{"id":9709,"date":"2014-09-15T19:06:25","date_gmt":"2014-09-15T10:06:25","guid":{"rendered":"https:\/\/a-tak.com\/blog\/?p=9709"},"modified":"2020-07-13T14:01:06","modified_gmt":"2020-07-13T05:01:06","slug":"vsftpd-ip-reject","status":"publish","type":"post","link":"https:\/\/a-tak.com\/blog\/2014\/09\/vsftpd-ip-reject\/","title":{"rendered":"vsftpd \u3067\u30ed\u30b0\u30a4\u30f3\u306b\u8907\u6570\u56de\u5931\u6557\u3057\u305f\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3092IP\u5236\u9650\u3059\u308b"},"content":{"rendered":"<div id=\"advads-601765633\" class=\"advads-before-content-placement advads-entity-placement\" style=\"margin-left: auto;margin-right: auto;text-align: center;\"><div class=\"advads-adlabel\">\u5e83\u544a<\/div><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-7585646298782746\" crossorigin=\"anonymous\"><\/script><ins class=\"adsbygoogle\" style=\"display:inline-block;width:300px;height:250px;\" \ndata-ad-client=\"ca-pub-7585646298782746\" \ndata-ad-slot=\"6112122906\"><\/ins> \n<script> \n(adsbygoogle = window.adsbygoogle || []).push({}); \n<\/script>\n<\/div><p><a href=\"https:\/\/i0.wp.com\/a-tak.com\/blog\/wp-content\/uploads\/2014\/09\/20140915security.jpg?ssl=1\" title=\"20140915security\"><img data-recalc-dims=\"1\" decoding=\"async\" class=\"shadow-img\" src=\"https:\/\/i0.wp.com\/a-tak.com\/blog\/wp-content\/uploads\/2014\/09\/20140915security.jpg?w=700&#038;ssl=1\" alt=\"20140915security\" title=\"20140915security.jpg\" ><\/a> <br \/>\n\u3000vsftpd\u306b\u3057\u3064\u3053\u304f\u30a2\u30af\u30bb\u30b9\u3057\u3066\u304f\u308b\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3092\u81ea\u52d5\u3067IP\u5236\u9650\u3059\u308b\u3088\u3046\u306b\u3057\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n<p><!--more--><\/p>\n<h2>\u307e\u305fawk\u3067\u3044\u304d\u307e\u3059<\/h2>\n<p>\u4ee5\u524d\u3082\u3053\u3093\u306a\u306e\u4f5c\u308a\u307e\u3057\u305f\u3002<\/p>\n<p><a href=\"https:\/\/a-tak.com\/blog\/2014\/05\/mod-security1\/\" target=\"_blank\" rel=\"noopener noreferrer\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"alignleft\" border=\"0\" src=\"https:\/\/i0.wp.com\/capture.heartrails.com\/images\/loading\/150x130_sha.jpg?resize=150%2C130\" alt=\"\" width=\"150\" height=\"130\" \/><\/a><a style=\"color:#0070C5;\" href=\"https:\/\/a-tak.com\/blog\/2014\/05\/mod-security1\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u81ea\u52d5\u3067mod_security\u306e\u30eb\u30fc\u30eb\u4f5c\u3063\u3066\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u3092\u9632\u3050\u3088\u3046\u306b\u3057\u3066\u307f\u305f | A-tak.com<\/a><a href=\"https:\/\/b.hatena.ne.jp\/entry\/s\/a-tak.com\/blog\/2014\/05\/mod-security1\/\" target=\"_blank\" rel=\"noopener noreferrer\"><img data-recalc-dims=\"1\" decoding=\"async\" border=\"0\" src=\"https:\/\/i0.wp.com\/b.st-hatena.com\/images\/users\/gif\/normal\/00000.gif?ssl=1\" alt=\"\" \/><\/a><br style=\"clear:both;\" \/><\/p>\n<p>\u3053\u308c\u3068\u540c\u3058\u8981\u9818\u3067\u884c\u3063\u3066\u307f\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<p>\u3000\u3053\u3093\u306a\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u4f5c\u3063\u305f\u3002<\/p>\n<pre><code>#!\/bin\/bash\nawk -F \" \" '\/vsftpd.