{"id":53339,"date":"2019-11-29T00:00:00","date_gmt":"2019-11-28T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/dozhivem-do-ponedelnika-ili-kak-perezhit-chyornuyu-pyatnitsu"},"modified":"2020-02-18T14:01:14","modified_gmt":"2020-02-18T11:01:14","slug":"dozhivem-do-ponedelnika-ili-kak-perezhit-chyornuyu-pyatnitsu","status":"publish","type":"post","link":"https:\/\/prohoster.info\/ro\/blog\/administrirovanie\/dozhivem-do-ponedelnika-ili-kak-perezhit-chyornuyu-pyatnitsu","title":{"rendered":"Vom supravie\u021bui p\u00e2n\u0103 luni sau cum s\u0103 supravie\u021buim vinerii negre","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

M\u00e2ine este \"Vinerea Neagr\u0103\" \u2014 pentru proiectele online, aceasta \u00eenseamn\u0103 c\u0103 vor exista \u00eenc\u0103rc\u0103ri maxime pe site. Chiar \u0219i gigantii, de exemplu, s-a \u00eent\u00e2mplat<\/a><\/noindex> cu Amazon \u00een Prime Day \u00een 2017.\u00a0<\/p>\n

\"Vom<\/a><\/noindex><\/p>\n

Am decis s\u0103 oferim c\u00e2teva exemple simple de operare cu un server virtual, pentru a evita erorile \u0219i a nu ne \u00eent\u00e2lni cu pagina 503 sau, \u0219i mai r\u0103u, About:blank \u0219i ERR_CONNECTION_TIMED_OUT. Mai este o zi pentru a ne preg\u0103ti.
\n<\/a><\/noindex><\/p>\n

Scalarea resurselor<\/h2>\n

\nUn site web const\u0103, de obicei, din diferite module \u2014 baze de date, servere web, sisteme de caching. Fiecare dintre aceste module necesit\u0103 diferite tipuri \u0219i volume de resurse. Este necesar s\u0103 se efectueze o analiz\u0103 prealabil\u0103 a volumului de resurse consumate prin teste de stres \u0219i s\u0103 se evalueze viteza de citire \u0219i scriere a discurilor, timpul procesorului, memoria, l\u0103\u021bimea de band\u0103 a internetului pentru site-ul dvs.<\/p>\n

Teste de stres vor ajuta la identificarea punctelor slabe ale sistemului dvs. \u0219i la scalarea lor \u00een avans. De exemplu, pute\u021bi \u00eembun\u0103t\u0103\u021bi puterea serverului dvs. prin cre\u0219terea spa\u021biului pe hard disk pentru perioada de campanie, extinde l\u0103\u021bimea de band\u0103 a site-ului sau cre\u0219te memoria RAM a serverului virtual. Dup\u0103 campanie, pute\u021bi s\u0103 readuce\u021bi totul la starea ini\u021bial\u0103, ceea ce se face \u00een contul personal f\u0103r\u0103 a apela la suport tehnic \u0219i dureaz\u0103 doar c\u00e2teva minute, dar este mai bine s\u0103 face\u021bi acest lucru din timp \u0219i \u00een orele de activitate minim\u0103 a clien\u021bilor pe site.<\/p>\n

Protejeaz\u0103-te \u00een avans \u00eempotriva atacurilor DDoS<\/h2>\n

\nSite-urile web \u00een zilele de reduceri cedeaz\u0103 nu doar din cauza cre\u0219terii fluxului de clien\u021bi, ci \u0219i din cauza atacurilor DDoS. Acestea pot fi organizate de infractori care doresc s\u0103 redirec\u021bioneze traficul dvs. c\u0103tre resursele lor de phishing.\u00a0<\/p>\n

Atacurile DDoS devin din ce \u00een ce mai sofisticate. Hackerii utilizeaz\u0103 diverse abord\u0103ri, recurg\u00e2nd simultan la atacuri DDoS \u0219i atacuri pe vulnerabilit\u0103\u021bile aplica\u021biilor. \u00cen cele mai multe cazuri, atacurile sunt \u00eenso\u021bite de \u00eencerc\u0103ri de a compromite site-ul.<\/p>\n

