{"id":33404,"date":"2019-09-21T12:36:15","date_gmt":"2019-09-21T09:06:15","guid":{"rendered":"https:\/\/airoserver.com\/?p=1383"},"modified":"2022-04-04T09:32:36","modified_gmt":"2022-04-04T05:02:36","slug":"proxy-server","status":"publish","type":"post","link":"https:\/\/airoserver.com\/de\/engagiert\/proxyserver\/","title":{"rendered":"Proxy-Server"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Vielleicht haben Sie schon einmal von Proxy geh\u00f6rt. In diesem Beitrag werden wir Ihnen alle notwendigen Informationen dar\u00fcber geben. Werfen Sie zun\u00e4chst einen Blick auf dieses Bild:<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\"><strong>Haben Sie diese Nachricht schon einmal gesehen?<\/strong><\/p>\r\n\r\n\r\n\r\n<figure class=\"wp-block-image\"><img decoding=\"async\" class=\"wp-image-1384\" src=\"https:\/\/airoserver.com\/wp-content\/uploads\/2019\/09\/This-item-is-not-available-in-your-country.jpg\" alt=\"ip-Beschr\u00e4nkung\" \/><\/figure>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Alle Ger\u00e4te auf dem <a href=\"https:\/\/en.wikipedia.org\/wiki\/Internet\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Internet (\u00f6ffnet in einer neuen Registerkarte)\">Internet<\/a> sind bekannt durch ihre <a href=\"https:\/\/airoserver.com\/de\/blog\/what-is-ip\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"IP (\u00f6ffnet in einer neuen Registerkarte)\">IP<\/a>. Wenn also etwas wie die obige Meldung erscheint, liegt das daran, dass Ihre IP nicht auf den angeforderten Server zugreifen darf. Diese IP-Beschr\u00e4nkung kann aus verschiedenen Gr\u00fcnden erfolgen. An dieser Stelle w\u00fcrden Sie sich vielleicht w\u00fcnschen, dass es eine M\u00f6glichkeit g\u00e4be, Ihre IP zu \u00e4ndern. In diesem Fall kann ein Proxy Ihnen helfen.<\/p>\r\n\r\n\r\n\r\n<h4 class=\"wp-block-heading\"><strong>Was ist ein Proxyserver?<\/strong><\/h4>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Ein Proxy kann ein Server oder eine auf einem Ger\u00e4t installierte Software sein. Das bedeutet, dass es einige Netzwerkger\u00e4te gibt, die Sie konfigurieren und als Proxyserver verwenden k\u00f6nnen.<\/p>\r\n\r\n\r\n\r\n<h4 class=\"wp-block-heading\"><strong>Was bewirkt es?<\/strong><\/h4>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Der Proxy-Server ist ein Mittelsmann zwischen Ihnen und dem angeforderten Server. Er empf\u00e4ngt Ihre Anfrage, sendet sie an den angeforderten Server und sammelt dann die Antwort des Servers und gibt sie an Sie weiter. Worum geht es dabei? Erinnern Sie sich an das Problem, das wir am Anfang dieses Artikels erw\u00e4hnt haben? Der Proxy kann irgendwie etwas tun, was der Server nicht versteht, dass Sie es sind, der die Anfrage stellt.<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Lassen Sie sich den genauen Ablauf erkl\u00e4ren. Sie \u00f6ffnen Ihren Browser und suchen eine Website oder eine Anwendung (beides sind Anfragen, die an einen Server geschickt werden m\u00fcssen). Sie sind \u00fcber Ihre eindeutige IP-Adresse mit dem Internet verbunden. Wenn Ihre IP-Adresse eingeschr\u00e4nkt ist, k\u00f6nnen Sie keine Antwort auf Ihre Anfrage erhalten. An dieser Stelle kommt der Proxy ins Spiel und fungiert als Vermittler. Der Proxy empf\u00e4ngt die Anfrage von Ihnen und sendet sie dann mit einer seiner eigenen IP-Adressen an den angeforderten Server. Der Server sieht Ihre IP-Adresse nicht und kann nur die IP-Adresse des Proxy-Servers sehen, also antwortet er. Der Proxy-Server erh\u00e4lt die Antwort und gibt sie an uns weiter. Sowohl der Server als auch der Endbenutzer sehen und sp\u00fcren diese Schritte nicht. F\u00fcr sie laufen all diese Schritte wie eine normale Anfrage und Antwort ab. Der Proxy ist also f\u00fcr das Internet quasi unsichtbar und hilft uns nur, das zu bekommen, was wir wollen.