{"id":41979,"date":"2017-09-13T00:00:00","date_gmt":"2017-09-12T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/zashhita-serverov-ot-botov-i-nesanktsionirovannogo-dostupa"},"modified":"2020-02-18T13:44:45","modified_gmt":"2020-02-18T10:44:45","slug":"zashhita-serverov-ot-botov-i-nesanktsionirovannogo-dostupa","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/zashhita-ot-ddos-atak\/zashhita-serverov-ot-botov-i-nesanktsionirovannogo-dostupa","title":{"rendered":"Szerverek v\u00e9delme a botok \u00e9s jogosulatlan hozz\u00e1f\u00e9r\u00e9s ellen","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Statisztik\u00e1k szerint az elm\u00falt \u00e9vben a weboldalak k\u00f6r\u00fclbel\u00fcl fele legal\u00e1bb egyszer DDoS-t\u00e1mad\u00e1st szenvedett el. \u00cdgy ezek k\u00f6z\u00f6tt nem csup\u00e1n gyenge l\u00e1togatotts\u00e1g\u00fa kezd\u0151 blogok tal\u00e1lhat\u00f3k, hanem komoly elektronikus kereskedelmi oldalak vagy k\u00f6zv\u00e9lem\u00e9nyt form\u00e1l\u00f3 forr\u00e1sok is. Ha nem v\u00e9di meg a szerver\u00e9t a botokt\u00f3l \u00e9s az enged\u00e9ly n\u00e9lk\u00fcli hozz\u00e1f\u00e9r\u00e9sekt\u0151l, komoly vesztes\u00e9gekre \u00e9s ak\u00e1r a v\u00e1llalkoz\u00e1s megsz\u0171n\u00e9s\u00e9re is sz\u00e1m\u00edthat. ProHoster<\/a> javasolja, hogy v\u00e9dje meg magasan terhelt projektj\u00e9t a k\u00e1ros t\u00e1mad\u00e1sok ellen.<\/p>\n

A DDoS-t\u00e1mad\u00e1s egy hacker \u00e1ltal v\u00e9grehajtott t\u00e1mad\u00e1s a rendszer ellen. C\u00e9lja, hogy a rendszert le\u00e1ll\u00edtsa. A t\u00e1mad\u00f3k rengeteg adatot k\u00fcldenek a weboldalra, amit a szerver feldolgoz, majd lefagy. Ezek lehetnek titkos\u00edtott kapcsolatok, nagyobb vagy hi\u00e1nyos adatcsomagok k\u00fcl\u00f6nb\u00f6z\u0151 IP-c\u00edmek<\/a>. A botnet sz\u00e1m\u00edt\u00f3g\u00e9peinek sz\u00e1ma ak\u00e1r t\u00edz- \u00e9s sz\u00e1zezrekre is r\u00faghat. Egy katona nem katona \u2013 egyed\u00fcl harcolni egy ilyen hadsereg ellen egyszer\u0171en lehetetlen.<\/p>\n

Az ilyen cselekedetek m\u00f6g\u00f6tt k\u00fcl\u00f6nb\u00f6z\u0151 motiv\u00e1ci\u00f3k h\u00faz\u00f3dhatnak \u2013 irigys\u00e9g, a versenyt\u00e1rsak megrendel\u00e9se, politikai harc, \u00f6n\u00e9rv\u00e9nyes\u00edt\u00e9s vagy gyakorl\u00e1s. Egy azonban biztos \u2013 sz\u00fcks\u00e9g van v\u00e9delemre. A legjobb v\u00e9delem pedig az, ha egy hosztingc\u00e9gt\u0151l megrendeli a \u201eSzerver DDoS-t\u00e1mad\u00e1sok ellen\u201d szolg\u00e1ltat\u00e1st.<\/p>\n

