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draft-foudil-securitytxt.html
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draft-foudil-securitytxt.html
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<!DOCTYPE html>
<html lang="en" class="Internet-Draft">
<head>
<meta charset="utf-8">
<meta content="Common,Latin" name="scripts">
<meta content="initial-scale=1.0" name="viewport">
<title>A File Format to Aid in Security Vulnerability Disclosure</title>
<meta content="Edwin Foudil" name="author">
<meta content="Yakov Shafranovich" name="author">
<meta content='
When security vulnerabilities are discovered by
researchers, proper reporting channels are often lacking. As a result,
vulnerabilities may be left unreported. This document defines a format
("security.txt") to help organizations describe their vulnerability disclosure practices
to make it easier for researchers to report vulnerabilities.
' name="description">
<meta content="xml2rfc 2.47.0" name="generator">
<meta content="draft-foudil-securitytxt-10" name="ietf.draft">
<link href="draft-foudil-securitytxt.xml" rel="alternate" type="application/rfc+xml">
<link href="#copyright" rel="license">
<style type="text/css">@import url('https://martinthomson.github.io/i-d-template/fonts.css');
html {
--background-color: #fff;
--text-color: #222;
--title-color: #191919;
--link-color: #2a6496;
--highlight-color: #f9f9f9;
--line-color: #eee;
--small-font-size: 14.5px;
}
body {
max-width: 600px;
margin: 75px auto;
padding: 0 5px;
color: var(--text-color);
background-color: var(--background-color);
font: 16px/22px "Lora", serif;
scroll-behavior: smooth;
}
.ears {
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/* headings */
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font-family: "Cabin Condensed", sans-serif;
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font-size-adjust: 0.5;
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}
#title {
padding: 1em 0 0.2em;
font-size: 32px;
line-height: 40px;
clear: both;
}
h1, h2, h3 {
font-size: 22px;
line-height: 26px;
}
h4, h5, h6 {
font-size: 18px;
line-height: 22px;
}
/* general structure */
.author {
padding-bottom: 0.3em;
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#abstract+p, #abstract+p code, #abstract+p samp, #abstract+p tt {
font-size: 18px;
line-height: 24px;
}
p {
padding: 0;
margin: 0.5em 0;
text-align: left;
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div, span {
position: relative;
}
div {
margin: 0;
}
.alignRight.art-text {
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margin-bottom: 0.5em;
}
.alignRight.art-text pre {
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}
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margin: 1em 0;
}
.alignRight > *:first-child {
border: none;
margin: 0;
float: right;
clear: both;
}
.alignRight > *:nth-child(2) {
clear: both;
display: block;
border: none;
}
svg {
display: block;
}
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background-color: var(--highlight-color);
border: 1px solid var(--line-color);
border-radius: 3px;
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}
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width: auto;
}
.alignCenter {
margin: 1em 0;
}
.alignCenter > *:first-child {
border: none;
/* this isn't optimal, but it's an existence proof. PrinceXML doesn't
support flexbox yet.
