Scroll to navigation

PROBE::NETFILTER.I(3stap) Networking Tapset PROBE::NETFILTER.I(3stap)

NAME

probe::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

SEE ALSO0

tapset::netfilter(3stap)

June 2018 SystemTap Tapset Reference