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