Movatterモバイル変換

probe::netfilter.ip.forward(3stap) — Linux manual page

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

NAME        top

       probe::netfilter.ip.forward - Called on an incoming IP packet       addressed to some other computer

SYNOPSIS        top

       netfilter.ip.forward

VALUES        top

dport           TCP or UDP destination port (ipv4 only)pf           Protocol family -- either “ipv4” or “ipv6”iphdr           Address of IP headersport           TCP or UDP source port (ipv4 only)indev_name           Name of network device packet was received on (if known)outdev_name           Name of network device packet will be routed to (if known)nf_stolen           Constant used to signify a 'stolen' verdictipproto_tcp           Constant used to signify that the packet protocol is TCPurg           TCP URG flag (if protocol is TCP; ipv4 only)nf_queue           Constant used to signify a 'queue' verdictrst           TCP RST flag (if protocol is TCP; ipv4 only)syn           TCP SYN flag (if protocol is TCP; ipv4 only)daddr           A string representing the destination IP addressfin           TCP FIN flag (if protocol is TCP; ipv4 only)saddr           A string representing the source IP addressdata_hex           A hexadecimal string representing the packet buffer contentsnf_accept           Constant used to signify an 'accept' verdictnf_stop           Constant used to signify a 'stop' verdictoutdev           Address of net_device representing output device, 0 if unknownack           TCP ACK flag (if protocol is TCP; ipv4 only)indev           Address of net_device representing input device, 0 if unknowndata_str           A string representing the packet buffer contentsnf_repeat           Constant used to signify a 'repeat' verdictprotocol           Packet protocol from driver (ipv4 only)family           IP address familynf_drop           Constant used to signify a 'drop' verdictlength           The length of the packet buffer contents, in bytesipproto_udp           Constant used to signify that the packet protocol is UDPpsh           TCP PSH flag (if protocol is TCP; ipv4 only)

SEE ALSO        top

tapset::netfilter(3stap)

COLOPHON        top

       This page is part of thesystemtap (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 isnot part of the original manual page), send a mail to       man-pages@man7.orgSystemTap Tapset Reference      April 2025PROBE::NETFILTER.I(3stap)

Pages that refer to this page:tapset::netfilter(3stap)

HTML rendering created 2025-09-06 byMichael Kerrisk, author ofThe Linux Programming Interface. For details of in-depthLinux/UNIX system programming training courses that I teach, lookhere. Hosting byjambit GmbH.