probe::netfilter.ip.pre_routing — Called before an IP packet is routed
netfilter.ip.pre_routing
pshTCP PSH flag (if protocol is TCP; ipv4 only)
nf_queueConstant used to signify a 'queue' verdict
data_hexA hexadecimal string representing the packet buffer contents
sportTCP or UDP source port (ipv4 only)
protocolPacket protocol from driver (ipv4 only)
dportTCP or UDP destination port (ipv4 only)
finTCP FIN flag (if protocol is TCP; ipv4 only)
indev_nameName of network device packet was received on (if known)
data_strA string representing the packet buffer contents
rstTCP RST flag (if protocol is TCP; ipv4 only)
nf_repeatConstant used to signify a 'repeat' verdict
nf_dropConstant used to signify a 'drop' verdict
ipproto_udpConstant used to signify that the packet protocol is UDP
outdev_nameName of network device packet will be routed to (if known)
outdevAddress of net_device representing output device, 0 if unknown
nf_stopConstant used to signify a 'stop' verdict
pfProtocol family - either 'ipv4' or 'ipv6'
indevAddress of net_device representing input device, 0 if unknown
daddrA string representing the destination IP address
synTCP SYN flag (if protocol is TCP; ipv4 only)
saddrA string representing the source IP address
ipproto_tcpConstant used to signify that the packet protocol is TCP
nf_stolenConstant used to signify a 'stolen' verdict
lengthThe length of the packet buffer contents, in bytes
urgTCP URG flag (if protocol is TCP; ipv4 only)
familyIP address family
ackTCP ACK flag (if protocol is TCP; ipv4 only)
nf_acceptConstant used to signify an 'accept' verdict
iphdrAddress of IP header