{"id":41981,"date":"2017-09-13T00:00:00","date_gmt":"2017-09-12T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/kak-zashhitit-server-ot-ddos-atak"},"modified":"2020-02-18T13:44:45","modified_gmt":"2020-02-18T10:44:45","slug":"kak-zashhitit-server-ot-ddos-atak","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/zashhita-ot-ddos-atak\/kak-zashhitit-server-ot-ddos-atak","title":{"rendered":"Come proteggere un server dagli attacchi DDoS?","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Considerando il fatto che gli attacchi DDoS si verificano sempre pi\u00f9 frequentemente ogni giorno, \u00e8 necessario esaminare questa questione pi\u00f9 da vicino. Il DDoS \u00e8 un modo per attaccare un sito al fine di bloccare l'accesso ai veri utenti. Ad esempio, se un sito bancario \u00e8 progettato per servire 2000 persone contemporaneamente, un hacker invia al server di hosting 20.000 pacchetti al secondo. \u00c8 ovvio che la connessione si sovraccaricher\u00e0 e il sito della banca smetter\u00e0 di servire i clienti. Pertanto, si pone la domanda: \u00ab<a rel=\"nofollow\" href=\"\/it\/zhashchita-ot-ddos\/\">Come proteggere il server dagli attacchi DDoS<\/a>?\u00bb.<\/p>\n<p>Per iniziare, \u00e8 fondamentale comprendere che per portare a termine un attacco con successo sono necessarie enormi capacit\u00e0 di calcolo. Infatti, un computer normale, cos\u00ec come la connessione del provider dell'hacker, non sar\u00e0 in grado di sopportare da solo il carico. A questo scopo viene utilizzata una botnet: una rete di computer compromessi che eseguono l'attacco. Attualmente, le reti IoT \u2013 Internet delle cose \u2013 sono spesso coinvolte negli attacchi. Questi includono sistemi di \"Smart Home\" \u2013 dispositivi connessi a internet. Sistemi di allerta, videosorveglianza, ventilazione e molto altro.<\/p>\n<p>Pertanto, \u00e8 importante capire che \u00e8 praticamente impossibile respingere un serio attacco DDoS da soli. L'hardware di rete, cos\u00ec come il server stesso, non resister\u00e0 alla potenza di questo attacco, non avr\u00e0 il tempo di filtrare il traffico e \"croller\u00e0\". E nel frattempo, i veri utenti non saranno in grado di accedere al sito, danneggiando la reputazione commerciale dell'azienda che non riesce nemmeno a garantire il funzionamento del proprio sito.<\/p>\n<p>E non \u00e8 tutto. I motori di ricerca, preoccupati per l'assenza del sito nell'indice, ne abbasseranno le posizioni nei risultati di ricerca. Potrebbe volerci fino a un mese per ripristinare le posizioni originali. E per le grandi aziende, questo \u00e8 equivalente a una condanna a morte. Ci\u00f2 significa grandi perdite o addirittura bancarotta. Pertanto, non bisogna trascurare la protezione contro gli attacchi DDoS.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-5184\" src=\"https:\/\/prohoster.info\/wp-content\/uploads\/2017\/09\/kak-zashchitit-server-ot-ddos-atak.png\" alt=\"\" width=\"654\" height=\"352\" \/><\/p>\n<p>Esistono 4 metodi di protezione contro gli attacchi DDoS:<\/p>\n<ul style=\"list-style-image: url('https:\/\/prohoster.info\/wp-content\/uploads\/check\/check_server.png');\">\n<li><strong>Protezione autonoma.<\/strong> Scrivere script o utilizzare un firewall. Metodo molto poco efficace, potrebbe funzionare solo contro attacchi di piccole reti fino a 10 macchine. Ha smesso di funzionare all'inizio degli anni 2000.<\/li>\n<li><strong>Attrezzature specializzate.<\/strong> Dispositivi distribuiti di fronte <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/it\/server\/dts-dusseldorf\/\"   title=\"server\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3418\">server<\/a> e router, filtrando il traffico in ingresso. Questo metodo ha 2 svantaggi. In primo luogo, \u00e8 necessario un personale altamente qualificato e costoso per la loro manutenzione. In secondo luogo, hanno una capacit\u00e0 limitata. Se l'attacco \u00e8 particolarmente potente, si bloccheranno e non riusciranno a gestire il carico.