{"id":7436,"date":"2016-05-29T21:00:23","date_gmt":"2016-05-29T12:00:23","guid":{"rendered":"http:\/\/www.a21-hp.com\/wp\/?p=7436"},"modified":"2016-07-08T07:33:59","modified_gmt":"2016-07-07T22:33:59","slug":"7436","status":"publish","type":"post","link":"https:\/\/www.a21-hp.com\/wp\/7436\/","title":{"rendered":"Postfix\u306e\u30b9\u30d1\u30e0\u30e1\u30fc\u30eb\u5bfe\u7b56"},"content":{"rendered":"

\u4e45\u3057\u3076\u308a\u306b\u3001\u81ea\u5b85\u30b5\u30fc\u30d0\u306e\u8a2d\u5b9a\u3092\u3044\u3058\u3063\u3066\u307f\u305f\u3002<\/p>\n

\u6700\u8fd1\u3001zip\u5f62\u5f0f\u7b49\u306e\u30d5\u30a1\u30a4\u30eb\u304c\u6dfb\u4ed8\u3055\u308c\u305f\u30b9\u30d1\u30e0\u30e1\u30fc\u30eb\u304c\u6765\u308b\u3002<\/p>\n

\u82f1\u6587\u3067\u3001\u77e5\u3089\u306a\u3044\u5dee\u51fa\u4eba\u306a\u306e\u3067\u3001\u5373\u524a\u9664\u3057\u3066\u3044\u308b\u304c\u3001\u3060\u3093\u3060\u3093\u9762\u5012\u306b\u306a\u3063\u3066\u304d\u305f\u3002<\/p>\n

\u4f55\u304b\u826f\u3044\u65b9\u6cd5\u306f\u306a\u3044\u3082\u306e\u304b\u3068\u30cd\u30c3\u30c8\u691c\u7d22\u3002\u4ee5\u4e0b\u306e\u30b5\u30a4\u30c8\u3092\u53c2\u7167\u3002<\/p>\n

Postfix\u3067\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u69cb\u7bc9\u3000\u30b7\u30b9\u30c6\u30e0\u596e\u95d8\u8a18\uff1a\u305d\u306e32<\/a><\/p>\n

\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u300cPostfix\u300d\u306e\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u300c\/etc\/postfix\/main.cf\u300d\u3092\u958b\u304d\u3001\u300cheader_checks\u300d\u306e\u884c\u3092\u691c\u7d22\u3002<\/p>\n

regexp:\u306e\u5148\u306b\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u306e\u30d1\u30b9\u3068\u30d5\u30a1\u30a4\u30eb\u540d\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n

