{"id":11,"date":"2026-07-25T03:29:29","date_gmt":"2026-07-25T03:29:29","guid":{"rendered":"https:\/\/vpnappformac.com\/what-is-pptp-vpn-protocol-security-risks\/"},"modified":"2026-07-25T04:16:37","modified_gmt":"2026-07-25T04:16:37","slug":"what-is-pptp-vpn-protocol-security-risks","status":"publish","type":"post","link":"https:\/\/vpnappformac.com\/hu\/what-is-pptp-vpn-protocol-security-risks\/","title":{"rendered":"Mi az a PPTP, \u00e9s mi\u00e9rt elavult ez az 1990-es \u00e9vek VPN-protokollja?"},"content":{"rendered":"<p>Ha valaha is k\u00f6vetett egy r\u00e9gi VPN-oktat\u00f3anyagot, megnyitott egy \u00fatv\u00e1laszt\u00f3 be\u00e1ll\u00edt\u00e1si oldalt, vagy \u00e9vekkel ezel\u0151tt \u00f6r\u00f6k\u00f6lt munkahelyi dokument\u00e1ci\u00f3t, akkor el\u0151fordulhat, hogy a PPTP csatlakoz\u00e1si lehet\u0151s\u00e9gk\u00e9nt szerepel. Ez zavar\u00f3 lehet: ha megjelenik a be\u00e1ll\u00edt\u00e1sok men\u00fcben, az azt jelenti, hogy tov\u00e1bbra is j\u00f3 v\u00e1laszt\u00e1s?<\/p>\n<p>A r\u00f6vid v\u00e1lasz: nem a legt\u00f6bb modern adatv\u00e9delmi \u00e9s biztons\u00e1gi ig\u00e9nyre. A PPTP egykor n\u00e9pszer\u0171 volt, mert gyors, egyszer\u0171en konfigur\u00e1lhat\u00f3 \u00e9s sz\u00e9les k\u00f6rben el\u00e9rhet\u0151 volt. Manaps\u00e1g jobban \u00e9rtelmezik, mint egy \u00f6r\u00f6k\u00f6lt protokollt, amelyet nem szabad \u00e9rz\u00e9keny tev\u00e9kenys\u00e9gekre haszn\u00e1lni.<\/p>\n<p>Ez az \u00fatmutat\u00f3 elmagyar\u00e1zza, mi az a pptp, mi\u00e9rt ragadott meg, mit mondanak a leg\u00fajabb biztons\u00e1gi magyar\u00e1zatok a hanyatl\u00e1s\u00e1r\u00f3l, \u00e9s mit kell ellen\u0151rizni\u00fck a VPN Satelites olvas\u00f3inak, miel\u0151tt megb\u00edzn\u00e1nak egy r\u00e9gi VPN be\u00e1ll\u00edt\u00e1si \u00fatmutat\u00f3ban.<\/p>\n<h2>Mit jelent a PPTP?<\/h2>\n<p>A PPTP a pont-pont tunneling protokollt jelenti. Ez egy r\u00e9gebbi VPN-alag\u00fat-m\u00f3dszer, amely a t\u00e1vel\u00e9r\u00e9si VPN-be\u00e1ll\u00edt\u00e1sok els\u0151 hull\u00e1m\u00e1hoz kapcsol\u00f3dik az 1990-es \u00e9vekben.<\/p>\n<p>Magyar\u00e1n, a PPTP-t arra tervezt\u00e9k, hogy alagutat hozzon l\u00e9tre a felhaszn\u00e1l\u00f3 eszk\u00f6ze \u00e9s egy t\u00e1voli h\u00e1l\u00f3zat k\u00f6z\u00f6tt. Ez az alag\u00fat seg\u00edtett az embereknek a nyilv\u00e1nos interneten kereszt\u00fcl priv\u00e1t h\u00e1l\u00f3zatokhoz csatlakozni, ami hasznos volt a t\u00e1voli munk\u00e1hoz, a telefonos hozz\u00e1f\u00e9r\u00e9shez \u00e9s a korai \u00fczleti VPN-telep\u00edt\u00e9sekhez.<\/p>\n<p>A fontos r\u00e9szlet az, hogy a PPTP \u00f6nmag\u00e1ban nem &#8222;online adatv\u00e9delem&#8221;. A VPN-alag\u00fat a k\u00f6rnyez\u0151 kialak\u00edt\u00e1s biztons\u00e1g\u00e1t\u00f3l f\u00fcgg: hiteles\u00edt\u00e9st\u0151l, titkos\u00edt\u00e1st\u00f3l, integrit\u00e1sv\u00e9delemt\u0151l, szerverkonfigur\u00e1ci\u00f3t\u00f3l \u00e9s a forgalom h\u00e1l\u00f3zatokon kereszt\u00fcli mozg\u00e1s\u00e1t\u00f3l. A pptp protokoll ir\u00e1nti modern aggodalmak ezekb\u0151l a m\u00f6g\u00f6ttes darabokb\u00f3l erednek, nem csak a bet\u0171sz\u00f3b\u00f3l.<\/p>\n<h2>Mi\u00e9rt lett n\u00e9pszer\u0171 a PPTP?<\/h2>\n<p>A PPTP \u00e9rthet\u0151 okokb\u00f3l \u00e1ltal\u00e1noss\u00e1 v\u00e1lt. Val\u00f3s probl\u00e9m\u00e1kat oldott meg abban az id\u0151ben, amikor a VPN be\u00e1ll\u00edt\u00e1sa nehezebb volt, \u00e9s a h\u00e1l\u00f3zatok kev\u00e9sb\u00e9 voltak szabv\u00e1nyos\u00edtva, mint most.<\/p>\n<p>A biztons\u00e1gi magyar\u00e1z\u00f3k tov\u00e1bbra is t\u00f6bb okra hivatkoznak a terjed\u00e9s\u00e9nek:<\/p>\n<ul>\n<li>Sok r\u00e9gebbi t\u00e1vel\u00e9r\u00e9si lehet\u0151s\u00e9ghez k\u00e9pest viszonylag k\u00f6nny\u0171 volt be\u00e1ll\u00edtani.