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       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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SEE ALSO

101       tapset::netfilter(3stap)
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105SystemTap Tapset Reference         June 2018         PROBE::NETFILTER.I(3stap)
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