RackBan is a little dated (and so is the Rackspace API) but it works and it’s straight forward enough to integrate. Three of the files are for Fail2ban, and one of the files is a tool called RackBan. Fail2ban Configurationįor this basic configuration you’ll need to create 4 files. You now have Fail2Ban running on your Ubuntu server. Loaded: loaded (/lib/systemd/system/rvice enabled vendor preset:Īctive: active (running) since Sat 21:05:29 BST 1s ago You can verify it by checking the status of the service: sudo systemctl status fail2ban Once the installation is completed, the Fail2ban service will start automatically. If you don’t already have Fail2ban installed on your Web server, you can install it easily by running: sudo apt update You can enable a variety of default patterns, (called “filters”), for commonly installed applications, as well as a number of actions, (“ban” methods). If this number reaches a certain predefined threshold, Fail2ban will “ban” the offending IP address for a predetermined time. These patterns can range in complexity from a simple string match like “Error: Permission Denied” or something more complicated involving some clever regex voodoo.Īs Fail2ban monitors the log files, it will keep a record of the number of times a certain pattern has been matched. The basic premise is that Fail2ban can monitor common application or service logs for malicious patterns. When configured properly, Fail2ban can be used to protect your servers from brute-force or other automated attacks.
It’s a free software tool that comes typically bundled with Ubuntu in the default apt repositories. If you’re not already familiar here’s a brief intro about Fail2ban. This guide assumes your web server is a typical Ubuntu installation. If you’re interested in hardening your WordPress installation and your infrastructure stack includes a Rackspace Cloud Server behind a Rackspace Cloud Load Balancer, you might find this guide useful.
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