<\/li>\n<li>El\u00e9g gyors volt kor\u00e1nak hardveres \u00e9s internetkapcsolataihoz.<\/li>\n<li>Sz\u00e1mos oper\u00e1ci\u00f3s rendszerben \u00e9s h\u00e1l\u00f3zati eszk\u00f6zben jelent meg.<\/li>\n<li>Cs\u00f6kkentette a konfigur\u00e1ci\u00f3s s\u00farl\u00f3d\u00e1st az adminisztr\u00e1torok \u00e9s a h\u00e9tk\u00f6znapi felhaszn\u00e1l\u00f3k sz\u00e1m\u00e1ra.<\/li>\n<li>Akkoriban sok alacsony kock\u00e1zat\u00fa \u00f6r\u00f6k\u00f6lt haszn\u00e1lati esethez el\u00e9g j\u00f3l m\u0171k\u00f6d\u00f6tt.<\/li>\n<\/ul>\n<p>Ez az el\u0151zm\u00e9nyek sz\u00e1m\u00edt, mert ez megmagyar\u00e1zza, hogy a PPTP mi\u00e9rt jelenik meg m\u00e9g mindig a r\u00e9gi utas\u00edt\u00e1sokban. Nem v\u00e9letlen\u00fcl volt n\u00e9pszer\u0171. K\u00e9nyelmet ny\u00fajtott, amikor a k\u00e9nyelem volt a f\u0151 akad\u00e1ly.<\/p>\n<p>A probl\u00e9ma az, hogy a &#8222;gyorsan \u00e9s egyszer\u0171en&#8221; jobban \u00f6regszik, mint a k\u00f6r\u00fcl\u00f6tte l\u00e9v\u0151 biztons\u00e1gi tervez\u00e9s.<\/p>\n<h2>Biztons\u00e1gos ma a PPTP?<\/h2>\n<p>A ma VPN-be\u00e1ll\u00edt\u00e1sokat v\u00e1laszt\u00f3 h\u00e9tk\u00f6znapi felhaszn\u00e1l\u00f3k sz\u00e1m\u00e1ra a \u201epptp biztons\u00e1gos\u201d k\u00e9rd\u00e9sre a gyakorlati v\u00e1lasz a k\u00f6vetkez\u0151: kezelje \u00fagy, hogy nem el\u00e9g biztons\u00e1gos az \u00e9rz\u00e9keny tev\u00e9kenys\u00e9gekhez.<\/p>\n<p>A leg\u00fajabb magyar\u00e1z\u00f3k \u00e9s a platform \u00fatmutat\u00e1sai a PPTP-t elavultnak vagy nem aj\u00e1nlottnak \u00edrj\u00e1k le. A Microsoft Windows Server Routing and Remote Access dokument\u00e1ci\u00f3ja p\u00e9ld\u00e1ul a PPTP-t \u00f6r\u00f6k\u00f6lt \u00fatvonalk\u00e9nt kezeli az \u00faj kiszolg\u00e1l\u00f3konfigur\u00e1ci\u00f3kban, \u00e9s a rendszergazd\u00e1kat a biztons\u00e1gosabb kapcsol\u00f3d\u00e1si lehet\u0151s\u00e9gek fel\u00e9 ir\u00e1ny\u00edtja. A Microsoft 2024-es megsz\u00fcntet\u00e9s\u00e9r\u0151l sz\u00f3l\u00f3 vit\u00e1ja a PPTP-t egy r\u00e9gebbi infrastrukt\u00fara r\u00e9szek\u00e9nt fogalmazza meg, amelyt\u0151l a szervezeteknek el kellene t\u00e1volodniuk.<\/p>\n<p>Ez nem jelenti azt, hogy minden be\u00e1ll\u00edt\u00e1si k\u00e9perny\u0151 azonnal elt\u0171nik, vagy minden r\u00e9gi h\u00e1l\u00f3zat le\u00e1ll egyik napr\u00f3l a m\u00e1sikra. Az \u00f6r\u00f6k\u00f6lt technol\u00f3gia gyakran megmarad. Az \u00fatv\u00e1laszt\u00f3k, a r\u00e9gi dokument\u00e1ci\u00f3, az archiv\u00e1lt f\u00f3rumbejegyz\u00e9sek \u00e9s az \u00f6r\u00f6k\u00f6lt IT-be\u00e1ll\u00edt\u00e1sok a protokollok neveit m\u00e9g sok\u00e1ig l\u00e1that\u00f3v\u00e1 tehetik a biztons\u00e1gi \u00fatmutat\u00e1sok meg\u00e9rkez\u00e9se ut\u00e1n is.<\/p>\n<p>Egy kezd\u0151 VPN sz\u00e1m\u00e1ra ez a legfontosabb tanuls\u00e1g: a men\u00fcben val\u00f3 el\u00e9rhet\u0151s\u00e9g nem egyenl\u0151 az aj\u00e1nl\u00e1ssal.<\/p>\n<h2>Melyek a f\u0151 PPTP biztons\u00e1gi kock\u00e1zatok?<\/h2>\n<p>A legnagyobb pptp-biztons\u00e1gi kock\u00e1zatok a r\u00e9gebbi \u00f6sszetev\u0151kb\u0151l \u00e9s a PPTP-telep\u00edt\u00e9sekkel kapcsolatos felt\u00e9telez\u00e9sekb\u0151l sz\u00e1rmaznak.<\/p>\n<p>A biztons\u00e1gi magyar\u00e1zatok gyakran az al\u00e1bbi ter\u00fcletekre \u00f6sszpontos\u00edtanak:<\/p>\n<ul>\n<li>R\u00e9gebbi hiteles\u00edt\u00e9si kialak\u00edt\u00e1s. A PPTP-telep\u00edt\u00e9seket \u00e1ltal\u00e1ban az MS-CHAPv2-vel t\u00e1rs\u00edtj\u00e1k, amely r\u00e9g\u00f3ta \u00e9ri a biztons\u00e1gi kritik\u00e1kat.