1PROBE::NETFILTER.I(3stap)      Networking Tapset     PROBE::NETFILTER.I(3stap)
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NAME

6       probe::netfilter.ip.forward - Called on an incoming IP packet addressed
7       to some other computer
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SYNOPSIS

10       netfilter.ip.forward
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VALUES

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

101       tapset::netfilter(3stap)
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105SystemTap Tapset Reference         May 2019          PROBE::NETFILTER.I(3stap)
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