst\u00e9m funguje jako \u0159ada server\u016f rozm\u00edst\u011bn\u00fdch po cel\u00e9m sv\u011bt\u011b, kter\u00e9 kop\u00edruj\u00ed a ukl\u00e1daj\u00ed obsah webov\u00fdch str\u00e1nek (jako je samotn\u00e1 str\u00e1nka, obr\u00e1zky, styly str\u00e1nek atd.).<\/p>\n\n\n\n<p>Kdy\u017e u\u017eivatel chce na\u010d\u00edst webovou str\u00e1nku, kter\u00e1 vyu\u017e\u00edv\u00e1 CDN, m\u00edsto aby se cel\u00fd obsah stahoval z jedin\u00e9ho centr\u00e1ln\u00edho serveru (co\u017e by mohlo b\u00fdt pomal\u00e9, pokud by u\u017eivatel byl od serveru geograficky daleko), po\u017eadavek je sm\u011brov\u00e1n na nejbli\u017e\u0161\u00ed servery v CDN s\u00edti WEDOS Global. Ty pak doru\u010d\u00ed obsah rychleji, proto\u017ee jsou bl\u00ed\u017ee k u\u017eivateli.<\/p>\n\n\n\n<p>Vyu\u017eit\u00ed WEDOS Global tak zvy\u0161uje rychlost a efektivitu p\u0159enosu dat, <strong>zlep\u0161uje dostupnost<\/strong> a spolehlivost webov\u00fdch str\u00e1nek a <strong>pom\u00e1h\u00e1 vyrovnat n\u00e1por u\u017eivatel\u016f<\/strong> v p\u0159\u00edpad\u011b, \u017ee str\u00e1nku nav\u0161t\u00edv\u00ed mnoho lid\u00ed najednou a <strong>zlep\u0161uje va\u0161e pozice ve vyhled\u00e1va\u010d\u00edch<\/strong>.<\/p>\n<\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Slu\u017eba WEDOS Global Protection obchodn\u011b spu\u0161t\u011bna<\/h3>\n\n\n\n<p>WEDOS Global Protection u\u017e \u00fasp\u011b\u0161n\u011b chr\u00e1n\u00ed tis\u00edce web\u016f, tak\u017ee nic nebr\u00e1nilo tomu spustit pln\u00fd testovac\u00ed provoz. Tedy v\u010detn\u011b objedn\u00e1vek placen\u00fdch slu\u017eeb, obdob\u00ed na vyzkou\u0161en\u00ed atd. To znamenalo dot\u00e1hnout slu\u017ebu hlavn\u011b obchodn\u011b.<\/p>\n\n\n\n<p>P\u016fvodn\u011b jsme pl\u00e1novali jeden tarif zdarma, kter\u00fd by byl ur\u010den\u00fd pro osobn\u00ed nekomer\u010dn\u00ed weby. To bylo v\u0161ak v dob\u011b kdy WEDOS Global Protection m\u011bl slou\u017eit pouze k ochran\u011b p\u0159ed kybernetick\u00fdmi hrozbami. Slu\u017eba se v\u0161ak s cachov\u00e1n\u00edm obsahu posunula na \u00fapln\u011b jinou \u00farove\u0148 a v podstat\u011b supluje CDN pro weby. Re\u00e1ln\u011b tak zrychluje weby a sni\u017euje z\u00e1t\u011b\u017e pro servery. <\/p>\n\n\n\n<p>Pod\u00edvejte se na nejnav\u0161t\u011bvovan\u011bj\u0161\u00ed weby na WEDOS Global Protection na na\u0161em sd\u00edlen\u00e9m webhostingu NoLimit (n\u011bkter\u00e9 maj\u00ed tarif Extra) podle po\u010dtu po\u017eadavk\u016f. N\u00e1v\u0161t\u011bvnost je za \u010derven (30 dn\u00ed). <a href=\"https:\/\/www.wedos.com\/cs\/webhosting\/nolimit\/\" target=\"_blank\" rel=\"noopener\">Miliony po\u017eadavk\u016f denn\u011b ut\u00e1hne sd\u00edlen\u00fd webhosting za 39 K\u010d\/m\u011bs\u00edc<\/a> d\u00edky chytr\u00e9mu cachov\u00e1n\u00ed na WEDOS Global Protection.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"590\" height=\"823\" data-src=\"https:\/\/blog.wedos.cz\/wp-content\/uploads\/2023\/07\/20230703-wedos-global-cerven-weby-podle-requestu.png\" alt=\"\" class=\"wp-image-155954 lazyload\" data-srcset=\"https:\/\/blog.wedos.com\/wp-content\/uploads\/2023\/07\/20230703-wedos-global-cerven-weby-podle-requestu.png 590w, https:\/\/blog.wedos.com\/wp-content\/uploads\/2023\/07\/20230703-wedos-global-cerven-weby-podle-requestu-215x300.png 215w\" data-sizes=\"(max-width: 590px) 100vw, 590px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 590px; --smush-placeholder-aspect-ratio: 590\/823;\" \/><\/figure>\n\n\n\n<div class=\"wp-block-media-text alignwide is-stacked-on-mobile is-vertically-aligned-center has-white-color has-vivid-cyan-blue-background-color has-text-color has-background\" style=\"grid-template-columns:20% auto\"><figure class=\"wp-block-media-text__media\"><img decoding=\"async\" width=\"385\" height=\"400\" data-src=\"https:\/\/blog.wedos.cz\/wp-content\/uploads\/2022\/12\/ladik-rbt-1.png\" alt=\"\" class=\"wp-image-123898 size-full lazyload\" data-srcset=\"https:\/\/blog.wedos.com\/wp-content\/uploads\/2022\/12\/ladik-rbt-1.png 385w, https:\/\/blog.wedos.com\/wp-content\/uploads\/2022\/12\/ladik-rbt-1-289x300.png 289w\" data-sizes=\"(max-width: 385px) 100vw, 385px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 385px; --smush-placeholder-aspect-ratio: 385\/400;\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<p><strong>Jak funguje cachov\u00e1n\u00ed na WEDOS Global?<\/strong><\/p>\n\n\n\n<p>Cachov\u00e1n\u00ed na WEDOS Global je proces, kter\u00fd umo\u017e\u0148uje efektivn\u00ed distribuci obsahu prost\u0159ednictv\u00edm na\u0161ich bod\u016f v 25 lokalit\u00e1ch po cel\u00e9m sv\u011bt\u011b, tak aby se sn\u00ed\u017eila z\u00e1t\u011b\u017e na p\u016fvodn\u00ed hostingov\u00fd server a zv\u00fd\u0161ila rychlost p\u0159enosu dat u\u017eivatel\u016fm.