{"id":99,"date":"2020-08-06T12:11:57","date_gmt":"2020-08-06T10:11:57","guid":{"rendered":"https:\/\/wiki.activenet.sk\/?p=99"},"modified":"2021-02-03T16:21:22","modified_gmt":"2021-02-03T15:21:22","slug":"kontrola-portov-pre-pptp-vpn","status":"publish","type":"post","link":"https:\/\/wiki.activenet.sk\/index.php\/2020\/08\/06\/kontrola-portov-pre-pptp-vpn\/","title":{"rendered":"Kontrola portov pre PPtP (VPN)"},"content":{"rendered":"\n<p>Pre pripojenie k externej sieti sa vyu\u017e\u00edva viacero r\u00f4znych tunelov IPsec \/ L2TP, PPtP, SSTP &#8230; V tomto \u010dl\u00e1nku sa pozrieme na PPtP tunel.<\/p>\n\n\n\n<p>PPtP protokol vyu\u017e\u00edva TCP port 1723 pre vytovrenie spojenia klienta so serverom.<br>Ak m\u00e1te firewall na sieti, alebo v\u00e1\u0161 ISP poskytovate\u013e internetu blokuje port 1723, tak sa v\u00e1m VPN nepodar\u00ed nakonfigurova\u0165. Kontrolu portov viete spravi\u0165 cez PortQuery. Niekedy je probl\u00e9m vo fragment\u00e1ci\u00ed sietov\u00fdch paketov &#8211; MTU. Posledn\u00e1 chyba PPtP tunela je \u017ee v danej sieti m\u00f4\u017ee by\u0165 iba jeden &#8211; ke\u010f niekto pou\u017eije PPtP tak druh\u00fd sa u\u017e neprihl\u00e1si.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Kontrola portov cez PortQuery <\/h2>\n\n\n\n<p><strong>1. Stiahni PortQuery<\/strong><\/p>\n\n\n\n<p>Na Microsoft str\u00e1nke je aplik\u00e1cia PortQueryUI ktor\u00fa treba stiahnu\u0165 <br><a rel=\"noreferrer noopener\" href=\"https:\/\/download.microsoft.com\/download\/3\/f\/4\/3f4c6a54-65f0-4164-bdec-a3411ba24d3a\/PortQryUI.exe\" target=\"_blank\">https:\/\/download.microsoft.com\/download\/3\/f\/4\/3f4c6a54-65f0-4164-bdec-a3411ba24d3a\/PortQryUI.exe<\/a><\/p>\n\n\n\n<p><strong>2. Nain\u0161taluj aplik\u00e1ciu<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" loading=\"lazy\" width=\"377\" height=\"357\" src=\"https:\/\/wiki.activenet.sk\/wp-content\/uploads\/2020\/08\/Untitled.png\" alt=\"\" class=\"wp-image-108\" srcset=\"https:\/\/wiki.activenet.sk\/wp-content\/uploads\/2020\/08\/Untitled.png 377w, https:\/\/wiki.activenet.sk\/wp-content\/uploads\/2020\/08\/Untitled-300x284.png 300w, https:\/\/wiki.activenet.sk\/wp-content\/uploads\/2020\/08\/Untitled-250x237.png 250w\" sizes=\"(max-width: 377px) 100vw, 377px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" loading=\"lazy\" width=\"347\" height=\"217\" src=\"https:\/\/wiki.activenet.sk\/wp-content\/uploads\/2020\/08\/image-7.png\" alt=\"\" class=\"wp-image-107\" srcset=\"https:\/\/wiki.activenet.sk\/wp-content\/uploads\/2020\/08\/image-7.png 347w, https:\/\/wiki.activenet.sk\/wp-content\/uploads\/2020\/08\/image-7-300x188.png 300w, https:\/\/wiki.activenet.sk\/wp-content\/uploads\/2020\/08\/image-7-250x156.png 250w\" sizes=\"(max-width: 347px) 100vw, 347px\" \/><\/figure>\n\n\n\n<p><strong>3. Spusti PortQuery<\/strong><\/p>\n\n\n\n<p>Otestujeme napr\u00edklad vpn.activenet.sk port 1723 TCP<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" loading=\"lazy\" width=\"589\" height=\"655\" src=\"https:\/\/wiki.activenet.sk\/wp-content\/uploads\/2020\/08\/image-8.png\" alt=\"\" class=\"wp-image-109\" srcset=\"https:\/\/wiki.activenet.sk\/wp-content\/uploads\/2020\/08\/image-8.png 589w, https:\/\/wiki.activenet.sk\/wp-content\/uploads\/2020\/08\/image-8-270x300.png 270w, https:\/\/wiki.activenet.sk\/wp-content\/uploads\/2020\/08\/image-8-225x250.png 225w\" sizes=\"(max-width: 589px) 100vw, 589px\" \/><\/figure>\n\n\n\n<p>Ak je v\u00fdsledok (return code) 0x00000000 tak port je otvoren\u00fd, spojenie je funk\u010dn\u00e9.<br>V pr\u00edpade chyby dostanete k\u00f3d napr\u00edklad 0x00000002.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Knotrola MTU<\/h2>\n\n\n\n<p>asdfasdf<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Pre pripojenie k externej sieti sa vyu\u017e\u00edva viacero r\u00f4znych tunelov IPsec \/ L2TP, PPtP, SSTP &#8230; V tomto \u010dl\u00e1nku sa pozrieme na PPtP tunel. PPtP protokol vyu\u017e\u00edva TCP port 1723 pre vytovrenie spojenia klienta so serverom.Ak m\u00e1te firewall na sieti, alebo v\u00e1\u0161 ISP poskytovate\u013e internetu blokuje port 1723, tak sa v\u00e1m VPN nepodar\u00ed nakonfigurova\u0165. Kontrolu [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[8],"tags":[],"_links":{"self":[{"href":"https:\/\/wiki.activenet.sk\/index.php\/wp-json\/wp\/v2\/posts\/99"}],"collection":[{"href":"https:\/\/wiki.activenet.sk\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wiki.activenet.sk\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wiki.activenet.sk\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/wiki.activenet.sk\/index.php\/wp-json\/wp\/v2\/comments?post=99"}],"version-history":[{"count":4,"href":"https:\/\/wiki.activenet.sk\/index.php\/wp-json\/wp\/v2\/posts\/99\/revisions"}],"predecessor-version":[{"id":288,"href":"https:\/\/wiki.activenet.sk\/index.php\/wp-json\/wp\/v2\/posts\/99\/revisions\/288"}],"wp:attachment":[{"href":"https:\/\/wiki.activenet.sk\/index.php\/wp-json\/wp\/v2\/media?parent=99"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wiki.activenet.sk\/index.php\/wp-json\/wp\/v2\/categories?post=99"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wiki.activenet.sk\/index.php\/wp-json\/wp\/v2\/tags?post=99"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}