{"id":33661,"date":"2019-10-31T21:54:01","date_gmt":"2019-10-31T18:54:01","guid":{"rendered":"https:\/\/prohoster.info\/blog\/kak-ponyat-kogda-proksi-lgut-verifikatsiya-fizicheskih-lokatsij-setevyh-proksi-s-pomoshhyu-algoritma-aktivnoj-geolokatsii\/"},"modified":"2019-10-31T21:54:01","modified_gmt":"2019-10-31T18:54:01","slug":"kak-ponyat-kogda-proksi-lgut-verifikatsiya-fizicheskih-lokatsij-setevyh-proksi-s-pomoshhyu-algoritma-aktivnoj-geolokatsii","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sq\/blog\/administrirovanie\/kak-ponyat-kogda-proksi-lgut-verifikatsiya-fizicheskih-lokatsij-setevyh-proksi-s-pomoshhyu-algoritma-aktivnoj-geolokatsii","title":{"rendered":"Si t\u00eb kuptoni kur proksi g\u00ebnjejn\u00eb: verifikimi i lokacioneve fizike t\u00eb proksive rrjetor\u00eb me an\u00eb t\u00eb algoritmit t\u00eb gjeolokacionit aktiv","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

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

Njer\u00ebzit n\u00eb t\u00eb gjith\u00eb bot\u00ebn p\u00ebrdorin proksi komerciale p\u00ebr t\u00eb fshhur lokacionin e tyre t\u00eb v\u00ebrtet\u00eb ose identitetin. Kjo mund t\u00eb b\u00ebhet p\u00ebr t\u00eb zgjidhur detyra t\u00eb ndryshme, duke p\u00ebrfshir\u00eb qasjen n\u00eb informacion t\u00eb bllokuar ose garantimin e privat\u00ebsis\u00eb. <\/p>\n

Por sa t\u00eb sakta jan\u00eb ofruesit e k\u00ebtyre proksive kur pretendojn\u00eb se server\u00ebt e tyre ndodhen n\u00eb nj\u00eb vend t\u00eb caktuar? Ky \u00ebsht\u00eb nj\u00eb pyetje thelb\u00ebsore, p\u00ebrgjigjja e t\u00eb cil\u00ebs p\u00ebrcakton n\u00ebse mund t\u00eb p\u00ebrdoret nj\u00eb sh\u00ebrbim i caktuar nga klient\u00ebt q\u00eb jan\u00eb t\u00eb shqet\u00ebsuar p\u00ebr mbrojtjen e informacionit personal.<\/p>\n

Nj\u00eb grup shkenc\u00ebtar\u00ebsh amerikan\u00eb nga universitetet e Masachusets, Carnegie Mellon dhe Stony Brook publikuan studim<\/a><\/noindex>, ku ata kontrolluan lokacionin real t\u00eb server\u00ebve t\u00eb shtat\u00eb ofruesve t\u00eb njohur t\u00eb proksive. Ne p\u00ebrgatit\u00ebm nj\u00eb p\u00ebrshtypje t\u00eb shkurt\u00ebr t\u00eb rezultateve kryesore.<\/a><\/noindex><\/p>\n

Hyrje<\/h2>\n

\nOfruesit e proksive shpesh nuk japin asnj\u00eb informacion q\u00eb mund t\u00eb v\u00ebrtetoj\u00eb sakt\u00ebsin\u00eb e pretendimeve t\u00eb tyre p\u00ebr lokacionin e server\u00ebve. Baza t\u00eb dh\u00ebnash IP-to-location zakonisht konfirmojn\u00eb tez\u00ebn reklamore t\u00eb k\u00ebtyre kompanive, megjithat\u00eb ekziston nj\u00eb num\u00ebr i madh d\u00ebshmish p\u00ebr gabime n\u00eb k\u00ebto baza.<\/p>\n

Gjat\u00eb hulumtimit, shkenc\u00ebtar\u00ebt amerikan\u00eb vler\u00ebsuan lokacionin e 2269 server\u00ebve proksi, t\u00eb menaxhuar nga shtat\u00eb kompani proksi dhe t\u00eb vendosur n\u00eb nj\u00eb total prej 222 vendeve dhe territor\u00ebve. Analiza tregoi se t\u00eb pakt\u00ebn nj\u00eb e treta e t\u00eb gjith\u00eb server\u00ebve nuk ndodhen n\u00eb ato vende q\u00eb kompania thot\u00eb n\u00eb materialet e saj reklamues. N\u00eb vend t\u00eb k\u00ebsaj, ata ndodhen n\u00eb vende me hostim t\u00eb lir\u00eb dhe t\u00eb besuesh\u00ebm: n\u00eb \u00c7eki, Gjermani, Holand\u00eb, Mbret\u00ebrin\u00eb e Bashkuar dhe Shtetet e Bashkuara.<\/p>\n