<\/li>\n<li>R\u00e9gebbi titkos\u00edt\u00e1si \u00f6sszetev\u0151k. A PPTP-t \u00e1ltal\u00e1ban MPPE- \u00e9s RC4-alap\u00fa titkos\u00edt\u00e1shoz k\u00f6tik, ami m\u00e1r nem felel meg az \u00e9rz\u00e9keny felhaszn\u00e1l\u00e1sra vonatkoz\u00f3 modern elv\u00e1r\u00e1soknak.<\/li>\n<li>Gyenge integrit\u00e1sv\u00e9delem. Egy biztons\u00e1gos alag\u00fatnak t\u00f6bbet kell tennie, mint elrejteni a forgalmat; seg\u00edtenie kell a manipul\u00e1ci\u00f3 \u00e9szlel\u00e9s\u00e9ben is. A PPTP r\u00e9gebbi kialak\u00edt\u00e1sa a modern szabv\u00e1nyokhoz k\u00e9pest gyenge.<\/li>\n<li>\u00d6r\u00f6k\u00f6s konfigur\u00e1ci\u00f3s kock\u00e1zat. El\u0151fordulhat, hogy a r\u00e9gi VPN-profilok akkor j\u00f6ttek l\u00e9tre, amikor a fenyeget\u00e9smodellek, jelszavak, eszk\u00f6zbiztons\u00e1g \u00e9s h\u00e1l\u00f3zati vez\u00e9rl\u0151k nagyon elt\u00e9r\u0151ek voltak.<\/li>\n<li>H\u00e1l\u00f3zati s\u00farl\u00f3d\u00e1s. A PPTP kialak\u00edt\u00e1sa gyakorlati probl\u00e9m\u00e1kat okozhat a t\u0171zfalakkal \u00e9s a NAT-tal, mivel vez\u00e9rl\u0151kapcsolatot \u00e9s GRE-forgalmat haszn\u00e1l, nem pedig norm\u00e1l webes forgalomhoz hasonl\u00f3an.<\/li>\n<\/ul>\n<p>A t\u00f6rt\u00e9nelmi kontextus nem \u00faj kelet\u0171. Bruce Schneier 1998-as GYIK-je a Microsoft PPTP megval\u00f3s\u00edt\u00e1s\u00e1val kapcsolatban komoly aggodalmakat dokument\u00e1lt a PPTP korai mainstream id\u0151szak\u00e1ban. Az \u00fajabb cikkek nem fedezik fel hirtelen, hogy a PPTP-nek vannak gyenges\u00e9gei; megmagyar\u00e1zz\u00e1k, hogy mi\u00e9rt sz\u00e1m\u00edtanak m\u00e9g ink\u00e1bb ezek a r\u00e9gi gyenges\u00e9gek a mai internetes k\u00f6rnyezetben.<\/p>\n<h2>Amit a legut\u00f3bbi cikkek adnak hozz\u00e1 a k\u00e9phez<\/h2>\n<p>A leghasznosabb biztons\u00e1gi magyar\u00e1zatok nem csak azt mondj\u00e1k, hogy \u201ea PPTP r\u00e9gi\u201d. Megmutatj\u00e1k, hogy a r\u00e9gi VPN-tan\u00e1csok mi\u00e9rt vezethetik f\u00e9lre az embereket.<\/p>\n<p>A Microsoft jelenlegi szerverdokument\u00e1ci\u00f3ja hasznos, mert bemutatja, hogy a v\u00e1llalati platformok hogyan v\u00e1ltoztatj\u00e1k meg az alap\u00e9rtelmezett \u00e9rt\u00e9keket \u00e9s az aj\u00e1nl\u00e1sokat. Ha egy r\u00e9gebbi protokollt m\u00e1r nem fogadnak el alap\u00e9rtelmez\u00e9s szerint egy modern szerverbe\u00e1ll\u00edt\u00e1sban, ez er\u0151s jelz\u00e9s a mindennapi felhaszn\u00e1l\u00f3k sz\u00e1m\u00e1ra: ne kezelje a protokollt biztons\u00e1gos alap\u00e9rtelmezettk\u00e9nt, csak az\u00e9rt, mert ismer\u0151s a neve.<\/p>\n<p>A Microsoft elavul\u00e1s\u00e1r\u00f3l sz\u00f3l\u00f3 cikke hozz\u00e1adja a m\u0171k\u00f6d\u00e9si sz\u00f6get. A r\u00e9gebbi telep\u00edt\u00e9s\u0171 szervezeteknek sz\u00fcks\u00e9g\u00fck lehet az \u00e1ttelep\u00edt\u00e9s tervez\u00e9s\u00e9re, a dokument\u00e1ci\u00f3 friss\u00edt\u00e9s\u00e9re \u00e9s a felhaszn\u00e1l\u00f3k oktat\u00e1s\u00e1ra. Ez a pont a kis csapatokn\u00e1l is sz\u00e1m\u00edt. Ha egy r\u00e9gi bels\u0151 be\u00e1ll\u00edt\u00e1si \u00fatmutat\u00f3 tov\u00e1bbra is azt mondja, hogy &#8222;v\u00e1lasszon PPTP-t&#8221;, akkor a helyes v\u00e1lasz az, hogy nem k\u00f6veti vakon. Az a k\u00e9rd\u00e9s, hogy az \u00fatmutat\u00f3t a k\u00f6zelm\u00faltban fel\u00fclvizsg\u00e1lt\u00e1k-e.<\/p>\n<p>A Group-IB magyar\u00e1z\u00f3ja hasznos, mert korrekt t\u00f6rt\u00e9netet ad a PPTP-nek. A PPTP az\u00e9rt v\u00e1lt n\u00e9pszer\u0171v\u00e9, mert egyszer\u0171, gyors \u00e9s sz\u00e9les k\u00f6rben kompatibilis. Ez megakad\u00e1lyozza a gyakori f\u00e9lre\u00e9rt\u00e9seket: az elavult nem azt jelenti, hogy eredeti sz\u00f6vegk\u00f6rnyezet\u00e9ben haszn\u00e1lhatatlan. Ez azt jelenti, hogy az eredeti kompromisszum m\u00e1r nem felel meg a modern biztons\u00e1gi elv\u00e1r\u00e1soknak.