System Monitoring¶
pfSense® software provides a wealth of information about the state of the firewall, its services, traffic flowing through the firewall, and log data.
Logs¶
Logs in pfSense software contain recent events and messages from daemons. These messages can be stored locally on a limited basis, or forwarded to a central logging server for long-term storage, better reporting, alerting, and so on.
- System Logs
- Firewall Logs
- Raw Filter Log Format
- Gateway Logs
- NTP Logs
- Package Logs
- PPP Logs
- Resolver Logs
- Routing Logs
- Log Settings
- Adjusting the Size of Log Files
- Copying Logs to a Remote Host with Syslog
- Working with Binary Circular Logs (clog)
- Troubleshooting “login on console as root” Log Messages
- Troubleshooting “promiscuous mode enabled” Log Messages
Status Information¶
These articles cover various ways to check the status of services or features of the firewall, or the firewall itself. They also cover simple network diagnostic tests.
- Show States
- Show Source Tracking
- States Summary
- Packet Filter Information
- Gateway Status
- Using an Alternate Monitor IP Address for Gateway Monitoring
- CARP Status
- Interface Status
- Viewing Active Network Sockets
- Services Status and Control
- SMART Status
- System Activity
- ARP Table
- Troubleshooting ARP Move Log Messages
- NDP Table
- Hardware Monitoring Support
- Performing a Packet Capture
- Ping Host
- Test Port
- Traceroute
Traffic Monitoring¶
These articles cover monitoring traffic on interfaces as well as using additional packages for more detailed monitoring of user throughput/usage.