{"updated":"2025-01-21T12:23:27.429655+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00098614","sets":["1164:4088:7458:7459"]},"path":["7459"],"owner":"11","recid":"98614","title":["パスワード不正取得による迷惑メール発信に対する対策"],"pubdate":{"attribute_name":"公開日","attribute_value":"2014-02-20"},"_buckets":{"deposit":"de095bc9-0087-436a-aa5b-770b3b7889a7"},"_deposit":{"id":"98614","pid":{"type":"depid","value":"98614","revision_id":0},"owners":[11],"status":"published","created_by":11},"item_title":"パスワード不正取得による迷惑メール発信に対する対策","author_link":["0","0"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"パスワード不正取得による迷惑メール発信に対する対策"},{"subitem_title":"Countermeasure against Spam Mail Submissions with Password Cracking","subitem_title_language":"en"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"認証とセキュリティ","subitem_subject_scheme":"Other"}]},"item_type_id":"4","publish_date":"2014-02-20","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"岡山大学情報統括センター"},{"subitem_text_value":"岡山大学情報統括センター"},{"subitem_text_value":"岡山大学情報統括センター"},{"subitem_text_value":"岡山大学情報統括センター"},{"subitem_text_value":"岡山大学情報統括センター"}]},"item_4_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"Center for Information Technology and Management, Okayama University","subitem_text_language":"en"},{"subitem_text_value":"Center for Information Technology and Management, Okayama University","subitem_text_language":"en"},{"subitem_text_value":"Center for Information Technology and Management, Okayama University","subitem_text_language":"en"},{"subitem_text_value":"Center for Information Technology and Management, Okayama University","subitem_text_language":"en"},{"subitem_text_value":"Center for Information Technology and Management, Okayama University","subitem_text_language":"en"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_publisher":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"情報処理学会","subitem_publisher_language":"ja"}]},"publish_status":"0","weko_shared_id":-1,"item_file_price":{"attribute_name":"Billing file","attribute_type":"file","attribute_value_mlt":[{"url":{"url":"https://ipsj.ixsq.nii.ac.jp/record/98614/files/IPSJ-IOT14024009.pdf"},"date":[{"dateType":"Available","dateValue":"2016-02-20"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-IOT14024009.pdf","filesize":[{"value":"1.1 MB"}],"mimetype":"application/pdf","priceinfo":[{"tax":["include_tax"],"price":"660","billingrole":"5"},{"tax":["include_tax"],"price":"330","billingrole":"6"},{"tax":["include_tax"],"price":"0","billingrole":"43"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"05c8bab3-cba6-4f22-902c-5d31180f02df","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2014 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"山井, 成良"},{"creatorName":"藤原, 崇起"},{"creatorName":"河野, 圭太"},{"creatorName":"大隅, 淑弘"},{"creatorName":"岡山, 聖彦"}],"nameIdentifiers":[{}]}]},"item_4_creator_6":{"attribute_name":"著者名(英)","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Nariyoshi, Yamai","creatorNameLang":"en"},{"creatorName":"Takaoki, Fujiwara","creatorNameLang":"en"},{"creatorName":"Keita, Kawano","creatorNameLang":"en"},{"creatorName":"Yoshihiro, Ohsumi","creatorNameLang":"en"},{"creatorName":"Kiyohiko, Okayama","creatorNameLang":"en"}],"nameIdentifiers":[{}]}]},"item_4_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AA12326962","subitem_source_identifier_type":"NCID"}]},"item_4_textarea_12":{"attribute_name":"Notice","attribute_value_mlt":[{"subitem_textarea_value":"SIG Technical Reports are nonrefereed and hence may later appear in any journals, conferences, symposia, etc."}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourceuri":"http://purl.org/coar/resource_type/c_18gh","resourcetype":"technical report"}]},"item_4_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"最近，パスワードリスト攻撃のように何らかの方法で不正取得したパスワードを用いて組織内の MSA（Message Submission Agent） から迷惑メールを大量に送信する事例が増加している．本稿では，その対策法として，送信元 IP アドレスから取得したクライアント地理情報などを利用して迷惑メール発信を早期に検出し，被害を最小限に抑える方法を提案する．また，この方法に基づいて作成したシステムを岡山大学で運用した結果，有効に機能することを確認している．","subitem_description_type":"Other"}]},"item_4_description_8":{"attribute_name":"論文抄録(英)","attribute_value_mlt":[{"subitem_description":"Recently, incidents of spam mail submissions via Message Submission Agent (MSA) in an organization, abusing illegally obtained passwords such as those used by password list attack, have been reported increasingly. In this paper, we propose a countermeasure against such incidents that detects spam mail submissions earlier using geographic information of each client derived from its source IP address. We also implemented a spam submission prevention system based on the proposed countermeasure. According to our operation experience of the system in Okayama University, we confirmed that the system works effectively.","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"6","bibliographic_titles":[{"bibliographic_title":"研究報告インターネットと運用技術（IOT）"}],"bibliographicPageStart":"1","bibliographicIssueDates":{"bibliographicIssueDate":"2014-02-20","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"9","bibliographicVolumeNumber":"2014-IOT-24"}]},"relation_version_is_last":true,"weko_creator_id":"11"},"created":"2025-01-18T23:44:49.657830+00:00","id":98614,"links":{}}