<\/p>\n<p>A JumpCloud magyar\u00e1z\u00f3ja seg\u00edt a technikai k\u00e9pben. A PPTP egy alag\u00fat kialak\u00edt\u00e1s, amely a r\u00e9gebbi hiteles\u00edt\u00e9si \u00e9s titkos\u00edt\u00e1si lehet\u0151s\u00e9gekhez kapcsol\u00f3dik. A nem szakemberek sz\u00e1m\u00e1ra ez el\u00e9g r\u00e9szlet ahhoz, hogy meg\u00e9rts\u00e9k, mi\u00e9rt nem az a v\u00e1lasz, hogy \u201ecsak kapcsolja be a r\u00e9gi VPN opci\u00f3t\u201d.<\/p>\n<p>A Schneier GYIK hozz\u00e1adja az id\u0151vonalat. A PPTP h\u00edrneve nem v\u00e1ltozott egy friss blogbejegyz\u00e9s miatt. A komoly m\u0171szaki figyelmeztet\u00e9sek \u00e9vtizedekre ny\u00falnak vissza.<\/p>\n<h2>Mit kell ellen\u0151rizni\u00fck a VPN-m\u0171holdas olvas\u00f3knak a VPN-be\u00e1ll\u00edt\u00e1sok kiv\u00e1laszt\u00e1sa el\u0151tt<\/h2>\n<p>Ha PPTP-t l\u00e1t a r\u00e9gi utas\u00edt\u00e1sokban, kezelje azt felsz\u00f3l\u00edt\u00e1sk\u00e9nt, hogy lass\u00edtson \u00e9s ellen\u0151rizze a be\u00e1ll\u00edt\u00e1st.<\/p>\n<p>Kezdje a t\u00e9nylegesen haszn\u00e1lt alkalmaz\u00e1s, eszk\u00f6z, \u00fatv\u00e1laszt\u00f3 vagy munkahelyi rendszer aktu\u00e1lis dokument\u00e1ci\u00f3j\u00e1val. Ne hagyatkozzon egy \u00e9vekkel ezel\u0151tti f\u00f3rumsz\u00e1lra, k\u00e9perny\u0151k\u00e9pre vagy be\u00e1ll\u00edt\u00e1si \u00fatmutat\u00f3ra, hacsak nem egyezik az aktu\u00e1lis hivatalos utas\u00edt\u00e1sokkal.<\/p>\n<p>Ezut\u00e1n ellen\u0151rizze, hogy a v\u00e1lasztott protokoll mit v\u00e9d. Ha a kapcsolat munkahelyi fi\u00f3kokat, adminisztr\u00e1tori ir\u00e1ny\u00edt\u00f3pultokat, banki munkameneteket, priv\u00e1t \u00fczeneteket, utaz\u00e1si b\u00f6ng\u00e9sz\u00e9st vagy b\u00e1rmi m\u00e1s k\u00e9nyes dolgot hordoz, akkor a PPTP nem megfelel\u0151 hely a k\u00e9nyelem \u00e9rdek\u00e9ben.<\/p>\n<p>A VPN Satelites olvas\u00f3i sz\u00e1m\u00e1ra a biztons\u00e1gosabb szok\u00e1s egyszer\u0171: haszn\u00e1lja a jelenlegi VPN-\u00fatmutat\u00f3t, tartsa naprak\u00e9szen az alkalmaz\u00e1sokat, \u00e9s ne v\u00e1lasszon \u00f6r\u00f6k\u00f6lt protokollneveket csak az\u00e9rt, mert ismer\u0151snek t\u0171nnek. Ha egy \u00fatmutat\u00f3 t\u00f6bb lehet\u0151s\u00e9get is k\u00edn\u00e1l, keresse az aktu\u00e1lis szolg\u00e1ltat\u00f3 vagy rendszergazda \u00e1ltal javasoltat, ne azt, amelyik a leggyorsabbnak vagy legegyszer\u0171bbnek t\u0171nik.<\/p>\n<p>Ha a be\u00e1ll\u00edt\u00e1s munk\u00e1ltat\u00f3i vagy iskolai h\u00e1l\u00f3zathoz tartozik, k\u00e9rdezze meg a felel\u0151s informatikai tulajdonost, miel\u0151tt megv\u00e1ltoztatn\u00e1. Ha a saj\u00e1t \u00fatv\u00e1laszt\u00f3j\u00e1hoz vagy szem\u00e9lyes eszk\u00f6z\u00e9hez tartozik, ellen\u0151rizze, hogy az \u00fatmutat\u00f3 friss-e, \u00e9s hogy a gy\u00e1rt\u00f3 tov\u00e1bbra is javasolja-e a be\u00e1ll\u00edt\u00e1st.<\/p>\n<h2>Mikor tal\u00e1lkozhat m\u00e9g a PPTP-vel?<\/h2>\n<p>A PPTP tov\u00e1bbra is megjelenhet olyan helyeken, ahol a r\u00e9gi technol\u00f3gia a v\u00e1rtn\u00e1l tov\u00e1bb \u00e9l:<\/p>\n<ul>\n<li>archiv\u00e1lt VPN be\u00e1ll\u00edt\u00e1si \u00fatmutat\u00f3k;<\/li>\n<li>r\u00e9gebbi \u00fatv\u00e1laszt\u00f3 admin panelek;<\/li>\n<li>\u00f6r\u00f6k\u00f6lt irodai VPN-dokument\u00e1ci\u00f3;<\/li>\n<li>k\u00e9perny\u0151k\u00e9pek a s\u00fag\u00f3f\u00f3rumokban;<\/li>\n<li>\u00f6r\u00f6k\u00f6lt kisv\u00e1llalkoz\u00e1si h\u00e1l\u00f3zati jegyzetek;<\/li>\n<li>r\u00e9gi oper\u00e1ci\u00f3s rendszer vagy szerver konfigur\u00e1ci\u00f3s p\u00e9ld\u00e1k.