\u00c9vr\u0151l \u00e9vre egyre k\u00f6nnyebb \u00e9s olcs\u00f3bb DDoS-t\u00e1mad\u00e1sokat v\u00e9grehajtani. A t\u00e1mad\u00f3k eszk\u00f6zei fejl\u0151dnek, a megszervez\u00e9s\u00fck szintje pedig m\u00e9g a tapasztalt szakembereket is megd\u00f6bbenti. A di\u00e1kok cs\u00ednytev\u00e9sei fokozatosan komoly b\u0171ncselekm\u00e9nyekk\u00e9 v\u00e1lik, alapos el\u0151k\u00e9sz\u00edt\u00e9ssel. Ez egy m\u00f3dszer a rendszer le\u00e1ll\u00edt\u00e1s\u00e1ra, jogilag bizony\u00edthat\u00f3 nyomok n\u00e9lk\u00fcl. Nem meglep\u0151, hogy ezek a t\u00e1mad\u00e1sok \u00e9vr\u0151l \u00e9vre egyre n\u00e9pszer\u0171bb\u00e9 v\u00e1lnak.<\/p>\n

\"\"<\/p>\n

Szerverek v\u00e9delme a t\u00e1mad\u00e1sok ellen<\/h2>\n

Fontos megjegyezni, hogy a DDoS-t\u00e1mad\u00e1sok t\u00falnyom\u00f3 t\u00f6bbs\u00e9g\u00e9t j\u00f3l szervezett hackercsoportok hajtj\u00e1k v\u00e9gre. De intelligens bot-tiszt\u00edt\u00f3 h\u00e1l\u00f3zataink sz\u0171r\u0151i lehet\u0151v\u00e9 teszik a k\u00e1ros forgalom 90%-\u00e1nak kisz\u0171r\u00e9s\u00e9t, \u00e9s jelent\u0151sen cs\u00f6kkentik a szerver terhel\u00e9s\u00e9t. Ez a felh\u0151alap\u00fa technol\u00f3gi\u00e1k alkalmaz\u00e1s\u00e1nak k\u00f6sz\u00f6nhet\u0151. A forgalomsz\u0171r\u0151 h\u00e1l\u00f3zat er\u0151s routerekb\u0151l \u00e9s munkag\u00e9pekb\u0151l \u00e1ll, amelyek elfogj\u00e1k a forgalmat, egyenletesen elosztj\u00e1k egym\u00e1s k\u00f6z\u00f6tt, sz\u0171rik \u00e9s visszak\u00fcldik a szerverre. A v\u00e9gfelhaszn\u00e1l\u00f3 sz\u00e1m\u00e1ra ez csak kis k\u00e9s\u00e9st jelent a bet\u00f6lt\u00e9si sebess\u00e9gben, de legal\u00e1bb \u00e9lvezheti az oldalt.<\/p>\n

10 GBit\/s-ig terjed\u0151 gyenge t\u00e1mad\u00e1sok<\/strong> a webt\u00e1rhely alapcsomagj\u00e1ba tartoznak. Ez azt jelenti, hogy ezeket tapasztalatlan felhaszn\u00e1l\u00f3k hajtj\u00e1k v\u00e9gre, \u00e9s nem okoznak jelent\u0151s k\u00e1rt. De ha a t\u00e1mad\u00e1s komolyabb, mindenk\u00e9ppen k\u00fcls\u0151 forr\u00e1sokat kell ig\u00e9nybe venni.<\/p>\n

