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<!doctype html><html lang=en class=no-js> <head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1"><link href=https://kubernetes.github.io/ingress-nginx/user-guide/retaining-client-ipaddress/ rel=canonical><link rel="shortcut icon" href=../../assets/images/favicon.png><meta name=generator content="mkdocs-1.1.2, mkdocs-material-6.2.4"><title>Retaining client ipaddress - Ingress-Nginx Controller</title><link rel=stylesheet href=../../assets/stylesheets/main.15aa0b43.min.css><link rel=stylesheet href=../../assets/stylesheets/palette.75751829.min.css><meta name=theme-color content=#009485><link rel=preconnect href=https://fonts.gstatic.com crossorigin><link rel=stylesheet href="https://fonts.googleapis.com/css?family=Roboto:300,400,400i,700%7CRoboto+Mono&display=fallback"><style>body,input{font-family:"Roboto",-apple-system,BlinkMacSystemFont,Helvetica,Arial,sans-serif}code,kbd,pre{font-family:"Roboto Mono",SFMono-Regular,Consolas,Menlo,monospace}</style><link rel=stylesheet href=../../extra.css><script>window.ga=window.ga||function(){(ga.q=ga.q||[]).push(arguments)},ga.l=+new Date,ga("create","UA-118407822-1","kubernetes.github.io"),ga("set","anonymizeIp",!0),ga("send","pageview"),document.addEventListener("DOMContentLoaded",function(){document.forms.search&&document.forms.search.query.addEventListener("blur",function(){if(this.value){var e=document.location.pathname;ga("send","pageview",e+"?q="+this.value)}})}),document.addEventListener("DOMContentSwitch",function(){ga("send","pageview",document.location.pathname)})</script><script async src=https://www.google-analytics.com/analytics.js></script></head> <body dir=ltr data-md-color-scheme data-md-color-primary=teal data-md-color-accent=green> <input class=md-toggle data-md-toggle=drawer type=checkbox id=__drawer autocomplete=off> <input class=md-toggle data-md-toggle=search type=checkbox id=__search autocomplete=off> <label class=md-overlay for=__drawer></label> <div data-md-component=skip> <a href=#retaining-client-ipaddress class=md-skip> Skip to content </a> </div> <div data-md-component=announce> </div> <header class=md-header data-md-component=header> <nav class="md-header-nav md-grid" aria-label=Header> <a href=https://kubernetes.github.io/ingress-nginx title="Ingress-Nginx Controller" class="md-header-nav__button md-logo" aria-label="Ingress-Nginx Controller"> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M12 8a3 3 0 003-3 3 3 0 00-3-3 3 3 0 00-3 3 3 3 0 003 3m0 3.54C9.64 9.35 6.5 8 3 8v11c3.5 0 6.64 1.35 9 3.54 2.36-2.19 5.5-3.54 9-3.54V8c-3.5 0-6.64 1.35-9 3.54z"/></svg> </a> <label class="md-header-nav__button md-icon" for=__drawer> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M3 6h18v2H3V6m0 5h18v2H3v-2m0 5h18v2H3v-2z"/></svg> </label> <div class=md-header-nav__title data-md-component=header-title> <div class=md-header-nav__ellipsis> <div class=md-header-nav__topic> <span class=md-ellipsis> Ingress-Nginx Controller </span> </div> <div class=md-header-nav__topic> <span class=md-ellipsis> Retaining client ipaddress </span> </div> </div> </div> <label class="md-header-nav__button md-icon" for=__search> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M9.5 3A6.5 6.5 0 0116 9.5c0 1.61-.59 3.09-1.56 4.23l.27.27h.79l5 5-1.5 1.5-5-5v-.79l-.27-.27A6.516 6.516 0 019.5 16 6.5 6.5 0 013 9.5 6.5 6.5 0 019.5 3m0 2C7 5 5 7 5 9.5S7 14 9.5 14 14 12 14 9.5 12 5 9.5 5z"/></svg> </label> <div class=md-search data-md-component=search role=dialog> <label class=md-search__overlay for=__search></label> <div class=md-search__inner role=search> <form class=md-search__form name=search> <input type=text class=md-search__input name=query aria-label=Search placeholder=Search autocapitalize=off autocorrect=off autocomplete=off spellcheck=false data-md-component=search-query data-md-state=active required> <label class="md-search__icon md-icon" for=__search> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M9.5 3A6.5 6.5 0 0116 9.5c0 1.61-.59 3.09-1.56 4.23l.27.27h.79l5 5-1.5 1.5-5-5
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KIND: Service
VERSION: v1
FIELD: externalTrafficPolicy &lt;string&gt;
DESCRIPTION:
externalTrafficPolicy describes how nodes distribute service traffic they
receive on one of the Service&#39;s &quot;externally-facing&quot; addresses (NodePorts,
ExternalIPs, and LoadBalancer IPs). If set to &quot;Local&quot;, the proxy will
configure the service in a way that assumes that external load balancers
will take care of balancing the service traffic between nodes, and so each
node will deliver traffic only to the node-local endpoints of the service,
without masquerading the client source IP. (Traffic mistakenly sent to a
node with no endpoints will be dropped.) The default value, &quot;Cluster&quot;, uses
the standard behavior of routing to all endpoints evenly (possibly modified
by topology and other features). Note that traffic sent to an External IP or
LoadBalancer IP from within the cluster will always get &quot;Cluster&quot; semantics,
but clients sending to a NodePort from within the cluster may need to take
traffic policy into account when picking a node.
Possible enum values:
- `&quot;Cluster&quot;` routes traffic to all endpoints.
- `&quot;Local&quot;` preserves the source IP of the traffic by routing only to
endpoints on the same node as the traffic was received on (dropping the
traffic if there are no local endpoints).
</code></pre></div> <ul> <li>Setting the field <code>externalTrafficPolicy</code>, in the ingress-controller service, to a value of <code>Local</code> retains the client's ipaddress, within the scope explained above</li> </ul> </article> </div> </div> </main> <footer class=md-footer> <div class="md-footer-meta md-typeset"> <div class="md-footer-meta__inner md-grid"> <div class=md-footer-copyright> Made with <a href=https://squidfunk.github.io/mkdocs-material/ target=_blank rel=noopener> Material for MkDocs </a> </div> </div> </div> </footer> </div> <script src=../../assets/javascripts/vendor.93c04032.min.js></script> <script src=../../assets/javascripts/bundle.83e5331e.min.js></script><script id=__lang type=application/json>{"clipboard.copy": "Copy to clipboard", "clipboard.copied": "Copied to clipboard", "search.config.lang": "en", "search.config.pipeline": "trimmer, stopWordFilter", "search.config.separator": "[\\s\\-]+", "search.placeholder": "Search", "search.result.placeholder": "Type to start searching", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.term.missing": "Missing"}</script> <script>
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