{"id":92230,"date":"2020-08-24T19:42:19","date_gmt":"2020-08-24T17:42:19","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/pochti-polovina-trafika-na-kornevye-dns-servery-vyzvana-aktivnostyu-chromium"},"modified":"2020-08-24T19:42:19","modified_gmt":"2020-08-24T17:42:19","slug":"pochti-polovina-trafika-na-kornevye-dns-servery-vyzvana-aktivnostyu-chromium","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sq\/blog\/news\/pochti-polovina-trafika-na-kornevye-dns-servery-vyzvana-aktivnostyu-chromium","title":{"rendered":"Gati gjysma e trafik\u00ebve n\u00eb server\u00ebt rr\u00ebnjor\u00eb DNS shkaktohet nga aktiviteti i Chromium","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Regjistruesi APNIC, p\u00ebrgjegj\u00ebs p\u00ebr shp\u00ebrndarjen e IP-ve n\u00eb rajonin Azi-Paq\u00ebsor, publikoi<\/a><\/noindex> rezultatet e analiz\u00ebs s\u00eb shp\u00ebrndarjes s\u00eb trafikut n\u00eb nj\u00eb nga serverat themelor\u00eb DNS a.root-servers.net. 45.80% e k\u00ebrkesave n\u00eb serverin themelor ishin t\u00eb lidhura me kontrollet q\u00eb kryhen nga shfletuesit e bazuar n\u00eb motorin Chromium. K\u00ebshtu, pothuajse gjysma e burimeve t\u00eb server\u00ebve themelor\u00eb DNS shkon n\u00eb kryerjen e kontrollit diagnostik t\u00eb Chromium-it, dhe jo n\u00eb p\u00ebrpunimin e k\u00ebrkesave nga server\u00ebt DNS p\u00ebr p\u00ebrcaktimin e zonave themelore. Duke marr\u00eb parasysh se Chrome z\u00eb 70% t\u00eb tregut t\u00eb shfletuesve, nj\u00eb aktivitet i till\u00eb diagnostik rezulton n\u00eb d\u00ebrgimin e rreth 60 miliard\u00eb k\u00ebrkesave n\u00eb server\u00ebt themelor\u00eb \u00e7do dit\u00eb.<\/p>\n

Kontrollimet diagnostike p\u00ebrdoren n\u00eb Chromium p\u00ebr t\u00eb p\u00ebrcaktuar aplikimin e ofruesve t\u00eb sh\u00ebrbimeve q\u00eb redirektojn\u00eb k\u00ebrkesat p\u00ebr emra q\u00eb nuk ekzistojn\u00eb n\u00eb menaxher\u00ebt e tyre. k\u00ebto sisteme implementohen nga disa ofrues p\u00ebr t\u00eb drejtuar trafik n\u00eb emrat e domain-eve t\u00eb shkruara gabim \u2014 zakonisht p\u00ebr domain-et q\u00eb nuk ekzistojn\u00eb, tregohen faqe me paralajm\u00ebrime p\u00ebr gabime, nj\u00eb list\u00eb me emra q\u00eb mund t\u00eb jen\u00eb t\u00eb sakt\u00eb dhe reklama. Kjo lloj veprimi shkat\u00ebrron plot\u00ebsisht logjik\u00ebn e p\u00ebrcaktimit t\u00eb hosteve intranet n\u00eb shfletues.<\/p>\n

Kur p\u00ebrpunon nj\u00eb k\u00ebrkes\u00eb k\u00ebrkimi t\u00eb shkruar n\u00eb shiritin e adres\u00ebs, n\u00ebse \u00ebsht\u00eb shkruar vet\u00ebm nj\u00eb fjal\u00eb pa pika, shfletuesi fillimisht p\u00ebrpiqet<\/a><\/noindex> t\u00eb p\u00ebrcaktoj\u00eb k\u00ebt\u00eb fjal\u00eb n\u00eb DNS, duke supozuar se p\u00ebrdoruesi mund t\u00eb p\u00ebrpiqet t\u00eb qas\u00eb nj\u00eb sit intranet n\u00eb rrjetin e brendsh\u00ebm, e jo t\u00eb d\u00ebrgoj\u00eb nj\u00eb k\u00ebrkes\u00eb n\u00eb nj\u00eb motor k\u00ebrkimi. N\u00ebse ofruesi redirekton k\u00ebrkesat p\u00ebr emra domain-i q\u00eb nuk ekzistojn\u00eb, p\u00ebrdoruesit hasin nj\u00eb problem \u2014 \u00e7do k\u00ebrkes\u00eb nga nj\u00eb fjal\u00eb, e futur n\u00eb shiritin e adres\u00ebs, fillon t\u00eb redirektoj\u00eb n\u00eb faqet e ofruesit, e jo t\u00eb d\u00ebrgohet n\u00eb motorin e k\u00ebrkimit.<\/p>\n