<\/p>\n\n\n\n<p>Jak to funguje:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Ukl\u00e1d\u00e1n\u00ed do cache:<\/strong> Kdy\u017e u\u017eivatel poprv\u00e9 po\u017e\u00e1d\u00e1 o ur\u010dit\u00fd obsah (nap\u0159\u00edklad webovou str\u00e1nku, obr\u00e1zek, javaskript, CSS), WEDOS Global z\u00edsk\u00e1 tento obsah z p\u016fvodn\u00edho serveru a ulo\u017e\u00ed si kopii na na servery v dan\u00e9 lokalit\u011b (tj. serveru bl\u00edzko u\u017eivatele).<\/li>\n\n\n\n<li><strong>Vyd\u00e1n\u00ed obsahu:<\/strong> Kdy\u017e dal\u0161\u00ed u\u017eivatel\u00e9 po\u017eaduj\u00ed o stejn\u00fd obsah, WEDOS Global je schopen poskytnout obsah ze serveru, kter\u00fd je k nim nejbli\u017e\u0161\u00ed. To zna\u010dn\u011b sni\u017euje dobu pot\u0159ebnou k na\u010dten\u00ed obsahu, proto\u017ee data nemus\u00ed cestovat tak daleko. To je zn\u00e1t hlavn\u011b pokud m\u00e1te n\u00e1razovou n\u00e1v\u0161t\u011bvnost (reklamn\u00ed kampa\u0148, sd\u00edlen\u00ed na soci\u00e1ln\u00edch s\u00edt\u00edch).<\/li>\n\n\n\n<li><strong>Vypr\u0161en\u00ed platnosti cache:<\/strong> Ka\u017ed\u00fd obsah ulo\u017een\u00fd v cache m\u00e1 stanovenou dobu platnosti (TTL &#8211; Time to Live). Po uplynut\u00ed t\u00e9to doby se obsah sma\u017ee a mus\u00ed b\u00fdt znovu na\u010dten z p\u016fvodn\u00edho serveru p\u0159i dal\u0161\u00edm po\u017eadavku. To umo\u017e\u0148uje, aby obsah byl aktu\u00e1ln\u00ed.<\/li>\n\n\n\n<li><strong>Obnova obsahu:<\/strong> Pokud se obsah na p\u016fvodn\u00edm serveru zm\u011bn\u00ed, WEDOS Global m\u016f\u017ee aktualizovat svou cache, aby odr\u00e1\u017eela tuto zm\u011bnu. To je zaji\u0161t\u011bno mechanismy jako je nap\u0159\u00edklad &#8222;Invalidace cache&#8220;, kter\u00e9 umo\u017e\u0148uj\u00ed manu\u00e1ln\u00ed nebo automatick\u00e9 smaz\u00e1n\u00ed specifick\u00fdch soubor\u016f z cache. V administraci WEDOS Global najdete i tla\u010d\u00edtko pro smaz\u00e1n\u00ed cache.<\/li>\n<\/ol>\n\n\n\n<p>Celkov\u011b tedy cachov\u00e1n\u00ed na WEDOS Global pom\u00e1h\u00e1 zrychlit na\u010d\u00edt\u00e1n\u00ed obsahu, sn\u00ed\u017eit z\u00e1t\u011b\u017e na p\u016fvodn\u00edm serveru a zlep\u0161it celkov\u00fd v\u00fdkon webov\u00fdch aplikac\u00ed. Na rozd\u00edl od va\u0161eho hostingu, s\u00ed\u0165 WEDOS Global je p\u0159ipravena odbavit miliony po\u017eadavk\u016f za vte\u0159inu.<\/p>\n<\/div><\/div>\n\n\n\n<p>Tohle je funkce, kter\u00e1 m\u00e1 svou velkou p\u0159idanou hodnotu proto\u017ee <strong>sni\u017euje n\u00e1klady<\/strong> (kdy\u017e rostete nepot\u0159ebujte siln\u011bj\u0161\u00ed hosting\/VPS) a <strong>zlep\u0161uje pozice ve vyhled\u00e1va\u010d\u00edc<\/strong>h (re\u00e1ln\u011b vid\u00edme ve statistik\u00e1ch v\u00edce p\u0159\u00edstup\u016f z Google), proto\u017ee <strong>jsou weby rychlej\u0161\u00ed<\/strong> a v\u011bt\u0161ina lokalit m\u00e1 servery Google &#8222;za rohem&#8220;. Nezapom\u00ednejte tak\u00e9, \u017ee v\u011bt\u0161ina hosting\u016f m\u00e1 zahrani\u010dn\u00ed p\u0159enosy omezen\u00e9 kv\u016fli \u00fatok\u016fm anebo proto\u017ee cht\u011bj\u00ed u\u0161et\u0159it, tak\u017ee pro zahrani\u010d\u00ed je v\u00e1\u0161 web \u010dasto pomalej\u0161\u00ed. Schv\u00e1ln\u011b si to zkuste na dovolen\u00e9 \ud83d\ude09<\/p>\n\n\n\n<p>Proto jsme se rozhodli, \u017ee nejni\u017e\u0161\u00ed tarif <em>Start<\/em> bude za 25 K\u010d bez DPH za m\u011bs\u00edc. Aktu\u00e1ln\u011b je tam 15 denn\u00ed zku\u0161ebn\u00ed lh\u016fta, kde ka\u017ed\u00fd zjist\u00ed jestli se mu to vyplat\u00ed. Tento tarif je prakticky kompletn\u00ed a nebude se na n\u011bm nic m\u011bnit. <\/p>\n\n\n\n<p>Druh\u00fd tarif <em>Advanced <\/em>stoj\u00ed 150 K\u010d bez DPH m\u011bs\u00ed\u010dn\u011b a hlavn\u00ed rozd\u00edly jsou, \u017ee bude obsahovat i lokality, kde jsou drah\u00e9 p\u0159enosy dat, v\u0161echny kontroly a chybov\u00e9 str\u00e1nky se pokus\u00edme ud\u011blat co nejm\u00e9n\u011b ru\u0161iv\u011b (clean design) a p\u0159ednostn\u011b budou aplikov\u00e1ny konfigurace pro zlep\u0161en\u00ed v\u00fdkonu a chytr\u00e9 ochrany proti nov\u00fdm bezpe\u010dnostn\u00edm hrozb\u00e1m. Do budoucna po\u010d\u00edt\u00e1me s detailn\u011bj\u0161\u00edmi grafy a logy.<\/p>\n\n\n\n<p>Tarif <em>Expert <\/em>je ur\u010den pro v\u00fdvoj\u00e1\u0159e, kte\u0159\u00ed dob\u0159e rozum\u00ed s\u00ed\u0165ov\u00e9mu provozu a pot\u0159ebuj\u00ed pro sv\u00e9 skripty ur\u010dit\u00e9 v\u00fdjimky \u010di individu\u00e1ln\u00ed pravidla. Nab\u00edz\u00ed \u0159adu mo\u017enost\u00ed, jak si upravit ochranu, ale z\u00e1rove\u0148 jeden p\u0159eklep znamen\u00e1, \u017ee v\u00e1\u0161 web nep\u016fjde p\u016flce planety.