<\/li>\n<\/ul>\n<p>Ha l\u00e1tja a PPTP-t az egyik helyen, az nem jelenti azt, hogy b\u00e1rmi rosszat tett. Ez \u00e1ltal\u00e1ban azt jelenti, hogy a dokument\u00e1ci\u00f3 vagy az eszk\u00f6z interf\u00e9sz t\u00f6rt\u00e9nelmet hordoz. A kock\u00e1zat abb\u00f3l fakad, hogy az el\u0151zm\u00e9nyeket aktu\u00e1lis tan\u00e1csk\u00e9nt kezelj\u00fck.<\/p>\n<h2>Praktikus elvitel<\/h2>\n<p>A PPTP legink\u00e1bb egy kor\u00e1bbi internetes korszak \u00f6r\u00f6k\u00f6lt VPN-protokolljak\u00e9nt \u00e9rtelmezhet\u0151. Az\u00e9rt v\u00e1lt n\u00e9pszer\u0171v\u00e9, mert megk\u00f6nny\u00edtette a t\u00e1voli hozz\u00e1f\u00e9r\u00e9st, amikor a kompatibilit\u00e1s \u00e9s a sebess\u00e9g komoly probl\u00e9m\u00e1kat okozott. Ez a k\u00e9nyelem az oka annak, hogy sokan m\u00e9g mindig felismerik a nevet.<\/p>\n<p>A modern VPN-haszn\u00e1lat azonban m\u00e1s biztons\u00e1gi alapokkal rendelkezik. A cikk j\u00f3v\u00e1hagyott biztons\u00e1gi forr\u00e1sai ugyanebbe az ir\u00e1nyba mutatnak: a PPTP elavult, nem megfelel\u0151 alap\u00e9rtelmezett, \u00e9s nem alkalmas \u00e9rz\u00e9keny tev\u00e9kenys\u00e9gekre.<\/p>\n<p>Ha a c\u00e9l a biztons\u00e1gosabb b\u00f6ng\u00e9sz\u00e9s nyilv\u00e1nos Wi-Fi-n, a t\u00e1voli munkav\u00e9gz\u00e9s, az utaz\u00e1si adatv\u00e9delem vagy a nem megb\u00edzhat\u00f3 helyi h\u00e1l\u00f3zatokkal szembeni alapvet\u0151 v\u00e9delem, ne v\u00e1lassza a PPTP-t csak az\u00e9rt, mert egy r\u00e9gi oktat\u00f3anyag ezt mondja. Ellen\u0151rizze az aktu\u00e1lis dokument\u00e1ci\u00f3t, haszn\u00e1lja az aj\u00e1nlott modern VPN-be\u00e1ll\u00edt\u00e1sokat, \u00e9s kezelje a r\u00e9gi protokollneveket annak jelek\u00e9nt, hogy az \u00fatmutat\u00f3 friss\u00edt\u00e9sre szorulhat.<\/p>\n<h2>GYIK<\/h2>\n<h3>Mi az a PPTP leegyszer\u0171s\u00edtve?<\/h3>\n<p>A PPTP egy r\u00e9gebbi VPN alag\u00fatkezel\u00e9si m\u00f3dszer. A teljes n\u00e9v pont-pont tunneling protokoll. \u00dagy tervezt\u00e9k, hogy seg\u00edtsen egy eszk\u00f6znek alagutat l\u00e9trehozni egy t\u00e1voli mag\u00e1nh\u00e1l\u00f3zathoz az interneten kereszt\u00fcl.<\/p>\n<h3>Mi\u00e9rt tekinthet\u0151 elavultnak a PPTP?<\/h3>\n<p>A PPTP elavultnak tekinthet\u0151, mivel a hozz\u00e1 \u00e1ltal\u00e1nosan t\u00e1rs\u00edtott hiteles\u00edt\u00e9si \u00e9s titkos\u00edt\u00e1si \u00f6sszetev\u0151k nem felelnek meg az \u00e9rz\u00e9keny VPN-haszn\u00e1lattal szemben t\u00e1masztott modern elv\u00e1r\u00e1soknak. A f\u0151bb technikai forr\u00e1sok \u00e9s a platformra vonatkoz\u00f3 \u00fatmutat\u00e1sok most ink\u00e1bb \u00f6r\u00f6k\u00f6lt opci\u00f3k\u00e9nt kezelik, nem pedig aj\u00e1nlott alap\u00e9rtelmezettk\u00e9nt.<\/p>\n<h3>El\u00e9g biztons\u00e1gos a PPTP a nyilv\u00e1nos Wi-Fi-hez?<\/h3>\n<p>Nem. Nyilv\u00e1nos Wi-Fi, utaz\u00e1si, munkahelyi fi\u00f3kok, banki \u00fcgyint\u00e9z\u00e9s, priv\u00e1t \u00fczenetek vagy egy\u00e9b \u00e9rz\u00e9keny tev\u00e9kenys\u00e9gek eset\u00e9n a PPTP nem tekinthet\u0151 el\u00e9g biztons\u00e1gosnak. Haszn\u00e1lja a be\u00e1ll\u00edt\u00e1s\u00e1\u00e9rt felel\u0151s alkalmaz\u00e1s, eszk\u00f6z vagy szervezet aktu\u00e1lis VPN-\u00fatmutat\u00f3it.<\/p>\n<h3>Mi\u00e9rt eml\u00edtik m\u00e9g mindig a r\u00e9gi VPN-\u00fatmutat\u00f3k a PPTP-t?<\/h3>\n<p>A r\u00e9gi \u00fatmutat\u00f3k eml\u00edtik a PPTP-t, mert egykor \u00e1ltal\u00e1nos volt, gyors \u00e9s k\u00f6nnyen konfigur\u00e1lhat\u00f3. Sok archiv\u00e1lt oktat\u00f3anyag \u00e9s r\u00e9gi eszk\u00f6zfel\u00fclet m\u00e9g mindig ezt a t\u00f6rt\u00e9nelmet t\u00fckr\u00f6zi, b\u00e1r a modern biztons\u00e1gi tan\u00e1csok tov\u00e1bb fejl\u0151dtek.