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        "title": "Establish GSS-TSIG context keys without confusing them with zone data",
        "summary": "Use RFC 3645 — Generic Security Service Algorithm for Secret Key Transaction Authentication for DNS (GSS-TSIG) to review this narrow operational decision without extending the source beyond its stated scope.",
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        "published_at": "2026-08-27T12:17:42+00:00",
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        "potentially_affected": "Teams, systems, services, or facilities within the stated scope of RFC 3645 — Generic Security Service Algorithm for Secret Key Transaction Authentication for DNS (GSS-TSIG)",
        "dse_recommendation": "Compare the observed state with the cited official source, document applicability and exceptions, and test any approved change with rollback safeguards.",
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            "name": "RFC 3645 — Generic Security Service Algorithm for Secret Key Transaction Authentication for DNS (GSS-TSIG)",
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        "content_html": "<p>Use this document to connect an official requirement or behavior to observable evidence: Establish GSS-TSIG context keys without confusing them with zone data. Only the official source and traced locations below supply facts. Confirm applicability before acting.</p>\n<h2>Source fact:</h2>\n<p>The official <a href=\"https://www.rfc-editor.org/rfc/rfc3645.html\" target=\"_blank\" rel=\"noopener noreferrer\">RFC 3645 — Generic Security Service Algorithm for Secret Key Transaction Authentication for DNS (GSS-TSIG)</a> from RFC Editor / Internet Engineering Task Force supports the following bounded statements:</p>\n<ul>\n<li>GSS-TSIG uses a TKEY exchange to establish a GSS security context and then uses the derived context key with TSIG. The research record locates this support at <strong>Sections 2.1 (GSS API) and 2.2 (TKEY and TSIG)</strong>.</li>\n<li>The client repeats GSS_Init_sec_context token exchanges in TKEY queries until the security context is complete or an error occurs. The research record locates this support at <strong>Section 3.1 (Negotiating Context)</strong>.</li>\n<li>A server that receives a TSIG name for which it has no established security context returns the TSIG error BADKEY. The research record locates this support at <strong>Section 5.2 (Server Processing of TSIG)</strong>.</li>\n</ul>\n<p>Do not import neighboring assumptions into the source record. The supported task is a scoped comparison involving authoritative zones, delegations, resolvers, caches, record owners, and the clients that consume the resulting answers and the conditions the source actually describes.</p>\n<h2>What the source does not establish</h2>\n<p>This RFC evidence supports only the named DNS protocol decision; it does not prove Windows implementation support or a safe production configuration. It does not establish a deployment&#8217;s current state, authorize a production change, prove compliance, or show that Windows DNS roles, Active Directory-integrated data, forwarding paths, time, routing, firewalls, and registrar or registry state are healthy. Documented options are review inputs, not universal mandates.</p>\n<h2>Applicability questions</h2>\n<ul>\n<li>For source statement 1 at <strong>Sections 2.1 (GSS API) and 2.2 (TKEY and TSIG)</strong>, which observable configuration, record, or test can confirm applicability here?</li>\n<li>For source statement 2 at <strong>Section 3.1 (Negotiating Context)</strong>, which observable configuration, record, or test can confirm applicability here?</li>\n<li>For source statement 3 at <strong>Section 5.2 (Server Processing of TSIG)</strong>, which observable configuration, record, or test can confirm applicability here?</li>\n<li>Within authoritative zones, delegations, resolvers, caches, record owners, and the clients that consume the resulting answers, which versions, roles, and configuration states define the review population?</li>\n<li>Could Windows DNS roles, Active Directory-integrated data, forwarding paths, time, routing, firewalls, and registrar or registry state invalidate the test, hide a failure, or change applicability?</li>\n<li>Who owns the decision, and which observation requires stopping, escalation, or rollback?</li>\n</ul>\n<h2>DSE recommendation:</h2>\n<p>DSE recommends using the cited source as the evidence anchor for this decision. Use a two-person review for the source interpretation and the resulting operational decision. Record the source location, examined part of authoritative zones, delegations, resolvers, caches, record owners, and the clients that consume the resulting answers, observed and expected states, owner, and reason for deviation.</p>\n<p>An implementation decision needs an owner, approved window, prechecks, observable outcome, stop authority, and rollback path. Validate Windows DNS roles, Active Directory-integrated data, forwarding paths, time, routing, firewalls, and registrar or registry state before and after the test, and store only sanitized operational evidence.