<\/p>\r\n\r\n\r\n\r\n<figure class=\"wp-block-image\"><img decoding=\"async\" class=\"wp-image-1386\" src=\"https:\/\/airoserver.com\/wp-content\/uploads\/2019\/09\/internet-forward_proxy.jpg\" alt=\"Was tut der Bevollm\u00e4chtigte?\" \/><\/figure>\r\n\r\n\r\n\r\n<h4 class=\"wp-block-heading\"><strong>Vorteile:<\/strong><\/h4>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\"><strong>Zugang zu blockierten Ressourcen:<\/strong> Wir haben bereits \u00fcber diesen wichtigen Vorteil gesprochen. Um es kurz zu sagen, es kann einen Server (<a href=\"https:\/\/airoserver.com\/de\/engagiert\/webserver\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Webserver (\u00f6ffnet in einer neuen Registerkarte)\">Webserver<\/a> oder ...) in Ihrem Namen (mit seiner eigenen IP) und geben Sie uns die Antwort.<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\"><strong>Bandbreiteneinsparungen und h\u00f6here Geschwindigkeiten:<\/strong>\u00a0Ein Proxy kann eine Website zwischenspeichern (eine Kopie der Website speichern). Wenn also ein Server viele Anfragen erh\u00e4lt, sendet der Proxy die Anfrage nur einmal dorthin und speichert die beantworteten Informationen im Cache. Wenn also das n\u00e4chste Mal eine Anfrage f\u00fcr diesen Server eingeht, sucht er zuerst in seinem Cache. Wenn er die ben\u00f6tigten Informationen findet, gibt er diese an Sie weiter und stellt keine Anfrage mehr an den Zielserver.<strong>.<\/strong>Dadurch wird der Anfrageprozess schneller und verbraucht weniger Bandbreite, da der Proxy Anfragen nur dann sendet, wenn er die Antwort nicht in seinem Cache gespeichert hat.<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\"><strong>Verbesserte Sicherheit: <\/strong>Proxy-Server k\u00f6nnen so konfiguriert werden, dass sie Ihre Webanfragen verschl\u00fcsseln, damit neugierige Augen Ihre Transaktionen nicht mitlesen k\u00f6nnen.<\/p>","protected":false},"excerpt":{"rendered":"<p>Vielleicht haben Sie schon einmal von Proxy geh\u00f6rt. In diesem Beitrag werden wir Ihnen alle notwendigen Informationen dar\u00fcber geben. Werfen Sie zun\u00e4chst einen Blick auf dieses Bild: Haben Sie diese Meldung schon einmal gesehen? Alle Ger\u00e4te im Internet sind durch ihre IP-Adresse bekannt. Wenn also so etwas wie die obige Meldung passiert, ist es [...]<\/p>","protected":false},"author":5,"featured_media":33985,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[179,176],"tags":[85,177,184,180],"class_list":["post-33404","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-airoserver","category-dedicated","tag-airoserver","tag-dedicated-server","tag-network","tag-security"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Proxy Server<\/title>\n<meta name=\"description\" content=\"Some servers restrict some ips and don&#039;t accept their requests, Proxy can do something that the server wouldn\u2019t understand it\u2019s you who is requesting.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, 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