{"id":298,"date":"2012-07-03T10:28:09","date_gmt":"2012-07-03T08:28:09","guid":{"rendered":"http:\/\/www.opencomp.hu\/?p=298"},"modified":"2020-03-25T10:29:06","modified_gmt":"2020-03-25T09:29:06","slug":"vpn-megoldasok-i-pptp-vpn-szerver","status":"publish","type":"post","link":"https:\/\/www.opencomp.hu\/?p=298","title":{"rendered":"VPN megold\u00e1sok I. \u2013 PPTP VPN szerver"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Napjainkban a VPN (Virtual Private Networking) -virtu\u00e1lis mag\u00e1nh\u00e1l\u00f3zat- f\u0151k\u00e9nt az IT szektorban dolgoz\u00f3k sz\u00e1m\u00e1ra nem kuri\u00f3zum. Napi szinten kell haszn\u00e1lniuk (nekem is), ami teljesen \u00e9rthet\u0151: biztons\u00e1goss\u00e1 \u00e9s k\u00e9nyelmess\u00e9 teszi az otthoni munk\u00e1t (home office). Seg\u00edts\u00e9g\u00e9vel a munkahelyi \u00e9s az otthoni h\u00e1l\u00f3zaton val\u00f3 munka k\u00f6z\u00f6tti k\u00fcl\u00f6nbs\u00e9g eleny\u00e9szik.&nbsp; Az OpenBSD biztons\u00e1goss\u00e1g\u00e1r\u00f3l m\u00e1r esett sz\u00f3; ennek magas foka miatt el\u0151szeretettel haszn\u00e1lj\u00e1k t\u0171zfalak, security gatewayek, VPN szerverek oper\u00e1ci\u00f3s rendszerek\u00e9nt. A VPN megold\u00e1sok egyik fajt\u00e1ja a PPTP VPN (Point-Point Tunneling Protocol). A k\u00f6vetkez\u0151kben ennek a konfigur\u00e1l\u00e1s\u00e1t szeretn\u00e9m bemutatni \u2013 OpenBSD-n.<br><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">VPN megold\u00e1sok I. \u2013 PPTP VPN szerver<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Nem szeretn\u00e9k m\u00e9lyebben belemenni a PPTP VPN ismertet\u00e9s\u00e9be&nbsp; (nem akarom az \u00edr\u00e1st h\u00e1l\u00f3zatbiztons\u00e1g fel\u00e9 el\u00fasztatni), de p\u00e1r sz\u00f3 erej\u00e9ig k\u00e9nytelen vagyok megtenni a jobb meg\u00e9rt\u00e9s kedv\u00e9\u00e9rt. A PPTP-t az RFC 2637 \u00edrja le r\u00e9szletesen. Maga a PPTP a TCP 1723 portot \u00e9s a GRE (IP 47-es) protokollt haszn\u00e1lja a tunnel fel\u00e9p\u00edt\u00e9s\u00e9hez, \u00e9s mivel PPP enkapszul\u00e1ci\u00f3t (eml\u00e9kezz\u00fcnk a modemes dial-in-re anno, az is PPP volt) haszn\u00e1l, innen a neve is: tunnelezett PPP protokoll. Ez volt az els\u0151 VPN protokoll, mely a Microsoft \u00e1ltal t\u00e1mogatott\u00e1 v\u00e1lt (mind kliens (Windows 95 OSR2 \u00f3ta!!!), mind szerver oldalon (RRAS service)). Titkos\u00edt\u00e1sra az MPPE 128 algoritmust haszn\u00e1lja, mely -meglep\u0151 m\u00f3don- 128 bites titkos\u00edt\u00e1st biztos\u00edt.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>El\u0151nyei:<\/strong><br>\u2013&nbsp;&nbsp; &nbsp;egyszer\u0171 megval\u00f3s\u00edt\u00e1s, mind kliens, mind szerver oldalon<br>\u2013&nbsp;&nbsp; &nbsp;be\u00e9p\u00edtett kliensoldali t\u00e1mogat\u00e1s Windows platformon<br>\u2013&nbsp;&nbsp; &nbsp;a legt\u00f6bb mobilplatform (Android, iOS, Windows Mobile, MacOS) is tartalmazza be\u00e9p\u00edtve<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>H\u00e1tr\u00e1nyai:<\/strong><br>\u2013&nbsp;&nbsp; &nbsp;a VPN megval\u00f3s\u00edt\u00e1sok k\u00f6z\u00f6tt csak k\u00f6z\u00e9p-er\u0151sen sz\u00e1m\u00edt biztons\u00e1gosnak<br>\u2013&nbsp;&nbsp; &nbsp;esetenk\u00e9nt neh\u00e9zkes egyedi route-k kioszt\u00e1sa a kliensnek<br>\u2013&nbsp;&nbsp; &nbsp;magasabb fok\u00fa biztons\u00e1gra csak