*/
display: table;
margin: 0 auto;
}
/* lists */
ol, ul {
padding: 0;
margin: 0 0 1em 2em;
}
ol ol, ul ul, ol ul, ul ol {
margin-left: 1em;
}
li {
margin: 0 0 0.25em 0;
}
.ulCompact li {
margin: 0;
}
ul.empty, .ulEmpty {
list-style-type: none;
}
ul.empty li, .ulEmpty li {
margin-top: 0.5em;
}
ul.compact, .ulCompact,
ol.compact, .olCompact {
line-height: 100%;
margin: 0 0 0 2em;
}
/* definition lists */
dl {
}
dl > dt {
float: left;
margin-right: 1em;
}
dl > dd {
margin-bottom: .8em;
min-height: 1.3em;
}
dl.compact > dd, .dlCompact > dd {
margin-bottom: 0em;
}
dl > dd > dl {
margin-top: 0.5em;
margin-bottom: 0em;
}
dd.break {
display: none;
}
/* links */
a, a[href].selfRef:hover {
text-decoration: none;
}
a[href].selfRef {
color: var(--text-color);
}
a[href] {
color: var(--link-color);
}
a[href]:hover {
text-decoration: underline;
}
a[href].selfRef:hover {
background-color: var(--highlight-color);
}
a.xref {
white-space: nowrap;
}
/* Figures */
tt, code, pre {
background-color: var(--highlight-color);
font: 14px/22px 'Oxygen Mono', monospace;
}
pre {
border: 1px solid var(--line-color);
font-size: 13.5px;
line-height: 16px;
letter-spacing: -0.2px;
margin: 5px;
padding: 5px;
}
img {
max-width: 100%;
}
figure {
margin: 0.5em 0;
}
figure blockquote {
margin: 0.8em 0.4em 0.4em;
}
figcaption, caption {
font-style: italic;
margin: 0.5em 1.5em;
text-align: left;
}
@media screen {
pre {
display: inline-block;
overflow-x: auto;
max-width: 100%;
width: calc(100% - 22px - 1em);
}
figure pre {
display: block;
width: calc(100% - 25px);
}
pre + .pilcrow {
display: inline-block;
vertical-align: text-bottom;
padding-bottom: 8px;
}
table {
display: inline-block;
overflow-x: auto;
}
}
/* aside, blockquote */
aside, blockquote {
margin-left: 0;
padding: 0 2em;
font-style: italic;
}
blockquote {
background-color: var(--highlight-color);
border: 1px solid var(--line-color);
border-radius: 3px;
margin: 1em 0;
}
cite {
display: block;
text-align: right;
font-style: italic;
}
/* tables */
table {
width: 100%;
margin: 0 0 1em;
border-collapse: collapse;
}
thead, tbody {
border: 1px solid var(--line-color);
}
th, td {
text-align: left;
vertical-align: top;
padding: 5px 10px;
}
th {
text-align: left;
background-color: #eee;
}
tr:nth-child(2n) > td {
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tr:nth-child(2n+1) > td {
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}
thead+tbody > tr:nth-child(2n) > td {
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thead+tbody > tr:nth-child(2n+1) > td {
background-color: var(--background-color);
}
table caption {
margin: 0;
padding: 3px 1em;
}
table p {
/* XXX to avoid bottom margin on table row signifiers. If paragraphs should
be allowed within tables more generally, it would be far better to select on a class. */
margin: 0;
}
/* pilcrow */
a.pilcrow {
margin-left: 3px;
visibility: hidden;
user-select: none;
}
a.pilcrow[href] { color: #ddd; }
a.pilcrow[href]:hover { text-decoration: none; }
@media screen {
:hover > a.pilcrow {
visibility: visible;
}
a.pilcrow:hover {
background-color: transparent;
}
}
/* misc */
hr {
border: 0;
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}
.bcp14 {
font-variant: small-caps;
}
.role {
font-variant: all-small-caps;
}
/* info block */
#identifiers {
margin: 0;
font-size: var(--small-font-size);
line-height: 18px;
--identifier-width: 8em;
}
#identifiers dt {
width: var(--identifier-width);
margin: 0;
clear: left;
float: left;
text-align: right;
