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 ipproto_tcp
14 Constant used to signify that the packet protocol is TCP
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16 dport
17 TCP or UDP destination port (ipv4 only)
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19 indev_name
20 Name of network device packet was received on (if known)
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22 nf_drop
23 Constant used to signify a 'drop' verdict
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25 fin
26 TCP FIN flag (if protocol is TCP; ipv4 only)
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28 family
29 IP address family
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31 urg
32 TCP URG flag (if protocol is TCP; ipv4 only)
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34 psh
35 TCP PSH flag (if protocol is TCP; ipv4 only)
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37 nf_accept
38 Constant used to signify an 'accept' verdict
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40 nf_repeat
41 Constant used to signify a 'repeat' verdict
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43 length
44 The length of the packet buffer contents, in bytes
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46 nf_queue
47 Constant used to signify a 'queue' verdict
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49 data_hex
50 A hexadecimal string representing the packet buffer contents
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52 sport
53 TCP or UDP source port (ipv4 only)
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55 syn
56 TCP SYN flag (if protocol is TCP; ipv4 only)
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58 outdev_name
59 Name of network device packet will be routed to (if known)
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61 daddr
62 A string representing the destination IP address
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64 outdev
65 Address of net_device representing output device, 0 if unknown
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67 pf
68 Protocol family -- either “ipv4” or “ipv6”
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70 nf_stolen
71 Constant used to signify a 'stolen' verdict
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73 rst
74 TCP RST flag (if protocol is TCP; ipv4 only)
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76 protocol
77 Packet protocol from driver (ipv4 only)
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79 saddr
80 A string representing the source IP address
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82 nf_stop
83 Constant used to signify a 'stop' verdict
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85 indev
86 Address of net_device representing input device, 0 if unknown
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88 iphdr
89 Address of IP header
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91 data_str
92 A string representing the packet buffer contents
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94 ipproto_udp
95 Constant used to signify that the packet protocol is UDP
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97 ack
98 TCP ACK flag (if protocol is TCP; ipv4 only)
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101 tapset::netfilter(3stap)
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105SystemTap Tapset Reference November 2020 PROBE::NETFILTER.I(3stap)