\r\n header_checks = regexp:\/etc\/postfix\/header_checks\r\n<\/pre>\n
\uff08regexp\u304c\u4f7f\u3048\u308b\u304b\u306f\u3001postconf -m \u3067\u3001\u30ea\u30b9\u30c8\u4e2d\u306b\u5b58\u5728\u3059\u308b\u304b\u3067\u5224\u65ad\u3067\u304d\u308b\u3089\u3057\u3044\u3002\uff09
\n\uff08\u3061\u306a\u307f\u306b\u3001postconf  | grep mail_version\u3000\u3068\u3059\u308b\u3068\u3001Postfix \u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u304c\u308f\u304b\u308b\u3002\uff09<\/p>\n
\u4e0a\u8a18\u3067\u6307\u5b9a\u3057\u3066\u3044\u308b\u300c\/etc\/postfix\/header_checks\u300d\u30d5\u30a1\u30a4\u30eb\u3092\u958b\u304d\u3001\u6700\u4e0b\u90e8\u306b\u3067\u3082\u4ee5\u4e0b\u306e\u8a2d\u5b9a\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n
# nano \/etc\/postfix\/header_checks<\/strong><\/p>\n
\r\n\/^content-type:.*name=\\\u201d.*\\.exe\\\u201d\/ REJECT\r\n\/^content-type:.*name=\\\u201d.*\\.com\\\u201d\/ REJECT\r\n\/^content-type:.*name=\\\u201d.*\\.src\\\u201d\/ REJECT\r\n\/^content-type:.*name=\\\u201d.*\\.pif\\\u201d\/ REJECT\r\n\/^content-type:.*name=\\\u201d.*\\.zip\\\u201d\/ REJECT\r\n\/^[ \t]*(name|filename)=\\\u201d.*\\.exe\\\u201d\/ REJECT\r\n\/^[ \t]*(name|filename)=\\\u201d.*\\.com\\\u201d\/ REJECT\r\n\/^[ \t]*(name|filename)=\\\u201d.*\\.src\\\u201d\/ REJECT\r\n\/^[ \t]*(name|filename)=\\\u201d.*\\.pif\\\u201d\/ REJECT\r\n\/^[ \t]*(name|filename)=\\\u201d.*\\.zip\\\u201d\/ REJECT\r\n<\/pre>\n
\u203b[]\u5185\u306e\u30b9\u30da\u30fc\u30b9\u306f\u3001\u534a\u89d2\u30b9\u30da\u30fc\u30b91\u500b\u3068\u30bf\u30d61\u500b\u3068\u3057\u307e\u3059\u3002
\n
\n# service postfix reload<\/strong> \u3067\u8a2d\u5b9a\u3092\u8aad\u307f\u8fbc\u307f\u307e\u3059\u3002<\/p>\n
# tailf \/var\/log\/maillog<\/strong> \u3067\u30ed\u30b0\u6700\u5f8c\u5c3e\u3092\u76e3\u8996\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n
\u62e1\u5f35\u5b50\u300c.exe\u300d\u300c.com\u300d\u300c.src\u300d\u300c.pif\u300d\u300c.zip\u300d\u306e\u30d5\u30a1\u30a4\u30eb\u304c\u6dfb\u4ed8\u3055\u308c\u3066\u3044\u308b\u30e1\u30fc\u30eb\u3092\u7834\u68c4\u3057\u307e\u3059\u3002<\/p>\n
SSH\u63a5\u7d9a\u3057\u3066\u3001\u30a8\u30c7\u30a3\u30bfnano\uff08\u30fb\u30fb\u30fb\u30fb\u3069\u3046\u3082vi\u306f\u99b4\u67d3\u3081\u306a\u304f\u3066\u30fb\u30fb\u30fb\uff09\u3067\u7de8\u96c6\u3057\u3066\u305f\u306e\u3067\u3059\u304c\u3001
\n\u540c\u3058\u3088\u3046\u306a\u5185\u5bb9\u306e\u884c\u304c\u7d9a\u304f\u305f\u3081\u3001\u30b3\u30d4\u30fc\uff06\u30da\u30fc\u30b9\u30c8\u306e\u3084\u308a\u65b9\u3082\u691c\u7d22\u3002\u4ee5\u4e0b\u306e\u30b5\u30a4\u30c8\u3092\u53c2\u7167\u3002
\n\u7aef\u672b\u3067\u4f7f\u3046\u30c6\u30ad\u30b9\u30c8\u30a8\u30c7\u30a3\u30bf nano<\/a>
\n\u30ab\u30fc\u30bd\u30eb\u304c\u3042\u308b\u884c\u3067\u300cAlt\u300d\uff0b\u300c6\u300d\u3092\u62bc\u3059\u3068\u4e00\u884c\u30b3\u30d4\u30fc\u3002\uff08\u62bc\u3057\u305f\u77ac\u9593\u6b21\u306e\u884c\u306b\u30ab\u30fc\u30bd\u30eb\u79fb\u52d5\u3002\uff09
\n\u30ab\u30fc\u30bd\u30eb\u304c\u3042\u308b\u884c\u3092\u30ab\u30c3\u30c8\u3057\u305f\u3044\uff08\u524a\u9664\u3057\u3066\u5185\u5bb9\u3092\u30af\u30ea\u30c3\u30d7\u30dc\u30fc\u30c9\u306b\u5165\u308c\u308b\uff09\u5834\u5408\u306f\u3001\u300cCtrl\u300d\uff0b\u300cK\u300d\u3002
\n\u30ab\u30fc\u30bd\u30eb\u3092\u79fb\u52d5\u3057\u3066\u300cCtrl\u300d\uff0b\u300cU\u300d\u3067\u8cbc\u308a\u4ed8\u3051\u3002