*rhost=\/ {split($14,array,\"=\");print array[2]}' \/var\/log\/secure | sort | uniq -c | awk '{if ($1&gt;3) print \"vsftpd : \"$2}' &gt; \/etc\/hosts.deny\n<\/code><\/pre>\n<p>\u3000secure\u30ed\u30b0\u306evsftpd\u306e\u30ed\u30b0\u30a4\u30f3\u5931\u6557\u30ed\u30b0\u3092\u5f15\u3063\u5f35\u3063\u3066hosts.deny\u306b\u8ffd\u52a0\u3057\u3066IP\u5236\u9650(\u30c9\u30e1\u30a4\u30f3\u304c\u53d6\u308c\u305f\u5834\u5408\u306f\u30c9\u30e1\u30a4\u30f3\u5236\u9650)\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3000sercure\u30ed\u30b0\u306f\u3053\u3093\u306a\u611f\u3058\u3002<\/p>\n<pre><code>Sep 15 18:11:05 xxxx vsftpd[xxx]: pam_unix(vsftpd:auth): authentication failure; logname= uid=0 euid=0 tty=ftp ruser=xxxx rhost=xxxxx  user=xxxx\n<\/code><\/pre>\n<p>\u3000\u306a\u306b\u3092\u3084\u3063\u3066\u3044\u308b\u304b\u3068\u3044\u3046\u3068\u2026<\/p>\n<ol>\n<li>awk \u30b3\u30de\u30f3\u30c9\u3067 secure\u30ed\u30b0\u306evsftpd \u301c rhost\u306e\u6587\u5b57\u5217\u304c\u3042\u308b\u884c\u3092\u62bd\u51fa(\u3082\u3057\u3001\u30ed\u30b0\u30a4\u30f3\u6210\u529f\u3082secure\u30ed\u30b0\u306b\u6b8b\u308b\u74b0\u5883\u306a\u3089\u6761\u4ef6\u306e\u5909\u66f4\u304c\u5fc5\u8981)<\/li>\n<li>\u30b9\u30da\u30fc\u30b9\u3067\u533a\u5207\u3063\u306614\u500b\u76ee\u306b&#8221;rhost=xxx.xxx.xxx&#8221;\u3068\u3044\u3046\u6587\u5b57\u5217\u304c\u5165\u3063\u3066\u3044\u308b\u306e\u3067\u3001&#8221;=&#8221;\u3067\u5206\u5272<\/li>\n<li>&#8220;uniq -c&#8221;\u3067\u540c\u3058rhost\u3092\u30ab\u30a6\u30f3\u30c8<\/li>\n<li>\u30ab\u30a6\u30f3\u30c8\u304c3\u4ee5\u4e0a\u306eIP\u3092\u62bd\u51fa\u3057\u3066&#8221;vsftpd : xxx.xxx.xxx.xxx&#8221;\u3068\u3057\u3066\/etc\/hosts.deny\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210<\/li>\n<\/ol>\n<h2>hosts.deny\u306f\u4e0a\u66f8\u304d\u3057\u307e\u3059<\/h2>\n<p>\u3000hosts.deny \u3092\u4e0a\u66f8\u304d\u3059\u308b\u3068\u3044\u3046\u96d1\u306a\u3084\u308a\u65b9\u306a\u306e\u3067\u3001\u65e2\u306b\u3044\u308d\u3044\u308d\u30a2\u30af\u30bb\u30b9\u5236\u9650\u3057\u3066\u3044\u308b\u4eba\u306f\u3001\u305d\u306e\u307e\u307e\u3058\u3083\u4f7f\u3048\u306a\u3044\u306e\u3067\u6ce8\u610f\u3002<\/p><div id=\"advads-2231048795\" class=\"advads-content-placement-after-3rd-paragraph advads-entity-placement\" style=\"margin-left: auto;margin-right: auto;text-align: center;\"><div class=\"advads-adlabel\">\u5e83\u544a<\/div><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-7585646298782746\" crossorigin=\"anonymous\"><\/script><ins class=\"adsbygoogle\" style=\"display:inline-block;width:300px;height:250px;\" \ndata-ad-client=\"ca-pub-7585646298782746\" \ndata-ad-slot=\"6112122906\"><\/ins> \n<script> \n(adsbygoogle = window.adsbygoogle || []).push({}); \n<\/script>\n<\/div>\n<div class=\"booklink-box\" style=\"text-align:left;padding-bottom:20px;font-size:small;\/zoom: 1;overflow: hidden;\">\n<div class=\"booklink-image\" style=\"float:left;margin:0 15px 10px 0;\"><a href=\"http:\/\/www.amazon.co.jp\/exec\/obidos\/asin\/4774144223\/website1-22\/\" name=\"booklink\" rel=\"nofollow noopener noreferrer\" target=\"_blank\"><img data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/ecx.images-amazon.com\/images\/I\/51tRPTZ%2BP4L._SL160_.jpg\" style=\"border: