{"id":8123,"date":"2023-12-04T15:29:20","date_gmt":"2023-12-04T06:29:20","guid":{"rendered":"https:\/\/www.skyer9.pe.kr\/wordpress\/?p=8123"},"modified":"2025-10-13T13:24:07","modified_gmt":"2025-10-13T04:24:07","slug":"ubuntu-ping-%ec%b0%a8%eb%8b%a8","status":"publish","type":"post","link":"https:\/\/www.skyer9.pe.kr\/wordpress\/?p=8123","title":{"rendered":"Ubuntu &#8211; ping \ucc28\ub2e8"},"content":{"rendered":"<h1>Ubuntu &#8211; ping \ucc28\ub2e8<\/h1>\n<p>\ud2b9\uc218\ud55c \uc0c1\ud669\uc5d0\uc11c ping \uc744 \ucc28\ub2e8\ud574\uc57c \ud558\ub294 \uacbd\uc6b0\uac00 \uc788\ub2e4.<br \/>\n\uc544\ub798 \uba85\ub839\uc744 \uc774\uc6a9\ud574 \ud551\uc744 \ucc28\ub2e8\ud560 \uc218 \uc788\ub2e4.<\/p>\n<h2>ping \ucc28\ub2e8\/\ud574\uc81c (\uc784\uc2dc)<\/h2>\n<pre><code class=\"language-bash\"># ping \ucc28\ub2e8\nsudo sysctl -w net.ipv4.icmp_echo_ignore_all=1\n\n# ping \ucc28\ub2e8\ud574\uc81c\nsudo sysctl -w net.ipv4.icmp_echo_ignore_all=0<\/code><\/pre>\n<h2>ping \ucc28\ub2e8 (\uc601\uad6c)<\/h2>\n<pre><code class=\"language-bash\">sudo vi \/etc\/sysctl.conf\n......\nnet.ipv4.icmp_echo_ignore_all = 1\n......<\/code><\/pre>\n<p>\uc11c\ubc84 \uc7ac\ubd80\ud305 \ub610\ub294 \uc544\ub798 \uba85\ub839\uc744 \uc774\uc6a9\ud574 ping \ucc28\ub2e8\uc744 \ud65c\uc131\ud654\ud560 \uc218 \uc788\ub2e4.<\/p>\n<pre><code class=\"language-bash\">sysctl -p<\/code><\/pre>\n<h2>ping \ucc28\ub2e8 \ud574\uc81c (\uc601\uad6c)<\/h2>\n<pre><code class=\"language-bash\">sudo vi \/etc\/sysctl.conf\n......\nnet.ipv4.icmp_echo_ignore_all = 0\n......<\/code><\/pre>\n<pre><code class=\"language-bash\">sysctl -p<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>Ubuntu &#8211; ping \ucc28\ub2e8 \ud2b9\uc218\ud55c \uc0c1\ud669\uc5d0\uc11c ping \uc744 \ucc28\ub2e8\ud574\uc57c \ud558\ub294 \uacbd\uc6b0\uac00 \uc788\ub2e4. \uc544\ub798 \uba85\ub839\uc744 \uc774\uc6a9\ud574 \ud551\uc744 \ucc28\ub2e8\ud560 \uc218 \uc788\ub2e4. ping \ucc28\ub2e8\/\ud574\uc81c (\uc784\uc2dc) # ping \ucc28\ub2e8 sudo sysctl -w net.ipv4.icmp_echo_ignore_all=1 # ping \ucc28\ub2e8\ud574\uc81c sudo sysctl -w net.ipv4.icmp_echo_ignore_all=0 ping \ucc28\ub2e8 (\uc601\uad6c) sudo vi \/etc\/sysctl.conf &#8230;&#8230; net.ipv4.icmp_echo_ignore_all = 1 &#8230;&#8230; \uc11c\ubc84 \uc7ac\ubd80\ud305 \ub610\ub294 \uc544\ub798 \uba85\ub839\uc744 \uc774\uc6a9\ud574 ping \ucc28\ub2e8\uc744\u2026 <span class=\"read-more\"><a href=\"https:\/\/www.skyer9.pe.kr\/wordpress\/?p=8123\">Read More &raquo;<\/a><\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12],"tags":[],"class_list":["post-8123","post","type-post","status-publish","format-standard","hentry","category-devops"],"_links":{"self":[{"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/8123","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=8123"}],"version-history":[{"count":2,"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/8123\/revisions"}],"predecessor-version":[{"id":10902,"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/8123\/revisions\/10902"}],"wp:attachment":[{"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=8123"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=8123"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=8123"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}