Re: [bitfolk] SSH access to Xen Shell will have to be tightened up

On 02/03/2018 11:26, Roger Light wrote: Also see https://github.com/fail2ban/fail2ban/blob/master/config/filter.d/recidive.c… I've included the filter I use (I think I edited it) below which I call "repeatoffender" in my setup. Thanks Gavin # From https://github.com/fail2ban/fail2ban/blob/master/config/filter.d/recidive.c… # Fail2Ban filter for repeat bans # # This filter monitors the fail2ban log file, and enables you to add long # time bans for ip addresses that get banned by fail2ban multiple times. # # Reasons to use this: block very persistent attackers for a longer time, # stop receiving email notifications about the same attacker over and # over again. # # This jail is only useful if you set the 'findtime' and 'bantime' parameters # in jail.conf to a higher value than the other jails. Also, this jail has its # drawbacks, namely in that it works only with iptables, or if you use a # different blocking mechanism for this jail versus others (e.g. hostsdeny # for most jails, and shorewall for this one). [INCLUDES] # Read common prefixes. If any customizations available -- read them from # common.local before = common.conf [Definition] _daemon = fail2ban\.actions\s* # The name of the jail that this filter is used for. In jail.conf, name the # jail using this filter 'recidive', or change this line! _jailname = repeatoffender failregex = ^(%(__prefix_line)s| %(_daemon)s%(__pid_re)s?:\s+)NOTICE\s+\[(?!%(_jailname)s\])(?:.*)\]\s+Ban\s+<HOST>\s*$ ignoreregex = [Init] journalmatch = _SYSTEMD_UNIT=fail2ban.service PRIORITY=5 # Author: Tom Hendrikx, modifications by Amir Caspi