<\/p>\n\n\n\n<p>Posledn\u00ed tarif <em>Ultimate <\/em>je \u0159e\u0161en\u00ed na m\u00edru pro velk\u00e9 spole\u010dnosti, organizace a vl\u00e1dy, kte\u0159\u00ed pot\u0159ebuj\u00ed nejen ochr\u00e1nit sv\u016fj web, ale m\u00edt k dispozici i \u010dlov\u011bka na telefonu pro p\u0159\u00edpad \u0159e\u0161en\u00ed probl\u00e9mu. V r\u00e1mci tohoto \u0159e\u0161en\u00ed je mo\u017en\u00e9 domluvit i SLA. <\/p>\n\n\n\n<p>D\u00e1le m\u00e1me dva tarify pro spr\u00e1vce velk\u00e9ho mno\u017estv\u00ed dom\u00e9n. <em>Multidomain B2B<\/em> je ur\u010den nap\u0159\u00edklad hostingov\u00fdm firm\u00e1m anebo spr\u00e1vc\u016fm web\u016f. Umo\u017e\u0148uje p\u0159es API &#8222;nasypat&#8220; dom\u00e9ny, kter\u00e9 budou na na\u0161ich AnycastDNS a pokud bude n\u011bjak\u00fd jejich z\u00e1kazn\u00edk pod \u00fatokem tak pro n\u011b zapnout ochranu. V\u00fdhodou je, \u017ee dokud ochrana nen\u00ed zapnut\u00e1 tak se za WEDOS Global Protection neplat\u00ed.<\/p>\n\n\n\n<p><em>Multidomain B2B Whitelabel<\/em>  je v podstat\u011b to sam\u00e9, ale v\u0161e m\u016f\u017eete provozovat pod vlastn\u00edm n\u00e1zvem DNS (dom\u00e9nami), vlastn\u00edmi IP a dokonce i vlastn\u00edm ASN (<a href=\"https:\/\/www.wedos.com\/cs\/protection\/kompletni-cenik-b2b\/\" target=\"_blank\" rel=\"noopener\">v\u00edce info<\/a>). Takov\u00e1to slu\u017eba na sv\u011bt\u011b nen\u00ed, proto\u017ee pokud by byla, tak bychom si j\u00ed koupili pro n\u00e1s a nemuseli stav\u011bt WEDSO Global za stovky milion\u016f \ud83d\ude42<\/p>\n\n\n\n<p>P\u0159ehled kompletn\u00edch cen\u00edk\u016f najdete na <a href=\"https:\/\/www.wedos.com\/cs\/protection\/\" target=\"_blank\" rel=\"noopener\">https:\/\/www.wedos.com\/cs\/protection\/<\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Nov\u00fd WordPress plugin<\/h3>\n\n\n\n<p>Na\u0161i v\u00fdvoj\u00e1\u0159i v kv\u011btnu dokon\u010dili plugin pro WordPress, kter\u00fd v\u00e1m pom\u016f\u017ee se zprovozn\u011bn\u00edm WEDOS Global Protection. Tento m\u011bs\u00edc jsme jej nahr\u00e1li na WordPress.org a \u010dek\u00e1me na schv\u00e1len\u00ed. Prozat\u00edm si jej m\u016f\u017eete st\u00e1hnout z na\u0161eho webu a nainstalovat manu\u00e1ln\u011b.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>St\u00e1hn\u011bte si plugin (<strong>wgpwpp.zip<\/strong>) na <a href=\"https:\/\/www.wedos.com\/cs\/protection\/ochrana-wordpress\/\" target=\"_blank\" rel=\"noopener\">https:\/\/www.wedos.com\/cs\/protection\/ochrana-wordpress\/<\/a><\/li>\n\n\n\n<li>P\u0159ihlaste se do administrace Va\u0161eho WordPress<\/li>\n\n\n\n<li>V lev\u00e9m bo\u010dn\u00edm panelu klikn\u011bte na polo\u017eku &#8222;Pluginy&#8220;. Otev\u0159e se str\u00e1nka se seznamem plugin\u016f.<\/li>\n\n\n\n<li>Na str\u00e1nce se seznamem plugin\u016f klikn\u011bte na tla\u010d\u00edtko &#8222;P\u0159idat nov\u00fd&#8220; na vrchn\u00ed li\u0161t\u011b.<\/li>\n\n\n\n<li>Na str\u00e1nce s mo\u017enostmi pro p\u0159id\u00e1n\u00ed nov\u00e9ho pluginu vyberte z\u00e1lo\u017eku &#8222;Nahr\u00e1t plugin&#8220;.<\/li>\n\n\n\n<li>Klikn\u011bte na tla\u010d\u00edtko &#8222;Vybrat soubor&#8220; a vyberte ZIP soubor pluginu (wgpwpp.zip), kter\u00fd jste st\u00e1hli na za\u010d\u00e1tku. Pot\u00e9 klikn\u011bte na tla\u010d\u00edtko &#8222;Nahr\u00e1t&#8220;.<\/li>\n\n\n\n<li>Po \u00fasp\u011b\u0161n\u00e9m nahr\u00e1n\u00ed pluginu WordPress provede proces instalace. Po dokon\u010den\u00ed instalace uvid\u00edte zpr\u00e1vu o \u00fasp\u011b\u0161n\u00e9 instalaci.<\/li>\n\n\n\n<li>Po instalaci pluginu bude zobrazena mo\u017enost aktivace pluginu. Klikn\u011bte na odkaz &#8222;Aktivovat plugin&#8220;.<\/li>\n<\/ol>\n\n\n\n<p>Plugin WEDOS Global Protection V\u00e1m pom\u016f\u017ee ochr\u00e1nit WordPress p\u0159ed \u00fatoky (od mal\u00fdch a\u017e po ty velk\u00e9), p\u0159et\u011b\u017eov\u00e1n\u00edm a je\u0161t\u011b nasb\u00edr\u00e1te n\u011bjak\u00e9 SEO body za rychlost (zrychl\u00ed se odezva DNS po cel\u00e9m sv\u011bt\u011b, WEDOS Global Protection automaticky cachuje po cel\u00e9m sv\u011bt\u011b vybran\u00fd obsah).<\/p>\n\n\n\n<p>Za zp\u011btnou vazbu budeme r\u00e1di.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Testujeme HTTP\/3<\/h3>\n\n\n\n<p>Na jednom z reverzn\u00edch proxy jsme spustili testovac\u00ed provoz protokolu HTTP\/3.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/blog.wedos.cz\/wp-content\/uploads\/2023\/07\/20230704-testovani-http3.png\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" width=\"921\" height=\"927\" data-src=\"https:\/\/blog.wedos.cz\/wp-content\/uploads\/2023\/07\/20230704-testovani-http3.png\" alt=\"\" class=\"wp-image-154283 lazyload\" data-srcset=\"https:\/\/blog.wedos.com\/wp-content\/uploads\/2023\/07\/20230704-testovani-http3.png 921w, https:\/\/blog.wedos.com\/wp-content\/uploads\/2023\/07\/20230704-testovani-http3-298x300.png 298w, https:\/\/blog.wedos.com\/wp-content\/uploads\/2023\/07\/20230704-testovani-http3-150x150.png 150w, https:\/\/blog.wedos.com\/wp-content\/uploads\/2023\/07\/20230704-testovani-http3-768x773.png 768w, https:\/\/blog.wedos.com\/wp-content\/uploads\/2023\/07\/20230704-testovani-http3-100x100.png 