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