}
#identifiers dd {
margin: 0 0 0 calc(1em + var(--identifier-width));
min-width: 5em;
}
#identifiers .authors .author {
display: inline-block;
margin-right: 1.5em;
}
#identifiers .authors .org {
font-style: italic;
}
/* The prepared/rendered info at the very bottom of the page */
.docInfo {
color: #999;
font-size: 0.9em;
font-style: italic;
margin-top: 2em;
}
.docInfo .prepared {
float: left;
}
.docInfo .prepared {
float: right;
}
/* table of contents */
#toc {
padding: 0.75em 0 2em 0;
margin-bottom: 1em;
}
#toc nav ul {
margin: 0 0.5em 0 0;
padding: 0;
list-style: none;
}
#toc nav li {
line-height: 1.3em;
margin: 0.75em 0;
padding-left: 1.2em;
text-indent: -1.2em;
}
#toc a.xref {
white-space: normal;
}
/* references */
.references dt {
text-align: right;
font-weight: bold;
min-width: 7em;
}
.references dd {
margin-left: 8em;
overflow: auto;
}
.refInstance {
margin-bottom: 1.25em;
}
.references .ascii {
margin-bottom: 0.25em;
}
/* index */
.index ul {
margin: 0 0 0 1em;
padding: 0;
list-style: none;
}
.index ul ul {
margin: 0;
}
.index li {
margin: 0;
text-indent: -2em;
padding-left: 2em;
padding-bottom: 5px;
}
.indexIndex {
margin: 0.5em 0 1em;
}
.index a {
font-weight: 700;
}
/* make the index two-column on all but the smallest screens */
@media (min-width: 500px) {
.index ul {
column-count: 2;
column-gap: 20px;
}
.index ul ul {
column-count: 1;
column-gap: 0;
}
}
/* authors */
address.vcard {
font-style: normal;
margin: 1em 0;
}
address.vcard .nameRole {
font-weight: 700;
margin-left: 0;
}
address.vcard .label {
margin: 0.5em 0;
}
address.vcard .type {
display: none;
}
.alternative-contact {
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hr.addr {
border-top: 1px dashed;
margin: 0;
color: #ddd;
max-width: calc(100% - 16px);
}
@media (min-width: 500px) {
#authors-addresses > section {
column-count: 2;
column-gap: 20px;
}
#authors-addresses > section > h2 {
column-span: all;
}
/* hack for break-inside: avoid-column */
#authors-addresses address {
display: inline-block;
break-inside: avoid-column;
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}
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font-style: italic;
}
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.crefSource {
font-style: italic;
}
/* alternative layout for smaller screens */
@media screen and (max-width: 929px) {
#toc {
position: fixed;
z-index: 2;
top: 0;
right: 0;
padding: 0;
margin: 0;
border-bottom: 1px solid #ccc;
opacity: 0.6;
}
#toc.active {
opacity: 1;
}
#toc h2 {
margin: 0;
padding: 2px 0 2px 6px;
padding-right: 1em;
font-size: 18px;
line-height: 24px;
min-width: 190px;
text-align: right;
background-color: #444;
color: white;
cursor: pointer;
}
#toc h2::before { /* css hamburger */
float: right;
position: relative;
width: 1em;
height: 1px;
left: -164px;
margin: 8px 0 0 0;
background: white none repeat scroll 0 0;
box-shadow: 0 4px 0 0 white, 0 8px 0 0 white;
content: "";
}
#toc nav {
display: none;
background-color: var(--background-color);
padding: 0.5em 1em 1em;
overflow: auto;
overscroll-behavior: contain;
height: calc(100vh - 48px);
border-left: 1px solid #ddd;
}
#toc.active nav {
display: block;
}
/* Make the collapsed ToC header render white on gray also when it's a link */
#toc h2 a,
#toc h2 a:link,
#toc h2 a:focus,
#toc h2 a:hover,
#toc a.toplink,
#toc a.toplink:hover {
color: white;
background-color: #444;
text-decoration: none;
}
#toc a.toplink {
margin-top: 2px;
}
}
/* alternative layout for wide screens */