j\u00f3val t\u00f6bb adminisztr\u00e1ci\u00f3val lehet felk\u00e9sz\u00edteni (pl. (P)EAP-TLS)<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Topol\u00f3gia:<\/h3>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><a href=\"http:\/\/blog.xorp.hu\/wp-content\/uploads\/2012\/07\/pptp_topo2.jpg\"><img decoding=\"async\" src=\"http:\/\/blog.xorp.hu\/wp-content\/uploads\/2012\/07\/pptp_topo2-300x194.jpg\" alt=\"\" class=\"wp-image-7376\"\/><\/a><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">A topol\u00f3gia szerint van nek\u00fcnk egy munkahelyi h\u00e1l\u00f3zatunk, kiszolg\u00e1l\u00f3kkal, k\u00f6zt\u00fck egy irodai pc-vel \u00e9s van egy otthoni PC-nk, melyr\u0151l szeretn\u00e9nk biztons\u00e1gos m\u00f3don el\u00e9rni a munkahelyi h\u00e1l\u00f3zatot. &nbsp;Mivel \u00e9n most a tesztet otthoni virtual pc-s k\u00f6rnyezetben v\u00e9geztem, nem szimul\u00e1ltam k\u00fcl\u00f6n szolg\u00e1ltat\u00f3i h\u00e1l\u00f3zatot, de ez nem is fontos a teszt szempontj\u00e1b\u00f3l.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A teszt irodai PC IP-je: 10.0.0.2<br>A VPN szerver irodai h\u00e1l\u00f3zat fel\u00e9 \u201en\u00e9z\u0151\u201d IP-je: 10.0.0.1<br>A VPN szerver publikus IP-je: 192.168.55.13<br>Az otthoni PC IP-je: 192.168.55.14<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Router nincs k\u00f6zt\u00fck, &nbsp;\u00e9s a VPN szerveren sincs route, csak maga a fut\u00f3 PPTP daemon. A c\u00e9l: az otthoni pc \u00e9rje el az irodai pc-t.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Konfigur\u00e1ci\u00f3 \u2013 szerver oldalr\u00f3l:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">OpenBSD-n&nbsp; PPTP VPN szerver funkci\u00f3t a PoPToP nev\u0171 port tudja biztos\u00edtani. Ezt a szokott m\u00f3don a port-f\u00e1b\u00f3l tudjuk telep\u00edteni:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"># cd \/usr\/ports\/net\/poptop\/<br># make install<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ezzel meg is vagyunk. N\u00e9zz\u00fck a konfigur\u00e1ci\u00f3t l\u00e9p\u00e9senk\u00e9nt:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>1., A tun interfacek l\u00e9trehoz\u00e1sa<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"># cd \/dev<br># .\/MAKEDEV tun? (ahol a ? a tunnel interface sz\u00e1ma, &gt;4-t\u0151l indul)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>2., az \/etc\/pptpd.conf file tartalma<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">option \/etc\/ppp\/ppp.conf<br># Ez az IP egy subnetben van az irodai pc-vel<br>localip 10.0.0.1<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"># Ebb\u0151l a tartom\u00e1nyb\u00f3l fog kapni a kliens\u00fcnk IP-t<br>remoteip 10.0.0.3-10<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"># Ez az IP a VPN szerver k\u00fcls\u0151 \u201cl\u00e1ba\u201d<br># Ide fog csatlakozni a kliens<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">listen 192.168.55.13<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">pidfile \/var\/run\/pptpd.pid<br>noipparam<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>3., az \/etc\/ppp\/ppp.conf file tartalma<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">loop:<br>set timeout 0<br>set log phase chat connect lcp ipcp command<br>set device localhost:pptp<br>set dial<br>set