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New: debug.fail2ban.html.

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Zhang Huangbin 2019-02-28 12:29:01 +08:00
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en_US/troubleshooting/debug.fail2ban.md Normal file
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# Turn on debug logging in Fail2ban
To turn on debug mode in Fail2ban, please set its log level to `debug` in
config file `/etc/fail2ban/fail2ban.local`, then restart fail2ban service.
If file `/etc/fail2ban/fail2ban.local` doesn't exist, use
`/etc/fail2ban/fail2ban.conf` instead.
```
loglevel = DEBUG
```
## Log File
Fail2ban may log to different log files on different Linux/BSD distributions:
- `/var/log/fail2ban.log`
- `/var/log/fail2ban/fail2ban.log`
- `/var/log/messages`
- `/var/log/syslog`

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<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Turn on debug logging in Fail2ban</title>
<link rel="stylesheet" type="text/css" href="./css/markdown.css" />
</head>
<body>
<div id="navigation">
<a href="https://www.iredmail.org" target="_blank">
<img alt="iRedMail web site"
src="./images/logo-iredmail.png"
style="vertical-align: middle; height: 30px;"
/>&nbsp;
<span>iRedMail</span>
</a>
&nbsp;&nbsp;//&nbsp;&nbsp;<a href="./index.html">Document Index</a></div><h1 id="turn-on-debug-logging-in-fail2ban">Turn on debug logging in Fail2ban</h1>
<p>To turn on debug mode in Fail2ban, please set its log level to <code>debug</code> in
config file <code>/etc/fail2ban/fail2ban.local</code>, then restart fail2ban service.
If file <code>/etc/fail2ban/fail2ban.local</code> doesn't exist, use
<code>/etc/fail2ban/fail2ban.conf</code> instead.</p>
<pre><code>loglevel = DEBUG
</code></pre>
<h2 id="log-file">Log File</h2>
<p>Fail2ban may log to different log files on different Linux/BSD distributions:</p>
<ul>
<li><code>/var/log/fail2ban.log</code></li>
<li><code>/var/log/fail2ban/fail2ban.log</code></li>
<li><code>/var/log/messages</code></li>
<li><code>/var/log/syslog</code></li>
</ul><div class="footer">
<p style="text-align: center; color: grey;">All documents are available in <a href="https://bitbucket.org/zhb/iredmail-docs/src">BitBucket repository</a>, and published under <a href="http://creativecommons.org/licenses/by-nd/3.0/us/" target="_blank">Creative Commons</a> license. You can <a href="https://bitbucket.org/zhb/iredmail-docs/get/tip.tar.bz2">download the latest version</a> for offline reading. If you found something wrong, please do <a href="https://www.iredmail.org/contact.html">contact us</a> to fix it.</p>
</div>
<!-- Global site tag (gtag.js) - Google Analytics -->
<script async src="https://www.googletagmanager.com/gtag/js?id=UA-3293801-21"></script>
<script>
window.dataLayer = window.dataLayer || [];
function gtag(){dataLayer.push(arguments);}
gtag('js', new Date());
gtag('config', 'UA-3293801-21');
</script>
</body></html>

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<ul>
<li><a href="debug.amavisd.html">Turn on debug mode in Amavisd and SpamAssassin</a></li>
<li><a href="debug.dovecot.html">Turn on debug mode in Dovecot</a></li>
<li><a href="debug.fail2ban.html">Turn on debug logging in Fail2ban</a></li>
<li><a href="debug.iredapd.html">Turn on debug mode in iRedAPD</a></li>
<li><a href="debug.mysql.html">Log executed SQL commands in MySQL/MariaDB</a></li>
<li><a href="debug.openldap.html">Turn on debug mode in OpenLDAP</a></li>