diff --git a/resources/chaosknoten/grafana/docker_compose/prometheus_alerts.rules.yaml b/resources/chaosknoten/grafana/docker_compose/prometheus_alerts.rules.yaml
index 8c8f374..3d9d7a1 100644
--- a/resources/chaosknoten/grafana/docker_compose/prometheus_alerts.rules.yaml
+++ b/resources/chaosknoten/grafana/docker_compose/prometheus_alerts.rules.yaml
@@ -79,14 +79,26 @@ groups:
         annotations:
           summary: Host unusual network throughput out (instance {{ $labels.instance }})
           description: "Host network interfaces are probably sending too much data (> 100 MB/s)\n  VALUE = {{ $value }}"
+      # General network receive error alerts.
+      # Excluding: OPNsense hosts
       - alert: HostNetworkReceiveErrors
-        expr: (rate(node_network_receive_errs_total[2m]) / rate(node_network_receive_packets_total[2m]) > 0.01) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}
+        expr: (rate(node_network_receive_errs_total[2m]) / rate(node_network_receive_packets_total[2m]) > 0.01) * on(instance) group_left (nodename) node_uname_info{nodename=~".+", nodename!="OPNsense"}
         for: 2m
         labels:
           severity: warning
         annotations:
           summary: Host Network Receive Errors (instance {{ $labels.instance }})
           description: "Host {{ $labels.instance }} interface {{ $labels.device }} has encountered {{ printf \"%.0f\" $value }} receive errors in the last two minutes.\n  VALUE = {{ $value }}"
+      # OPNsense network receive error alerts.
+      # This is the same as the regular network receive error alerts, but excluding the WireGuard interfaces as they like to throw errors, but which aren't of importance.
+      - alert: OPNsenseHostNetworkReceiveErrors
+        expr: (rate(node_network_receive_errs_total{device!~"wg.+"}[2m]) / rate(node_network_receive_packets_total{device!~"wg.+"}[2m]) > 0.01) * on(instance) group_left (nodename) node_uname_info{nodename="OPNsense"}
+        for: 2m
+        labels:
+          severity: warning
+        annotations:
+          summary: OPNsense host Network Receive Errors (instance {{ $labels.instance }})
+          description: "Host {{ $labels.instance }} interface {{ $labels.device }} has encountered {{ printf \"%.0f\" $value }} receive errors in the last two minutes.\n  VALUE = {{ $value }}"
       - alert: HostNetworkTransmitErrors
         expr: (rate(node_network_transmit_errs_total[2m]) / rate(node_network_transmit_packets_total[2m]) > 0.01) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}
         for: 2m