Megv\u00e9dj\u00fck az \u00d6n er\u0151forr\u00e1sait a DDoS, SQL\/SSI Injection, Brute Force, Cross-site Scripting, XSS, Buffer Overflow, Directory Indexing t\u00e1mad\u00e1sokt\u00f3l a WAF (Web Applications Firewall) alkalmaz\u00e1s\u00e1val. A DDoS-t\u00e1mad\u00e1s okozta k\u00e1r a v\u00e1llalkoz\u00e1soknak s\u00falyosabb k\u00f6vetkezm\u00e9nyekkel j\u00e1r, mint a legdr\u00e1g\u00e1bb v\u00e9delmi csomag \u00e1ra. L\u00e9pjen kapcsolatba a ProHoster c\u00e9ggel<\/a> m\u00e1r most, \u00e9s mi sebezhetetlenn\u00e9 tessz\u00fck az \u00d6n \u00fczlet\u00e9t az interneten.<\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0415\u0441\u043b\u0438 \u0432\u0435\u0440\u0438\u0442\u044c \u0441\u0442\u0430\u0442\u0438\u0441\u0442\u0438\u043a\u0435, \u043e\u043a\u043e\u043b\u043e \u043f\u043e\u043b\u043e\u0432\u0438\u043d\u044b \u0441\u0430\u0439\u0442\u043e\u0432 \u0437\u0430 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0438\u0439 \u0433\u043e\u0434 \u0445\u043e\u0442\u044f \u0431\u044b \u043e\u0434\u043d\u0430\u0436\u0434\u044b \u043f\u043e\u0434\u0432\u0435\u0440\u0433\u0430\u043b\u0438\u0441\u044c DDoS-\u0430\u0442\u0430\u043a\u0435. \u041f\u0440\u0438\u0447\u0451\u043c \u0432 \u044d\u0442\u0443 \u043f\u043e\u043b\u043e\u0432\u0438\u043d\u0443 \u0432\u0445\u043e\u0434\u044f\u0442 \u043d\u0435 \u0441\u043b\u0430\u0431\u043e\u043f\u043e\u0441\u0435\u0449\u0430\u0435\u043c\u044b\u0435 \u0431\u043b\u043e\u0433\u0438 \u043d\u043e\u0432\u0438\u0447\u043a\u043e\u0432, \u0430 \u0441\u0435\u0440\u044c\u0451\u0437\u043d\u044b\u0435 \u0441\u0430\u0439\u0442\u044b \u044d\u043b\u0435\u043a\u0442\u0440\u043e\u043d\u043d\u043e\u0439 \u043a\u043e\u043c\u043c\u0435\u0440\u0446\u0438\u0438 \u0438\u043b\u0438 \u0440\u0435\u0441\u0443\u0440\u0441\u044b, \u0444\u043e\u0440\u043c\u0438\u0440\u0443\u044e\u0449\u0438\u0435 \u043e\u0431\u0449\u0435\u0441\u0442\u0432\u0435\u043d\u043d\u043e\u0435 \u043c\u043d\u0435\u043d\u0438\u0435. \u0415\u0441\u043b\u0438 \u043d\u0435 \u0431\u0443\u0434\u0435\u0442 \u0437\u0430\u0449\u0438\u0442\u044b \u0441\u0435\u0440\u0432\u0435\u0440\u043e\u0432 \u043e\u0442 \u0431\u043e\u0442\u043e\u0432 \u0438 \u043d\u0435\u0441\u0430\u043d\u043a\u0446\u0438\u043e\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0433\u043e \u0434\u043e\u0441\u0442\u0443\u043f\u0430 \u2013 \u0436\u0434\u0438\u0442\u0435 \u0441\u0435\u0440\u044c\u0451\u0437\u043d\u044b\u0445 \u0443\u0431\u044b\u0442\u043a\u043e\u0432, \u0430 \u0442\u043e \u0438 \u043f\u0440\u0435\u043a\u0440\u0430\u0449\u0435\u043d\u0438\u044f \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u043e\u0432\u0430\u043d\u0438\u044f \u0431\u0438\u0437\u043d\u0435\u0441\u0430. \u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f ProHoster […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":41980,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[698],"tags":[],"class_list":["post-41979","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-zashhita-ot-ddos-atak"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47 V\u00e9dje meg szervereit a botokt\u00f3l, jogosulatlan hozz\u00e1f\u00e9r\u00e9st\u0151l, v\u00edrusokt\u00f3l \u00e9s h\u00e1l\u00f3zati t\u00e1mad\u00e1sokt\u00f3l | ProHoster","description":"Ha 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