login<br>set mppe * stateful<br>set ifaddr 10.0.0.1 10.0.0.3-10 255.255.255.255<br>set server \/tmp\/loop \u201c\u201d 0177<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">loop-in:<br>set timeout 0<br>set log phase lcp ipcp command<br>allow mode direct<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">pptp:<br>load loop<br>disable pap<br>disable chap<br>enable mschapv2<br>disable deflate pred1<br>deny deflate pred1<br>disable ipv6<br>accept mppe<br>enable proxy<br>accept dns<br>set dns 192.168.55.1<br>set nbns 192.168.55.1<br>set device !\/etc\/ppp\/secure<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>4., az \/etc\/ppp\/secure file tartalma (futtathat\u00f3)<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">#!\/bin\/sh<br>exec \/usr\/sbin\/ppp -direct loop-in<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>5., az \/etc\/ppp\/ppp.secret tartalma<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"># Authname Authkey&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Peer\u2019s IP address&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Label&nbsp;&nbsp; Callback<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">tompika&nbsp;&nbsp;&nbsp; testpass&nbsp;&nbsp;&nbsp;&nbsp; 10.0.0.3<br>horsedick&nbsp; bigbraner&nbsp;&nbsp;&nbsp; 10.0.0.4<br>secuser&nbsp;&nbsp;&nbsp; securepass&nbsp;&nbsp; 10.0.0.5<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>6., Ind\u00edt\u00e1s (\/etc\/rc.conf-ba pptpd=YES)<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\/etc\/rc.d\/pptpd start<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Szerver oldalr\u00f3l k\u00e9szen is vagyunk!<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Konfigur\u00e1ci\u00f3 \u2013 kliens oldalr\u00f3l:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A kliens legyen egy Windows7 (ezzel fogom bemutatni), de lehet XP, Vista, stb.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1., Vez\u00e9rl\u0151pult\\Minden vez\u00e9rl\u0151pultelem\\H\u00e1l\u00f3zati \u00e9s megoszt\u00e1si k\u00f6zpont<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2., \u00daj kapcsolat vagy h\u00e1l\u00f3zat be\u00e1ll\u00edt\u00e1sa<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">3., Kapcsol\u00f3d\u00e1s munkahelyhez (majd: Tov\u00e1bb)<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><a href=\"http:\/\/blog.xorp.hu\/wp-content\/uploads\/2012\/07\/1.jpg\"><img decoding=\"async\" src=\"http:\/\/blog.xorp.hu\/wp-content\/uploads\/2012\/07\/1-300x219.jpg\" alt=\"\" class=\"wp-image-7379\"\/><\/a><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">4., Saj\u00e1t internetkapcsolat (mag\u00e1nh\u00e1l\u00f3zat) haszn\u00e1lata (majd: Tov\u00e1bb)<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><a href=\"http:\/\/blog.xorp.hu\/wp-content\/uploads\/2012\/07\/2.jpg\"><img decoding=\"async\" src=\"http:\/\/blog.xorp.hu\/wp-content\/uploads\/2012\/07\/2-300x216.jpg\" alt=\"\" class=\"wp-image-7380\"\/><\/a><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">5., T\u00f6lts\u00fck ki az internetc\u00edmet (ez az az IP c\u00edm mely a&nbsp;<strong>\/etc\/pptpd.conf<\/strong>&nbsp;\u2018listen\u2019 szekci\u00f3j\u00e1ban szerepel).