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Disponible en 20 llengües" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-20" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">20 llengües</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/802.1x" title="802.1x - búlgar" lang="bg" hreflang="bg" data-title="802.1x" data-language-autonym="Български" data-language-local-name="búlgar" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/IEEE_802.1X" title="IEEE 802.1X - txec" lang="cs" hreflang="cs" data-title="IEEE 802.1X" data-language-autonym="Čeština" data-language-local-name="txec" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/IEEE_802.1X" title="IEEE 802.1X - alemany" lang="de" hreflang="de" data-title="IEEE 802.1X" data-language-autonym="Deutsch" data-language-local-name="alemany" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/IEEE_802.1X" title="IEEE 802.1X - anglès" lang="en" hreflang="en" data-title="IEEE 802.1X" data-language-autonym="English" data-language-local-name="anglès" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/IEEE_802.1X" title="IEEE 802.1X - espanyol" lang="es" hreflang="es" data-title="IEEE 802.1X" data-language-autonym="Español" data-language-local-name="espanyol" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/IEEE_802.1X" title="IEEE 802.1X - finès" lang="fi" hreflang="fi" data-title="IEEE 802.1X" data-language-autonym="Suomi" data-language-local-name="finès" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/IEEE_802.1X" title="IEEE 802.1X - francès" lang="fr" hreflang="fr" data-title="IEEE 802.1X" data-language-autonym="Français" data-language-local-name="francès" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/IEEE_802.1X" title="IEEE 802.1X - hebreu" lang="he" hreflang="he" data-title="IEEE 802.1X" data-language-autonym="עברית" data-language-local-name="hebreu" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/IEEE_802.1x" title="IEEE 802.1x - italià" lang="it" hreflang="it" data-title="IEEE 802.1x" data-language-autonym="Italiano" data-language-local-name="italià" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/IEEE_802.1X" title="IEEE 802.1X - japonès" lang="ja" hreflang="ja" data-title="IEEE 802.1X" data-language-autonym="日本語" data-language-local-name="japonès" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/IEEE_802.1X" title="IEEE 802.1X - coreà" lang="ko" hreflang="ko" data-title="IEEE 802.1X" data-language-autonym="한국어" data-language-local-name="coreà" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/IEEE_802.1X" title="IEEE 802.1X - noruec bokmål" lang="nb" hreflang="nb" data-title="IEEE 802.1X" data-language-autonym="Norsk bokmål" data-language-local-name="noruec bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/IEEE_802.1X" title="IEEE 802.1X - polonès" lang="pl" hreflang="pl" data-title="IEEE 802.1X" data-language-autonym="Polski" data-language-local-name="polonès" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt badge-Q70893996 mw-list-item" title=""><a href="https://pt.wikipedia.org/wiki/IEEE_802.1X" title="IEEE 802.1X - portuguès" lang="pt" hreflang="pt" data-title="IEEE 802.1X" data-language-autonym="Português" data-language-local-name="portuguès" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/IEEE_802.1X" title="IEEE 802.1X - rus" lang="ru" hreflang="ru" data-title="IEEE 802.1X" data-language-autonym="Русский" data-language-local-name="rus" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/IEEE_802.1X" title="IEEE 802.1X - Simple English" lang="en-simple" hreflang="en-simple" data-title="IEEE 802.1X" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/IEEE_802.1X" title="IEEE 802.1X - suec" lang="sv" hreflang="sv" data-title="IEEE 802.1X" data-language-autonym="Svenska" data-language-local-name="suec" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/IEEE_802.1X" title="IEEE 802.1X - turc" lang="tr" hreflang="tr" data-title="IEEE 802.1X" data-language-autonym="Türkçe" data-language-local-name="turc" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/IEEE_802.1X" title="IEEE 