{"id":2885,"date":"2023-07-17T18:43:32","date_gmt":"2023-07-17T16:43:32","guid":{"rendered":"http:\/\/fliegerhorst.dyndns.org\/?p=2885"},"modified":"2023-07-19T20:15:50","modified_gmt":"2023-07-19T18:15:50","slug":"ip-forwarding-einschalten","status":"publish","type":"post","link":"https:\/\/fliegerhorst.dyndns.org\/index.php\/2023\/07\/17\/ip-forwarding-einschalten\/","title":{"rendered":"IP-Forwarding einschalten"},"content":{"rendered":"\n<p>Wenn man zwei Netzwerkinterfaces hat und m\u00f6chte man Daten zwischen diesen durch den Server leiten, dann mu\u00df man im Kernel das IP-Forwarding einschalten.<\/p>\n\n\n\n<p>F\u00fchre einfach den folgenden Befehl aus, um IP-Weiterleitung einzuschalten:<\/p>\n\n\n\n<div class=\"wp-block-codemirror-blocks-code-block code-block\"><pre class=\"CodeMirror\" data-setting=\"{&quot;showPanel&quot;:true,&quot;languageLabel&quot;:false,&quot;fullScreenButton&quot;:true,&quot;copyButton&quot;:true,&quot;mode&quot;:&quot;shell&quot;,&quot;mime&quot;:&quot;text\/x-sh&quot;,&quot;theme&quot;:&quot;liquibyte&quot;,&quot;lineNumbers&quot;:false,&quot;styleActiveLine&quot;:true,&quot;lineWrapping&quot;:false,&quot;readOnly&quot;:true,&quot;fileName&quot;:&quot;&quot;,&quot;language&quot;:&quot;Shell&quot;,&quot;maxHeight&quot;:&quot;400px&quot;,&quot;modeName&quot;:&quot;shell&quot;}\">root@Fliegerhost:\/etc# sysctl -w net.ipv4.ip_forward=1<\/pre><\/div>\n\n\n\n<p>Wenn dieser Befehl \u00fcber einen Shell-Prompt ausgef\u00fchrt wird, wird die Einstellung nach einem Neustart nicht behalten. Deshalb sollte permanentes Weiterleiten eingestellt werden indem die <kbd>\/etc\/sysctl.conf<\/kbd> Datei bearbeitet wird. Dazu ist einfach die folgende Zeile zu suchen und die 0 mit 1 zu ersetzen:<\/p>\n\n\n\n<div class=\"wp-block-codemirror-blocks-code-block code-block\"><pre class=\"CodeMirror\" data-setting=\"{&quot;showPanel&quot;:true,&quot;languageLabel&quot;:false,&quot;fullScreenButton&quot;:true,&quot;copyButton&quot;:true,&quot;mode&quot;:&quot;shell&quot;,&quot;mime&quot;:&quot;text\/x-sh&quot;,&quot;theme&quot;:&quot;liquibyte&quot;,&quot;lineNumbers&quot;:false,&quot;styleActiveLine&quot;:true,&quot;lineWrapping&quot;:false,&quot;readOnly&quot;:true,&quot;fileName&quot;:&quot;&quot;,&quot;language&quot;:&quot;Shell&quot;,&quot;maxHeight&quot;:&quot;400px&quot;,&quot;modeName&quot;:&quot;shell&quot;}\">net.ipv4.ip_forward = 1<\/pre><\/div>\n\n\n\n<p>F\u00fchre den folgenden Befehl aus, um die \u00c4nderung der <kbd>sysctl.conf<\/kbd> Datei zu erm\u00f6glichen:<\/p>\n\n\n\n<div class=\"wp-block-codemirror-blocks-code-block code-block\"><pre class=\"CodeMirror\" data-setting=\"{&quot;showPanel&quot;:true,&quot;languageLabel&quot;:false,&quot;fullScreenButton&quot;:true,&quot;copyButton&quot;:true,&quot;mode&quot;:&quot;shell&quot;,&quot;mime&quot;:&quot;text\/x-sh&quot;,&quot;theme&quot;:&quot;liquibyte&quot;,&quot;lineNumbers&quot;:false,&quot;styleActiveLine&quot;:true,&quot;lineWrapping&quot;:false,&quot;readOnly&quot;:true,&quot;fileName&quot;:&quot;&quot;,&quot;language&quot;:&quot;Shell&quot;,&quot;maxHeight&quot;:&quot;400px&quot;,&quot;modeName&quot;:&quot;shell&quot;}\">root@Fliegerhost:\/etc# sysctl -p \/etc\/sysctl.conf<\/pre><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Wenn man