100w\" data-sizes=\"(max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 921px; --smush-placeholder-aspect-ratio: 921\/927;\" \/><\/a><\/figure>\n\n\n\n<p>HTTP\/3 je nejnov\u011bj\u0161\u00ed verze protokolu HTTP, kter\u00fd je z\u00e1kladem pro p\u0159enos dat na internetu a d\u00edky n\u011bmu m\u016f\u017eete p\u0159istupovat na webov\u00e9 str\u00e1nky. <\/p>\n\n\n\n<p>D\u0159\u00edv\u011bj\u0161\u00ed verze HTTP (HTTP\/1 a HTTP\/2) vyu\u017e\u00edvaj\u00ed protokol TCP (Transmission Control Protocol) pro p\u0159enos paket\u016f. TCP je spolehliv\u00fd, proto\u017ee zaji\u0161\u0165uje, \u017ee v\u0161echny pakety doraz\u00ed na spr\u00e1vn\u00e9 m\u00edsto a v spr\u00e1vn\u00e9m po\u0159ad\u00ed. Ale m\u00e1 to tak\u00e9 nev\u00fdhody &#8211; pokud se jeden paket ztrat\u00ed nebo se zpozd\u00ed, v\u0161echny n\u00e1sleduj\u00edc\u00ed pakety mus\u00ed \u010dekat, dokud se ztracen\u00fd paket neobjev\u00ed. To se naz\u00fdv\u00e1 Head-of-line blocking (blokov\u00e1n\u00ed hlavy \u0159ady).<\/p>\n\n\n\n<p>HTTP\/3 m\u00edsto toho pou\u017e\u00edv\u00e1 nov\u011bj\u0161\u00ed protokol nazvan\u00fd QUIC, kter\u00fd byl navr\u017een tak, aby p\u0159ekonal probl\u00e9m Head-of-line blocking. QUIC pou\u017e\u00edv\u00e1 protokol UDP (User Datagram Protocol), kter\u00fd nevy\u017eaduje, aby pakety dorazily v ur\u010dit\u00e9m po\u0159ad\u00ed. To znamen\u00e1, \u017ee pokud se jeden paket ztrat\u00ed nebo zpozd\u00ed, ostatn\u00ed pakety mohou pokra\u010dovat bez \u010dek\u00e1n\u00ed.<\/p>\n\n\n\n<p>V\u00fdhody HTTP\/3 zahrnuj\u00ed:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Lep\u0161\u00ed v\u00fdkon v nestabiln\u00edch s\u00edt\u00edch<\/strong>: HTTP\/3 m\u016f\u017ee efektivn\u011bji p\u0159en\u00e1\u0161et data v s\u00edt\u00edch, kter\u00e9 jsou nestabiln\u00ed nebo maj\u00ed vysokou odezvu, jako je nap\u0159\u00edklad mobiln\u00ed internet. U z\u00e1kazn\u00edk\u016f s mobily v \u0161patn\u011b pokryt\u00fdch oblastech, ve vlaku atd. z\u00edsk\u00e1te konkuren\u010dn\u00ed v\u00fdhodu.<\/li>\n\n\n\n<li><strong>Rychlej\u0161\u00ed p\u0159ipojen\u00ed<\/strong>: QUIC umo\u017e\u0148uje rychlej\u0161\u00ed nastaven\u00ed nov\u00fdch spojen\u00ed, proto\u017ee je pot\u0159eba k nastaven\u00ed spojen\u00ed mezi klientem a serverem m\u00e9n\u011b kroku.<\/li>\n\n\n\n<li><strong>Zabezpe\u010den\u00ed je v\u00fdchoz\u00ed<\/strong>: QUIC vyu\u017e\u00edv\u00e1 \u0161ifrov\u00e1n\u00ed jako standard, co\u017e zlep\u0161uje zabezpe\u010den\u00ed dat.<\/li>\n\n\n\n<li><strong>\u017d\u00e1dn\u00e9 Head-of-line blocking<\/strong>: QUIC umo\u017e\u0148uje, aby pakety pokra\u010dovaly, ani\u017e by musely \u010dekat na ztracen\u00e9 nebo zpo\u017ed\u011bn\u00e9 pakety. To zlep\u0161uje rychlost a efektivitu p\u0159enosu dat.<\/li>\n<\/ul>\n\n\n\n<p>Modern\u00ed prohl\u00ed\u017ee\u010de u\u017e HTTP\/3 um\u00ed. Ov\u0161em star\u0161\u00ed mohou pou\u017e\u00edvat st\u00e1le HTTP\/2. A\u017e v\u0161e detailn\u011b otestujeme tak HTTP\/3 spust\u00edme pro v\u0161echny.<\/p>\n\n\n\n<p>HTTP\/3, IPv6 a dal\u0161\u00ed technologie, kter\u00e9 nab\u00edz\u00ed WEDOS Global nemus\u00ed podporovat v\u00e1\u0161 hosting a p\u0159esto je budete moct pou\u017e\u00edvat. <\/p>\n\n\n\n<p>Jak by takov\u00e1 komunikace bude vypadat?<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Po\u017eadavek od klienta:<\/strong> Klient (n\u00e1v\u0161t\u011bvn\u00edk) po\u0161le po\u017eadavek na webov\u00fd obsah pomoc\u00ed IPv6 a HTTP\/3. Toto spojen\u00ed je mezi klientem a reverzn\u00ed proxy WEDOS Global.<\/li>\n\n\n\n<li><strong>P\u0159eklad reverzn\u00ed proxy:<\/strong> Reverzn\u00ed proxy WEDOS Global p\u0159ijme tento po\u017eadavek a p\u0159elo\u017e\u00ed ho na form\u00e1t, kter\u00fd m\u016f\u017ee p\u0159ijmout v\u00e1\u0161 server &#8211; nap\u0159\u00edklad na HTTP\/2 a IPv4.<\/li>\n\n\n\n<li><strong>Po\u017eadavek k serveru:<\/strong> Reverzn\u00ed proxy WEDOS Global pot\u00e9 po\u0161le tento p\u0159elo\u017een\u00fd po\u017eadavek na v\u00e1\u0161 server\/hosting.<\/li>\n\n\n\n<li><strong>Odpov\u011b\u010f serveru:<\/strong> Server\/hosting zpracuje po\u017eadavek a po\u0161le odpov\u011b\u010f zp\u011bt na reverzn\u00ed proxy WEDOS Global pomoc\u00ed HTTP\/2 a IPv4.<\/li>\n\n\n\n<li><strong>P\u0159eklad a odesl\u00e1n\u00ed odpov\u011bdi:<\/strong> Reverzn\u00ed proxy WEDOS Global p\u0159ijme tuto odpov\u011b\u010f, p\u0159elo\u017e\u00ed ji zp\u011bt do HTTP\/3 a IPv6 a po\u0161le ji klientovi.<\/li>\n<\/ol>\n\n\n\n<p>D\u00edky tomuto procesu m\u016f\u017ee reverzn\u00ed proxy WEDOS Global slou\u017eit jako most mezi klienty, kte\u0159\u00ed pou\u017e\u00edvaj\u00ed modern\u00ed technologie jako HTTP\/3 a IPv6, a servery, kter\u00e9 je\u0161t\u011b nepodporuj\u00ed tyto technologie. To umo\u017e\u0148uje server\u016fm postupn\u011b p\u0159ech\u00e1zet na nov\u011bj\u0161\u00ed technologie bez nutnosti okam\u017eit\u00e9ho upgrade.