53 lines
2.7 KiB
HTML
53 lines
2.7 KiB
HTML
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<title>Upgrade iRedMail from 0.9.1 to 0.9.2</title>
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<link href="./css/markdown.css" rel="stylesheet"></head>
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</head>
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<body>
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<div id="navigation">
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<a href="http://www.iredmail.org" target="_blank">iRedMail web site</a>
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// <a href="./index.html">Document Index</a>
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</div><h1 id="upgrade-iredmail-from-091-to-092">Upgrade iRedMail from 0.9.1 to 0.9.2</h1>
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<div class="toc">
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<ul>
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<li><a href="#upgrade-iredmail-from-091-to-092">Upgrade iRedMail from 0.9.1 to 0.9.2</a><ul>
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<li><a href="#changelog">ChangeLog</a></li>
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<li><a href="#general-all-backends-should-apply-these-steps">General (All backends should apply these steps)</a><ul>
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<li><a href="#optional-update-one-fail2ban-filter-regular-expressio-to-help-catch-dos-attacks-to-smtp-service">[OPTIONAL] Update one Fail2ban filter regular expressio to help catch DoS attacks to SMTP service</a></li>
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</ul>
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</li>
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</ul>
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</li>
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</ul>
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</div>
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<h2 id="changelog">ChangeLog</h2>
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<ul>
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<li>2015-05-16: [OPTIONAL][All backends] Update one Fail2ban filter regular expressio to help catch DoS attacks to SMTP service</li>
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</ul>
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<h2 id="general-all-backends-should-apply-these-steps">General (All backends should apply these steps)</h2>
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<h3 id="optional-update-one-fail2ban-filter-regular-expressio-to-help-catch-dos-attacks-to-smtp-service">[OPTIONAL] Update one Fail2ban filter regular expressio to help catch DoS attacks to SMTP service</h3>
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<ol>
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<li>Open file <code>/etc/fail2ban/filters.d/postfix.iredmail.conf</code> or
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<code>/usr/local/etc/fail2ban/filters.d/postfix.iredmail.conf</code> (on FreeBSD), find
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below line under <code>[Definition]</code> section:</li>
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</ol>
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<pre><code> lost connection after AUTH from (.*)\[<HOST>\]
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</code></pre>
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<p>Update above line to below one:</p>
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<pre><code> lost connection after (AUTH|UNKNOWN|EHLO) from (.*)\[<HOST>\]
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</code></pre>
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<p>Restarting Fail2ban service is required.</p><p style="text-align: center; color: grey;">Document published under a <a href="http://creativecommons.org/licenses/by-nd/3.0/us/" target="_blank">CC BY-ND 3.0</a> license. If you found something wrong, please do <a href="http://www.iredmail.org/contact.html">contact us</a> to fix it.<script>
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(function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
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(i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
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m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
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})(window,document,'script','//www.google-analytics.com/analytics.js','ga');
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ga('create', 'UA-3293801-21', 'auto');
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ga('send', 'pageview');
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</script>
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</body></html>
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