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