@media screen and (min-width: 930px) {
body {
padding-right: 360px;
padding-right: calc(min(180px + 20%, 500px));
}
#toc {
position: fixed;
bottom: 0;
right: 0;
right: calc(50vw - 480px);
width: 312px;
margin: 0;
padding: 0;
z-index: 1;
}
#toc h2 {
margin: 0;
padding: 0.25em 1em 1em 0;
}
#toc nav {
display: block;
height: calc(90vh - 84px);
bottom: 0;
padding: 0.5em 0 2em;
overflow: auto;
overscroll-behavior: contain;
scrollbar-width: thin;
}
#toc nav > ul {
margin-bottom: 2em;
}
#toc ul {
margin: 0 0 0 4px;
font-size: var(--small-font-size);
}
#toc ul p, #toc ul li {
margin: 2px 0;
line-height: 22px;
}
img { /* future proofing */
max-width: 100%;
height: auto;
}
}
/* pagination */
@media print {
body {
width: 100%;
}
p {
orphans: 3;
widows: 3;
}
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border-bottom: none;
}
#toc, #n-introduction {
page-break-before: always;
}
#toc {
border-top: none;
padding-top: 0;
}
figure, pre {
page-break-inside: avoid;
}
figure {
overflow: scroll;
}
h1, h2, h3, h4, h5, h6 {
page-break-after: avoid;
}
h2+*, h3+*, h4+*, h5+*, h6+* {
page-break-before: avoid;
}
pre {
white-space: pre-wrap;
word-wrap: break-word;
font-size: 10pt;
}
table {
border: 1px solid #ddd;
}
td {
border-top: 1px solid #ddd;
}
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<table class="ears">
<thead><tr>
<td class="left">Internet-Draft</td>
<td class="center">A File Format to Aid in Security Vulnerability Disclosure</td>
<td class="right">August 2020</td>
</tr></thead>
<tfoot><tr>
<td class="left">Foudil & Shafranovich</td>
<td class="center">Expires 3 February 2021</td>
<td class="right">[Page]</td>
</tr></tfoot>
</table>
<div id="external-metadata" class="document-information"></div>
<div id="internal-metadata" class="document-information">
<dl id="identifiers">
<dt class="label-workgroup">Workgroup:</dt>
<dd class="workgroup">Network Working Group</dd>
<dt class="label-internet-draft">Internet-Draft:</dt>
<dd class="internet-draft">draft-foudil-securitytxt-10</dd>
<dt class="label-published">Published:</dt>
<dd class="published">
<time datetime="2020-08-02" class="published">2 August 2020</time>
</dd>
<dt class="label-intended-status">Intended Status:</dt>
<dd class="intended-status">Informational</dd>
<dt class="label-expires">Expires:</dt>
<dd class="expires"><time datetime="2021-02-03">3 February 2021</time></dd>
<dt class="label-authors">Authors:</dt>
<dd class="authors">
<div class="author">
<div class="author-name">E. Foudil</div>
</div>
<div class="author">
<div class="author-name">Y. Shafranovich</div>
<div class="org">Nightwatch Cybersecurity</div>
</div>
</dd>
</dl>
</div>
<h1 id="title">A File Format to Aid in Security Vulnerability Disclosure</h1>
<section id="section-abstract">
<h2 id="abstract"><a href="#abstract" class="selfRef">Abstract</a></h2>
<p id="section-abstract-1">When security vulnerabilities are discovered by
researchers, proper reporting channels are often lacking. As a result,
vulnerabilities may be left unreported. This document defines a format
("security.txt") to help organizations describe their vulnerability disclosure practices
to make it easier for researchers to report vulnerabilities.<a href="#section-abstract-1" class="pilcrow">¶</a></p>
</section>
<div id="status-of-memo">
<section id="section-boilerplate.1">
<h2 id="name-status-of-this-memo">
<a href="#name-status-of-this-memo" class="section-name selfRef">Status of This Memo</a>
</h2>