</p>\n<h2>Verification and evidence</h2>\n<p>Tie each conclusion back to <strong>Sections 2.1 (GSS API) and 2.2 (TKEY and TSIG)</strong>; <strong>Section 3.1 (Negotiating Context)</strong>; <strong>Section 5.2 (Server Processing of TSIG)</strong> and to observable material such as zone data, packet captures, query transcripts, delegation checks, resolver configuration, and negative-answer behavior. Preserve provenance and stable identifiers without copying secrets into the evidence set.</p>\n<p>Preserve both successful and failed observations, along with approval and rollback evidence. Avoid uncontrolled production experiments. Assign an expiry or event-driven recheck so the conclusion is not treated as permanent.</p>\n<h2>Official references</h2>\n<ul>\n<li><a href=\"https://www.rfc-editor.org/rfc/rfc3645.html\" target=\"_blank\" rel=\"noopener noreferrer\">RFC 3645 — Generic Security Service Algorithm for Secret Key Transaction Authentication for DNS (GSS-TSIG)</a> — RFC Editor / Internet Engineering Task Force</li>\n</ul>",
        "content_text": "Use this document to connect an official requirement or behavior to observable evidence: Establish GSS-TSIG context keys without confusing them with zone data. Only the official source and traced locations below supply facts. Confirm applicability before acting.\nSource fact:\nThe official RFC 3645 — Generic Security Service Algorithm for Secret Key Transaction Authentication for DNS (GSS-TSIG) from RFC Editor / Internet Engineering Task Force supports the following bounded statements:\n\nGSS-TSIG uses a TKEY exchange to establish a GSS security context and then uses the derived context key with TSIG. The research record locates this support at Sections 2.1 (GSS API) and 2.2 (TKEY and TSIG).\nThe client repeats GSS_Init_sec_context token exchanges in TKEY queries until the security context is complete or an error occurs. The research record locates this support at Section 3.1 (Negotiating Context).\nA server that receives a TSIG name for which it has no established security context returns the TSIG error BADKEY. The research record locates this support at Section 5.2 (Server Processing of TSIG).\n\nDo not import neighboring assumptions into the source record. The supported task is a scoped comparison involving authoritative zones, delegations, resolvers, caches, record owners, and the clients that consume the resulting answers and the conditions the source actually describes.\nWhat the source does not establish\nThis RFC evidence supports only the named DNS protocol decision; it does not prove Windows implementation support or a safe production configuration. It does not establish a deployment’s current state, authorize a production change, prove compliance, or show that Windows DNS roles, Active Directory-integrated data, forwarding paths, time, routing, firewalls, and registrar or registry state are healthy. Documented options are review inputs, not universal mandates.\nApplicability questions\n\nFor source statement 1 at Sections 2.1 (GSS API) and 2.2 (TKEY and TSIG), which observable configuration, record, or test can confirm applicability here?\nFor source statement 2 at Section 3.1 (Negotiating Context), which observable configuration, record, or test can confirm applicability here?\nFor source statement 3 at Section 5.2 (Server Processing of TSIG), which observable configuration, record, or test can confirm applicability here?\nWithin authoritative zones, delegations, resolvers, caches, record owners, and the clients that consume the resulting answers, which versions, roles, and configuration states define the review population?\nCould Windows DNS roles, Active Directory-integrated data, forwarding paths, time, routing, firewalls, and registrar or registry state invalidate the test, hide a failure, or change applicability?\nWho owns the decision, and which observation requires stopping, escalation, or rollback?\n\nDSE recommendation:\nDSE recommends using the cited source as the evidence anchor for this decision. Use a two-person review for the source interpretation and the resulting operational decision. Record the source location, examined part of authoritative zones, delegations, resolvers, caches, record owners, and the clients that consume the resulting answers, observed and expected states, owner, and reason for deviation.\nAn implementation decision needs an owner, approved window, prechecks, observable outcome, stop authority, and rollback path. Validate Windows DNS roles, Active Directory-integrated data, forwarding paths, time, routing, firewalls, and registrar or registry state before and after the test, and store only sanitized operational evidence.\nVerification and evidence\nTie each conclusion back to Sections 2.1 (GSS API) and 2.2 (TKEY and TSIG); Section 3.1 (Negotiating Context); Section 5.2 (Server Processing of TSIG) and to observable material such as zone data, packet captures, query transcripts, delegation checks, resolver configuration, and negative-answer behavior. Preserve provenance and stable identifiers without copying secrets into the evidence set.\nPreserve both successful and failed observations, along with approval and rollback evidence. Avoid uncontrolled production experiments. Assign an expiry or event-driven recheck so the conclusion is not treated as permanent.\nOfficial references\n\nRFC 3645 — Generic Security Service Algorithm for Secret Key Transaction Authentication for DNS (GSS-TSIG) — RFC Editor / Internet Engineering Task Force",
