{"id":4841,"date":"2023-11-25T12:45:15","date_gmt":"2023-11-25T12:45:15","guid":{"rendered":"https:\/\/netguide.io\/linux\/synology-einkommende-icmp-pings-in-der-firewall-erlauben\/"},"modified":"2026-08-10T15:49:06","modified_gmt":"2026-08-10T15:49:06","slug":"synology-einkommende-icmp-pings-in-der-firewall-erlauben","status":"publish","type":"post","link":"https:\/\/netguide.io\/linux\/de\/synology-einkommende-icmp-pings-in-der-firewall-erlauben\/","title":{"rendered":"Synology: ICMP-Pings in der Firewall erlauben"},"content":{"rendered":"<script type=\"text\/plain\" data-tcf=\"waiting-for-consent\" data-id=\"4797\" data-bid=\"2\" data-placement=\"4798\">PGRpdiBpZD0ibmV0Z3VpZGVhLTE3MTY3NTE1OTYiIGNsYXNzPSJuZXRndWlkZWEtYmVmb3JlLWNvbnRlbnQgbmV0Z3VpZGVhLWVudGl0eS1wbGFjZW1lbnQiPjxkaXYgY2xhc3M9Im5ldGd1aWRlYS1hZGxhYmVsIj5BZHZlcnRpc2VtZW50czwvZGl2PjxzY3JpcHQgYXN5bmMgc3JjPSIvL3BhZ2VhZDIuZ29vZ2xlc3luZGljYXRpb24uY29tL3BhZ2VhZC9qcy9hZHNieWdvb2dsZS5qcz9jbGllbnQ9Y2EtcHViLTYyNTg1NTYyNTcyNDU5OTgiIGNyb3Nzb3JpZ2luPSJhbm9ueW1vdXMiPjwvc2NyaXB0PjxpbnMgY2xhc3M9ImFkc2J5Z29vZ2xlIiBzdHlsZT0iZGlzcGxheTpibG9jazsiIGRhdGEtYWQtY2xpZW50PSJjYS1wdWItNjI1ODU1NjI1NzI0NTk5OCIgCmRhdGEtYWQtc2xvdD0iMzQ5NDExNTM0MiIgCmRhdGEtYWQtZm9ybWF0PSJhdXRvIj48L2lucz4KPHNjcmlwdD4gCihhZHNieWdvb2dsZSA9IHdpbmRvdy5hZHNieWdvb2dsZSB8fCBbXSkucHVzaCh7fSk7IAo8L3NjcmlwdD4KPC9kaXY+<\/script>\n<p class=\"wp-block-paragraph\">Standardm\u00e4\u00dfig blockt die Synology-Firewall <strong>ICMP-Pings<\/strong> \u2013 das NAS reagiert dann nicht auf <code>ping<\/code>. Das ist unpraktisch, wenn du die Erreichbarkeit pr\u00fcfen oder Monitoring nutzen willst. Mit einer einfachen Firewall-Regel erlaubst du ICMP wieder.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Das <strong>Internet Control Message Protocol (ICMP)<\/strong> dient in Netzwerken dem Austausch von Status- und Fehlermeldungen \u00fcber das IP-Protokoll und wird u.&nbsp;a. genutzt, um die Verf\u00fcgbarkeit von Ger\u00e4ten und Netzwerkfreigaben zu pr\u00fcfen.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">ICMP-Pings per Firewall-Regel erlauben<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Navigiere im DSM zu <strong>Systemsteuerung \u2192 Sicherheit \u2192 Firewall \u2192 Regeln bearbeiten<\/strong> und lege eine neue Regel an:<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li><strong>Erstellen<\/strong> klicken<\/li><li><strong>Benutzerdefiniert<\/strong> w\u00e4hlen<\/li><li>Als Protokoll <strong>ICMP<\/strong> ausw\u00e4hlen<\/li><li>Aktion auf <strong>Zulassen<\/strong> setzen<\/li><li>Mit <strong>OK \u2192 OK \u2192 \u00dcbernehmen<\/strong> best\u00e4tigen<\/li><\/ol>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" src=\"https:\/\/netguide.io\/linux\/wp-content\/uploads\/sites\/2\/2026\/08\/synology-Icpm-pings-erlauben-firewall-1.png\" alt=\"Synology Firewall: neue ICMP-Regel erstellen\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" src=\"https:\/\/netguide.io\/linux\/wp-content\/uploads\/sites\/2\/2026\/08\/synology-firewall-icmp-erlauben.png\" alt=\"ICMP-Protokoll in der Synology-Firewall zulassen\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Danach ist das NAS wieder per <code>ping<\/code> erreichbar. Achte darauf, ICMP nur in vertrauensw\u00fcrdigen Netzen oder gezielt f\u00fcr bestimmte Quell-IPs freizugeben.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Mehr zur Synology-Sicherheit<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li><a href=\"https:\/\/netguide.io\/linux\/de\/synology-nas-automatisch-ip-blocklisten-importieren\/\">Synology NAS: IP-Blocklisten automatisch importieren<\/a><\/li><\/ul>\n\n<script type=\"text\/plain\" data-tcf=\"waiting-for-consent\" data-id=\"4799\" data-bid=\"2\" data-placement=\"4800\">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<\/script>","protected":false},"excerpt":{"rendered":"<p>Synology antwortet nicht auf ping? So erlaubst du eingehende ICMP-Pings mit einer Firewall-Regel im DSM \u2013 Schritt f\u00fcr Schritt.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[9,460],"tags":[],"class_list":["post-4841","post","type-post","status-publish","format-standard","hentry","category-linux","category-synology"],"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false},"uagb_author_info":{"display_name":"Tobias Pries","author_link":"https:\/\/netguide.io\/linux\/author\/tobias-pries\/"},"uagb_comment_info":0,"uagb_excerpt":"Synology antwortet nicht auf ping? So erlaubst du eingehende ICMP-Pings mit einer Firewall-Regel im DSM \u2013 Schritt f\u00fcr Schritt.","brizy_media":[],"_links":{"self":[{"href":"https:\/\/netguide.io\/linux\/wp-json\/wp\/v2\/posts\/4841","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/netguide.io\/linux\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/netguide.io\/linux\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/netguide.io\/linux\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/netguide.io\/linux\/wp-json\/wp\/v2\/comments?post=4841"}],"version-history":[{"count":1,"href":"https:\/\/netguide.io\/linux\/wp-json\/wp\/v2\/posts\/4841\/revisions"}],"predecessor-version":[{"id":4849,"href":"https:\/\/netguide.io\/linux\/wp-json\/wp\/v2\/posts\/4841\/revisions\/4849"}],"wp:attachment":[{"href":"https:\/\/netguide.io\/linux\/wp-json\/wp\/v2\/media?parent=4841"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/netguide.io\/linux\/wp-json\/wp\/v2\/categories?post=4841"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/netguide.io\/linux\/wp-json\/wp\/v2\/tags?post=4841"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}