<p id="section-boilerplate.1-1">
This Internet-Draft is submitted in full conformance with the
provisions of BCP 78 and BCP 79.<a href="#section-boilerplate.1-1" class="pilcrow">¶</a></p>
<p id="section-boilerplate.1-2">
Internet-Drafts are working documents of the Internet Engineering Task
Force (IETF). Note that other groups may also distribute working
documents as Internet-Drafts. The list of current Internet-Drafts is
at <span><a href="https://datatracker.ietf.org/drafts/current/">https://datatracker.ietf.org/drafts/current/</a></span>.<a href="#section-boilerplate.1-2" class="pilcrow">¶</a></p>
<p id="section-boilerplate.1-3">
Internet-Drafts are draft documents valid for a maximum of six months
and may be updated, replaced, or obsoleted by other documents at any
time. It is inappropriate to use Internet-Drafts as reference
material or to cite them other than as "work in progress."<a href="#section-boilerplate.1-3" class="pilcrow">¶</a></p>
<p id="section-boilerplate.1-4">
This Internet-Draft will expire on 3 February 2021.<a href="#section-boilerplate.1-4" class="pilcrow">¶</a></p>
</section>
</div>
<div id="copyright">
<section id="section-boilerplate.2">
<h2 id="name-copyright-notice">
<a href="#name-copyright-notice" class="section-name selfRef">Copyright Notice</a>
</h2>
<p id="section-boilerplate.2-1">
Copyright (c) 2020 IETF Trust and the persons identified as the
document authors. All rights reserved.<a href="#section-boilerplate.2-1" class="pilcrow">¶</a></p>
<p id="section-boilerplate.2-2">
This document is subject to BCP 78 and the IETF Trust's Legal
Provisions Relating to IETF Documents
(<span><a href="https://trustee.ietf.org/license-info">https://trustee.ietf.org/license-info</a></span>) in effect on the date of
publication of this document. Please review these documents
carefully, as they describe your rights and restrictions with
respect to this document. Code Components extracted from this
document must include Simplified BSD License text as described in
Section 4.e of the Trust Legal Provisions and are provided without
warranty as described in the Simplified BSD License.<a href="#section-boilerplate.2-2" class="pilcrow">¶</a></p>
</section>
</div>
<div id="toc">
<section id="section-toc.1">
<a href="#" onclick="scroll(0,0)" class="toplink">▲</a><h2 id="name-table-of-contents">
<a href="#name-table-of-contents" class="section-name selfRef">Table of Contents</a>
</h2>
<nav class="toc"><ul class="ulEmpty compact toc">
<li class="ulEmpty compact toc" id="section-toc.1-1.1">
<p id="section-toc.1-1.1.1" class="keepWithNext"><a href="#section-1" class="xref">1</a>. <a href="#name-introduction" class="xref">Introduction</a><a href="#section-toc.1-1.1.1" class="pilcrow">¶</a></p>
<ul class="ulEmpty compact toc">
<li class="ulEmpty compact toc" id="section-toc.1-1.1.2.1">
<p id="section-toc.1-1.1.2.1.1" class="keepWithNext"><a href="#section-1.1" class="xref">1.1</a>. <a href="#name-motivation-prior-work-and-s" class="xref">Motivation, Prior Work and Scope</a><a href="#section-toc.1-1.1.2.1.1" class="pilcrow">¶</a></p>
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<li class="ulEmpty compact toc" id="section-toc.1-1.1.2.2">
<p id="section-toc.1-1.1.2.2.1" class="keepWithNext"><a href="#section-1.2" class="xref">1.2</a>. <a href="#name-terminology" class="xref">Terminology</a><a href="#section-toc.1-1.1.2.2.1" class="pilcrow">¶</a></p>
</li>
</ul>
</li>
<li class="ulEmpty compact toc" id="section-toc.1-1.2">
