1PROBE::NETFILTER.I(3stap) Networking Tapset PROBE::NETFILTER.I(3stap)
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6 probe::netfilter.ip.forward - Called on an incoming IP packet addressed
7 to some other computer
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10 netfilter.ip.forward
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13 fin
14 TCP FIN flag (if protocol is TCP; ipv4 only)
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16 length
17 The length of the packet buffer contents, in bytes
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19 nf_queue
20 Constant used to signify a 'queue' verdict
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22 data_str
23 A string representing the packet buffer contents
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25 saddr
26 A string representing the source IP address
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28 indev_name
29 Name of network device packet was received on (if known)
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31 nf_drop
32 Constant used to signify a 'drop' verdict
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34 syn
35 TCP SYN flag (if protocol is TCP; ipv4 only)
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37 pf
38 Protocol family -- either “ipv4” or “ipv6”
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40 outdev_name
41 Name of network device packet will be routed to (if known)
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43 psh
44 TCP PSH flag (if protocol is TCP; ipv4 only)
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46 daddr
47 A string representing the destination IP address
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49 nf_stop
50 Constant used to signify a 'stop' verdict
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52 protocol
53 Packet protocol from driver (ipv4 only)
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55 urg
56 TCP URG flag (if protocol is TCP; ipv4 only)
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58 dport
59 TCP or UDP destination port (ipv4 only)
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61 family
62 IP address family
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64 rst
65 TCP RST flag (if protocol is TCP; ipv4 only)
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67 ack
68 TCP ACK flag (if protocol is TCP; ipv4 only)
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70 nf_stolen
71 Constant used to signify a 'stolen' verdict
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73 ipproto_udp
74 Constant used to signify that the packet protocol is UDP
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76 nf_repeat
77 Constant used to signify a 'repeat' verdict
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79 ipproto_tcp
80 Constant used to signify that the packet protocol is TCP
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82 iphdr
83 Address of IP header
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85 indev
86 Address of net_device representing input device, 0 if unknown
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88 data_hex
89 A hexadecimal string representing the packet buffer contents
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91 nf_accept
92 Constant used to signify an 'accept' verdict
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94 sport
95 TCP or UDP source port (ipv4 only)
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97 outdev
98 Address of net_device representing output device, 0 if unknown
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101 tapset::netfilter(3stap)
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105SystemTap Tapset Reference November 2022 PROBE::NETFILTER.I(3stap)