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The bulletin provides information about implementing security services based on Internet Protocol Security (IPsec), a framework of open standards for ensuring private communications over public networks. The bulletin advises organizations how to use IPsec to achieve security controls in the layered protocols of network communications, and to create a virtual private network (VPN) to protect communications carried over public networks, such as the Internet. Topics covered include the need for network layer security services, the services that are available at the network layer, and how IPsec can be implemented to provide these services."/>  <meta name="dcterms.title" content="Protecting Sensitive Information Transmitted in Public Networks"/> <meta name="dcterms.description" content="This bulletin summarizes NIST SP 800-77, Guide to IPsec VPNs, which was issued by NIST to help network architects, network administrators, security staff, technical support staff, and computer security program managers who are responsible for the technical aspects of preparing, operating and securing their organization驴s networks. The bulletin provides information about implementing security services based on Internet Protocol Security (IPsec), a framework of open standards for ensuring private communications over public networks. The bulletin advises organizations how to use IPsec to achieve security controls in the layered protocols of network communications, and to create a virtual private network (VPN) to protect communications carried over public networks, such as the Internet. Topics covered include the need for network layer security services, the services that are available at the network layer, and how IPsec can be implemented to provide these services."/>  <meta name="dcterms.creator" content="Author: Shirley Radack (NIST)"/>  <meta name="dcterms.date.created" schema="ISO8601" content="2006-04-21"/> <meta name="dcterms.identifier" content="https://csrc.nist.gov/pubs/itlb/2006/04/protecting-sensitive-information-transmitted-in-pu/final"/> <meta name="dcterms.language" scheme="DCTERMS.RFC1766" content="EN-US"/>  <meta name="citation_title" content="Protecting Sensitive Information Transmitted in Public Networks"/> <meta name="citation_publication_date" content="2006/04/21"/> <meta name="citation_technical_report_number" content="ITL Bulletin "/> <meta name="citation_technical_report_institution" content="National Institute of Standards and Technology"/> <meta name="citation_keywords" content="encryption,Internet Protocol security,IPsec,network communications,network security,security controls,TCP/IP,virtual private network,VPN"/> <meta name="citation_language" content="en"/> <meta name="citation_abstract_html_url" content="https://csrc.nist.gov/pubs/itlb/2006/04/protecting-sensitive-information-transmitted-in-pu/final"/>  <meta name="citation_author" content="Radack, Shirley"/>  <meta name="og:site_name" content="CSRC | NIST"/> <meta name="og:type" content="article"/> <meta name="og:url" content="https://web.archive.org/web/20231005022944im_/https://csrc.nist.gov/pubs/itlb/2006/04/protecting-sensitive-information-transmitted-in-pu/final"/> <meta name="og:title" content="Protecting Sensitive Information Transmitted in Public Networks"/> <meta name="og:description" content="This bulletin summarizes NIST SP 800-77, Guide to IPsec VPNs, which was issued by NIST to help network architects, network administrators, security staff, technical support staff, and computer security program managers who are responsible for the technical aspects of preparing, operating and securing their organization驴s networks. The bulletin provides information about implementing security services based on Internet Protocol Security (IPsec), a framework of open standards for ensuring private communications over public networks. The bulletin advises organizations how to use IPsec to achieve security controls in the layered protocols of network communications, and to create a virtual private network (VPN) to protect communications carried over public networks, such as the Internet. 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href="https://web.archive.org/web/20231005022944/https://www.facebook.com/sharer/sharer.php?u=https%3A%2F%2Fcontent.csrc.e1c.nist.gov%2Fpubs%2Fitlb%2F2006%2F04%2Fprotecting-sensitive-information-transmitted-in-pu%2Ffinal" class="social-facebook"><i class="fa fa-facebook fa-fw" aria-hidden="true"></i><span class="sr-only">Share to Facebook</span></a> <a href="https://web.archive.org/web/20231005022944/https://twitter.com/share?url=https%3A%2F%2Fcontent.csrc.e1c.nist.gov%2Fpubs%2Fitlb%2F2006%2F04%2Fprotecting-sensitive-information-transmitted-in-pu%2Ffinal" class="social-twitter"><i class="fa fa-twitter fa-fw" aria-hidden="true"></i><span class="sr-only">Share to Twitter</span></a> </div> <p class="hidden-lg hidden-md">     <a href="#pubs-documentation" class="btn btn-lg btn-info" id="pub-topics-anchor-sm">Documentation</a>     <a href="#pubs-topics" class="btn btn-lg btn-info" id="pub-topics-anchor-sm">Topics</a> </p> <div class="row"> <div class="col-md-8 col-sm-12 publication-panel"> <p> <strong>Date Published:</strong> <span id="pub-release-date" data-date-type="citation">April 2006</span><br/> </p> <h4>Author(s)</h4> <p id="pub-authors-container" data-total="1"> <span id="pub-author-0">Shirley Radack (NIST)</span> </p> <div