1PROBE::NETFILTER.I(3stap) Networking Tapset PROBE::NETFILTER.I(3stap)
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6 probe::netfilter.ip.post_routing - Called immediately before an
7 outgoing IP packet leaves the computer
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10 netfilter.ip.post_routing
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13 family
14 IP address family
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16 saddr
17 A string representing the source IP address
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19 nf_stop
20 Constant used to signify a 'stop' verdict
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22 pf
23 Protocol family -- either “ipv4” or “ipv6”
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25 rst
26 TCP RST flag (if protocol is TCP; ipv4 only)
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28 ipproto_udp
29 Constant used to signify that the packet protocol is UDP
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31 psh
32 TCP PSH flag (if protocol is TCP; ipv4 only)
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34 dport
35 TCP or UDP destination port (ipv4 only)
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37 nf_stolen
38 Constant used to signify a 'stolen' verdict
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40 nf_repeat
41 Constant used to signify a 'repeat' verdict
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43 data_str
44 A string representing the packet buffer contents
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46 data_hex
47 A hexadecimal string representing the packet buffer contents
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49 nf_drop
50 Constant used to signify a 'drop' verdict
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52 outdev_name
53 Name of network device packet will be routed to (if known)
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55 nf_queue
56 Constant used to signify a 'queue' verdict
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58 sport
59 TCP or UDP source port (ipv4 only)
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61 ack
62 TCP ACK flag (if protocol is TCP; ipv4 only)
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64 length
65 The length of the packet buffer contents, in bytes
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67 fin
68 TCP FIN flag (if protocol is TCP; ipv4 only)
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70 daddr
71 A string representing the destination IP address
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73 indev_name
74 Name of network device packet was received on (if known)
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76 protocol
77 Packet protocol from driver (ipv4 only)
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79 syn
80 TCP SYN flag (if protocol is TCP; ipv4 only)
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82 outdev
83 Address of net_device representing output device, 0 if unknown
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85 nf_accept
86 Constant used to signify an 'accept' verdict
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88 ipproto_tcp
89 Constant used to signify that the packet protocol is TCP
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91 indev
92 Address of net_device representing input device, 0 if unknown
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94 urg
95 TCP URG flag (if protocol is TCP; ipv4 only)
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97 iphdr
98 Address of IP header
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101 tapset::netfilter(3stap)
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105SystemTap Tapset Reference May 2021 PROBE::NETFILTER.I(3stap)