zwei Netzwerkinterfaces hat und m\u00f6chte man Daten zwischen diesen durch den Server leiten, dann mu\u00df man im Kernel das IP-Forwarding einschalten. F\u00fchre einfach den folgenden Befehl aus, um IP-Weiterleitung einzuschalten: Wenn dieser Befehl \u00fcber einen Shell-Prompt ausgef\u00fchrt wird, wird die Einstellung nach einem Neustart nicht behalten. Deshalb sollte permanentes Weiterleiten eingestellt werden indem[&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"zakra_general_container_width":0,"zakra_general_content_width":0,"zakra_general_sidebar_width":0,"zakra_sticky_header":"customizer","zakra_header_main_area":true,"zakra_site_logo_width":0,"zakra_header_top_enabled":"customizer","zakra_header_top_style":"customizer","zakra_primary_menu_item_style":"customizer","zakra_page_header_text_color":"","zakra_page_header_layout":"customizer","zakra_page_title_bg":null,"zakra_footer_widgets_bg_image":0,"zakra_page_title_bg_repeat":"customizer","zakra_page_title_bg_position":"customizer","zakra_page_title_bg_size":"customizer","zakra_page_title_bg_attachment":"customizer","zakra_breadcrumbs_enabled":"customizer","zakra_breadcrumbs_text_color":"","zakra_breadcrumbs_separator_color":"","zakra_breadcrumbs_link_color":"","zakra_breadcrumbs_link_hover_color":"","zakra_page_title_bg_image":0,"zakra_footer_widgets_enabled":"customizer","zakra_footer_column_layout_1_style":"customizer","zakra_footer_widgets_bg":"","zakra_footer_widgets_bg_repeat":"customizer","zakra_footer_widgets_bg_position":"customizer","zakra_footer_widgets_bg_size":"customizer","zakra_footer_widgets_bg_attachment":"customizer","zakra_footer_bar_enabled":"customizer","zakra_footer_bar_style":"customizer","zakra_page_container_layout":"customizer","zakra_page_sidebar_layout":"customizer","zakra_remove_content_margin":false,"zakra_sidebar":"customizer","zakra_transparent_header":"customizer","zakra_logo":0,"zakra_main_header_style":"default","zakra_menu_item_color":"","zakra_menu_item_hover_color":"","zakra_menu_item_active_color":"","zakra_menu_active_style":"","zakra_page_header":true,"ngg_post_thumbnail":0,"footnotes":""},"categories":[1],"tags":[13],"class_list":["post-2885","post","type-post","status-publish","format-standard","hentry","category-server","tag-linux"],"_links":{"self":[{"href":"https:\/\/fliegerhorst.dyndns.org\/index.php\/wp-json\/wp\/v2\/posts\/2885","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fliegerhorst.dyndns.org\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fliegerhorst.dyndns.org\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fliegerhorst.dyndns.org\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fliegerhorst.dyndns.org\/index.php\/wp-json\/wp\/v2\/comments?post=2885"}],"version-history":[{"count":0,"href":"https:\/\/fliegerhorst.dyndns.org\/index.php\/wp-json\/wp\/v2\/posts\/2885\/revisions"}],"wp:attachment":[{"href":"https:\/\/fliegerhorst.dyndns.org\/index.php\/wp-json\/wp\/v2\/media?parent=2885"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fliegerhorst.dyndns.org\/index.php\/wp-json\/wp\/v2\/categories?post=2885"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fliegerhorst.dyndns.org\/index.php\/wp-json\/wp\/v2\/tags?post=2885"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}