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Statistik WEDOS Global Protection<\/h2>\n\n\n\n<p>N\u00e1sleduj\u00edc\u00ed statistiky jsou z reverzn\u00edch proxy server\u016f na jednotliv\u00fdch bodech, kter\u00e9 odbavuj\u00ed po\u017eadavky o\u010di\u0161t\u011bn\u00e9 od L3\/L4 DDoS \u00fatok\u016f. Popravd\u011b s L3\/L4 \u00fatoky se v posledn\u00edch m\u011bs\u00edc\u00edch u\u017e moc nesetk\u00e1v\u00e1me. D\u0159\u00edve jsme \u00fatoky 10 Gbps+ za\u017e\u00edvali n\u011bkolikr\u00e1t do t\u00fddne, v \u010dervnu byl jeden.<\/p>\n\n\n\n<div class=\"wp-block-media-text alignwide is-stacked-on-mobile is-vertically-aligned-center has-white-color has-vivid-cyan-blue-background-color has-text-color has-background\" style=\"grid-template-columns:20% auto\"><figure class=\"wp-block-media-text__media\"><img decoding=\"async\" width=\"385\" height=\"400\" data-src=\"https:\/\/blog.wedos.cz\/wp-content\/uploads\/2022\/12\/ladik-rbt-1.png\" alt=\"\" class=\"wp-image-123898 size-full lazyload\" data-srcset=\"https:\/\/blog.wedos.com\/wp-content\/uploads\/2022\/12\/ladik-rbt-1.png 385w, https:\/\/blog.wedos.com\/wp-content\/uploads\/2022\/12\/ladik-rbt-1-289x300.png 289w\" data-sizes=\"(max-width: 385px) 100vw, 385px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 385px; --smush-placeholder-aspect-ratio: 385\/400;\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<p><strong>Co jsou L3\/L4 \u00fatoky?<\/strong><\/p>\n\n\n\n<p>DDoS \u00fatoky na L3 a L4 vrstv\u011b se zam\u011b\u0159uj\u00ed na s\u00ed\u0165ovou a transportn\u00ed vrstvu a vyu\u017e\u00edvaj\u00ed r\u016fzn\u00e9 techniky, jak zahlcovat c\u00edlov\u00e9 servery nebo za\u0159\u00edzen\u00ed.<br><br>S\u00ed\u0165ov\u00e1 vrstva (L3) &#8211; zaji\u0161\u0165uje sm\u011brov\u00e1n\u00ed dat mezi r\u016fzn\u00fdmi s\u00edt\u011bmi pomoc\u00ed logick\u00fdch adres (IP).<br><br>Transportn\u00ed vrstva (L4) &#8211; zaji\u0161\u0165uje spolehliv\u00fd a \u0159\u00edzen\u00fd p\u0159enos dat mezi koncov\u00fdmi body pomoc\u00ed protokol\u016f jako TCP nebo UDP.<\/p>\n<\/div><\/div>\n\n\n\n<p>D\u00e1le jsou statistiky o\u010di\u0161t\u011bny o v\u0161echny po\u017eadavky, kter\u00e9 jdou ze server\u016f na na\u0161ich blacklistech. Blacklisty pou\u017e\u00edv\u00e1me pouze na IP adresy z kter\u00fdch jde v\u00fdhradn\u011b \u0161kodliv\u00fd provoz. Pokud se jedn\u00e1 o sm\u00ed\u0161en\u00fd provoz um\u00edme to &#8222;proprat&#8220; p\u0159es ochranu, kde se vyu\u017e\u00edv\u00e1 cookie + p\u0159esm\u011brov\u00e1n\u00ed p\u0159es JavaScript anebo Captcha.<\/p>\n\n\n\n<div class=\"wp-block-media-text alignwide is-stacked-on-mobile is-vertically-aligned-center has-white-color has-vivid-cyan-blue-background-color has-text-color has-background\" style=\"grid-template-columns:20% auto\"><figure class=\"wp-block-media-text__media\"><img decoding=\"async\" width=\"385\" height=\"400\" data-src=\"https:\/\/blog.wedos.cz\/wp-content\/uploads\/2022\/12\/ladik-rbt-1.png\" alt=\"\" class=\"wp-image-123898 size-full lazyload\" data-srcset=\"https:\/\/blog.wedos.com\/wp-content\/uploads\/2022\/12\/ladik-rbt-1.png 385w, https:\/\/blog.wedos.com\/wp-content\/uploads\/2022\/12\/ladik-rbt-1-289x300.png 289w\" data-sizes=\"(max-width: 385px) 100vw, 385px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 385px; --smush-placeholder-aspect-ratio: 385\/400;\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<p><strong>Jak pou\u017e\u00edv\u00e1 WEDOS blacklisty?<\/strong><\/p>\n\n\n\n<p>WEDOS vyu\u017e\u00edv\u00e1 \u0159adu blacklist\u016f, kter\u00e9 si tvo\u0159\u00edme sami anebo z\u00edsk\u00e1v\u00e1me od t\u0159et\u00edch stran (Udger, AbuseIPdb). <\/p>\n\n\n\n<p>Nejv\u00edce IP adres je na automaticky generovan\u00fdch blacklistech, kter\u00e9 se vytv\u00e1\u0159\u00ed algoritmy na z\u00e1klad\u011b anal\u00fdzy provozu v re\u00e1ln\u00e9m \u010dase. IP adresa zde m\u016f\u017ee b\u00fdt jednotky minut anebo i hodin. <\/p>\n\n\n\n<p>D\u00e1le m\u00e1me standardn\u00ed blacklisty, kter\u00e9 tvo\u0159\u00ed na\u0161i odborn\u00edci na kybernetickou bezpe\u010dnost v reakci na \u00fatoky anebo z anal\u00fdzy log\u016f. <\/p>\n<\/div><\/div>\n\n\n\n<p>D\u00e1le do p\u0159ehledu nejsou zahrnuty n\u011bkter\u00e9 po\u017eadavky, kter\u00e9 pou\u017e\u00edv\u00e1me pro monitorov\u00e1n\u00ed dostupnosti a fungov\u00e1n\u00ed jednotliv\u00fdch bod\u016f, aby statistiky nezkreslovaly.<\/p>\n\n\n\n<p>Ke konci \u010dervna po\u010det chr\u00e1n\u011bn\u00fdch dom\u00e9n WEDOS Global Protection narostl na <strong>3754 <\/strong>(+720). \u010c\u00e1st jsou dom\u00e9ny, kter\u00e9 p\u0159idala podpora kv\u016fli \u00fatok\u016fm anebo to jsou to n\u00e1ro\u010dn\u00e9 weby, kter\u00fdm v\u00fdrazn\u011b pom\u00e1h\u00e1 automatick\u00e1 cache na proxy serveru. Mimo n\u00e1s vyu\u017e\u00edv\u00e1 WEDOS Global Protection <strong>940 u\u017eivatel\u016f<\/strong> (+136).