<p id="section-toc.1-1.2.1"><a href="#section-2" class="xref">2</a>. <a href="#name-note-to-readers" class="xref">Note to Readers</a><a href="#section-toc.1-1.2.1" class="pilcrow">¶</a></p>
</li>
<li class="ulEmpty compact toc" id="section-toc.1-1.3">
<p id="section-toc.1-1.3.1"><a href="#section-3" class="xref">3</a>. <a href="#name-the-specification" class="xref">The Specification</a><a href="#section-toc.1-1.3.1" class="pilcrow">¶</a></p>
<ul class="ulEmpty compact toc">
<li class="ulEmpty compact toc" id="section-toc.1-1.3.2.1">
<p id="section-toc.1-1.3.2.1.1"><a href="#section-3.1" class="xref">3.1</a>. <a href="#name-scope-of-the-file" class="xref">Scope of the File</a><a href="#section-toc.1-1.3.2.1.1" class="pilcrow">¶</a></p>
</li>
<li class="ulEmpty compact toc" id="section-toc.1-1.3.2.2">
<p id="section-toc.1-1.3.2.2.1"><a href="#section-3.2" class="xref">3.2</a>. <a href="#name-comments" class="xref">Comments</a><a href="#section-toc.1-1.3.2.2.1" class="pilcrow">¶</a></p>
</li>
<li class="ulEmpty compact toc" id="section-toc.1-1.3.2.3">
<p id="section-toc.1-1.3.2.3.1"><a href="#section-3.3" class="xref">3.3</a>. <a href="#name-line-separator" class="xref">Line Separator</a><a href="#section-toc.1-1.3.2.3.1" class="pilcrow">¶</a></p>
</li>
<li class="ulEmpty compact toc" id="section-toc.1-1.3.2.4">
<p id="section-toc.1-1.3.2.4.1"><a href="#section-3.4" class="xref">3.4</a>. <a href="#name-digital-signature" class="xref">Digital signature</a><a href="#section-toc.1-1.3.2.4.1" class="pilcrow">¶</a></p>
</li>
<li class="ulEmpty compact toc" id="section-toc.1-1.3.2.5">
<p id="section-toc.1-1.3.2.5.1"><a href="#section-3.5" class="xref">3.5</a>. <a href="#name-field-definitions" class="xref">Field Definitions</a><a href="#section-toc.1-1.3.2.5.1" class="pilcrow">¶</a></p>
<ul class="ulEmpty compact toc">
<li class="ulEmpty compact toc" id="section-toc.1-1.3.2.5.2.1">
<p id="section-toc.1-1.3.2.5.2.1.1"><a href="#section-3.5.1" class="xref">3.5.1</a>. <a href="#name-acknowledgments" class="xref">Acknowledgments</a><a href="#section-toc.1-1.3.2.5.2.1.1" class="pilcrow">¶</a></p>
</li>
<li class="ulEmpty compact toc" id="section-toc.1-1.3.2.5.2.2">
<p id="section-toc.1-1.3.2.5.2.2.1"><a href="#section-3.5.2" class="xref">3.5.2</a>. <a href="#name-canonical" class="xref">Canonical</a><a href="#section-toc.1-1.3.2.5.2.2.1" class="pilcrow">¶</a></p>
</li>
<li class="ulEmpty compact toc" id="section-toc.1-1.3.2.5.2.3">
<p id="section-toc.1-1.3.2.5.2.3.1"><a href="#section-3.5.3" class="xref">3.5.3</a>. <a href="#name-contact" class="xref">Contact</a><a href="#section-toc.1-1.3.2.5.2.3.1" class="pilcrow">¶</a></p>
</li>
<li class="ulEmpty compact toc" id="section-toc.1-1.3.2.5.2.4">
<p id="section-toc.1-1.3.2.5.2.4.1"><a href="#section-3.5.4" class="xref">3.5.4</a>. <a href="#name-encryption" class="xref">Encryption</a><a href="#section-toc.1-1.3.2.5.2.4.1" class="pilcrow">¶</a></p>
</li>
<li class="ulEmpty compact toc" id="section-toc.1-1.3.2.5.2.5">
<p id="section-toc.1-1.3.2.5.2.5.1"><a href="#section-3.5.5" class="xref">3.5.5</a>. <a href="#name-expires" class="xref">Expires</a><a href="#section-toc.1-1.3.2.5.2.5.1" class="pilcrow">¶</a></p>
</li>
<li class="ulEmpty compact toc" id="section-toc.1-1.3.2.5.2.6">
<p id="section-toc.1-1.3.2.5.2.6.1"><a href="#section-3.5.6" class="xref">3.5.6</a>. <a href="#name-hiring" class="xref">Hiring</a><a href="#section-toc.1-1.3.2.5.2.6.1" class="pilcrow">¶</a></p>
