{"created":"2025-01-19T01:34:36.032492+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00233263","sets":["1164:3925:11477:11523"]},"path":["11523"],"owner":"44499","recid":"233263","title":["Protective DNSの実態調査"],"pubdate":{"attribute_name":"公開日","attribute_value":"2024-03-11"},"_buckets":{"deposit":"3d598a8e-1b40-499e-a2c5-b2bd7b45c1d5"},"_deposit":{"id":"233263","pid":{"type":"depid","value":"233263","revision_id":0},"owners":[44499],"status":"published","created_by":44499},"item_title":"Protective DNSの実態調査","author_link":["633268","633269"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"Protective DNSの実態調査"},{"subitem_title":"A Measurement Study of Protective DNS","subitem_title_language":"en"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"システムセキュリティ2 ","subitem_subject_scheme":"Other"}]},"item_type_id":"4","publish_date":"2024-03-11","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"株式会社日立製作所"},{"subitem_text_value":"株式会社日立製作所"}]},"item_4_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"Hitachi, Ltd.","subitem_text_language":"en"},{"subitem_text_value":"Hitachi, Ltd.","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/233263/files/IPSJ-CSEC24104049.pdf","label":"IPSJ-CSEC24104049.pdf"},"date":[{"dateType":"Available","dateValue":"2026-03-11"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-CSEC24104049.pdf","filesize":[{"value":"5.9 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":"30"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"c6f8af6c-f94e-446b-831f-87f58c283974","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2024 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"藤井, 翔太"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"佐藤, 隆行"}],"nameIdentifiers":[{}]}]},"item_4_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AA11235941","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_source_id_11":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"2188-8655","subitem_source_identifier_type":"ISSN"}]},"item_4_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"Protective DNS（PDNS）は，DNS として動作し，一般的な名前解決を図る．また，悪性ドメインの名前解決の試行を検出した際，当該ドメインが本来有する DNS レコードを無効な A レコードや NXDOMAIN 等に書き換えることによって，悪性ドメインへの接続をブロックする．このような PDNS は，DNS として設定することのみで有効化でき，その有用性や適用可能性の高さから，近年サービスの利用や提供が促進されている．他方で，PDNS は利用者としてはどのようなドメインがブロックされるか等が，提供側としてはどのように実装・運用すれば良いかが不明瞭であるという課題もある．そこで本研究では，PDNS の不明瞭性を緩和するため，網羅性，即応性，著名ドメイン遮断性，およびユーザ利用性の観点で実態調査を行った．この結果，各 PDNS の悪性ドメインのブロック率が最大で最大約 55% であることや約 80% の悪性ドメインが公開ブロックリストに登録されたその日に PDNS でもブロックされること等を明らかにした．また，調査結果を基に，PDNS を提供する際の推奨事項を提言事項として示した．","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"8","bibliographic_titles":[{"bibliographic_title":"研究報告コンピュータセキュリティ（CSEC）"}],"bibliographicPageStart":"1","bibliographicIssueDates":{"bibliographicIssueDate":"2024-03-11","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"49","bibliographicVolumeNumber":"2024-CSEC-104"}]},"relation_version_is_last":true,"weko_creator_id":"44499"},"id":233263,"updated":"2025-01-19T10:09:17.332631+00:00","links":{}}