.TH DENYHOSTS "8" "February 2015" "DenyHosts version: 2.10" "User Commands" .SH NAME DenyHosts \- version: 2.10 .SH DESCRIPTION .B DenyHosts is a python program that automatically blocks ssh attacks by adding entries to /etc/hosts.deny. .B DenyHosts will also inform system administrators about offending hosts, attacked users and suspicious logins. Usage: /usr/sbin/denyhosts [\-f logfile | \fB\-\-file\fR=\fIlogfile]\fR [ \fB\-c\fR configfile | \fB\-\-config\fR=\fIconfigfile]\fR [\-i | \fB\-\-ignore]\fR [\-n | \fB\-\-noemail]\fR [\-\-purge] [\-\-migrate] [\-\-daemon] [\-\-sync] [\-\-version] .TP \fB\-\-file\fR: The name of log file to parse .HP \fB\-\-config\fR: The configuration file to use, typically /etc/denyhosts.conf .HP \fB\-\-ignore\fR: Ignore last processed offset (start processing from beginning) .HP \fB\-\-noemail\fR: Do not send an email report .HP \fB\-\-unlock\fR: if lockfile exists, remove it and run as normal .HP \fB\-\-migrate\fR: migrate your HOSTS_DENY file so that it is suitable for \fB\-\-purge\fR .HP \fB\-\-purge\fR: expire entries older than your PURGE_DENY setting .HP \fB\-\-purge\-all\fR: expire all entries immediately .HP \fB\-\-purgeip\fR: remove specified IP address from blocked list .HP \fB\-\-daemon\fR: run DenyHosts in daemon mode .HP \fB\-\-foreground\fR: run DenyHosts in foreground mode .HP \fB\-\-sync\fR: run DenyHosts synchronization mode .HP \fB\-\-version\fR: Prints the version of DenyHosts and exits .PP Note: multiple \fB\-\-file\fR args can be processed. If multiple files are provided, \fB\-\-ignore\fR is implied .PP Note: in a Debian system, the default running mode is \fBdaemon mode\fR and the configuration file is \fB/etc/denyhosts.conf\fR .SS "When run in --daemon mode the following flags are ignored:" .HP \fB\-\-file\fR, \fB\-\-purge\fR, \fB\-\-migrate\fR, \fB\-\-sync\fR, \fB\-\-verbose\fR .SH "SEE ALSO" Please refer to http://denyhost.sourceforge.net/faq.html for full documentation. .SH AUTHOR .B DenyHosts was written by Phil Schwartz .PP This manual page was written by Marco Bertorello for the Debian project (but may be used by others).