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