P\u00ebr t\u00eb zgjidhur problemin e lindur, zhvilluesit e Chromium kan\u00eb shtuar n\u00eb shfletues kontrolle shtes\u00eb<\/a><\/noindex>, t\u00eb cilat, n\u00eb rast t\u00eb identifikimit t\u00eb redirektimeve, ndryshojn\u00eb logjik\u00ebn e p\u00ebrpunimit t\u00eb k\u00ebrkesave n\u00eb shiritin e adres\u00ebs.
\nMe \u00e7do aktivizim, ndryshim t\u00eb cil\u00ebsimeve DNS ose ndryshim t\u00eb IP-s\u00eb, shfletuesi d\u00ebrgon tre k\u00ebrkesa DNS me emra domene t\u00eb rastit nga niveli i par\u00eb, t\u00eb cil\u00ebt me nj\u00eb probabilitet t\u00eb lart\u00eb nuk ekzistojn\u00eb. Emrat p\u00ebrfshijn\u00eb nga 7 n\u00eb 15 shkronja latine (pa pika) dhe p\u00ebrdoren p\u00ebr t\u00eb identifikuar redirektimin e emrave t\u00eb domeneve q\u00eb nuk ekzistojn\u00eb nga ofruesi n\u00eb host-in e tij. N\u00ebse gjat\u00eb p\u00ebrpunimit t\u00eb tre k\u00ebrkesave HTTP me emra t\u00eb rastit, p\u00ebr dy do t\u00eb merret nj\u00eb redirektim n\u00eb t\u00eb nj\u00ebjt\u00ebn faqe, Chromium e konsideron se p\u00ebrdoruesi \u00ebsht\u00eb redirektuar n\u00eb nj\u00eb faqe t\u00eb jashtme.<\/p>\n

Si karakteristika p\u00ebr t\u00eb identifikuar aktivitetin e Chromium nga fluksi i p\u00ebrgjithsh\u00ebm i k\u00ebrkesave n\u00eb serverin themelor DNS, jan\u00eb p\u00ebrdorur p\u00ebrmasa jo-typike t\u00eb domeneve t\u00eb nivelit t\u00eb par\u00eb (nga 7 n\u00eb 15 shkronja) dhe faktori i p\u00ebrs\u00ebritshm\u00ebris\u00eb s\u00eb k\u00ebrkesave (emrat gjeneroheshin \u00e7do her\u00eb rast\u00ebsisht dhe nuk p\u00ebrs\u00ebriteshin).
\nN\u00eb log, fillimisht jan\u00eb filtruar k\u00ebrkesat e domeneve q\u00eb nuk ekzistojn\u00eb (78.09%), pastaj jan\u00eb dalluar k\u00ebrkesat q\u00eb p\u00ebrs\u00ebriten jo m\u00eb shum\u00eb se tri her\u00eb (51.41%), dhe m\u00eb pas jan\u00eb filtruar domenet q\u00eb p\u00ebrfshijn\u00eb nga 7 n\u00eb 15 shkronja (45.80%). \u00cbsht\u00eb interesante se vet\u00ebm 21.91% e k\u00ebrkesave n\u00eb server\u00ebt themelor\u00eb ishin t\u00eb lidhura me p\u00ebrcaktimin e domeneve ekzistuese.<\/p>\n

\"Gati<\/a><\/noindex><\/center><\/p>\n

N\u00eb hulumtim gjithashtu \u00ebsht\u00eb studiuar lidhja midis rritjes s\u00eb ngarkes\u00ebs n\u00eb server\u00ebt themelor\u00eb a.root-servers.net dhe j.root-servers.net me rritjen e popullaritetit t\u00eb Chrome.<\/p>\n

\"Gati<\/a><\/noindex><\/center><\/p>\n

N\u00eb Firefox, kontrollimet e redirektimit p\u00ebrmes DNS kufizohen<\/a><\/noindex> n\u00eb p\u00ebrcaktimin e redirektimit n\u00eb faqet e autentifikimit (captive portal) dhe jan\u00eb realizuar<\/a><\/noindex> me p\u00ebrdorimin<\/a><\/noindex> subdomain t\u00eb fiksuar \"detectportal.firefox.com\", pa k\u00ebrkuar emra domain-i t\u00eb nivelit t\u00eb par\u00eb. Ky sjellje nuk krijon nj\u00eb ngarkes\u00eb t\u00eb shtuar n\u00eb server\u00ebt DNS rr\u00ebnj\u00ebsor\u00eb, por potencialisht mund t\u00eb merren n\u00eb shqyrtim<\/a><\/noindex> si nj\u00eb rrjedhje e t\u00eb dh\u00ebnave t\u00eb ndjeshme mbi IP-n\u00eb e p\u00ebrdoruesit (me \u00e7do fillim, k\u00ebrkohet faqja \"detectportal.firefox.com\/success.txt\"). P\u00ebr t\u00eb \u00e7aktivizuar kontrollin n\u00eb Firefox ekziston nj\u00eb cil\u00ebsim \"network.captive-portal-service.enabled\", i cili mund t\u00eb ndryshohet n\u00eb faqen \"about:config\".<\/p>\n

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

Burimi: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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