802.1X - ucraïnès" lang="uk" hreflang="uk" data-title="IEEE 802.1X" data-language-autonym="Українська" data-language-local-name="ucraïnès" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/IEEE_802.1X" title="IEEE 802.1X - xinès" lang="zh" hreflang="zh" data-title="IEEE 802.1X" data-language-autonym="中文" data-language-local-name="xinès" 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</div> <div id="siteSub" class="noprint">De la Viquipèdia, l'enciclopèdia lliure</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="ca" dir="ltr"><table class="infobox vcard" style="font-size:90%;width:25em"><caption style="font-weight:bold;background:Moccasin"><span style="float:left;"><span class="skin-invert" typeof="mw:File"><a href="/wiki/Fitxer:Emoji_u1f4d6_ct.svg" class="mw-file-description" title="Infotaula de llibre"><img alt="Infotaula de llibre" src="//upload.wikimedia.org/wikipedia/commons/thumb/9/9f/Emoji_u1f4d6_ct.svg/28px-Emoji_u1f4d6_ct.svg.png" decoding="async" width="28" height="20" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/9f/Emoji_u1f4d6_ct.svg/42px-Emoji_u1f4d6_ct.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/9f/Emoji_u1f4d6_ct.svg/56px-Emoji_u1f4d6_ct.svg.png 2x" data-file-width="128" data-file-height="90" /></a></span></span><i>IEEE 802.1X</i></caption><tbody><tr><th colspan="2" style="text-align:center;font-size:125%;font-weight:bold;font-style:italic; background:Moccasin; font-size:110%;"><span style="font-size:small; font-weight: normal;">(en)</span> <span lang="en">IEEE Standard for Local and metropolitan area networks--Port-Based Network Access Control</span> <span class="penicon"><span class="mw-valign-baseline" typeof="mw:File"><a href="https://www.wikidata.org/wiki/Q1428844?uselang=ca#P1476" title="Modifica el valor a Wikidata"><img alt="Modifica el valor a Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/10px-Arbcom_ru_editing.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/15px-Arbcom_ru_editing.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/20px-Arbcom_ru_editing.svg.png 2x" data-file-width="600" data-file-height="600" /></a></span></span></th></tr><tr><th scope="row" class="infobox-label" style="text-align:left;padding-right:1.2em; width:40%; background:#eeeeee; text-align:start">Tipus</th><td class="infobox-data" style="text-align:start"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q55755785" class="extiw" title="d:Special:EntityPage/Q55755785">estàndard de l'IEEE</a> <span class="penicon"><span class="mw-valign-baseline" typeof="mw:File"><a href="https://www.wikidata.org/wiki/Q1428844?uselang=ca#P31" title="Modifica el valor a Wikidata"><img alt="Modifica el valor a Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/10px-Arbcom_ru_editing.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/15px-Arbcom_ru_editing.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/20px-Arbcom_ru_editing.svg.png 2x" data-file-width="600" data-file-height="600" /></a></span></span></td></tr><tr><th colspan="2" class="infobox-header" style="text-align:center;background:Moccasin;">Fitxa</th></tr><tr><th scope="row" class="infobox-label" style="text-align:left;padding-right:1.2em; width:40%; background:#eeeeee; text-align:start">Autor</th><td class="infobox-data" style="text-align:start"><a href="/wiki/Institute_of_Electrical_and_Electronics_Engineers" title="Institute of Electrical and Electronics Engineers">Institute of Electrical and Electronics Engineers</a></td></tr><tr><th scope="row" class="infobox-label" style="text-align:left;padding-right:1.2em; width:40%; background:#eeeeee; text-align:start">Llengua</th><td class="infobox-data" style="text-align:start"><a href="/wiki/Angl%C3%A8s" title="Anglès">Anglès</a></td></tr><tr><th scope="row" class="infobox-label" style="text-align:left;padding-right:1.2em; width:40%; background:#eeeeee; text-align:start">Publicació</th><td class="infobox-data" style="text-align:start"><a