<\/p>\n<h3>M\u00f3dos\u00edtsam magam a PPTP be\u00e1ll\u00edt\u00e1son?<\/h3>\n<p>Ha ez az \u00d6n szem\u00e9lyes eszk\u00f6ze vagy \u00fatv\u00e1laszt\u00f3ja, a be\u00e1ll\u00edt\u00e1s haszn\u00e1lata el\u0151tt ellen\u0151rizze az aktu\u00e1lis hivatalos dokument\u00e1ci\u00f3t. Ha munkahelyhez, iskol\u00e1hoz vagy fel\u00fcgyelt h\u00e1l\u00f3zathoz tartozik, k\u00e9rdezze meg a VPN-\u00e9rt felel\u0151s rendszergazd\u00e1t, miel\u0151tt b\u00e1rmit m\u00f3dos\u00edtana.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A PPTP seg\u00edtett abban, hogy a korai VPN-kapcsolatok gyorsak \u00e9s egyszer\u0171ek legyenek, de a biztons\u00e1gi \u00fatmutat\u00e1s tov\u00e1bb haladt. Ismerje meg, mi az a PPTP, mi\u00e9rt v\u00e1lt n\u00e9pszer\u0171v\u00e9, \u00e9s mi\u00e9rt kell a modern felhaszn\u00e1l\u00f3knak \u00f6r\u00f6k\u00f6lt VPN-protokollk\u00e9nt kezelni\u00fck.<\/p>\n","protected":false},"author":0,"featured_media":12,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[7,8,4,9,5,6],"class_list":["post-11","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-vpn-security","tag-legacy-vpn","tag-online-privacy","tag-pptp","tag-vpn-basics","tag-vpn-protocol","tag-vpn-security"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Mi az a PPTP, \u00e9s mi\u00e9rt elavult ez az 1990-es \u00e9vek VPN-protokollja?<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link 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dos anos 90 est\u00e1 obsoleto?[:ru]\u0427\u0442\u043e \u0442\u0430\u043a\u043e\u0435 PPTP \u0438 \u043f\u043e\u0447\u0435\u043c\u0443 \u044d\u0442\u043e\u0442 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b VPN 1990-\u0445 \u0433\u043e\u0434\u043e\u0432 \u0443\u0441\u0442\u0430\u0440\u0435\u043b?[:ar]\u0645\u0627 \u0647\u0648 PPTP\u060c \u0648\u0644\u0645\u0627\u0630\u0627 \u0623\u0635\u0628\u062d \u0628\u0631\u0648\u062a\u0648\u0643\u0648\u0644 VPN \u0647\u0630\u0627 \u0641\u064a \u0627\u0644\u062a\u0633\u0639\u064a\u0646\u064a\u0627\u062a \u0642\u062f\u064a\u0645\u064b\u0627\u061f[:hi]\u092a\u0940\u092a\u0940\u091f\u0940\u092a\u0940 \u0915\u094d\u092f\u093e \u0939\u0948, \u0914\u0930 \u092f\u0939 1990 \u0915\u0947 \u0926\u0936\u0915 \u0915\u093e \u0935\u0940\u092a\u0940\u090f\u0928 \u092a\u094d\u0930\u094b\u091f\u094b\u0915\u0949\u0932 \u0905\u092a\u094d\u0930\u091a\u0932\u093f\u0924 \u0915\u094d\u092f\u094b\u0902 \u0939\u0948?[:id]Apa Itu PPTP, dan Mengapa Protokol VPN Tahun 1990-an Ini Sudah Usang?[:tr]PPTP Nedir ve 1990'lar\u0131n Bu VPN Protokol\u00fc Neden Eski?[:fa]PPTP \u0686\u06cc\u0633\u062a \u0648 \u0686\u0631\u0627 \u0627\u06cc\u0646 \u067e\u0631\u0648\u062a\u06a9\u0644 VPN \u062f\u0647\u0647 1990 \u0645\u0646\u0633\u0648\u062e \u0634\u062f\u0647 \u0627\u0633\u062a\u061f[:zh]\u4ec0\u4e48\u662f PPTP\uff0c\u4e3a\u4ec0\u4e48\u8fd9\u4e2a 90 \u5e74\u4ee3\u7684 VPN \u534f\u8bae\u5df2\u8fc7\u65f6\uff1f[:fr]Qu\u2019est-ce que PPTP et pourquoi ce protocole VPN des ann\u00e9es 1990 est-il obsol\u00e8te ?[:de]Was ist PPTP und warum ist dieses VPN-Protokoll aus den 1990er Jahren veraltet?[:ja]PPTP \u3068\u306f\u4f55\u3067\u3059\u304b? 1990 \u5e74\u4ee3\u306e VPN \u30d7\u30ed\u30c8\u30b3\u30eb\u304c\u5ec3\u6b62\u3055\u308c\u305f\u306e\u306f\u306a\u305c\u3067\u3059\u304b?[:ko]PPTP\ub780 \ubb34\uc5c7\uc774\uba70, \uc774 1990\ub144\ub300 VPN \ud504\ub85c\ud1a0\ucf5c\uc774 \ub354 \uc774\uc0c1 \uc0ac\uc6a9\ub418\uc9c0 \uc54a\ub294 \uc774\uc720\ub294 \ubb34\uc5c7\uc785\ub2c8\uae4c?[:vi]PPTP l\u00e0 g\u00ec v\u00e0 t\u1ea1i sao giao th\u1ee9c VPN nh\u1eefng n\u0103m 1990 n\u00e0y \u0111\u00e3 l\u1ed7i th\u1eddi?