source_ip | string | “source.ip” | Network field holding the source IP. |
source_port | string | “source.port” | Network field holding the source port. |
destination_ip | string | “destination.ip” | Network field holding the destination IP. |
destination_port | string | “destination.port” | Network field holding the destination port. |
iana_number | string | “network.iana_number” | Transport protocol’s IANA number. |
transport | string | “network.transport” | TLS transport mode of the connection. |
icmp_type | string | “icmp.type” | Network field holding the ICMP type. |
icmp_code | string | “icmp.code” | Network field holding the ICMP code. |