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