Difference between revisions of "Fail2ban"

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* <code>[[fail2ban-client status]]</code>
 
* <code>[[fail2ban-client status]]</code>
 +
* <code>[[fail2ban-client status sshd]]</code>
  
  [[fail2ban-client status sshd]]
+
  [[fail2ban-client -t]]
 
 
fail2ban-client [[-t]]
 
 
  OK: configuration test is successful
 
  OK: configuration test is successful
  
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== See also ==
 
== See also ==
 +
* {{fail2ban}}
 
* {{IDS}}
 
* {{IDS}}
 
* {{SIEM}}
 
* {{SIEM}}

Latest revision as of 10:15, 13 January 2023

This article is a Draft. Help us to complete it.

wikipedia:fail2ban (2004, Python) is an intrusion prevention software framework that protects computer servers from brute-force attacks

The standard configuration ships with filters for Apache, Lighttpd, sshd, vsftpd, qmail, Postfix and Courier Mail Server.


fail2ban-client -t
OK: configuration test is successful
fail2ban-client set YOURJAILNAMEHERE unbanip IPADDRESSHERE


fail2ban-client -i 
fail2ban> status sshd
Status for the jail: sshd
|- Filter
|  |- Currently failed:	5
|  |- Total failed:	5
|  `- File list:	/var/log/auth.log
`- Actions
   |- Currently banned:	11
   |- Total banned:	11
   `- Banned IP list:	106.13.50.xx 111.229.16.xx 117.57.98.xx 142.44.211.xx 151.177.108.xx 157.230.55.xx 161.35.58.xx 186.206.129.xx 189.209.7.xx 208.68.39.xx 
3.135.129.xx

Binaries[edit]

  • fail2ban-client
  • fail2ban-regex
  • fail2ban-server
  • fail2ban-testcases
  • fail2ban-python


cat /etc/fail2ban/fail2ban.conf | grep -v "#" | grep .
[DEFAULT]
loglevel = INFO
logtarget = /var/log/fail2ban.log
syslogsocket = auto
socket = /var/run/fail2ban/fail2ban.sock
pidfile = /var/run/fail2ban/fail2ban.pid
dbfile = /var/lib/fail2ban/fail2ban.sqlite3
dbpurgeage = 1d
dbmaxmatches = 10
[Definition]
[Thread]

Related terms[edit]

Activities[edit]

See also[edit]

  • https://serverfault.com/a/608976
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