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unreleased documentation for OAuth2 Proxy <strong>Next</strong> version.</div><div class="margin-top--md">For up-to-date documentation, see the <strong><a href="/oauth2-proxy/docs/configuration/tls">latest version</a></strong> (7.1.x).</div></div><div class="docItemContainer_3QWW"><article><div><span class="badge badge--secondary">Version: Next</span></div><header><h1 class="docTitle_1Lrw">TLS Configuration</h1></header><div class="markdown"><p>There are two recommended configurations.</p><ol><li><p>Configure SSL Termination with OAuth2 Proxy by providing a <code>--tls-cert-file=/path/to/cert.pem</code> and <code>--tls-key-file=/path/to/cert.key</code>.</p><p>The command line to run <code>oauth2-proxy</code> in this configuration would look like this:</p><div class="mdxCodeBlock_1XEh"><div class="codeBlockContent_1u-d"><button tabindex="0" type="button" aria-label="Copy code to clipboard" class="copyButton_10dd">Copy</button><div class="prism-code language-bash codeBlock_3iAC"><div class="codeBlockLines_b7E3" style="color:#bfc7d5;background-color:#292d3e"><div class="token-line" style="color:#bfc7d5"><span class="token plain">./oauth2-proxy </span><span class="token punctuation" style="color:rgb(199, 146, 234)">\</span><span class="token plain"></span></div><div class="token-line" style="color:#bfc7d5"><span class="token plain"> --email-domain</span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token string" style="color:rgb(195, 232, 141)">&quot;yourcompany.com&quot;</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">\</span><span class="token plain"></span></div><div class="token-line" style="color:#bfc7d5"><span class="token plain"> --upstream</span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain">http://127.0.0.1:8080/ </span><span class="token punctuation" style="color:rgb(199, 146, 234)">\</span><span class="token plain"></span></div><div class="token-line" style="color:#bfc7d5"><span class="token plain"> --tls-cert-file</span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain">/path/to/cert.pem </span><span class="token punctuation" style="color:rgb(199, 146, 234)">\</span><span class="token plain"></span></div><div class="token-line" style="color:#bfc7d5"><span class="token plain"> --tls-key-file</span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain">/path/to/cert.key </span><span class="token punctuation" style="color:rgb(199, 146, 234)">\</span><span class="token plain"></span></div><div class="token-line" style="color:#bfc7d5"><span class="token plain"> --cookie-secret</span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token punctuation" style="color:rgb(199, 146, 234)">..</span><span class="token plain">. </span><span class="token punctuation" style="color:rgb(199, 146, 234)">\</span><span class="token plain"></span></div><div class="token-line" style="color:#bfc7d5"><span class="token plain"> --cookie-secure</span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain">true </span><span class="token punctuation" style="color:rgb(199, 146, 234)">\</span><span class="token plain"></span></div><div class="token-line" style="color:#bfc7d5"><span class="token plain"> --provider</span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token punctuation" style="color:rgb(199, 146, 234)">..</span><span class="token plain">. </span><span class="token punctuation" style="color:rgb(199, 146, 234)">\</span><span class="token plain"></span></div><div class="token-line" style="color:#bfc7d5"><span class="token plain"> --client-id</span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token punctuation" style="color:rgb(199, 146, 234)">..</span><span class="token plain">. </span><span class="token punctuation" style="color:rgb(199, 146, 234)">\</span><span class="token plain"></span></div><div class="token-line" style="color:#bfc7d5"><span class="token plain"> --client-secret</span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token punctuation" style="color:rgb(199, 146, 234)">..</span><span class="token plain">.</span></div></div></div></div></div></li><li><p>Configure SSL Termination with <a href="http://nginx.org/" target="_blank" rel="noopener noreferrer">Nginx</a> (example config below), Amazon ELB, Google Cloud Platform Load Balancing, or ....</p><p>Because <code>oauth2-proxy</code> listens on <code>127.0.0.1:4180</code> by default, to listen on all interfaces (needed when using an
external load balancer like Amazon ELB or Google Platform Load Balancing) use <code>--http-address=&quot;0.0.0.0:4180&quot;</code> or
<code>--http-address=&quot;http://:4180&quot;</code>.</p><p>Nginx will listen on port <code>443</code> and handle SSL connections while proxying to <code>oauth2-proxy</code> on port <code>4180</code>.