href="/wiki/Internacional_(pol%C3%ADtica)" title="Internacional (política)">Internacional</a>, 2001</td></tr><tr><th scope="row" class="infobox-label" style="text-align:left;padding-right:1.2em; width:40%; background:#eeeeee; text-align:start">Editor</th><td class="infobox-data" style="text-align:start">IEEE</td></tr><tr><th colspan="2" class="infobox-header" style="text-align:center;background:Moccasin;">Dades i xifres</th></tr><tr><th scope="row" class="infobox-label" style="text-align:left;padding-right:1.2em; width:40%; background:#eeeeee; text-align:start">Gènere</th><td class="infobox-data" style="text-align:start"><a href="/wiki/Norma_social" title="Norma social">Norma</a></td></tr><tr><th colspan="2" class="infobox-header" style="text-align:center;background:Moccasin;">Sèrie</th></tr><tr><th scope="row" class="infobox-label" style="text-align:left;padding-right:1.2em; width:40%; background:#eeeeee; text-align:start">Part de</th><td class="infobox-data" style="text-align:start"><a href="/wiki/IEEE_802.1" title="IEEE 802.1">IEEE 802.1</a> <span class="penicon"><span class="mw-valign-baseline" typeof="mw:File"><a href="https://www.wikidata.org/wiki/Q1428844?uselang=ca#P361" title="Modifica el valor a Wikidata"><img alt="Modifica el valor a Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/10px-Arbcom_ru_editing.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/15px-Arbcom_ru_editing.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/20px-Arbcom_ru_editing.svg.png 2x" data-file-width="600" data-file-height="600" /></a></span></span></td></tr></tbody></table> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/Fitxer:802.1X_wired_protocols.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/1/1f/802.1X_wired_protocols.png/220px-802.1X_wired_protocols.png" decoding="async" width="220" height="141" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/1/1f/802.1X_wired_protocols.png/330px-802.1X_wired_protocols.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/1/1f/802.1X_wired_protocols.png/440px-802.1X_wired_protocols.png 2x" data-file-width="444" data-file-height="284" /></a><figcaption>Fig.1 Esquema del protocol IEEE 802.1X</figcaption></figure> <p><b>IEEE 802.1X</b> és una norma de l'<a href="/wiki/Associaci%C3%B3_d%27est%C3%A0ndards_IEEE" title="Associació d'estàndards IEEE">Associació d'estàndards IEEE</a> adreçada a la seguretat de les xarxes informàtiques i establerta com a família de normes <a href="/wiki/Institute_of_Electrical_and_Electronics_Engineers" title="Institute of Electrical and Electronics Engineers">IEEE</a> el 2001. Permet de controlar l'accés o autenticació als equips d'infraestructura de xarxa <a href="/wiki/Xarxa_d%27%C3%A0rea_local" title="Xarxa d'àrea local">LAN</a> o <a href="/wiki/WLAN" class="mw-redirect" title="WLAN">WLAN</a>.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Propietats">Propietats</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=IEEE_802.1X&action=edit&section=1" title="Modifica la secció: Propietats"><span>modifica</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li>IEEE 802.1X defineix l'encapsulació del <a href="/wiki/Extensible_Authentication_Protocol" title="Extensible Authentication Protocol">protocol EAP</a> sobre <a href="/wiki/IEEE_802" title="IEEE 802">IEEE 802</a>, que és conegut com a "EAP sobre LAN" o EAPoL.</li> <li>L'autenticació 802.1X implica 3 parts : un suplicant, un autenticador i un servidor d'autenticacions.</li> <li>El suplicant és el dispositiu client com per exemple un ordinador que desitja accedir a una xarxa LAN/WLAN.</li> <li>L'autenticador és un dispositiu de xarxa com per exemple un <a href="/wiki/Commutador_(xarxa)" title="Commutador (xarxa)">commutador de xarxa</a> o un <a href="/wiki/Punt_d%27acc%C3%A9s" class="mw-redirect" title="Punt d'accés">punt d'accés</a>.</li> <li>El servidor d'autenticacions és un ordinador central executant els protocols <a href="/wiki/RADIUS" title="RADIUS">RADIUS</a> i <a href="/wiki/Extensible_Authentication_Protocol" title="Extensible Authentication Protocol">EAP.