What are the best pfSense plugins?

There are several excellent packages and plugins available for pfSense which can greatly enhance its functionality and usability. The best ones for you will depend on your specific needs, but here are some popular and useful packages:

  1. pfBlockerNG: This package provides powerful IP and DNS filtering capabilities, allowing you to block or allow traffic based on geographical location or threat level.
  2. Snort/Suricata: These are Intrusion Detection System (IDS) and Intrusion Prevention System (IPS) tools. They monitor network traffic for malicious activity or policy violations.
  3. OpenVPN Client Export: This is a very useful tool if you’re using OpenVPN. It provides a simple way to export pre-configured OpenVPN client installation files.
  4. ACME: This package allows you to easily issue and renew free SSL/TLS certificates from Let’s Encrypt, which can be used to secure web interfaces, VPNs, and other services.
  5. Squid and SquidGuard: Squid is a powerful caching and forwarding web proxy. SquidGuard is a URL redirector used to use blacklists with the proxy. Together, they can help you manage and control web traffic, boost performance, and filter content.
  6. HAProxy: This is an advanced load balancer and proxy server. It can distribute network traffic among several servers, improving performance and reliability.
  7. Zabbix Agent: Zabbix is an open-source monitoring tool. The Zabbix Agent package allows pfSense to send detailed performance data to a Zabbix server for monitoring and alerting.
  8. Service_Watchdog: This package monitors specified services and restarts them if they’re found to be not running. It’s handy for ensuring critical services remain active.
  9. ntopng: ntopng is a network traffic probe that shows network usage in a way similar to what top does for processes. It can provide insights into traffic patterns and bandwidth usage.
  10. Telegraf: It is an agent for collecting, processing, aggregating, and writing metrics. It supports outputs to a variety of data handlers like InfluxDB, which can be used with visualization tools like Grafana for detailed metrics analysis.

Remember, before installing any new packages, consider whether they are necessary for your environment. More packages mean more potential security vulnerabilities and more system resources being used. Always keep your packages updated to the latest version to receive important security patches and bug fixes.