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 indev
14 Address of net_device representing input device, 0 if unknown
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16 nf_stolen
17 Constant used to signify a 'stolen' verdict
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19 ipproto_udp
20 Constant used to signify that the packet protocol is UDP
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22 pf
23 Protocol family -- either “ipv4” or “ipv6”
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25 family
26 IP address family
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28 dport
29 TCP or UDP destination port (ipv4 only)
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31 indev_name
32 Name of network device packet was received on (if known)
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34 nf_stop
35 Constant used to signify a 'stop' verdict
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37 urg
38 TCP URG flag (if protocol is TCP; ipv4 only)
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40 outdev
41 Address of net_device representing output device, 0 if unknown
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43 saddr
44 A string representing the source IP address
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46 syn
47 TCP SYN flag (if protocol is TCP; ipv4 only)
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49 protocol
50 Packet protocol from driver (ipv4 only)
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52 fin
53 TCP FIN flag (if protocol is TCP; ipv4 only)
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55 ack
56 TCP ACK flag (if protocol is TCP; ipv4 only)
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58 ipproto_tcp
59 Constant used to signify that the packet protocol is TCP
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61 psh
62 TCP PSH flag (if protocol is TCP; ipv4 only)
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64 nf_repeat
65 Constant used to signify a 'repeat' verdict
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67 sport
68 TCP or UDP source port (ipv4 only)
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70 nf_queue
71 Constant used to signify a 'queue' verdict
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73 length
74 The length of the packet buffer contents, in bytes
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76 nf_accept
77 Constant used to signify an 'accept' verdict
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79 iphdr
80 Address of IP header
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82 nf_drop
83 Constant used to signify a 'drop' verdict
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85 rst
86 TCP RST flag (if protocol is TCP; ipv4 only)
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88 data_str
89 A string representing the packet buffer contents
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91 daddr
92 A string representing the destination IP address
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94 outdev_name
95 Name of network device packet will be routed to (if known)
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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 November 2019 PROBE::NETFILTER.I(3stap)