class="bs-callout bs-callout-success pub-abstract-callout"> <h4 id="pubs-abstract-header">Abstract</h4> <div class="hidden-sm hidden-xs hidden-xxs" id="pub-detail-abstract-info">This bulletin summarizes NIST SP 800-77, Guide to IPsec VPNs, which was issued by NIST to help network architects, network administrators, security staff, technical support staff, and computer security program managers who are responsible for the technical aspects of preparing, operating and securing their organization驴s networks. The bulletin provides information about implementing security services based on Internet Protocol Security (IPsec), a framework of open standards for ensuring private communications over public networks. The bulletin advises organizations how to use IPsec to achieve security controls in the layered protocols of network communications, and to create a virtual private network (VPN) to protect communications carried over public networks, such as the Internet. Topics covered include the need for network layer security services, the services that are available at the network layer, and how IPsec can be implemented to provide these services.</div> <div class="hidden-lg hidden-md"> <div id="pub-detail-abstract-min"> This bulletin summarizes NIST SP 800-77, Guide to IPsec VPNs, which was issued by NIST to help network architects, network administrators, security staff, technical support staff, and computer security program managers who are responsible for the technical aspects of preparing, operating and... <a href="#pubs-abstract-header" id="pub-detail-abs-show">See full abstract</a> </div> <div id="pub-detail-abstract-all" style="display: none;"> This bulletin summarizes NIST SP 800-77, Guide to IPsec VPNs, which was issued by NIST to help network architects, network administrators, security staff, technical support staff, and computer security program managers who are responsible for the technical aspects of preparing, operating and securing their organization驴s networks. The bulletin provides information about implementing security services based on Internet Protocol Security (IPsec), a framework of open standards for ensuring private communications over public networks. The bulletin advises organizations how to use IPsec to achieve security controls in the layered protocols of network communications, and to create a virtual private network (VPN) to protect communications carried over public networks, such as the Internet. Topics covered include the need for network layer security services, the services that are available at the network layer, and how IPsec can be implemented to provide these services.<br/> <a href="#pubs-abstract-header" id="pub-detail-abs-hide">Hide full abstract</a> </div> </div> <h4>Keywords</h4> <span id="pub-keywords-container" data-total="9"> <span id="pub-keyword-0">encryption</span>; <span id="pub-keyword-1">Internet Protocol security</span>; <span id="pub-keyword-2">IPsec</span>; <span id="pub-keyword-3">network communications</span>; <span id="pub-keyword-4">network security</span>; <span id="pub-keyword-5">security controls</span>; <span id="pub-keyword-6">TCP/IP</span>; <span id="pub-keyword-7">virtual private network</span>; <span id="pub-keyword-8">VPN</span> </span> </div> <h5>Control Families</h5> <p> <span id="pub-control-fam-container" data-total="4"> <span id="pub-control-fam-0">Access Control</span>; <span id="pub-control-fam-1">Identification and Authentication</span>; <span id="pub-control-fam-2">Maintenance</span>; <span id="pub-control-fam-3">System and Communications Protection</span> </span> </p> </div> <div class="col-md-4 col-sm-12"> <div class="bs-callout bs-callout-success" id="pubs-documentation"> <h4>Documentation</h4> <p> <strong>Publication:</strong><br/> <a href="/web/20231005022944/https://csrc.nist.gov/files/pubs/itlb/2006/04/protecting-sensitive-information-transmitted-in-pu/final/docs/itl-bulletin/itlbul2006-04.pdf" id="pub-local-download-link"><i class="fa fa-download"></i> April 2006 ITL Bulletin (pdf)</a><br/> </p> <p> <strong>Supplemental Material:</strong><br/> <span id="pub-supp-container" data-total="0">None available</span><br/> </p> <p> <strong>Document History:</strong><br/> <span id="pub-history-container" data-total="1"> 04/21/06: <span id="pub-history-link-0" data-current-document="true">ITL Bulletin (Final)</span><br/> </span> </p> </div> <div class="bs-callout bs-callout-danger" id="topicsCallout-lg"> <h4>Topics</h4> <strong id="pub-cat-0">Applications</strong> <p> <a id="pub-cat-top-0-0" href="/web/20231005022944/https://csrc.nist.gov/topics/applications/communications-and-wireless">communications & wireless</a> </p> <strong id="pub-cat-1">Laws and Regulations</strong> <p> <a id="pub-cat-top-1-0" href="/web/20231005022944/https://csrc.nist.gov/topics/laws-and-regulations/laws/e-gov-act">E-Government Act</a>, <a id="pub-cat-top-1-1" href="/web/20231005022944/https://csrc.nist.gov/topics/laws-and-regulations/laws/fisma">Federal Information Security Modernization Act</a>, <a id="pub-cat-top-1-2" href="/web/20231005022944/https://csrc.nist.gov/topics/laws-and-regulations/executive-documents/hspd-12">Homeland Security Presidential Directive 12</a>, <a id="pub-cat-top-1-3" href="/web/20231005022944/https://csrc.nist.gov/topics/laws-and-regulations/executive-documents/hspd-7">Homeland Security Presidential Directive 7</a> </p> </div> </div> </div> </div> <div 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