{"id":205,"date":"2017-10-14T14:56:00","date_gmt":"2017-10-14T05:56:00","guid":{"rendered":"https:\/\/www.ish.org\/blog\/?p=205"},"modified":"2017-10-29T19:56:05","modified_gmt":"2017-10-29T10:56:05","slug":"blacklistd-for-sendmail%ef%bc%88%e3%81%9d%e3%81%ae2%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.ish.org\/blog\/?p=205","title":{"rendered":"blacklistd for sendmail\uff08\u305d\u306e2\uff09"},"content":{"rendered":"<p>D6595\u306e\u30d1\u30c3\u30c1\u3092\u5f53\u3066\u3066\u3082\u3046\u307e\u304f\u52d5\u304b\u306a\u304b\u3063\u305f\u306e\u306f\u3001blacklist_open()\u3068blacklist_r()\u306e\u578b\u5ba3\u8a00\u3092\u3061\u3083\u3093\u3068\u66f8\u3044\u3066\u306a\u304b\u3063\u305f\u306e(#include &lt;blacklist.h&gt;\u306e\u66f8\u304d\u5fd8\u308c)\u304c\u539f\u56e0\u3060\u3068\u5224\u3063\u305f\u306e\u3067\u76f4\u3057\u3066\u307f\u305f\u3089\u3001\u3084\u3063\u3068\u52d5\u304f\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<!--more--><br \/>\n \u3053\u308c\u3067\u3001SMTP AUTH\u306eid\/password\u306ebrute-force attack\u306b\u5bfe\u3057\u3066\u81ea\u52d5\u3067\u30d5\u30a3\u30eb\u30bf\u30fc\u8ffd\u52a0\u3055\u308c\u308b\u306e\u3067\u3001\u3068\u3066\u3082\u5b09\u3057\u3044\u3002<\/p>\n<p>P.S. \u3069\u3093\u3069\u3093ipfw\u306eport25\u3068\u3044\u3046table\u306b\u30a2\u30bf\u30c3\u30af\u5143\u30a2\u30c9\u30ec\u30b9\u304c\u8ffd\u52a0\u3055\u308c\u307e\u3059\u304c\u3001\u6d77\u5916\u304b\u3089\u306e\u30a2\u30bf\u30c3\u30af\u306a\u306e\u3067\u6b86\u3069smtp\u3067\u3059\u3002op25b\u306a\u3093\u3066\u3044\u3046\u4e0d\u4fbf\u306a\u30ac\u30e9\u30d1\u30b4\u30b9\u4ed5\u69d8\u306f\u65e5\u672c\u3060\u3051\u306a\u306e\u3067\u3001submission port\u3092\u72d9\u3063\u3066\u304f\u308b\u4eba\u306f\u7a00\u306a\u3088\u3046\u3067\u3059\u3002smtps\u3082\u540c\u69d8\u3002<\/p>\n<p><a href=\/blog\/?p=119>\u305d\u306e1<\/a>\u3078\u623b\u308b\u3000\u3000<a href=\/blog\/?p=213>\u305d\u306e3<\/a>\u3078\u7d9a\u304f<\/p>\n","protected":false},"excerpt":{"rendered":"<p>D6595\u306e\u30d1\u30c3\u30c1\u3092\u5f53\u3066\u3066\u3082\u3046\u307e\u304f\u52d5\u304b\u306a\u304b\u3063\u305f\u306e\u306f\u3001blacklist_open()\u3068blacklist_r()\u306e\u578b\u5ba3\u8a00\u3092\u3061\u3083\u3093\u3068\u66f8\u3044\u3066\u306a\u304b\u3063\u305f\u306e(#include &lt;blacklist.h&gt;\u306e\u66f8\u304d\u5fd8\u308c)\u304c\u539f &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/www.ish.org\/blog\/?p=205\" class=\"more-link\"><span class=\"screen-reader-text\">&#8220;blacklistd for sendmail\uff08\u305d\u306e2\uff09&#8221; \u306e<\/span>\u7d9a\u304d\u3092\u8aad\u3080<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-205","post","type-post","status-publish","format-standard","hentry","category-freebsd"],"_links":{"self":[{"href":"https:\/\/www.ish.org\/blog\/index.php?rest_route=\/wp\/v2\/posts\/205","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ish.org\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ish.org\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ish.org\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ish.org\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=205"}],"version-history":[{"count":7,"href":"https:\/\/www.ish.org\/blog\/index.php?rest_route=\/wp\/v2\/posts\/205\/revisions"}],"predecessor-version":[{"id":334,"href":"https:\/\/www.ish.org\/blog\/index.php?rest_route=\/wp\/v2\/posts\/205\/revisions\/334"}],"wp:attachment":[{"href":"https:\/\/www.ish.org\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=205"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ish.org\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=205"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ish.org\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=205"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}