[:ur]PPTP \u06a9\u06cc\u0627 \u06c1\u06d2\u060c \u0627\u0648\u0631 \u06cc\u06c1 1990 \u06a9\u0627 VPN \u067e\u0631\u0648\u0679\u0648\u06a9\u0648\u0644 \u06a9\u06cc\u0648\u06ba \u0645\u062a\u0631\u0648\u06a9 \u06c1\u06d2\u061f[:bn]PPTP \u0995\u09bf \u098f\u09ac\u0982 \u0995\u09c7\u09a8 \u098f\u0987 1990 \u098f\u09b0 \u09ad\u09bf\u09aa\u09bf\u098f\u09a8 \u09aa\u09cd\u09b0\u09cb\u099f\u09cb\u0995\u09b2 \u0985\u09aa\u09cd\u09b0\u099a\u09b2\u09bf\u09a4?[:th]PPTP \u0e04\u0e37\u0e2d\u0e2d\u0e30\u0e44\u0e23 \u0e41\u0e25\u0e30\u0e40\u0e2b\u0e15\u0e38\u0e43\u0e14\u0e42\u0e1b\u0e23\u0e42\u0e15\u0e04\u0e2d\u0e25 VPN \u0e1b\u0e35 1990 \u0e19\u0e35\u0e49\u0e08\u0e36\u0e07\u0e25\u0e49\u0e32\u0e2a\u0e21\u0e31\u0e22?[:it]Che cos'\u00e8 PPTP e perch\u00e9 questo protocollo VPN degli anni '90 \u00e8 obsoleto?[:pl]Co to jest PPTP i dlaczego ten protok\u00f3\u0142 VPN z lat 90. jest przestarza\u0142y?[:uk]\u0429\u043e \u0442\u0430\u043a\u0435 PPTP \u0456 \u0447\u043e\u043c\u0443 \u0446\u0435\u0439 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b VPN 1990-\u0445 \u0440\u043e\u043a\u0456\u0432 \u0437\u0430\u0441\u0442\u0430\u0440\u0456\u0432?[:nl]Wat is PPTP en waarom is dit VPN-protocol uit de jaren negentig verouderd?[:tl]Ano ang PPTP, at Bakit Ito 1990s VPN Protocol Obsolete?[:ms]Apakah PPTP, dan Mengapa Protokol VPN 1990-an Ini Lapuk?[:ta]PPTP \u0b8e\u0ba9\u0bcd\u0bb1\u0bbe\u0bb2\u0bcd \u0b8e\u0ba9\u0bcd\u0ba9, \u0b87\u0ba4\u0bc1 \u0b8f\u0ba9\u0bcd 1990\u0b95\u0bb3\u0bbf\u0ba9\u0bcd VPN \u0baa\u0bcd\u0bb0\u0bcb\u0b9f\u0bcd\u0b9f\u0bcb\u0b95\u0bbe\u0bb2\u0bcd \u0bb5\u0bb4\u0b95\u0bcd\u0b95\u0bb1\u0bcd\u0bb1\u0bc1\u0baa\u0bcd \u0baa\u0bcb\u0ba9\u0ba4\u0bc1?[:te]PPTP \u0c05\u0c02\u0c1f\u0c47 \u0c0f\u0c2e\u0c3f\u0c1f\u0c3f \u0c2e\u0c30\u0c3f\u0c2f\u0c41 \u0c08 1990\u0c32 VPN \u0c2a\u0c4d\u0c30\u0c4b\u0c1f\u0c4b\u0c15\u0c3e\u0c32\u0c4d \u0c0e\u0c02\u0c26\u0c41\u0c15\u0c41 \u0c35\u0c3e\u0c21\u0c41\u0c15\u0c32\u0c4b \u0c32\u0c47\u0c26\u0c41?[:mr]PPTP \u092e\u094d\u0939\u0923\u091c\u0947 \u0915\u093e\u092f \u0906\u0923\u093f \u0939\u093e 1990s VPN \u092a\u094d\u0930\u094b\u091f\u094b\u0915\u0949\u0932 \u0905\u092a\u094d\u0930\u091a\u0932\u093f\u0924 \u0915\u093e \u0906\u0939\u0947?[:pa]PPTP \u0a15\u0a40 \u0a39\u0a48, \u0a05\u0a24\u0a47 \u0a07\u0a39 1990s VPN \u0a2a\u0a4d\u0a30\u0a4b\u0a1f\u0a4b\u0a15\u0a4b\u0a32 \u0a05\u0a2a\u0a4d\u0a30\u0a1a\u0a32\u0a3f\u0a24 \u0a15\u0a3f\u0a09\u0a02 \u0a39\u0a48?[:gu]PPTP \u0ab6\u0ac1\u0a82 \u0a9b\u0ac7 \u0a85\u0aa8\u0ac7 \u0ab6\u0abe \u0aae\u0abe\u0a9f\u0ac7 \u0a86 1990 \u0aa8\u0acb VPN \u0aaa\u0acd\u0ab0\u0acb\u0a9f\u0acb\u0a95\u0acb\u0ab2 \u0a85\u0aaa\u0acd\u0ab0\u0a9a\u0ab2\u0abf\u0aa4 \u0a9b\u0ac7?[:kn]PPTP \u0c8e\u0c82\u0ca6\u0cb0\u0cc7\u0ca8\u0cc1 \u0cae\u0ca4\u0ccd\u0ca4\u0cc1 \u0c87\u0ca6\u0cc1 1990 \u0cb0 VPN \u0caa\u0ccd\u0cb0\u0ccb\u0c9f\u0ccb\u0c95\u0cbe\u0cb2\u0ccd \u0c8f\u0c95\u0cc6 \u0cac\u0cb3\u0c95\u0cc6\u0caf\u0cb2\u0ccd\u0cb2\u0cbf\u0cb2\u0ccd\u0cb2?[:ro]Ce este PPTP \u0219i de ce este \u00eenvechit acest protocol VPN din anii 1990?[:el]\u03a4\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03bf PPTP \u03ba\u03b1\u03b9 \u03b3\u03b9\u03b1\u03c4\u03af \u03b1\u03c5\u03c4\u03cc \u03c4\u03bf \u03c0\u03c1\u03c9\u03c4\u03cc\u03ba\u03bf\u03bb\u03bb\u03bf VPN \u03c4\u03b7\u03c2 \u03b4\u03b5\u03ba\u03b1\u03b5\u03c4\u03af\u03b1\u03c2 \u03c4\u03bf\u03c5 1990 \u03b5\u03af\u03bd\u03b1\u03b9 \u03be\u03b5\u03c0\u03b5\u03c1\u03b1\u03c3\u03bc\u03ad\u03bd\u03bf;[:he]\u05de\u05d4\u05d5 PPTP \u05d5\u05de\u05d3\u05d5\u05e2 \u05e4\u05e8\u05d5\u05d8\u05d5\u05e7\u05d5\u05dc \u05d4-VPN \u05d4\u05d6\u05d4 \u05de\u05e9\u05e0\u05d5\u05ea \u05d4\u05ea\u05e9\u05e2\u05d9\u05dd \u05de\u05d9\u05d5\u05e9\u05df?