<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><a href=\"http:\/\/blog.xorp.hu\/wp-content\/uploads\/2012\/07\/31.jpg\"><img decoding=\"async\" src=\"http:\/\/blog.xorp.hu\/wp-content\/uploads\/2012\/07\/31-300x215.jpg\" alt=\"\" class=\"wp-image-7382\"\/><\/a><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">6., a szerveren lev\u0151&nbsp;<strong>\/etc\/ppp\/ppp.secret<\/strong>&nbsp;-ban szerepl\u0151 username-pass p\u00e1ros valamelyike (majd Kattintsunk a \u2018L\u00e9trehoz\u00e1s\u2019 gombra )<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><a href=\"http:\/\/blog.xorp.hu\/wp-content\/uploads\/2012\/07\/4.jpg\"><img decoding=\"async\" src=\"http:\/\/blog.xorp.hu\/wp-content\/uploads\/2012\/07\/4-300x211.jpg\" alt=\"\" class=\"wp-image-7383\"\/><\/a><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">7., Az itt lev\u0151 k\u00e9perny\u0151n NE kattintsunk a \u2018Csatlakoz\u00e1sra\u2019, csak z\u00e1rjuk be az ablakot.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">8., Menj\u00fcnk a Vez\u00e9rl\u0151pult\\H\u00e1l\u00f3zat \u00e9s internet\\H\u00e1l\u00f3zati kapcsolatok ablakba.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><a href=\"http:\/\/blog.xorp.hu\/wp-content\/uploads\/2012\/07\/7.jpg\"><img decoding=\"async\" src=\"http:\/\/blog.xorp.hu\/wp-content\/uploads\/2012\/07\/7-300x65.jpg\" alt=\"\" class=\"wp-image-7386\"\/><\/a><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">9., Nyomjunk jobb eg\u00e9rgombot a l\u00e9trehozott \u2018First OpenBSD PPTP test\u2019 csatol\u00f3n, \u00e9s v\u00e1lasszuk a \u2018Tulajdons\u00e1gok\u2019 men\u00fcpontot.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><a href=\"http:\/\/blog.xorp.hu\/wp-content\/uploads\/2012\/07\/8.jpg\"><img decoding=\"async\" src=\"http:\/\/blog.xorp.hu\/wp-content\/uploads\/2012\/07\/8-222x300.jpg\" alt=\"\" class=\"wp-image-7387\"\/><\/a><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">10., Itt az IPv4 protokoll tulajdons\u00e1gait v\u00e1lasszuk!<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><a href=\"http:\/\/blog.xorp.hu\/wp-content\/uploads\/2012\/07\/9.jpg\"><img decoding=\"async\" src=\"http:\/\/blog.xorp.hu\/wp-content\/uploads\/2012\/07\/9-273x300.jpg\" alt=\"\" class=\"wp-image-7388\"\/><\/a><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">11., Ez fontos l\u00e9p\u00e9s! Vegy\u00fck ki a pip\u00e1t az \u2018Alap\u00e9rtelmezett \u00e1tj\u00e1r\u00f3 haszn\u00e1lata a t\u00e1voli h\u00e1l\u00f3zaton\u2019 xheckbox-b\u00f3l. Ha ezt nem tessz\u00fck, akkor MINDEN internet forgalmunkat ide fogja ir\u00e1ny\u00edtani a tunnel (ezt nem akarjuk).<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><a href=\"http:\/\/blog.xorp.hu\/wp-content\/uploads\/2012\/07\/10.jpg\"><img decoding=\"async\" src=\"http:\/\/blog.xorp.hu\/wp-content\/uploads\/2012\/07\/10-254x300.jpg\" alt=\"\" class=\"wp-image-7389\"\/><\/a><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">12., OK-zzunk le mindent, majd:<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><a href=\"http:\/\/blog.xorp.hu\/wp-content\/uploads\/2012\/07\/11.jpg\"><img decoding=\"async\" src=\"http:\/\/blog.xorp.hu\/wp-content\/uploads\/2012\/07\/11-300x140.jpg\" alt=\"\" class=\"wp-image-7390\"\/><\/a><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">12., Nyomjuk meg a \u2018Csatlakoz\u00e1s\u2019 gombot!