\n\u30fb\u30fb\u30fb\u3061\u3087\u3063\u3068\u899a\u3048\u306b\u304f\u3044\u3067\u3059\u306d\u3002
\n\u30fb\u30fb\u30fb\u8907\u6570\u884c\u306b\u5bfe\u3057\u3066\u884c\u3044\u305f\u3044\u5834\u5408\u306f\u3069\u3046\u3084\u308c\u3070\u3044\u3044\u306e\u304b\u306a\uff1f\u30fb\u30fb\u30fb\n<\/p><\/blockquote>\n
\u7d50\u679c\u3001\u6dfb\u4ed8\u30d5\u30a1\u30a4\u30eb\u4ed8\u304d\u30e1\u30fc\u30eb\uff08\u4e0a\u8a18\u3067\u6307\u5b9a\u3057\u305f\u62e1\u5f35\u5b50\u306e\u30d5\u30a1\u30a4\u30eb\u306e\u307f\u5bfe\u8c61\uff09\u306f\u3001\u30e1\u30fc\u30e9\u30fc\u306b\u5c4a\u304b\u306a\u304f\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n
\u3057\u304b\u3057\u3001\u6dfb\u4ed8\u30d5\u30a1\u30a4\u30eb\uff08\uff1d\u30a6\u30a3\u30eb\u30b9\uff09\u7121\u3057\u3060\u304c\u3001\u3042\u3084\u3057\u3044\uff35\uff32\uff2c\u306b\u8a98\u5c0e\u3057\u3088\u3046\u3068\u3059\u308b\u30ed\u30b7\u30a2\u8a9e\u3068\u601d\u308f\u308c\u308b\u30e1\u30fc\u30eb\u304c\u3001\u5c4a\u3044\u3066\u3057\u307e\u3044\u307e\u3059\u3002
\nmaillog\u3092\u898b\u3066\u3044\u308b\u3068\u57f7\u62d7\u306b\u63a5\u7d9a\u3092\u8a66\u307f\u3066\u304f\u308b\uff08\u30b9\u30d1\u30e0\u30ed\u30dc\u30c3\u30c8\u304b\uff1f\uff09IP\u30a2\u30c9\u30ec\u30b9\u304c\u3042\u308a\u3001\u305d\u308c\u304c\u30e1\u30fc\u30eb\u672c\u6587\u8a18\u8f09\u306e\u30c9\u30e1\u30a4\u30f3\u306eIP\u306b\u8fd1\u3044\uff08\u30fb\u30fb\u30fbnslookup\u3067\u78ba\u8a8d\u30fb\u30fb\u30fb\uff09\u306e\u3067\u3001\u3053\u308c\u3089\u3092\u62d2\u5426\u3059\u308b\u305f\u3081\u306b\u3001\u4ee5\u4e0b\u306e\u8a2d\u5b9a\u3082\u8ffd\u52a0\u3057\u307e\u3057\u305f\u3002<\/p>\n
\u518d\u5ea6\u3001\u300c\/etc\/postfix\/main.cf\u300d\u30d5\u30a1\u30a4\u30eb\u3092\u958b\u304d\u3001\u6700\u4e0b\u90e8\u306b\u4e0b\u8a18\u3092\u8ffd\u52a0\u3002<\/p>\n
\r\ndisable_vrfy_command = yes\r\n\r\nsmtp_helo_required = yes\r\n\r\nsmtpd_client_restrictions =\r\n\tpermit_mynetworks,\r\n\tcheck_client_access hash:\/etc\/postfix\/access,\r\n\tpermit\r\n\r\nsmtpd_sender_restrictions =\r\n\tpermit_mynetworks,\r\n\tcheck_client_access hash:\/etc\/postfix\/access,\r\n\treject_unknown_sender_domain,\r\n\tpermit\r\n<\/pre>\n
\u305d\u306e\u5f8c\u3001check_client_access hash:\u3067\u6307\u5b9a\u3057\u3066\u3044\u308b\u30a2\u30af\u30bb\u30b9\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u300c\/etc\/postfix\/access\u300d\u3092\u958b\u304d\u3001\u4e0b\u8a18\u306e\u8a18\u8ff0\u3092\u6700\u4e0b\u90e8\u306b\u8ffd\u52a0\u3002<\/p>\n
\u3061\u306a\u307f\u306b\u3001nano\u306f\u3001\u30c6\u30f3\u30ad\u30fc\u304c\u6a19\u6e96\u3067\u306f\u6709\u52b9\u306b\u306a\u3063\u3066\u3044\u307e\u305b\u3093\u3002
\n\u4ee5\u4e0b\u306e\u69d8\u306b\u300c\u2212K\u300d\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u4ed8\u3051\u3066\u8d77\u52d5\u3059\u308b\u3068\u3001\u30c6\u30f3\u30ad\u30fc\u3067\u306e\u6570\u5b57\u5165\u529b\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n
# nano -K \/etc\/postfix\/access<\/strong><\/p>\n
\r\n# IP Address Rule OK\r\n192.168.1.***\tOK\r\n\r\n# IP Address Rule REJECT (update 2016\/06\/28)\r\n76.165.14.133\tREJECT\r\n112.53.70.179\tREJECT\r\n116.55.245.45\tREJECT\r\n123.30.145.199\tREJECT\r\n180.178.133.82\tREJECT\r\n195.22.127.85\tREJECT\r\n195.42.183.107\tREJECT\r\n220.7.213.154\tREJECT\r\n220.135.220.150\tREJECT\r\n<\/pre>\n
