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