Analiza e lokacionit t\u00eb server\u00ebve<\/h2>\n

\nOfruesit komercial\u00eb t\u00eb VPN dhe proksi mund t\u00eb ndikojn\u00eb n\u00eb sakt\u00ebsin\u00eb e bazave t\u00eb t\u00eb dh\u00ebnave IP-to-location - kompanit\u00eb kan\u00eb mund\u00ebsi manipulimi, p\u00ebr shembull, me kodet e lokacionit n\u00eb emrat e routerave. Si rezultat, materialet reklamues mund t\u00eb deklarojn\u00eb nj\u00eb num\u00ebr t\u00eb madh lokacionesh t\u00eb disponueshme p\u00ebr p\u00ebrdoruesit, nd\u00ebrsa n\u00eb realitet, p\u00ebr t\u00eb kursyer dhe rritur besueshm\u00ebrin\u00eb e pun\u00ebs, server\u00ebt fizikisht ndodhen n\u00eb nj\u00eb num\u00ebr t\u00eb vog\u00ebl vendesh, megjithat\u00eb bazat IP-to-location flasin p\u00ebr t\u00eb kund\u00ebrt\u00ebn.<\/p>\n

P\u00ebr t\u00eb verifikuar vendndodhjen e v\u00ebrtet\u00eb t\u00eb server\u00ebve, studiuesit p\u00ebrdor\u00ebn nj\u00eb algorit\u00ebm t\u00eb geolokacionit aktiv. Me ndihm\u00ebn e tij, u vler\u00ebsua kohe e roundtrip-it t\u00eb nj\u00eb pakete t\u00eb d\u00ebrguar drejt serverit dhe ndaj hosteve t\u00eb tjera t\u00eb njohura n\u00eb internet. <\/p>\n

Megjithat\u00eb, vet\u00ebm m\u00eb pak se 10% e proxy-ve t\u00eb testuar p\u00ebrgjigjen n\u00eb ping, dhe p\u00ebr shkaqe t\u00eb qarta studiuesit nuk mund\u00ebn t\u00eb nisin ndonj\u00eb software p\u00ebr matje n\u00eb serverin vet\u00eb. Ata pat\u00ebn vet\u00ebm mund\u00ebsin\u00eb e d\u00ebrgimit t\u00eb paketave p\u00ebrmes proxy-ve, k\u00ebshtu q\u00eb kohe e roundtrip-it n\u00eb \u00e7do pik\u00eb n\u00eb hap\u00ebsir\u00eb p\u00ebrb\u00ebn shum\u00ebn e koh\u00ebs q\u00eb paketa merr p\u00ebr t\u00eb arritur nga hosti testues te proxy dhe nga proxy te destinatari.<\/p>\n

\"Si
\n
\nN\u00eb gjat\u00eb t\u00eb hulumtimit, u zhvillua nj\u00eb software i specializuara mbi kat\u00ebr algoritme t\u00eb geolokacionit aktiv: CBG, Octant, Spotter dhe hibrid Octant\/Spotter. Kodi i zgjidhjes \u00ebsht\u00eb n\u00eb dispozicion<\/a><\/noindex> n\u00eb GitHub.<\/p>\n

Pasi q\u00eb nuk mund t\u00eb mb\u00ebshteteshim n\u00eb bazat e t\u00eb dh\u00ebnave IP-to-location, p\u00ebr eksperimentet studiuesit p\u00ebrdor\u00ebn nj\u00eb list\u00eb t\u00eb hosteve ankor\u00eb RIPE Atlas \u2013 informacioni n\u00eb k\u00ebt\u00eb baz\u00eb \u00ebsht\u00eb n\u00eb dispozicion online, p\u00ebrdit\u00ebsohet vazhdimisht, dhe lokacionet e dokumentuara jan\u00eb t\u00eb sakta, madje, hostet n\u00eb list\u00eb vazhdimisht d\u00ebrgojn\u00eb sinjale ping nj\u00ebri-tjetrit dhe p\u00ebrdit\u00ebsojn\u00eb t\u00eb dh\u00ebnat mbi roundtrip n\u00eb baz\u00ebn publike.<\/p>\n

