| 1 | --- |
| 2 | title: OPNsense (syslog) |
| 3 | description: Configure OPNsense to forward logs to your SIEM via remote syslog. |
| 4 | --- |
| 5 | |
| 6 | ## What this connector is |
| 7 | |
| 8 | This connector covers how to configure **OPNsense** to forward logs to an external syslog server. |
| 9 | |
| 10 | Vendor reference: |
| 11 | - https://docs.opnsense.org/manual/settingsmenu.html#logging |
| 12 | |
| 13 | --- |
| 14 | |
| 15 | ## Configuration steps (OPNsense) |
| 16 | |
| 17 | 1) Log into the OPNsense web interface |
| 18 | 2) Navigate to **System → Settings → Logging** |
| 19 | 3) Check **Enable Remote Logging** |
| 20 | 4) Enter the syslog server hostname/IP under **Remote log servers** |
| 21 | - optionally set port (default 514) and protocol (UDP/TCP) |
| 22 | 5) Click **Save** |
| 23 | |
| 24 | --- |
| 25 | |
| 26 | ## Success criteria |
| 27 | |
| 28 | - [ ] Logs appear in your SIEM input |
| 29 | - [ ] Source is attributed to the expected OPNsense device |
| 30 | |
| 31 | --- |
| 32 | |
| 33 | ## Notes |
| 34 | |
| 35 | - Ensure the network path is secure; consider VPN/TLS forwarding when logs traverse untrusted networks. |
| 36 | - Ensure firewall rules allow outbound syslog traffic. |