probe::netfilter.ip.pre_routing — Called before an IP packet is routed
netfilter.ip.pre_routing
fin
TCP FIN flag (if protocol is TCP; ipv4 only)
nf_queue
Constant used to signify a 'queue' verdict
syn
TCP SYN flag (if protocol is TCP; ipv4 only)
nf_stop
Constant used to signify a 'stop' verdict
outdev
Address of net_device representing output device, 0 if unknown
length
The length of the packet buffer contents, in bytes
indev_name
Name of network device packet was received on (if known)
sport
TCP or UDP source port (ipv4 only)
protocol
Packet protocol from driver (ipv4 only)
psh
TCP PSH flag (if protocol is TCP; ipv4 only)
nf_drop
Constant used to signify a 'drop' verdict
nf_stolen
Constant used to signify a 'stolen' verdict
dport
TCP or UDP destination port (ipv4 only)
nf_accept
Constant used to signify an 'accept' verdict
rst
TCP RST flag (if protocol is TCP; ipv4 only)
nf_repeat
Constant used to signify a 'repeat' verdict
outdev_name
Name of network device packet will be routed to (if known)
urg
TCP URG flag (if protocol is TCP; ipv4 only)
indev
Address of net_device representing input device, 0 if unknown
daddr
A string representing the destination IP address
saddr
A string representing the source IP address
pf
Protocol family - either 'ipv4' or 'ipv6'
family
IP address family
ipproto_tcp
Constant used to signify that the packet protocol is TCP
ack
TCP ACK flag (if protocol is TCP; ipv4 only)
iphdr
Address of IP header
ipproto_udp
Constant used to signify that the packet protocol is UDP