<\/li>\n<li><strong>Protezione del fornitore.<\/strong> Purtroppo, per affrontare gli attacchi DDoS pi\u00f9 recenti, il fornitore deve acquistare attrezzature costose. Molti fornitori cercano di offrire i propri servizi al prezzo pi\u00f9 basso possibile, quindi non sono in grado di garantire una protezione affidabile contro attacchi DDoS gravi. Una soluzione parziale \u00e8 rappresentata da alcuni fornitori che, in caso di attacco, difendono insieme.<\/li>\n<li><strong>Il servizio di protezione server dagli attacchi DDoS di ProHoster.<\/strong> Poich\u00e9 la maggior parte delle attrezzature si trova nei Paesi Bassi, utilizziamo la pi\u00f9 grande rete europea di pulizia del traffico da bot, conosciuta anche come cloud di protezione DDoS. Questa rete ha gi\u00e0 avuto esperienza nel contrastare attacchi con una potenza di 600 Gbit\/s.<\/li>\n<\/ul>\n<p>Se desideri proteggere il tuo server dagli attacchi DDoS \u2013 <a rel=\"nofollow\" href=\"\/it\/zhashchita-ot-ddos\/\">scrivi al supporto tecnico<\/a> ProHoster gi\u00e0 oggi. Rendi il tuo sito accessibile in qualsiasi momento!<\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0411\u0435\u0440\u044f \u0432\u043e \u0432\u043d\u0438\u043c\u0430\u043d\u0438\u0435 \u0442\u043e\u0442 \u0444\u0430\u043a\u0442, \u0447\u0442\u043e DDoS-\u0430\u0442\u0430\u043a\u0438 \u0441 \u043a\u0430\u0436\u0434\u044b\u0439 \u0434\u043d\u0451\u043c \u0432\u0441\u0442\u0440\u0435\u0447\u0430\u044e\u0442\u0441\u044f \u0432\u0441\u0451 \u0447\u0430\u0449\u0435 \u0438 \u0447\u0430\u0449\u0435, \u043d\u0443\u0436\u043d\u043e \u0440\u0430\u0441\u0441\u043c\u043e\u0442\u0440\u0435\u0442\u044c \u044d\u0442\u043e\u0442 \u0432\u043e\u043f\u0440\u043e\u0441 \u043f\u043e\u0434\u0440\u043e\u0431\u043d\u0435\u0435. DDoS \u2013 \u044d\u0442\u043e \u0442\u0430\u043a\u043e\u0439 \u0441\u043f\u043e\u0441\u043e\u0431 \u043d\u0430\u043f\u0430\u0434\u0435\u043d\u0438\u044f \u043d\u0430 \u0441\u0430\u0439\u0442, \u0447\u0442\u043e\u0431 \u043f\u0435\u0440\u0435\u043a\u0440\u044b\u0442\u044c \u0434\u043e\u0441\u0442\u0443\u043f \u043a \u043d\u0435\u043c\u0443 \u0440\u0435\u0430\u043b\u044c\u043d\u044b\u0445 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0435\u0439. \u041d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u0435\u0441\u043b\u0438 \u0441\u0430\u0439\u0442 \u0431\u0430\u043d\u043a\u0430 \u0440\u0430\u0441\u0441\u0447\u0438\u0442\u0430\u043d \u043d\u0430 \u043e\u0431\u0441\u043b\u0443\u0436\u0438\u0432\u0430\u043d\u0438\u0435 2000 \u0447\u0435\u043b\u043e\u0432\u0435\u043a \u043e\u0434\u043d\u043e\u0432\u0440\u0435\u043c\u0435\u043d\u043d\u043e, \u0445\u0430\u043a\u0435\u0440 \u043f\u043e\u0441\u044b\u043b\u0430\u0435\u0442 \u043d\u0430 \u0441\u0435\u0440\u0432\u0435\u0440 \u043e\u0431\u0441\u043b\u0443\u0436\u0438\u0432\u0430\u043d\u0438\u044f 20\u00a0000 \u043f\u0430\u043a\u0435\u0442\u043e\u0432 \u0432 \u0441\u0435\u043a\u0443\u043d\u0434\u0443. \u0415\u0441\u0442\u0435\u0441\u0442\u0432\u0435\u043d\u043d\u043e, [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":41982,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[698],"tags":[],"class_list":["post-41981","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-zashhita-ot-ddos-atak"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0411\u0435\u0440\u044f \u0432\u043e \u0432\u043d\u0438\u043c\u0430\u043d\u0438\u0435 \u0442\u043e\u0442 \u0444\u0430\u043a\u0442, \u0447\u0442\u043e DDoS-\u0430\u0442\u0430\u043a\u0438 \u0441 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