probe::netfilter.ip.pre_routing(3stap)

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

6       probe::netfilter.ip.pre_routing - Called before an IP packet is routed
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SYNOPSIS

9       netfilter.ip.pre_routing
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VALUES

12       urg
13           TCP URG flag (if protocol is TCP; ipv4 only)
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15       psh
16           TCP PSH flag (if protocol is TCP; ipv4 only)
17
18       rst
19           TCP RST flag (if protocol is TCP; ipv4 only)
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21       nf_stolen
22           Constant used to signify a 'stolen' verdict
23
24       outdev
25           Address of net_device representing output device, 0 if unknown
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27       syn
28           TCP SYN flag (if protocol is TCP; ipv4 only)
29
30       data_hex
31           A hexadecimal string representing the packet buffer contents
32
33       protocol
34           Packet protocol from driver (ipv4 only)
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36       nf_drop
37           Constant used to signify a 'drop' verdict
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39       dport
40           TCP or UDP destination port (ipv4 only)
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42       nf_accept
43           Constant used to signify an 'accept' verdict
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45       saddr
46           A string representing the source IP address
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48       indev
49           Address of net_device representing input device, 0 if unknown
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51       outdev_name
52           Name of network device packet will be routed to (if known)
53
54       nf_repeat
55           Constant used to signify a 'repeat' verdict
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57       iphdr
58           Address of IP header
59
60       nf_stop
61           Constant used to signify a 'stop' verdict
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63       indev_name
64           Name of network device packet was received on (if known)
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66       pf
67           Protocol family - either 'ipv4' or 'ipv6'
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69       ipproto_tcp
70           Constant used to signify that the packet protocol is TCP
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72       length
73           The length of the packet buffer contents, in bytes
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75       data_str
76           A string representing the packet buffer contents
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78       family
79           IP address family
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81       ipproto_udp
82           Constant used to signify that the packet protocol is UDP
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84       daddr
85           A string representing the destination IP address
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87       fin
88           TCP FIN flag (if protocol is TCP; ipv4 only)
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90       sport
91           TCP or UDP source port (ipv4 only)
92
93       ack
94           TCP ACK flag (if protocol is TCP; ipv4 only)
95
96       nf_queue
97           Constant used to signify a 'queue' verdict
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NAME

SYNOPSIS

VALUES

SEE ALSO