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