</a></li> <li>EAPoL opera sobre la <a href="/wiki/Capa_de_xarxa" title="Capa de xarxa">capa de xarxa</a> al damunt de la <a href="/wiki/Capa_d%27enlla%C3%A7_de_dades" title="Capa d'enllaç de dades">capa d'enllaç de dades MAC</a>.</li></ul> <div class="mw-heading mw-heading2"><h2 id="Procés_d'autenticació"><span id="Proc.C3.A9s_d.27autenticaci.C3.B3"></span>Procés d'autenticació</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=IEEE_802.1X&action=edit&section=2" title="Modifica la secció: Procés d'autenticació"><span>modifica</span></a><span class="mw-editsection-bracket">]</span></span></div> <ol><li>Inicialització.</li> <li>Iniciació.</li> <li>Negociació.</li> <li>Autenticació.</li></ol> <div class="mw-heading mw-heading2"><h2 id="Referències"><span id="Refer.C3.A8ncies"></span>Referències</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=IEEE_802.1X&action=edit&section=3" title="Modifica la secció: Referències"><span>modifica</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="reflist {{#if: | references-column-count references-column-count-{{{col}}}" style="list-style-type: decimal;"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><a href="#cite_ref-1">↑</a></span> <span class="reference-text"><span class="citation" style="font-style:normal" id="CITEREFSnyder2017"><span style="font-variant: small-caps;">Snyder</span>, Joel «<a rel="nofollow" class="external text" href="https://www.networkworld.com/article/2216499/wireless/what-is-802-1x-.html">What is 802.1X?</a>» (en anglès). <i>Network World</i>, 01-11-2017.</span></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><a href="#cite_ref-2">↑</a></span> <span class="reference-text"><span class="citation" style="font-style:normal">«<a rel="nofollow" class="external text" href="http://www.ciscopress.com/articles/article.asp?p=29600&seqNum=2">The IEEE 802.1X Standard > IEEE 802.1X: Practical Port Control for Switches</a>» (en anglès).  <a rel="nofollow" class="external free" href="http://www.ciscopress.com.+">http://www.ciscopress.com.+</a>[Consulta: 1r novembre 2017].</span></span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><a href="#cite_ref-3">↑</a></span> <span class="reference-text"><span class="citation" style="font-style:normal">«<a rel="nofollow" class="external text" href="https://web.archive.org/web/20171114213613/https://standards.ieee.org/findstds/standard/802.1X-2010.html">IEEE SA - 802.1X-2010 - IEEE Standard for Local and metropolitan area networks--Port-Based Network Access Control</a>» (en anglès).  <a rel="nofollow" class="external free" href="https://standards.ieee.org/">https://standards.ieee.org/</a>. Arxivat de l'<a rel="nofollow" class="external text" href="https://standards.ieee.org/findstds/standard/802.1X-2010.html">original</a> el 2017-11-14. [Consulta: 1r novembre 2017].</span></span> </li> </ol></div></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Obtingut de «<a dir="ltr" href="https://ca.wikipedia.org/w/index.php?title=IEEE_802.1X&oldid=31970795">https://ca.wikipedia.org/w/index.php?title=IEEE_802.1X&oldid=31970795</a>»</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Especial:Categorias" title="Especial:Categorias">Categories</a>: <ul><li><a href="/wiki/Categoria:Criptografia" title="Categoria:Criptografia">Criptografia</a></li><li><a href="/wiki/Categoria:Xarxes_inform%C3%A0tiques" title="Categoria:Xarxes informàtiques">Xarxes informàtiques</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> La pàgina va ser modificada per darrera vegada el 22 juny 2023 a les 09:51.</li> <li id="footer-info-copyright">El text està disponible sota la <a href="/wiki/Viquip%C3%A8dia:Text_de_la_llic%C3%A8ncia_de_Creative_Commons_Reconeixement-Compartir_Igual_4.0_No_adaptada" title="Viquipèdia:Text de la llicència de Creative Commons Reconeixement-Compartir Igual 4.0 No adaptada"> Llicència de Creative Commons Reconeixement i Compartir-Igual</a>; es poden aplicar termes addicionals. 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