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HTML rendering created 2025-09-06 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
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PROBE::NETFILTER.I(3stap) Networking Tapset PROBE::NETFILTER.I(3stap)
probe::netfilter.ip.local_out - Called on an outgoing IP packet
netfilter.ip.local_out
syn
TCP SYN flag (if protocol is TCP; ipv4 only)
daddr
A string representing the destination IP address
fin
TCP FIN flag (if protocol is TCP; ipv4 only)
saddr
A string representing the source IP address
nf_stolen
Constant used to signify a 'stolen' verdict
ipproto_tcp
Constant used to signify that the packet protocol is TCP
outdev_name
Name of network device packet will be routed to (if known)
nf_queue
Constant used to signify a 'queue' verdict
rst
TCP RST flag (if protocol is TCP; ipv4 only)
urg
TCP URG flag (if protocol is TCP; ipv4 only)
indev_name
Name of network device packet was received on (if known)
dport
TCP or UDP destination port (ipv4 only)
iphdr
Address of IP header
pf
Protocol family -- either “ipv4” or “ipv6”
sport
TCP or UDP source port (ipv4 only)
length
The length of the packet buffer contents, in bytes
ipproto_udp
Constant used to signify that the packet protocol is UDP
psh
TCP PSH flag (if protocol is TCP; ipv4 only)
family
IP address family
nf_drop
Constant used to signify a 'drop' verdict
ack
TCP ACK 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
data_str
A string representing the packet buffer contents
nf_repeat
Constant used to signify a 'repeat' verdict
nf_stop
Constant used to signify a 'stop' verdict
nf_accept
Constant used to signify an 'accept' verdict
data_hex
A hexadecimal string representing the packet buffer contents
outdev
Address of net_device representing output device, 0 if unknown
tapset::netfilter(3stap)
This page is part of the systemtap (a tracing and live-system
analysis tool) project. Information about the project can be
found at ⟨https://sourceware.org/systemtap/⟩. If you have a bug
report for this manual page, send it to systemtap@sourceware.org.
This page was obtained from the project's upstream Git repository
⟨git://sourceware.org/git/systemtap.git⟩ on 2025-08-11. (At that
time, the date of the most recent commit that was found in the
repository was 2025-07-24.) If you discover any rendering
problems in this HTML version of the page, or you believe there is
a better or more up-to-date source for the page, or you have
corrections or improvements to the information in this COLOPHON
(which is not part of the original manual page), send a mail to
man-pages@man7.org
SystemTap Tapset Reference April 2025 PROBE::NETFILTER.I(3stap)
Pages that refer to this page: tapset::netfilter(3stap)
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HTML rendering created 2025-09-06 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
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