<\/p>\n\n\n\n<p>V kv\u011btnu bylo zaznamen\u00e1no celkem <strong>3&nbsp;387&nbsp;852&nbsp;458  po\u017eadavk\u016f (+26,43 %)<\/strong> z <strong>7&nbsp;730&nbsp;182  (-4,56 %) unik\u00e1tn\u00edch IP adres<\/strong>, kter\u00e9 sm\u011b\u0159ovaly na chr\u00e1n\u011bn\u00e9 dom\u00e9ny. V pr\u016fm\u011bru za den odbavily proxy servery <strong>112&nbsp;928&nbsp;415 po\u017eadavk\u016f<\/strong>.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/blog.wedos.cz\/wp-content\/uploads\/2023\/07\/20230703-wedos-global-cerven-body.png\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" width=\"1024\" height=\"467\" data-src=\"https:\/\/blog.wedos.cz\/wp-content\/uploads\/2023\/07\/20230703-wedos-global-cerven-body-1024x467.png\" alt=\"\" class=\"wp-image-156069 lazyload\" data-srcset=\"https:\/\/blog.wedos.com\/wp-content\/uploads\/2023\/07\/20230703-wedos-global-cerven-body-1024x467.png 1024w, https:\/\/blog.wedos.com\/wp-content\/uploads\/2023\/07\/20230703-wedos-global-cerven-body-300x137.png 300w, https:\/\/blog.wedos.com\/wp-content\/uploads\/2023\/07\/20230703-wedos-global-cerven-body-768x351.png 768w, https:\/\/blog.wedos.com\/wp-content\/uploads\/2023\/07\/20230703-wedos-global-cerven-body-1536x701.png 1536w, https:\/\/blog.wedos.com\/wp-content\/uploads\/2023\/07\/20230703-wedos-global-cerven-body.png 1781w\" data-sizes=\"(max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1024px; --smush-placeholder-aspect-ratio: 1024\/467;\" \/><\/a><figcaption class=\"wp-element-caption\">Denn\u00ed graf p\u0159\u00edstup\u016f na WEDOS Global za \u010derven, o\u010di\u0161t\u011bn\u00fdch od L3\/L4 a statistik.<\/figcaption><\/figure>\n\n\n\n<p>S t\u00edm jak se \u0161\u00ed\u0159\u00ed pov\u011bdom\u00ed o WEDOS Global, tak p\u0159ib\u00fdv\u00e1 i nov\u00fdch u\u017eivatel\u016f. Z\u00e1rove\u0148 ti co zkou\u0161\u00ed WEDOS Global, v\u011bt\u0161inou po \u00fasp\u011b\u0161n\u00e9m testov\u00e1n\u00ed p\u0159id\u00e1vaj\u00ed dal\u0161\u00ed dom\u00e9ny.<\/p>\n\n\n\n<p>V \u010dervnu ubylo velk\u00fdch DDoS \u00fatok\u016f p\u0159es aplika\u010dn\u00ed vrstvu (L7). Nutno podotknout, \u017ee jsme na z\u00e1klad\u011b dat p\u011bkn\u011b nakrmily blacklisty o napaden\u00e1 VPS t\u0159et\u00edch stran. Oboj\u00ed m\u011blo vliv na pokles unik\u00e1tn\u00edch IP adres (IPv4 a IPv6). <\/p>\n\n\n\n<div class=\"wp-block-media-text alignwide is-stacked-on-mobile is-vertically-aligned-center has-white-color has-vivid-cyan-blue-background-color has-text-color has-background\" style=\"grid-template-columns:20% auto\"><figure class=\"wp-block-media-text__media\"><img decoding=\"async\" width=\"385\" height=\"400\" data-src=\"https:\/\/blog.wedos.cz\/wp-content\/uploads\/2022\/12\/ladik-rbt-1.png\" alt=\"\" class=\"wp-image-123898 size-full lazyload\" data-srcset=\"https:\/\/blog.wedos.com\/wp-content\/uploads\/2022\/12\/ladik-rbt-1.png 385w, https:\/\/blog.wedos.com\/wp-content\/uploads\/2022\/12\/ladik-rbt-1-289x300.png 289w\" data-sizes=\"(max-width: 385px) 100vw, 385px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 385px; --smush-placeholder-aspect-ratio: 385\/400;\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<p><strong>Co je L7 DDoS \u00fatok?<\/strong><\/p>\n\n\n\n<p>L7 DDoS \u00fatok je typ kybernetick\u00fdch \u00fatok\u016f na web anebo aplikaci, kter\u00fd pou\u017e\u00edv\u00e1 b\u011b\u017en\u00e9 internetov\u00e9 po\u017eadavky jako GET a POST. C\u00edlem je zpomalit anebo znep\u0159\u00edstupnit webovou str\u00e1nku anebo t\u0159eba API. <\/p>\n\n\n\n<p>\u00datoky na L7 jsou obt\u00ed\u017en\u011b odhaliteln\u00e9 a odli\u0161iteln\u00e9 od norm\u00e1ln\u00edho provozu, proto\u017ee pou\u017e\u00edvaj\u00ed stejn\u00e9 protokoly a metody jako legitimn\u00ed u\u017eivatel\u00e9. K jejich eliminaci je pot\u0159eba pou\u017e\u00edt speci\u00e1ln\u00ed n\u00e1stroje a techniky a d\u016fkladnou anal\u00fdzu s\u00ed\u0165ov\u00e9ho provozu.<\/p>\n<\/div><\/div>\n\n\n\n<p>T\u00edm jak vylep\u0161ujeme algoritmy, kter\u00e9 d\u00e1vaj\u00ed do\u010dasn\u011b IP adresy na blacklisty, tak kles\u00e1 po\u010det po\u017eadavk\u016f, kter\u00e9 mus\u00edme blokovat na reverzn\u00ed proxy (limity p\u0159\u00edstup\u016f, limity spojen\u00ed a webov\u00fd firewall). Sledujeme tak\u00e9, \u017ee \u00fato\u010dn\u00edci opravdu \u0161et\u0159\u00ed zdroje. Jakmile zjist\u00ed, \u017ee naraz\u00ed na ochranu u n\u00e1s, tak \u00fatok zastav\u00ed. V\u011bt\u0161ina \u00fatok\u016f tak trv\u00e1 ni\u017e\u0161\u00ed jednotky vte\u0159in, co\u017e je vzhledem k tomu, \u017ee mus\u00ed sesynchronizovat \u00fatok ze stovek a\u017e tis\u00edc IP adres v jeden okam\u017eik celkem fascinuj\u00edc\u00ed.