\u30d5\u30a1\u30a4\u30eb\u3092\u4fdd\u5b58\u3057\u305f\u3089\u3001\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3002<\/p>\n
# postmap \/etc\/postfix\/access<\/strong><\/p>\n
# service postfix reload<\/strong><\/p>\n
\u3053\u308c\u3067\u3001\u3042\u3084\u3057\u3044\uff35\uff32\uff2c\u4ed8\u304d\u306e\u30b9\u30d1\u30e0\u30e1\u30fc\u30eb\u3082\u5c4a\u304b\u306a\u304f\u306a\u308a\u3001\u3068\u308a\u3042\u3048\u305a\u306f\u30b9\u30d1\u30e0\u306f\u4e00\u6383\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n
\u65b0\u305f\u306a\u30b9\u30d1\u30e0\u304c\u6765\u305f\u6642\u306f\u3001\u300c\/etc\/log\/maillog\u300d\u3092\u78ba\u8a8d\u3057\u3066\u3001\u62d2\u5426\u3057\u305f\u3044IP\u30a2\u30c9\u30ec\u30b9\u3092access\u30d5\u30a1\u30a4\u30eb\u306e\u6700\u4e0b\u90e8\u306b\u8ffd\u52a0\u3057\u3001\u4e0a\u8a18\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
\u307e\u305f\u3001\u30ed\u30b0\u30d5\u30a1\u30a4\u30eb\u304c\u80a5\u5927\u5316\u3057\u305f\u70ba\u3001\u300c# rm \/etc\/log\/maillog*\u300d\u30b3\u30de\u30f3\u30c9\u3067\u524a\u9664\u3057\u305f\u3068\u3053\u308d\u3001\u305d\u306e\u5f8c\u30ed\u30b0\u30d5\u30a1\u30a4\u30eb\u3092\u751f\u6210\u3057\u306a\u304f\u306a\u308b\u73fe\u8c61\u304c\u3042\u308a\u307e\u3057\u305f\u3002<\/p>\n
\u305d\u306e\u5834\u5408\u306f\u3001\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3068\u826f\u3044\u3088\u3046\u3067\u3059\u3002<\/p>\n
# service rsyslog restart<\/strong>\n<\/p><\/blockquote>\n
\u30fb\u30fb\u30fb\u306a\u3093\u3068\u3082\u3001\u307e\u3068\u307e\u308a\u306e\u306a\u3044\u3001\u899a\u3048\u66f8\u304d\u306b\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3057\u305f\u3002<\/p>\n
\u30fb\u30fb\u30fb\u30b9\u30d1\u30e0\u5bfe\u7b56\u306f\u3001\u4ed6\u306b\u3082\u3044\u308d\u3044\u308d\u306a\u65b9\u6cd5\u304c\u3042\u308b\u3088\u3046\u306a\u306e\u3067\u3001\u6c17\u304c\u5411\u3044\u305f\u3089\u3001\u307e\u305f\u8a66\u3057\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4e45\u3057\u3076\u308a\u306b\u3001\u81ea\u5b85\u30b5\u30fc\u30d0\u306e\u8a2d\u5b9a\u3092\u3044\u3058\u3063\u3066\u307f\u305f\u3002 \u6700\u8fd1\u3001zip\u5f62\u5f0f\u7b49\u306e\u30d5\u30a1\u30a4\u30eb\u304c\u6dfb\u4ed8\u3055\u308c\u305f\u30b9\u30d1\u30e0\u30e1\u30fc\u30eb\u304c\u6765\u308b\u3002 \u82f1\u6587\u3067\u3001\u77e5\u3089\u306a\u3044\u5dee\u51fa\u4eba\u306a\u306e\u3067\u3001\u5373\u524a\u9664\u3057\u3066\u3044\u308b\u304c\u3001\u3060\u3093\u3060\u3093\u9762\u5012\u306b\u306a\u3063\u3066\u304d\u305f\u3002 \u4f55\u304b\u826f\u3044\u65b9\u6cd5\u306f\u306a\u3044\u3082\u306e\u304b\u3068\u30cd\u30c3\u30c8\u691c\u7d22\u3002\u4ee5\u4e0b\u306e\u30b5\u30a4\u30c8\u3092\u53c2\u7167\u3002 Postfix\u3067\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u69cb\u7bc9\u3000\u30b7\u30b9\u30c6\u30e0\u596e\u95d8\u8a18\uff1a\u305d\u306e32 \u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u300cPostfix\u300d\u306e\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u300c\/etc\/postfix\/main.cf\u300d\u3092\u958b\u304d […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-7436","post","type-post","status-publish","format-standard","hentry","category-5"],"yoast_head":"\nPostfix\u306e\u30b9\u30d1\u30e0\u30e1\u30fc\u30eb\u5bfe\u7b56 - 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