Este important s\u0103 v\u0103 preg\u0103ti\u021bi din timp \u0219i s\u0103 conecta\u021bi un IP protejat la serverul dumneavoastr\u0103. La UltraVDS, ne protej\u0103m serverele nu doar \u00een momentul atacului, ci constant, rezist\u00e2nd stabil la atacuri de p\u00e2n\u0103 la 1.5 Tbps! Pentru a proteja serverele de atacuri DDoS, se aplic\u0103 o serie de filtre conectate la canalul internet cu o l\u0103\u021bime de band\u0103 suficient de mare. Filtrele analizeaz\u0103 secven\u021bial traficul de internet, identific\u00e2nd anomaliile \u0219i activitatea de re\u021bea neobi\u0219nuit\u0103. Printre modelele de trafic neobi\u0219nuit analizate se num\u0103r\u0103 toate metodele de atac cunoscute p\u00e2n\u0103 \u00een prezent, inclusiv cele realizate prin re\u021bele de bot distribuite.<\/p>\n

Pentru a conecta o adres\u0103 protejat\u0103 la serverul virtual, este necesar s\u0103 trimite\u021bi o cerere echipei de suport a furnizorului din timp.<\/p>\n

Accelerarea \u00eenc\u0103rc\u0103rii site-ului<\/h2>\n

\n\u00cen perioadele de promovare, sarcina pe servere cre\u0219te, iar pe site-uri fotografiile \u0219i cardurile de produse \u00eencep s\u0103 se \u00eencarce lent. De asemenea, \u00eenc\u0103rcarea paginilor este influen\u021bat\u0103 de diverse cadre, biblioteci JS, module CSS \u0219i a\u0219a mai departe. Un client poten\u021bial poate p\u0103r\u0103si pagina f\u0103r\u0103 a primi un r\u0103spuns de la site, chiar \u0219i \u00een cazul unei oferte mai atractive dec\u00e2t cea a concuren\u021bei. Pentru a verifica viteza de \u00eenc\u0103rcare a paginilor, v\u0103 suger\u0103m s\u0103 folosi\u021bi Google DevTools.<\/p>\n

O re\u021bea de livrare a con\u021binutului (Content Delivery Network, CDN) poate ajuta la accelerarea \u00eenc\u0103rc\u0103rii paginilor. CDN este o re\u021bea distribuit\u0103 geografic, format\u0103 din noduri de cache \u2014 puncte de prezen\u021b\u0103, care pot fi situate \u00een \u00eentreaga lume. C\u00e2nd un client acceseaz\u0103 site-ul, acesta va primi con\u021binutul static nu de la serverul dumneavoastr\u0103, ci de la cel care face parte din re\u021beaua CDN \u0219i care se afl\u0103 mai aproape de el. Datorit\u0103 rutei scurtate \u00eentre server \u0219i client, datele de pe site se \u00eencarc\u0103 mai repede.<\/p>\n

Re\u021beaua CDN poate fi configurat\u0103 de unul singur, dac\u0103 ave\u021bi un VDS pe Windows Server Core 2019, folosind instrumentele \u00eencorporate \u00een sistemul de operare, cum ar fi: Active Directory, DFS, IIS, WinAcme, RSAT. De asemenea, se pot utiliza solu\u021bii gata f\u0103cute, de exemplu, CDN de la Cloudflare ar putea rezolva sarcina mult mai repede \u0219i mai ieftin. \u00cen plus, acest sistem ofer\u0103 oportunit\u0103\u021bi suplimentare: DNS, comprimarea HTML, CSS, JS, numeroase puncte de prezen\u021b\u0103.<\/p>\n

V\u0103 dorim v\u00e2nz\u0103ri de succes.<\/p>\n

Black Friday la UltraVDS<\/h2>\n

\nDe asemenea, nu am trecut cu vederea discounturile tradi\u021bionale din aceast\u0103 zi \u0219i oferim utilizatorilor Habr un cod promo\u021bional BlackFr<\/b> cu o reducere de 15% la toate serverele noastre virtuale \u00eentre 28 noiembrie \u0219i 2 decembrie inclusiv.<\/p>\n

De exemplu, VDS<\/a><\/noindex> serverul \u00een planul UltraLight cu 1 nucleu CPU, 500MB RAM \u0219i 10GB spa\u021biu pe disc sub administrarea Windows Server Core 2019 poate fi achizi\u021bionat cu codul promo\u021bional BlackFr<\/b> cu o reducere suplimentar\u0103 de 30% pe an, pentru doar 55 de lei pe lun\u0103, astfel reducerea total\u0103 va fi de 45% din pre\u021bul curent.<\/p>\n

UltraVDS<\/a><\/noindex> \u2014 un furnizor de cloud modern, cu care colaboreaz\u0103 sute de organiza\u021bii mari, inclusiv b\u0103nci cunoscute, brokeri de burs\u0103, companii de construc\u021bii \u0219i farmaceutice.\u00a0<\/p>\n

\"Vom<\/a><\/noindex>
\n
Sursa: habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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