<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><a href=\"http:\/\/blog.xorp.hu\/wp-content\/uploads\/2012\/07\/12.jpg\"><img decoding=\"async\" src=\"http:\/\/blog.xorp.hu\/wp-content\/uploads\/2012\/07\/12-300x109.jpg\" alt=\"\" class=\"wp-image-7391\"\/><\/a><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">13., K\u00e9sz vagyunk! Ellen\u0151rizz\u00fck, mit csin\u00e1ltunk!<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><a href=\"http:\/\/blog.xorp.hu\/wp-content\/uploads\/2012\/07\/13.jpg\"><img decoding=\"async\" src=\"http:\/\/blog.xorp.hu\/wp-content\/uploads\/2012\/07\/13-300x89.jpg\" alt=\"\" class=\"wp-image-7392\"\/><\/a><\/figure><\/div>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><a href=\"http:\/\/blog.xorp.hu\/wp-content\/uploads\/2012\/07\/14.jpg\"><img decoding=\"async\" src=\"http:\/\/blog.xorp.hu\/wp-content\/uploads\/2012\/07\/14-300x111.jpg\" alt=\"\" class=\"wp-image-7393\"\/><\/a><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">R\u00e9szletek:<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><a href=\"http:\/\/blog.xorp.hu\/wp-content\/uploads\/2012\/07\/16.jpg\"><img decoding=\"async\" src=\"http:\/\/blog.xorp.hu\/wp-content\/uploads\/2012\/07\/16-300x224.jpg\" alt=\"\" class=\"wp-image-7396\"\/><\/a><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Mindek\u00f6zben a PPTP szerven is megjelent egy interface:<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><a href=\"http:\/\/blog.xorp.hu\/wp-content\/uploads\/2012\/07\/15.jpg\"><img decoding=\"async\" src=\"http:\/\/blog.xorp.hu\/wp-content\/uploads\/2012\/07\/15-300x61.jpg\" alt=\"\" class=\"wp-image-7395\"\/><\/a><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">A teszt\u00fcnk teh\u00e1t sikeres volt. A PPTP VPN tunnel a k\u00e9t, egym\u00e1st\u00f3l f\u00fcggetlen h\u00e1l\u00f3zat k\u00f6z\u00f6tt fel\u00e9p\u00fclt. Az ellenoldali node-k l\u00e1tj\u00e1k egym\u00e1st, el\u00e9rik egym\u00e1st.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u00d6sszegz\u00e9s:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Maga a le\u00edr\u00e1s a sok screenshottal tal\u00e1n hossz\u00fa volt, de a fentebbi m\u0171k\u00f6d\u0151 konfigur\u00e1ci\u00f3 \u00e9letre kelt\u00e9se negyed \u00f3r\u00e1n bel\u00fcl t\u00f6rt\u00e9nt. A PPTP&nbsp; gyakran haszn\u00e1lt protokoll VPN tunnel fel\u00e9p\u00edt\u00e9s\u00e9re. V\u00e1llalati vagy Small Office k\u00f6rnyezetben, ahol az infrastrukt\u00fara \u00e9s az erre ford\u00edthat\u00f3 \u00f6sszeg v\u00e9ges, gyakran tal\u00e1lkozhatunk ezzel a megold\u00e1ssal. Egyszer\u0171, megb\u00edzhat\u00f3 \u00e9s k\u00f6nnyen is konfigur\u00e1lhat\u00f3; ehhez hasonl\u00f3 sz\u00e1jbar\u00e1g\u00f3s le\u00edr\u00e1s alapj\u00e1n rendszergazdai ismeretek n\u00e9lk\u00fcl is k\u00f6nnyen be\u00e1ll\u00edthat\u00f3 (itt term\u00e9szetesen kliensoldalr\u00f3l besz\u00e9lek). A szerveroldalon, mint szint\u00e9n l\u00e1that\u00f3, minim\u00e1lis odafigyel\u00e9ssel fel lehet \u00e9p\u00edteni a PPTP kiszolg\u00e1l\u00f3t. B\u00edzom benne, hogy e le\u00edr\u00e1s seg\u00edts\u00e9g\u00e9re lesz m\u00e1snak is.