{"id":3366,"date":"2019-10-14T14:57:22","date_gmt":"2019-10-14T05:57:22","guid":{"rendered":"https:\/\/tech.akat.info\/?p=3366"},"modified":"2019-10-14T14:58:16","modified_gmt":"2019-10-14T05:58:16","slug":"linux%e6%95%99%e7%a7%91%e6%9b%b8-lpic%e3%83%ac%e3%83%99%e3%83%ab2-%e3%82%b9%e3%83%94%e3%83%bc%e3%83%89%e3%83%9e%e3%82%b9%e3%82%bf%e3%83%bc%e5%95%8f%e9%a1%8c%e9%9b%86-version4-5%e5%af%be%e5%bf%9c-3","status":"publish","type":"post","link":"https:\/\/tech.akat.info\/?p=3366","title":{"rendered":"Linux\u6559\u79d1\u66f8 LPIC\u30ec\u30d9\u30eb2 \u30b9\u30d4\u30fc\u30c9\u30de\u30b9\u30bf\u30fc\u554f\u984c\u96c6 Version4.5\u5bfe\u5fdc \u3092\u53c2\u8003\u306bLPIC2\u306e\u52c9\u5f37\u3092\u3057\u305f \u2013 \u305d\u306e\u3055\u3093 \u2013"},"content":{"rendered":"<p><a href=\"https:\/\/www.amazon.co.jp\/dp\/4798151238\">Linux\u6559\u79d1\u66f8 LPIC\u30ec\u30d9\u30eb2 \u30b9\u30d4\u30fc\u30c9\u30de\u30b9\u30bf\u30fc\u554f\u984c\u96c6 Version4.5\u5bfe\u5fdc<\/a>\u3092\u53c2\u8003\u306bLPIC2\u306e\u52c9\u5f37\u3092\u3057\u305f\u3002<br \/>\n\u77e5\u3089\u306a\u304b\u3063\u305f\u3053\u3068\u3092\u30e1\u30e2\u3057\u3066\u304a\u304f\u3002<\/p>\n<h2>\u30c9\u30e1\u30a4\u30f3\u30cd\u30fc\u30e0\u30b5\u30fc\u30d0<\/h2>\n<h3>Config\u306e\u30c1\u30a7\u30c3\u30af<\/h3>\n<pre class=\"brush: plain; title: ; notranslate\" title=\"\">\r\n# named-checkconf\r\n\/etc\/bind\/named.conf:12: missing ';' before end of file\r\n\r\n# named-checkzone 127.in-addr.arpa db.127\r\nzone 127.in-addr.arpa\/IN: loaded serial 1\r\nOK\r\n<\/pre>\n<h3>glue\u30ec\u30b3\u30fc\u30c9\u3068\u3044\u3046\u3082\u306e\u304c\u5b58\u5728\u3059\u308b<\/h3>\n<p>https:\/\/jprs.jp\/glossary\/index.php?ID=0185<\/p>\n<h2>Web\u30b5\u30fc\u30d3\u30b9<\/h2>\n<h3>\u8a8d\u8a3c\u8a2d\u5b9a\u306b\u3064\u3044\u3066mod_access_compat\u3092\u5229\u7528\u3059\u308c\u3070\u3001Apache2.4\u3067\u30822.2\u306e\u8a18\u6cd5\u3067\u8a18\u8f09\u53ef\u80fd<\/h3>\n<p>https:\/\/httpd.apache.org\/docs\/2.4\/ja\/mod\/mod_access_compat.html<\/p>\n<h2>\u96fb\u5b50\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b9<\/h2>\n<h3>RBL\u306f\u30d6\u30e9\u30c3\u30af\u30ea\u30b9\u30c8\u3092DNS\u3067\u7ba1\u7406\u3057\u3066\u3044\u308b<\/h3>\n<p>139.159.230.40 \u304c\u30d6\u30e9\u30c3\u30af\u30ea\u30b9\u30c8\u306b\u5165\u3063\u3066\u3044\u308b\u304b\u78ba\u8a8d\u3059\u308b\u65b9\u6cd5\u3002<\/p>\n<pre class=\"brush: plain; title: ; notranslate\" title=\"\">\r\n# nslookup 40.230.159.139.b.barracudacentral.org\r\nServer:         127.0.0.53\r\nAddress:        127.0.0.53#53\r\n\r\nNon-authoritative answer:\r\nName:   40.230.159.139.b.barracudacentral.org\r\nAddress: 127.0.0.2\r\n\r\n# nslookup 40.230.159.140.b.barracudacentral.org\r\nServer:         127.0.0.53\r\nAddress:        127.0.0.53#53\r\n\r\n** server can't find 40.230.159.140.b.barracudacentral.org: NXDOMAIN\r\n<\/pre>\n<h3>doveadm\u30b3\u30de\u30f3\u30c9\u3067dovecot\u3092\u7ba1\u7406\u3067\u304d\u308b<\/h3>\n<pre class=\"brush: plain; title: ; notranslate\" title=\"\">\r\n### \u30e6\u30fc\u30b6\u306e\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u4e00\u89a7\u3092\u8868\u793a\u3059\u308b\r\n# doveadm mailbox list -u shimizu\r\nINBOX\r\n### \u30e6\u30fc\u30b6\u4e00\u89a7\u3092\u8868\u793a\u3059\u308b\r\n# doveadm who\r\nusername # proto (pids) (ips)\r\n<\/pre>\n<h3>Apache\u306e\u4e2d\u9593CA\u8a3c\u660e\u66f8\u306e\u6271\u3044\u65b9<\/h3>\n<p>2.4.8\u4ee5\u524d\u3067\u306fSSLCertificateChainFile\u30c7\u30a3\u30ec\u30af\u30c6\u30a3\u30d6\u3092\u5229\u7528\u3059\u308b\u3002<br \/>\n\u4ee5\u964d\u306f\u4e2d\u9593CA\u8a3c\u660e\u66f8\u3068\u30b5\u30fc\u30d0\u8a3c\u660e\u66f8\u3092\u307e\u3068\u3081\u30661\u3064\u306e\u30d5\u30a1\u30a4\u30eb\u3068\u3057\u3066\u3001SSLCertificateFile\u30c7\u30a3\u30ec\u30af\u30c6\u30a3\u30d6\u3092\u5229\u7528\u3059\u308b\u3002<\/p>\n<h2>\u30b7\u30b9\u30c6\u30e0\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3<\/h2>\n<h3>Smurf\u653b\u6483\u3001SYN flood\u653b\u6483\u5bfe\u7b56<\/h3>\n<pre class=\"brush: plain; title: ; notranslate\" title=\"\">\r\n# echo 1 &gt; \/proc\/sys\/net\/ipv4\/icmp_echo_ignore_broadcasts\r\n# echo 1 &gt; \/proc\/sys\/net\/ipv4\/tcp_syncookies\r\n<\/pre>\n<h3>\u30ed\u30fc\u30ab\u30eb\u304b\u3089\u30ea\u30e2\u30fc\u30c8SSH\u30b5\u30fc\u30d0\u306b\u30dd\u30fc\u30c8\u30d5\u30a9\u30ef\u30fc\u30c7\u30a3\u30f3\u30b0\u3059\u308b<\/h3>\n<p>\u30ed\u30fc\u30ab\u30eb8080\u30dd\u30fc\u30c8\u306b\u3064\u306a\u3050\u3068\u30ea\u30e2\u30fc\u30c8\u306esshserver\u306e22\u756a\u30dd\u30fc\u30c8\u306b\u63a5\u7d9a\u3055\u308c\u308b\u3088\u3046\u306b\u3059\u308b\u3002<\/p>\n<pre class=\"brush: plain; title: ; notranslate\" title=\"\">\r\n# ssh -L 8080:sshserver:22 sshserver\r\n<\/pre>\n<h3>nc\u30b3\u30de\u30f3\u30c9\u3067\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u3084\u308a\u53d6\u308a<\/h3>\n<pre class=\"brush: plain; title: ; notranslate\" title=\"\">\r\n### \u30b5\u30fc\u30d0\u5074(4321\u756a\u30dd\u30fc\u30c8\u3067\u5f85\u3061\u53d7\u3051\u308b)\r\n# nc -l -p 4321\r\n### \u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074(4321\u756a\u30dd\u30fc\u30c8\u3067\u63a5\u7d9a\u3059\u308b\u3002\u3053\u308c\u3067\u6587\u5b57\u5217\u306e\u3084\u308a\u53d6\u308a\u304c\u53ef\u80fd\u3002)\r\n# nc localhost 4321\r\n<\/pre>\n<h3>nc\u30b3\u30de\u30f3\u30c9\u3067\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u4f7f\u3063\u3066WEB\u30b5\u30fc\u30d0\u306b\u30a2\u30af\u30bb\u30b9<\/h3>\n<pre class=\"brush: plain; title: ; notranslate\" title=\"\">\r\n# cat ncscript.in\r\nHEAD \/\r\n# nc www.google.co.jp 80 &lt; ncscript.in\r\nHTTP\/1.0 400 Bad Request\r\nContent-Type: text\/html; charset=UTF-8\r\nReferrer-Policy: no-referrer\r\nContent-Length: 1555\r\nDate: Sun, 13 Oct 2019 19:18:59 GMT\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>Linux\u6559\u79d1\u66f8 LPIC\u30ec\u30d9\u30eb2 \u30b9\u30d4\u30fc\u30c9\u30de\u30b9\u30bf\u30fc\u554f\u984c\u96c6 Version4.5\u5bfe\u5fdc\u3092\u53c2\u8003\u306bLPIC2\u306e\u52c9\u5f37\u3092\u3057\u305f\u3002 \u77e5\u3089\u306a\u304b\u3063\u305f\u3053\u3068\u3092\u30e1\u30e2\u3057\u3066\u304a\u304f\u3002 \u30c9\u30e1\u30a4\u30f3\u30cd\u30fc\u30e0\u30b5\u30fc\u30d0 Config\u306e\u30c1\u30a7\u30c3\u30af # named-che [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[2],"tags":[],"_links":{"self":[{"href":"https:\/\/tech.akat.info\/index.php?rest_route=\/wp\/v2\/posts\/3366"}],"collection":[{"href":"https:\/\/tech.akat.info\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tech.akat.info\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tech.akat.info\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tech.akat.info\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3366"}],"version-history":[{"count":2,"href":"https:\/\/tech.akat.info\/index.php?rest_route=\/wp\/v2\/posts\/3366\/revisions"}],"predecessor-version":[{"id":3368,"href":"https:\/\/tech.akat.info\/index.php?rest_route=\/wp\/v2\/posts\/3366\/revisions\/3368"}],"wp:attachment":[{"href":"https:\/\/tech.akat.info\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3366"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tech.akat.info\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3366"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tech.akat.info\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3366"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}