[:cs]Co je PPTP a pro\u010d je tento protokol VPN z 90. let zastaral\u00fd?[:hu]Mi az a PPTP, \u00e9s mi\u00e9rt elavult ez az 1990-es \u00e9vek VPN-protokollja?[:sv]Vad \u00e4r PPTP och varf\u00f6r \u00e4r detta VPN-protokoll fr\u00e5n 1990-talet f\u00f6r\u00e5ldrat?[:da]Hvad er PPTP, og hvorfor er denne VPN-protokol fra 1990'erne for\u00e6ldet?[:no]Hva er PPTP, og hvorfor er denne VPN-protokollen fra 1990-tallet foreldet?[:fi]Mik\u00e4 on PPTP ja miksi t\u00e4m\u00e4 1990-luvun VPN-protokolla on vanhentunut?[:sr]\u0428\u0442\u0430 \u0458\u0435 \u041f\u041f\u0422\u041f \u0438 \u0437\u0430\u0448\u0442\u043e \u0458\u0435 \u043e\u0432\u0430\u0458 \u0412\u041f\u041d \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b \u0438\u0437 1990-\u0438\u0445 \u0437\u0430\u0441\u0442\u0430\u0440\u0435\u043e?[:hr]\u0160to je PPTP i za\u0161to je ovaj VPN protokol iz 1990-ih zastario?[:bg]\u041a\u0430\u043a\u0432\u043e \u0435 PPTP \u0438 \u0437\u0430\u0449\u043e \u0442\u043e\u0437\u0438 VPN \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b \u043e\u0442 90-\u0442\u0435 \u0433\u043e\u0434\u0438\u043d\u0438 \u0435 \u043e\u0441\u0442\u0430\u0440\u044f\u043b?[:sk]\u010co je PPTP a pre\u010do je tento protokol VPN z 90. rokov zastaran\u00fd?[:kk]PPTP \u0434\u0435\u0433\u0435\u043d\u0456\u043c\u0456\u0437 \u043d\u0435 \u0436\u04d9\u043d\u0435 \u043d\u0435\u0433\u0435 \u0431\u04b1\u043b 1990 \u0436\u044b\u043b\u0434\u0430\u0440\u0434\u0430\u0493\u044b VPN \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u044b \u0435\u0441\u043a\u0456\u0440\u0433\u0435\u043d?[:uz]PPTP nima va nima uchun bu 1990-yillardagi VPN protokoli eskirgan?[:az]PPTP n\u0259dir v\u0259 bu 1990-c\u0131 ill\u0259rin VPN protokolu niy\u0259 k\u00f6hn\u0259lmi\u015fdir?[:my]PPTP \u1006\u102d\u102f\u1010\u102c \u1018\u102c\u101c\u1032\u104a \u1018\u102c\u1000\u103c\u1031\u102c\u1004\u1037\u103a \u1012\u102b\u1000 \u1041\u1049\u1049\u1040 \u1001\u102f\u1014\u103e\u1005\u103a\u1019\u103b\u102c\u1038\u101b\u1032\u1037 VPN Protocol \u1000\u102d\u102f \u1021\u101e\u102f\u1036\u1038\u1019\u1015\u103c\u102f\u1010\u1031\u102c\u1037\u1010\u102c\u101c\u1032\u104b[:sw]PPTP ni nini, na kwa nini Itifaki hii ya VPN ya miaka ya 1990 imepitwa na wakati?[:ha]Menene PPTP, kuma Me yasa Wannan 1990s VPN Protocol ya \u0199are?[:am]PPTP \u121d\u1295\u12f5\u1295 \u1290\u12cd \u12a5\u1293 \u1208\u121d\u1295\u12f5\u1290\u12cd \u12ed\u1205 \u12e81990\u12ce\u1279 \u12e8\u126a\u1352\u12a4\u1295 \u1355\u122e\u1276\u12ae\u120d \u130a\u12dc\u12cd \u12eb\u1208\u1348\u1260\u1275?[:] - VPN Unlimited for Mac","og_description":"A PPTP seg\u00edtett abban, hogy a korai VPN-kapcsolatok gyorsak \u00e9s egyszer\u0171ek legyenek, de a biztons\u00e1gi \u00fatmutat\u00e1s tov\u00e1bb haladt. Ismerje meg, mi az a PPTP, mi\u00e9rt v\u00e1lt n\u00e9pszer\u0171v\u00e9, \u00e9s mi\u00e9rt kell a modern felhaszn\u00e1l\u00f3knak \u00f6r\u00f6k\u00f6lt VPN-protokollk\u00e9nt kezelni\u00fck.","og_url":"https:\/\/vpnappformac.com\/hu\/what-is-pptp-vpn-protocol-security-risks\/","og_site_name":"VPN Unlimited for Mac","article_published_time":"2026-07-25T03:29:29+00:00","article_modified_time":"2026-07-25T04:16:37+00:00","og_image":[{"width":1672,"height":941,"url":"https:\/\/vpnappformac.com\/wp-content\/uploads\/2026\/07\/1784950160-what-is-pptp-and-why-is-this-1990s-vpn-protocol-obsolete-pptp-vpn-security-cover.png","type":"image\/png"}],"twitter_card":"summary_large_image","twitter_misc":{"Becs\u00fclt olvas\u00e1si id\u0151":"271 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