        "content_markdown": "Use this document to connect an official requirement or behavior to observable evidence: Establish GSS-TSIG context keys without confusing them with zone data. Only the official source and traced locations below supply facts. Confirm applicability before acting.\n\n## Source fact:\n\nThe official [RFC 3645 — Generic Security Service Algorithm for Secret Key Transaction Authentication for DNS (GSS-TSIG)](https://www.rfc-editor.org/rfc/rfc3645.html) from RFC Editor / Internet Engineering Task Force supports the following bounded statements:\n\n- GSS-TSIG uses a TKEY exchange to establish a GSS security context and then uses the derived context key with TSIG. The research record locates this support at Sections 2.1 (GSS API) and 2.2 (TKEY and TSIG).\n\n- The client repeats GSS_Init_sec_context token exchanges in TKEY queries until the security context is complete or an error occurs. The research record locates this support at Section 3.1 (Negotiating Context).\n\n- A server that receives a TSIG name for which it has no established security context returns the TSIG error BADKEY. The research record locates this support at Section 5.2 (Server Processing of TSIG).\n\nDo not import neighboring assumptions into the source record. The supported task is a scoped comparison involving authoritative zones, delegations, resolvers, caches, record owners, and the clients that consume the resulting answers and the conditions the source actually describes.\n\n## What the source does not establish\n\nThis RFC evidence supports only the named DNS protocol decision; it does not prove Windows implementation support or a safe production configuration. It does not establish a deployment’s current state, authorize a production change, prove compliance, or show that Windows DNS roles, Active Directory-integrated data, forwarding paths, time, routing, firewalls, and registrar or registry state are healthy. Documented options are review inputs, not universal mandates.\n\n## Applicability questions\n\n- For source statement 1 at Sections 2.1 (GSS API) and 2.2 (TKEY and TSIG), which observable configuration, record, or test can confirm applicability here?\n\n- For source statement 2 at Section 3.1 (Negotiating Context), which observable configuration, record, or test can confirm applicability here?\n\n- For source statement 3 at Section 5.2 (Server Processing of TSIG), which observable configuration, record, or test can confirm applicability here?\n\n- Within authoritative zones, delegations, resolvers, caches, record owners, and the clients that consume the resulting answers, which versions, roles, and configuration states define the review population?\n\n- Could Windows DNS roles, Active Directory-integrated data, forwarding paths, time, routing, firewalls, and registrar or registry state invalidate the test, hide a failure, or change applicability?\n\n- Who owns the decision, and which observation requires stopping, escalation, or rollback?\n\n## DSE recommendation:\n\nDSE recommends using the cited source as the evidence anchor for this decision. Use a two-person review for the source interpretation and the resulting operational decision. Record the source location, examined part of authoritative zones, delegations, resolvers, caches, record owners, and the clients that consume the resulting answers, observed and expected states, owner, and reason for deviation.\n\nAn implementation decision needs an owner, approved window, prechecks, observable outcome, stop authority, and rollback path. Validate Windows DNS roles, Active Directory-integrated data, forwarding paths, time, routing, firewalls, and registrar or registry state before and after the test, and store only sanitized operational evidence.\n\n## Verification and evidence\n\nTie each conclusion back to Sections 2.1 (GSS API) and 2.2 (TKEY and TSIG); Section 3.1 (Negotiating Context); Section 5.2 (Server Processing of TSIG) and to observable material such as zone data, packet captures, query transcripts, delegation checks, resolver configuration, and negative-answer behavior. Preserve provenance and stable identifiers without copying secrets into the evidence set.\n\nPreserve both successful and failed observations, along with approval and rollback evidence. Avoid uncontrolled production experiments. Assign an expiry or event-driven recheck so the conclusion is not treated as permanent.\n\n## Official references\n\n- [RFC 3645 — Generic Security Service Algorithm for Secret Key Transaction Authentication for DNS (GSS-TSIG)](https://www.rfc-editor.org/rfc/rfc3645.html) — RFC Editor / Internet Engineering Task Force"
