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