diff --git a/xml/security_ssh.xml b/xml/security_ssh.xml index fe59650a80..88ad173886 100644 --- a/xml/security_ssh.xml +++ b/xml/security_ssh.xml @@ -1802,4 +1802,25 @@ cd path Change remote directory to 'path' + + Stopping SSH Brute Force Attacks with Fail2Ban + An SSH brute force attack involves repeat trials of username and + password combinations until the attacker gains access to the remote server. + The attacker uses automated tools that tests various username and password combinations + effectively to compromise a server. + + You can use Fail2Bansoftware to limit intrusion attempts. + Fail2Ban scans the system logs to detect failed connections + and trigger an action, such as blocking the IP at the firewall level. +Fail2Banis used only to protect services that require a username and password authentication. + + What is <emphasis>Fail2Ban</emphasis>? + Fail2Ban scans the log files in /var/log/apache/error_log + and bans the IPs that indicate malicious signs, such as too many password attempts etc. + You can then use Fail2Ban update firewall rules to reject the IP addresses + for a specified amount of time. + Fail2Bancomes with filters for various services, such as Apache,SSH,Courier etc. + You can use Fail2Ban to minimize the rate of incorrect authentications attempts. + +