Package: guard Version: @VERSION@ Architecture: @ARCH@ Maintainer: @MAINTAINER@ Installed-Size: @SIZE@ Depends: systemd Section: net Priority: optional Description: bans addresses that misbehave in the logs, at the firewall Guard watches log files and the systemd journal for failed logins, scans and other misdeeds, counts each address's matches, and bans an address that reaches a watch's limit in a ban list of Housecarl, the firewall manager: the firewall then keeps it from this machine (or from what the list says). One YAML file configures it; presets cover OpenSSH, Postfix, Dovecot, nginx, BIND, Jarl, Housecarl and Steward. . guard isn't started on a first install: see /usr/share/doc/guard/docs/install.md.