<\/p>\n\n\n\n<p>Statistiky nud\u00edc\u00edch se ochran \ud83d\ude42<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>L7 DDoS &#8211; zachycen\u00fdch limitov\u00e1n\u00edm p\u0159\u00edstup\u016f (HTTP flood): <strong>3&nbsp;919&nbsp;589<\/strong><\/li>\n\n\n\n<li>L7 DDoS &#8211; zachycen\u00fdch probl\u00e9mov\u00fdch spojen\u00ed (Slowloris, Connection Exhaustion atd.): <strong>461&nbsp;070<\/strong><\/li>\n\n\n\n<li>Blokov\u00e1no pravidlem WAF: <strong>7&nbsp;937&nbsp;254<\/strong><\/li>\n\n\n\n<li>Dal\u0161\u00ed blokov\u00e1n\u00ed L7: <strong>6&nbsp;008&nbsp;263<\/strong><\/li>\n<\/ul>\n\n\n\n<p>Nutno podotknout, \u017ee tento z\u00e1chyt jsou v\u011bt\u0161inou prvn\u00ed pokusy. Jakmile n\u011bkdo rozjede t\u0159eba HTTP flood v tis\u00edc\u00edch po\u017eadavk\u016f za vte\u0159inu, tak u\u017e jde na blacklist, kde m\u016f\u017ee b\u00fdt p\u00e1r minut, des\u00edtky minut anebo i hodiny. P\u0159esn\u00fd \u010das ur\u010duj\u00ed algoritmy. <\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Nejsiln\u011bj\u0161\u00ed L7 DDoS \u00fatoky<\/h2>\n\n\n\n<p>\u010cerven byl od spu\u0161t\u011bn\u00ed WEDOS Global nejnudn\u011bj\u0161\u00ed. Bu\u010f \u00fato\u010dn\u00edci odjeli na dovolenou u\u017e\u00edvat si hezk\u00e9ho letn\u00edho po\u010das\u00ed anebo prost\u011b na n\u00e1s u\u017e ne\u00fato\u010d\u00ed a hledaj\u00ed si ob\u011bti jinde. Nezapome\u0148te \u017ee WEDOS Global Protection m\u016f\u017eete pou\u017e\u00edvat i kdy\u017e m\u00e1te hosting\/VPS u konkurence. Nen\u00ed t\u0159eba nic st\u011bhovat, sta\u010d\u00ed nasm\u011b\u0159ovat u dom\u00e9ny DNS. Viz. <a href=\"https:\/\/www.wedos.com\/cs\/protection\/prvni-pomoc-pri-utoku\/\" target=\"_blank\" rel=\"noopener\">Prvn\u00ed pomoc p\u0159i DDoS \u00fatoku<\/a>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u00fatok na web aplikace &#8211; \u0161pi\u010dka 911 tis\u00edc po\u017eadavk\u016f za minutu<\/h3>\n\n\n\n<p>Tento z\u00e1kazn\u00edk je pod \u00fatoky t\u00e9m\u011b\u0159 ka\u017ed\u00fd m\u011bs\u00edc. Jeho aplikace z\u0159ejm\u011b le\u017e\u00ed n\u011bkomu v \u017ealudku. V\u011bt\u0161inou jsou \u00fatoky na n\u011bj velice kr\u00e1tk\u00e9 (des\u00edtky vte\u0159in). Tentokr\u00e1t \u00fatok trval p\u0159es 3 minuty, tak\u017ee \u0161pi\u010dka byla 911 tis\u00edc po\u017eadavk\u016f za minutu. \u00datok co pro\u0161el na reverzn\u00ed proxy byl z 984 unik\u00e1tn\u00edch IP adres, co\u017e nen\u00ed m\u00e1lo. Nicm\u00e9n\u011b p\u0159edpokl\u00e1d\u00e1me \u017ee dal\u0161\u00ed stovky jsou na na\u0161ich blacklistech trvale.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/blog.wedos.cz\/wp-content\/uploads\/2023\/07\/20230629-utok-na-web-zakaznika.png\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" width=\"1024\" height=\"375\" data-src=\"https:\/\/blog.wedos.cz\/wp-content\/uploads\/2023\/07\/20230629-utok-na-web-zakaznika-1024x375.png\" alt=\"\" class=\"wp-image-156105 lazyload\" data-srcset=\"https:\/\/blog.wedos.com\/wp-content\/uploads\/2023\/07\/20230629-utok-na-web-zakaznika-1024x375.png 1024w, https:\/\/blog.wedos.com\/wp-content\/uploads\/2023\/07\/20230629-utok-na-web-zakaznika-300x110.png 300w, https:\/\/blog.wedos.com\/wp-content\/uploads\/2023\/07\/20230629-utok-na-web-zakaznika-768x281.png 768w, https:\/\/blog.wedos.com\/wp-content\/uploads\/2023\/07\/20230629-utok-na-web-zakaznika-1536x562.png 1536w, https:\/\/blog.wedos.com\/wp-content\/uploads\/2023\/07\/20230629-utok-na-web-zakaznika.png 1797w\" data-sizes=\"(max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1024px; --smush-placeholder-aspect-ratio: 1024\/375;\" \/><\/a><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u00fatok na multimedi\u00e1ln\u00ed web &#8211; \u0161pi\u010dka 190 tis\u00edc po\u017eadavk\u016f za minutu<\/h3>\n\n\n\n<p>Tento \u00fatok byl pom\u011brn\u011b zaj\u00edmav\u00fd t\u00edm, jak moc se sna\u017eil \u00fato\u010dn\u00edk prorazit ochranu. Sehnal pom\u011brn\u011b velk\u00e9 mno\u017estv\u00ed IP adres 2674 a z nich poslal ve t\u0159ech vln\u00e1ch 499 tis\u00edc po\u017eadavk\u016f, co\u017e bylo ve \u0161pi\u010dce n\u011bjak\u00fdch 190 tis\u00edc za minutu. B\u011b\u017en\u011b sp\u00ed\u0161e vid\u00edme \u00fatok hezky sesynchronizovan\u00fd, tak to \u0161lo postupn\u011b. \u00datok trval necel\u00e9 t\u0159i minuty, ne\u017e \u00fato\u010dn\u00edk pochopil, \u017ee to nem\u00e1 cenu.