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