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