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