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 syn
14 TCP SYN flag (if protocol is TCP; ipv4 only)
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16 nf_queue
17 Constant used to signify a 'queue' verdict
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19 outdev
20 Address of net_device representing output device, 0 if unknown
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22 outdev_name
23 Name of network device packet will be routed to (if known)
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25 indev_name
26 Name of network device packet was received on (if known)
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28 indev
29 Address of net_device representing input device, 0 if unknown
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31 nf_stolen
32 Constant used to signify a 'stolen' verdict
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34 nf_drop
35 Constant used to signify a 'drop' verdict
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37 pf
38 Protocol family -- either “ipv4” or “ipv6”
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40 rst
41 TCP RST flag (if protocol is TCP; ipv4 only)
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43 family
44 IP address family
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46 length
47 The length of the packet buffer contents, in bytes
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49 fin
50 TCP FIN flag (if protocol is TCP; ipv4 only)
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52 dport
53 TCP or UDP destination port (ipv4 only)
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55 protocol
56 Packet protocol from driver (ipv4 only)
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58 ipproto_udp
59 Constant used to signify that the packet protocol is UDP
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61 nf_repeat
62 Constant used to signify a 'repeat' verdict
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64 ack
65 TCP ACK flag (if protocol is TCP; ipv4 only)
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67 sport
68 TCP or UDP source port (ipv4 only)
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70 nf_accept
71 Constant used to signify an 'accept' verdict
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73 daddr
74 A string representing the destination IP address
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76 ipproto_tcp
77 Constant used to signify that the packet protocol is TCP
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79 iphdr
80 Address of IP header
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82 saddr
83 A string representing the source IP address
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85 nf_stop
86 Constant used to signify a 'stop' verdict
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88 data_str
89 A string representing the packet buffer contents
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91 urg
92 TCP URG flag (if protocol is TCP; ipv4 only)
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94 psh
95 TCP PSH flag (if protocol is TCP; ipv4 only)
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97 data_hex
98 A hexadecimal string representing the packet buffer contents
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101 tapset::netfilter(3stap)
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105SystemTap Tapset Reference June 2018 PROBE::NETFILTER.I(3stap)