<code>oauth2-proxy</code> will then authenticate requests for an upstream application. The external endpoint for this example
would be <code>https://internal.yourcompany.com/</code>.</p><p>An example Nginx config follows. Note the use of <code>Strict-Transport-Security</code> header to pin requests to SSL
via <a href="http://en.wikipedia.org/wiki/HTTP_Strict_Transport_Security" target="_blank" rel="noopener noreferrer">HSTS</a>:</p><div class="mdxCodeBlock_1XEh"><div class="codeBlockContent_1u-d"><button tabindex="0" type="button" aria-label="Copy code to clipboard" class="copyButton_10dd">Copy</button><div class="prism-code language-undefined codeBlock_3iAC"><div class="codeBlockLines_b7E3" style="color:#bfc7d5;background-color:#292d3e"><div class="token-line" style="color:#bfc7d5"><span class="token plain">server {</span></div><div class="token-line" style="color:#bfc7d5"><span class="token plain"> listen 443 default ssl;</span></div><div class="token-line" style="color:#bfc7d5"><span class="token plain"> server_name internal.yourcompany.com;</span></div><div class="token-line" style="color:#bfc7d5"><span class="token plain"> ssl_certificate /path/to/cert.pem;</span></div><div class="token-line" style="color:#bfc7d5"><span class="token plain"> ssl_certificate_key /path/to/cert.key;</span></div><div class="token-line" style="color:#bfc7d5"><span class="token plain"> add_header Strict-Transport-Security max-age=2592000;</span></div><div class="token-line" style="color:#bfc7d5"><span class="token plain" style="display:inline-block">
</span></div><div class="token-line" style="color:#bfc7d5"><span class="token plain"> location / {</span></div><div class="token-line" style="color:#bfc7d5"><span class="token plain"> proxy_pass http://127.0.0.1:4180;</span></div><div class="token-line" style="color:#bfc7d5"><span class="token plain"> proxy_set_header Host $host;</span></div><div class="token-line" style="color:#bfc7d5"><span class="token plain"> proxy_set_header X-Real-IP $remote_addr;</span></div><div class="token-line" style="color:#bfc7d5"><span class="token plain"> proxy_set_header X-Scheme $scheme;</span></div><div class="token-line" style="color:#bfc7d5"><span class="token plain"> proxy_connect_timeout 1;</span></div><div class="token-line" style="color:#bfc7d5"><span class="token plain"> proxy_send_timeout 30;</span></div><div class="token-line" style="color:#bfc7d5"><span class="token plain"> proxy_read_timeout 30;</span></div><div class="token-line" style="color:#bfc7d5"><span class="token plain"> }</span></div><div class="token-line" style="color:#bfc7d5"><span class="token plain">}</span></div></div></div></div></div><p>The command line to run <code>oauth2-proxy</code> in this configuration would look like this:</p><div class="mdxCodeBlock_1XEh"><div class="codeBlockContent_1u-d"><button tabindex="0" type="button" aria-label="Copy code to clipboard" class="copyButton_10dd">Copy</button><div class="prism-code language-bash codeBlock_3iAC"><div class="codeBlockLines_b7E3" style="color:#bfc7d5;background-color:#292d3e"><div class="token-line" style="color:#bfc7d5"><span class="token plain">./oauth2-proxy </span><span class="token punctuation" style="color:rgb(199, 146, 234)">\</span><span class="token plain"></span></div><div class="token-line" style="color:#bfc7d5"><span class="token plain"> --email-domain</span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token string" style="color:rgb(195, 232, 141)">&quot;yourcompany.com&quot;</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">\</span><span class="token plain"></span></div><div class="token-line" style="color:#bfc7d5"><span class="token plain"> --upstream</span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain">http://127.0.0.1:8080/ </span><span class="token punctuation" style="color:rgb(199, 146, 234)">\</span><span class="token plain"></span></div><div class="token-line" style="color:#bfc7d5"><span class="token plain"> --cookie-secret</span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token punctuation" style="color:rgb(199, 146, 234)">..</span><span class="token plain">. </span><span class="token punctuation" style="color:rgb(199, 146, 234)">\</span><span class="token plain"></span></div><div class="token-line" style="color:#bfc7d5"><span class="token plain"> --cookie-secure</span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain">true </span><span class="token punctuation" style="color:rgb(199, 146, 234)">\</span><span class="token plain"></span></div><div class="token-line" style="color:#bfc7d5"><span class="token plain"> --provider</span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token punctuation" style="color:rgb(199, 146, 234)">..</span><span class="token plain">. </span><span class="token punctuation" style="color:rgb(199, 146, 234)">\</span><span class="token plain"></span></div><div class="token-line" style="color:#bfc7d5"><span class="token plain"> --reverse-proxy</span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain">true </span><span class="token punctuation" style="color:rgb(199, 146, 234)">\</span><span class="token plain"></span></div><div class="token-line" style="color:#bfc7d5"><span class="token plain"> --client-id</span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token punctuation" style="color:rgb(199, 146, 234)">..</span><span class="token plain">. </span><span class="token punctuation" style="color:rgb(199, 146, 234)">\</span><span class="token plain"></span></div><div class="token-line" style="color:#bfc7d5"><span class="token plain"> --client-secret</span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token punctuation" style="color:rgb(199, 146, 234)">..</span><span class="token plain">.</span></div></div></div></div></div></li></ol></div></article><div class="margin-vert--xl"><div class="row"><div class="col"><a href="https://github.com/oauth2-proxy/oauth2-proxy/edit/master/docs/docs/configuration/tls.md" target="_blank" rel="noreferrer noopener"><svg fill="currentColor" height="1.2em" width="1.2em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 40 40" style="margin-right:0.3em;vertical-align:sub"><g><path d="m34.5 11.7l-3 3.1-6.3-6.3 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