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/blog.wedos.cz\/wp-content\/uploads\/2023\/07\/20230608-utok-na-filmovy-web.png\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" width=\"1024\" height=\"375\" data-src=\"https:\/\/blog.wedos.cz\/wp-content\/uploads\/2023\/07\/20230608-utok-na-filmovy-web-1024x375.png\" alt=\"\" class=\"wp-image-156118 lazyload\" data-srcset=\"https:\/\/blog.wedos.com\/wp-content\/uploads\/2023\/07\/20230608-utok-na-filmovy-web-1024x375.png 1024w, https:\/\/blog.wedos.com\/wp-content\/uploads\/2023\/07\/20230608-utok-na-filmovy-web-300x110.png 300w, https:\/\/blog.wedos.com\/wp-content\/uploads\/2023\/07\/20230608-utok-na-filmovy-web-768x281.png 768w, https:\/\/blog.wedos.com\/wp-content\/uploads\/2023\/07\/20230608-utok-na-filmovy-web-1536x562.png 1536w, https:\/\/blog.wedos.com\/wp-content\/uploads\/2023\/07\/20230608-utok-na-filmovy-web.png 1789w\" data-sizes=\"(max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1024px; --smush-placeholder-aspect-ratio: 1024\/375;\" \/><\/a><\/figure>\n\n\n\n<p>\u017d\u00e1dn\u00fd dal\u0161\u00ed \u00fatok co do s\u00edly nebyly zaj\u00edmav\u00e9. <\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Bonus \u00fatok z 1 IP<\/h3>\n\n\n\n<p>Tento \u00fatok prob\u011bhl na jeden web \u0161koly. \u00datok \u0161el jen z 1 IP adresy (jednoho za\u0159\u00edzen\u00ed) a kr\u00e1sn\u011b demonstruje jak siln\u00fd m\u016f\u017ee takov\u00fd L7 DDoS \u00fatok b\u00fdt. Na grafu vid\u00edte, jak \u00fato\u010dn\u00edk dok\u00e1zal vygenerovat p\u0159es 1800 po\u017eadavk\u016f za vte\u0159inu. Ust\u00e1l by to v\u00e1\u0161 web? Proto\u017ee podobn\u00fd \u00fatok m\u016f\u017ee ud\u011blat kdokoliv t\u0159eba z mobilu. <\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/blog.wedos.cz\/wp-content\/uploads\/2023\/07\/20230624-maly-utok-na-skolu.png\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" width=\"1024\" height=\"401\" data-src=\"https:\/\/blog.wedos.cz\/wp-content\/uploads\/2023\/07\/20230624-maly-utok-na-skolu-1024x401.png\" alt=\"\" class=\"wp-image-157911 lazyload\" data-srcset=\"https:\/\/blog.wedos.com\/wp-content\/uploads\/2023\/07\/20230624-maly-utok-na-skolu-1024x401.png 1024w, https:\/\/blog.wedos.com\/wp-content\/uploads\/2023\/07\/20230624-maly-utok-na-skolu-300x118.png 300w, https:\/\/blog.wedos.com\/wp-content\/uploads\/2023\/07\/20230624-maly-utok-na-skolu-768x301.png 768w, https:\/\/blog.wedos.com\/wp-content\/uploads\/2023\/07\/20230624-maly-utok-na-skolu-1536x602.png 1536w, https:\/\/blog.wedos.com\/wp-content\/uploads\/2023\/07\/20230624-maly-utok-na-skolu.png 1692w\" data-sizes=\"(max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1024px; --smush-placeholder-aspect-ratio: 1024\/401;\" \/><\/a><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Z\u00e1v\u011br<\/h2>\n\n\n\n<p>Kdokoliv m\u016f\u017ee vyu\u017e\u00edvat WEDOS Global  Protection pro rychlej\u0161\u00ed na\u010d\u00edt\u00e1n\u00ed a ochranu sv\u00fdch web\u016f. Slu\u017ebu je mo\u017en\u00e9 pou\u017e\u00edvat bez nutnosti st\u011bhovat hardware anebo m\u011bnit poskytovatele webhostingu. Sta\u010d\u00ed nasm\u011b\u0159ovat dom\u00e9nu na DNS WEDOS Global a p\u0159idat dom\u00e9nu do <a href=\"https:\/\/client.wedos.global\/protection\/dashboard\" target=\"_blank\" rel=\"noopener\">administrace WEDOS Global Protection<\/a>. <\/p>\n","protected":false},"excerpt":{"rendered":"<p>V \u010dervnu jsme op\u011bt posunuli celou infrastrukturu WEDOS Global d\u00e1l. Zlep\u0161ila se odezva v \u0159ad\u011b zem\u00ed a p\u0159ibylo i p\u00e1r novinek, kter\u00e9 snad u\u017e brzy nasad\u00edme pro v\u0161echny. Samoz\u0159ejm\u011b nechyb\u011bly ani DDoS \u00fatoky, kter\u00e9 jsme \u00fasp\u011b\u0161n\u011b odfiltrovali. Zaj\u00edmav\u00e9 je, \u017ee i p\u0159es n\u00e1r\u016fst web\u016f pod ochranou WEDOS Global Protection, DDoS \u00fatok\u016f v \u010dervnu ubylo. Vypad\u00e1 &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/blog.wedos.com\/cs\/waf-report-z-wedos-global-protection-za-cerven-2023\" class=\"more-link\">Pokra\u010dovat ve \u010dten\u00ed<span class=\"screen-reader-text\"> &#8222;WAF report z WEDOS Global Protection za \u010derven 2023&#8220;<\/span><\/a><\/p>\n","protected":false},"author":9,"featured_media":154259,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[112],"tags":[204,203,122,200,186,177],"class_list":["post-154125","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bezpecnost","tag-cache","tag-cdn","tag-ddos","tag-waf","tag-wedos-global","tag-wedos-global-protection"],"_links":{"self":[{"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/posts\/154125","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\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/comments?post=154125"}],"version-history":[{"count":10,"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/posts\/154125\/revisions"}],"predecessor-version":[{"id":157921,"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/posts\/154125\/revisions\/157921"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/media\/154259"}],"wp:attachment":[{"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/media?parent=154125"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/categories?post=154125"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/tags?post=154125"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}