</li>
<li class="ulEmpty compact toc" id="section-toc.1-1.3.2.5.2.7">
<p id="section-toc.1-1.3.2.5.2.7.1"><a href="#section-3.5.7" class="xref">3.5.7</a>. <a href="#name-policy" class="xref">Policy</a><a href="#section-toc.1-1.3.2.5.2.7.1" class="pilcrow">¶</a></p>
</li>
<li class="ulEmpty compact toc" id="section-toc.1-1.3.2.5.2.8">
<p id="section-toc.1-1.3.2.5.2.8.1"><a href="#section-3.5.8" class="xref">3.5.8</a>. <a href="#name-preferred-languages" class="xref">Preferred-Languages</a><a href="#section-toc.1-1.3.2.5.2.8.1" class="pilcrow">¶</a></p>
</li>
</ul>
</li>
<li class="ulEmpty compact toc" id="section-toc.1-1.3.2.6">
<p id="section-toc.1-1.3.2.6.1"><a href="#section-3.6" class="xref">3.6</a>. <a href="#name-example-of-an-unsigned-secu" class="xref">Example of an unsigned "security.txt" file</a><a href="#section-toc.1-1.3.2.6.1" class="pilcrow">¶</a></p>
</li>
<li class="ulEmpty compact toc" id="section-toc.1-1.3.2.7">
<p id="section-toc.1-1.3.2.7.1"><a href="#section-3.7" class="xref">3.7</a>. <a href="#name-example-of-a-signed-securit" class="xref">Example of a signed "security.txt" file</a><a href="#section-toc.1-1.3.2.7.1" class="pilcrow">¶</a></p>
</li>
</ul>
</li>
<li class="ulEmpty compact toc" id="section-toc.1-1.4">
<p id="section-toc.1-1.4.1"><a href="#section-4" class="xref">4</a>. <a href="#name-location-of-the-securitytxt" class="xref">Location of the security.txt file</a><a href="#section-toc.1-1.4.1" class="pilcrow">¶</a></p>
<ul class="ulEmpty compact toc">
<li class="ulEmpty compact toc" id="section-toc.1-1.4.2.1">
<p id="section-toc.1-1.4.2.1.1"><a href="#section-4.1" class="xref">4.1</a>. <a href="#name-web-based-services" class="xref">Web-based services</a><a href="#section-toc.1-1.4.2.1.1" class="pilcrow">¶</a></p>
</li>
<li class="ulEmpty compact toc" id="section-toc.1-1.4.2.2">
<p id="section-toc.1-1.4.2.2.1"><a href="#section-4.2" class="xref">4.2</a>. <a href="#name-filesystems" class="xref">Filesystems</a><a href="#section-toc.1-1.4.2.2.1" class="pilcrow">¶</a></p>
</li>
<li class="ulEmpty compact toc" id="section-toc.1-1.4.2.3">
<p id="section-toc.1-1.4.2.3.1"><a href="#section-4.3" class="xref">4.3</a>. <a href="#name-extensibility" class="xref">Extensibility</a><a href="#section-toc.1-1.4.2.3.1" class="pilcrow">¶</a></p>
</li>
</ul>
</li>
<li class="ulEmpty compact toc" id="section-toc.1-1.5">
<p id="section-toc.1-1.5.1"><a href="#section-5" class="xref">5</a>. <a href="#name-file-format-description-and" class="xref">File Format Description and ABNF Grammar</a><a href="#section-toc.1-1.5.1" class="pilcrow">¶</a></p>
</li>
<li class="ulEmpty compact toc" id="section-toc.1-1.6">
<p id="section-toc.1-1.6.1"><a href="#section-6" class="xref">6</a>. <a href="#name-security-considerations" class="xref">Security Considerations</a><a href="#section-toc.1-1.6.1" class="pilcrow">¶</a></p>
<ul class="ulEmpty compact toc">
<li class="ulEmpty compact toc" id="section-toc.1-1.6.2.1">
<p id="section-toc.1-1.6.2.1.1"><a href="#section-6.1" class="xref">6.1</a>. <a href="#name-compromised-files-and-incid" class="xref">Compromised Files and Incident Response</a><a href="#section-toc.1-1.6.2.1.1" class="pilcrow">¶</a></p>
</li>
<li class="ulEmpty compact toc" id="section-toc.1-1.6.2.2">
<p id="section-toc.1-1.6.2.2.1"><a href="#section-6.2" class="xref">6.2</a>. <a href="#name-redirects" class="xref">Redirects</a><a href="#section-toc.1-1.6.2.2.1" class="pilcrow">¶</a></p>