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Napjainkban a VPN (Virtual Private Networking) -virtu\u00e1lis mag\u00e1nh\u00e1l\u00f3zat- f\u0151k\u00e9nt az IT szektorban dolgoz\u00f3k sz\u00e1m\u00e1ra nem kuri\u00f3zum. Napi szinten kell haszn\u00e1lniuk (nekem is), ami teljesen \u00e9rthet\u0151: biztons\u00e1goss\u00e1 \u00e9s k\u00e9nyelmess\u00e9 teszi az otthoni munk\u00e1t (home office). Seg\u00edts\u00e9g\u00e9vel a munkahelyi \u00e9s az otthoni h\u00e1l\u00f3zaton val\u00f3 munka k\u00f6z\u00f6tti k\u00fcl\u00f6nbs\u00e9g eleny\u00e9szik.&nbsp; Az OpenBSD biztons\u00e1goss\u00e1g\u00e1r\u00f3l m\u00e1r esett sz\u00f3; ennek magas foka &hellip; <a href=\"https:\/\/www.opencomp.hu\/?p=298\" class=\"more-link\"><span class=\"screen-reader-text\">&#8222;VPN megold\u00e1sok I. \u2013 PPTP VPN szerver&#8221;<\/span> b\u0151vebben<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-298","post","type-post","status-publish","format-standard","hentry","category-blogpost"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Napjainkban a VPN (Virtual Private Networking) -virtu\u00e1lis mag\u00e1nh\u00e1l\u00f3zat- f\u0151k\u00e9nt az IT szektorban dolgoz\u00f3k sz\u00e1m\u00e1ra nem kuri\u00f3zum. 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Az OpenBSD biztons\u00e1goss\u00e1g\u00e1r\u00f3l m\u00e1r esett sz\u00f3; ennek magas foka","twitter:image":"https:\/\/www.opencomp.hu\/wp-content\/uploads\/2020\/03\/cropped-opencomp-8.png?fit=24070&ssl=1"},"aioseo_meta_data":{"post_id":"298","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":"default","schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"breadcrumb_settings":null,"limit_modified_date":false,"ai":null,"created":"2023-01-05 19:02:30","updated":"2025-06-04 06:40:37","seo_analyzer_scan_date":null},"aioseo_breadcrumb":"<div class=\"aioseo-breadcrumbs\"><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/www.opencomp.hu\" title=\"Home\">Home<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/www.opencomp.hu\/?cat=4\" title=\"blogpost\">blogpost<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\tVPN megold\u00e1sok I. \u2013 PPTP VPN szerver\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/www.opencomp.hu"},{"label":"blogpost","link":"https:\/\/www.opencomp.hu\/?cat=4"},{"label":"VPN megold\u00e1sok I. \u2013 PPTP VPN szerver","link":"https:\/\/www.opencomp.hu\/?p=298"}],"_links":{"self":[{"href":"https:\/\/www.opencomp.hu\/index.php?rest_route=\/wp\/v2\/posts\/298","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.opencomp.hu\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.opencomp.hu\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.opencomp.hu\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.opencomp.hu\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=298"}],"version-history":[{"count":1,"href":"https:\/\/www.opencomp.hu\/index.php?rest_route=\/wp\/v2\/posts\/298\/revisions"}],"predecessor-version":[{"id":299,"href":"https:\/\/www.opencomp.hu\/index.php?rest_route=\/wp\/v2\/posts\/298\/revisions\/299"}],"wp:attachment":[{"href":"https:\/\/www.opencomp.hu\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=298"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.opencomp.hu\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=298"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.opencomp.hu\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=298"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}