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    <subfield code="a">Canadian Centre for Cyber Security :</subfield>
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    <subfield code="a">Issued also in French under title: Centre canadien pour la cybers&#xE9;curit&#xE9; : conseils sur la configuration s&#xE9;curis&#xE9;e des protocoles r&#xE9;seau (version 2).</subfield>
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    <subfield code="a">Protection de l'information (Informatique)</subfield>
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    <subfield code="a">Communications Security Establishment (Canada),</subfield>
    <subfield code="e">issuing body.</subfield>
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    <subfield code="3">Biblioth&#xE8;que et Archives Canada / Library and Archives Canada</subfield>
    <subfield code="u">https://epe.lac-bac.gc.ca/100/201/301/weekly_acquisitions_list-ef/2020/20-46/publications.gc.ca/collections/collection_2020/cstc-csec/D97-3-40-062-2020-eng.pdf</subfield>
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