none;\" \/><\/a><\/div>\n<div class=\"booklink-info\" style=\"line-height:120%;\/zoom: 1;overflow: hidden;\">\n<div class=\"booklink-name\" style=\"margin-bottom:10px;line-height:120%\"><a href=\"http:\/\/www.amazon.co.jp\/exec\/obidos\/asin\/4774144223\/website1-22\/\" rel=\"nofollow noopener noreferrer\" name=\"booklink\" target=\"_blank\">\u6539\u8a02\u65b0\u7248 28\u65e5\u3067\u5373\u6226\u529b\uff01 \u30b5\u30fc\u30d0\u6280\u8853\u8005\u990a\u6210\u8b1b\u5ea7<\/a><\/p>\n<div class=\"booklink-powered-date\" style=\"font-size:8pt;margin-top:5px;font-family:verdana;line-height:120%\">posted with <a href=\"http:\/\/yomereba.com\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">\u30e8\u30e1\u30ec\u30d0<\/a><\/div>\n<\/div>\n<div class=\"booklink-detail\" style=\"margin-bottom:5px;\">\u7b20\u91ce \u82f1\u677e \u6280\u8853\u8a55\u8ad6\u793e 2010-10-16    <\/div>\n<div class=\"booklink-link2\" style=\"margin-top:10px;\">\n<div class=\"shoplinkamazon\" style=\"display:inline;margin-right:5px\"><a href=\"http:\/\/www.amazon.co.jp\/exec\/obidos\/asin\/4774144223\/website1-22\/\" rel=\"nofollow noopener noreferrer\" target=\"_blank\" title=\"\u30a2\u30de\u30be\u30f3\">Amazon<\/a><\/div>\n<div class=\"shoplinkkindle\" style=\"display:inline;margin-right:5px\"><a href=\"http:\/\/www.amazon.co.jp\/gp\/search?keywords=%89%FC%92%F9%90V%94%C5%2028%93%FA%82%C5%91%A6%90%ED%97%CD%81I%20%83T%81%5B%83o%8BZ%8Fp%8E%D2%97%7B%90%AC%8Du%8D%C0&#038;__mk_ja_JP=%83J%83%5E%83J%83i&#038;url=node%3D2275256051&#038;tag=website1-22\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">Kindle<\/a><\/div>\n<div class=\"shoplinkrakuten\" style=\"display:inline;margin-right:5px\"><a href=\"http:\/\/hb.afl.rakuten.co.jp\/hgc\/031ab7ae.bf2cee6c.0399c94c.aaceb9d6\/?pc=http%3A%2F%2Fbooks.rakuten.co.jp%2Frb%2F6764516%2F%3Fscid%3Daf_ich_link_urltxt%26m%3Dhttp%3A%2F%2Fm.rakuten.co.jp%2Fev%2Fbook%2F\" rel=\"nofollow noopener noreferrer\" target=\"_blank\" title=\"\u697d\u5929\u30d6\u30c3\u30af\u30b9\">\u697d\u5929\u30d6\u30c3\u30af\u30b9<\/a><\/div>\n<div class=\"shoplinkkino\" style=\"display:inline;margin-right:5px\"><a href=\"http:\/\/ck.jp.ap.valuecommerce.com\/servlet\/referral?sid=2274895&#038;pid=882170520&#038;vc_url=http%3A%2F%2Fwww.kinokuniya.co.jp%2Ff%2Fdsg-01-9784774144221\" target=\"_blank\" title=\"kino\" rel=\"noopener noreferrer\">\u7d00\u4f0a\u570b\u5c4b\u66f8\u5e97<img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/ad.jp.ap.valuecommerce.com\/vc\/images\/1x1.gif?resize=1%2C1\" height=\"1\" width=\"1\" border=\"0\"><\/a><\/div>\n<\/p><\/div>\n<\/div>\n<div class=\"booklink-footer\" style=\"clear: left\"><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u3000vsftpd\u306b\u3057\u3064\u3053\u304f\u30a2\u30af\u30bb\u30b9\u3057\u3066\u304f\u308b\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3092\u81ea\u52d5\u3067IP\u5236\u9650\u3059\u308b\u3088\u3046\u306b\u3057\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[8],"tags":[532,513,533,131],"class_list":["post-9709","post","type-post","status-publish","format-standard","hentry","category-linux","tag-awk","tag-linux","tag-533","tag-131"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- 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