Zgjidhjet e zhvilluara nga studiuesit p\u00ebrb\u00ebjn\u00eb nj\u00eb aplikacion web-i, i cili krijon lidhje t\u00eb mbrojtura (HTTPS) TCP p\u00ebrmes portit t\u00eb pambrojtur HTTP 80. N\u00ebse serveri nuk po d\u00ebgjon n\u00eb k\u00ebt\u00eb port, pas nj\u00eb k\u00ebrkese do t\u00eb ndodh\u00eb nj\u00eb d\u00ebshtim, megjithat\u00eb n\u00ebse serveri po d\u00ebgjon k\u00ebt\u00eb port, shfletuesi do t\u00eb marr\u00eb nj\u00eb p\u00ebrgjigje SYN-ACK me paket\u00ebn TLS ClientHello. Kjo do t\u00eb provokoj\u00eb nj\u00eb gabim protokolli, dhe shfletuesi do t\u00eb shfaq\u00eb nj\u00eb gabim, por vet\u00ebm pas roundtrip-it t\u00eb dyt\u00eb. <\/p>\n

\"Si
\n
\nK\u00ebshtu, aplikacioni web mund t\u00eb mas\u00eb koh\u00ebn e nj\u00eb ose dy roundtrip-eve. Nj\u00eb sh\u00ebrbim i ngjash\u00ebm \u00ebsht\u00eb implementuar n\u00eb form\u00ebn e nj\u00eb programi q\u00eb ekzekutohet nga komandat e linj\u00ebs.<\/p>\n

Asnj\u00eb nga ofruesit e testuar nuk e ka sakt\u00ebsuar vendndodhjen e sakt\u00eb t\u00eb server\u00ebve t\u00eb tyre proxy. N\u00eb rastin m\u00eb t\u00eb mir\u00eb, p\u00ebrmenden qytetet, por m\u00eb shpesh ka informacion vet\u00ebm p\u00ebr vendin. Edhe kur qyteti p\u00ebrmendet, mund t\u00eb ndodhin keqkuptime \u2013 p\u00ebr shembull, hulumtuesit shqyrtuan nj\u00eb skedar konfigurimi t\u00eb nj\u00eb nga server\u00ebve t\u00eb quajtur usa.new-york-city.cfg, n\u00eb t\u00eb cilin kishte udh\u00ebzime p\u00ebr t'u lidhur me nj\u00eb server t\u00eb quajtur chicago.vpn-provider.example. K\u00ebshtu q\u00eb \u00ebsht\u00eb e mundur t\u00eb konfirmohet m\u00eb s\u00eb shumti p\u00ebrkat\u00ebsia e serverit n\u00eb nj\u00eb vend t\u00eb caktuar.<\/p>\n

Rezultatet<\/h2>\n

\nPas testeve me ndihm\u00ebn e algoritmit t\u00eb gjeolokacionit aktiv, hulumtuesit arrit\u00ebn t\u00eb konfirmojn\u00eb vendndodhjen e 989 nga 2269 adresave IP. N\u00eb rastin e 642 nuk arrit\u00ebn ta b\u00ebnin k\u00ebt\u00eb, dhe 638 ndodhen p\u00ebr siguri n\u00eb nj\u00eb vend tjet\u00ebr nga ai ku duhet t\u00eb ishin sipas premtimeve t\u00eb sh\u00ebrbimeve proxy. M\u00eb shum\u00eb se 400 nga k\u00ebto adresa t\u00eb rreme n\u00eb realitet ndodhen n\u00eb nj\u00eb kontinent me vendin e shpallur. <\/p>\n

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

Adresat e sakta gjenden n\u00eb vende q\u00eb p\u00ebrdoren m\u00eb shpesh p\u00ebr hostimin e server\u00ebve (duke klikuar, figura do t\u00eb hapet n\u00eb madh\u00ebsi t\u00eb plot\u00eb)<\/i><\/p>\n

Hosts t\u00eb dyshimta u zbuluan te secili nga shtat\u00eb ofruesit e testuar. Hulumtuesit k\u00ebrkuan komente nga kompanit\u00eb, por t\u00eb gjitha ato refuzuan t\u00eb flisnin.
\n
Burimi: habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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