PROBE::NETFILTER.I(3stap) Networking Tapset PROBE::NETFILTER.I(3stap)NAMEprobe::netfilter.ip.post_routing - Called immediately before an
outgoing IP packet leaves the computer
SYNOPSIS
netfilter.ip.post_routing
VALUES
urg
TCP URG flag (if protocol is TCP; ipv4 only)
protocol
Packet protocol from driver (ipv4 only)
indev
Address of net_device representing input device, 0 if unknown
nf_accept
Constant used to signify an ´accept´ verdict
pf
Protocol family -- either “ipv4” or “ipv6”
ipproto_tcp
Constant used to signify that the packet protocol is TCP
rst
TCP RST flag (if protocol is TCP; ipv4 only)
dport
TCP or UDP destination port (ipv4 only)
nf_queue
Constant used to signify a ´queue´ verdict
nf_stolen
Constant used to signify a ´stolen´ verdict
ipproto_udp
Constant used to signify that the packet protocol is UDP
outdev_name
Name of network device packet will be routed to (if known)
ack
TCP ACK flag (if protocol is TCP; ipv4 only)
fin
TCP FIN flag (if protocol is TCP; ipv4 only)
nf_drop
Constant used to signify a ´drop´ verdict
psh
TCP PSH flag (if protocol is TCP; ipv4 only)
saddr
A string representing the source IP address
nf_stop
Constant used to signify a ´stop´ verdict
length
The length of the packet buffer contents, in bytes
daddr
A string representing the destination IP address
outdev
Address of net_device representing output device, 0 if unknown
syn
TCP SYN flag (if protocol is TCP; ipv4 only)
sport
TCP or UDP source port (ipv4 only)
nf_repeat
Constant used to signify a ´repeat´ verdict
indev_name
Name of network device packet was received on (if known)
family
IP address family
iphdr
Address of IP header
SystemTap Tapset Reference November 2013 PROBE::NETFILTER.I(3stap)