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                "description": "Use RFC 3645 — Generic Security Service Algorithm for Secret Key Transaction Authentication for DNS (GSS-TSIG) to review this narrow operational…",
                "abstract": "Use RFC 3645 — Generic Security Service Algorithm for Secret Key Transaction Authentication for DNS (GSS-TSIG) to review this narrow operational decision without extending the source beyond its stated scope.",
                "articleBody": "Use this document to connect an official requirement or behavior to observable evidence: Establish GSS-TSIG context keys without confusing them with zone data. Only the official source and traced locations below supply facts. Confirm applicability before acting.\nSource fact:\nThe official RFC 3645 — Generic Security Service Algorithm for Secret Key Transaction Authentication for DNS (GSS-TSIG) from RFC Editor / Internet Engineering Task Force supports the following bounded statements:\n\nGSS-TSIG uses a TKEY exchange to establish a GSS security context and then uses the derived context key with TSIG. The research record locates this support at Sections 2.1 (GSS API) and 2.2 (TKEY and TSIG).\nThe client repeats GSS_Init_sec_context token exchanges in TKEY queries until the security context is complete or an error occurs. The research record locates this support at Section 3.1 (Negotiating Context).\nA server that receives a TSIG name for which it has no established security context returns the TSIG error BADKEY. The research record locates this support at Section 5.2 (Server Processing of TSIG).\n\nDo not import neighboring assumptions into the source record. The supported task is a scoped comparison involving authoritative zones, delegations, resolvers, caches, record owners, and the clients that consume the resulting answers and the conditions the source actually describes.\nWhat the source does not establish\nThis RFC evidence supports only the named DNS protocol decision; it does not prove Windows implementation support or a safe production configuration. It does not establish a deployment’s current state, authorize a production change, prove compliance, or show that Windows DNS roles, Active Directory-integrated data, forwarding paths, time, routing, firewalls, and registrar or registry state are healthy. Documented options are review inputs, not universal mandates.\nApplicability questions\n\nFor source statement 1 at Sections 2.1 (GSS API) and 2.2 (TKEY and TSIG), which observable configuration, record, or test can confirm applicability here?\nFor source statement 2 at Section 3.1 (Negotiating Context), which observable configuration, record, or test can confirm applicability here?\nFor source statement 3 at Section 5.2 (Server Processing of TSIG), which observable configuration, record, or test can confirm applicability here?\nWithin authoritative zones, delegations, resolvers, caches, record owners, and the clients that consume the resulting answers, which versions, roles, and configuration states define the review population?\nCould Windows DNS roles, Active Directory-integrated data, forwarding paths, time, routing, firewalls, and registrar or registry state invalidate the test, hide a failure, or change applicability?\nWho owns the decision, and which observation requires stopping, escalation, or rollback?\n\nDSE recommendation:\nDSE recommends using the cited source as the evidence anchor for this decision. Use a two-person review for the source interpretation and the resulting operational decision. Record the source location, examined part of authoritative zones, delegations, resolvers, caches, record owners, and the clients that consume the resulting answers, observed and expected states, owner, and reason for deviation.\nAn implementation decision needs an owner, approved window, prechecks, observable outcome, stop authority, and rollback path. Validate Windows DNS roles, Active Directory-integrated data, forwarding paths, time, routing, firewalls, and registrar or registry state before and after the test, and store only sanitized operational evidence.\nVerification and evidence\nTie each conclusion back to Sections 2.1 (GSS API) and 2.2 (TKEY and TSIG); Section 3.1 (Negotiating Context); Section 5.2 (Server Processing of TSIG) and to observable material such as zone data, packet captures, query transcripts, delegation checks, resolver configuration, and negative-answer behavior. Preserve provenance and stable identifiers without copying secrets into the evidence set.\nPreserve both successful and failed observations, along with approval and rollback evidence. Avoid uncontrolled production experiments. Assign an expiry or event-driven recheck so the conclusion is not treated as permanent.\nOfficial references\n\nRFC 3645 — Generic Security Service Algorithm for Secret Key Transaction Authentication for DNS (GSS-TSIG) — RFC Editor / Internet Engineering Task Force",
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