probe::netfilter.ip.pre_routing
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Name

probe::netfilter.ip.pre_routing — Called before an IP packet is routed

Synopsis

netfilter.ip.pre_routing

Values

indev

Address of net_device representing input device, 0 if unknown

outdev

Address of net_device representing output device, 0 if unknown

outdev_name

Name of network device packet will be routed to (if known)

sport

TCP or UDP source port (ipv4 only)

protocol

Packet protocol from driver (ipv4 only)

rst

TCP RST flag (if protocol is TCP; ipv4 only)

saddr

A string representing the source IP address

ipproto_tcp

Constant used to signify that the packet protocol is TCP

nf_drop

Constant used to signify a 'drop' verdict

daddr

A string representing the destination IP address

nf_queue

Constant used to signify a 'queue' verdict

psh

TCP PSH flag (if protocol is TCP; ipv4 only)

pf

Protocol family - either 'ipv4' or 'ipv6'

indev_name

Name of network device packet was received on (if known)

ack

TCP ACK flag (if protocol is TCP; ipv4 only)

nf_repeat

Constant used to signify a 'repeat' verdict

fin

TCP FIN flag (if protocol is TCP; ipv4 only)

nf_stolen

Constant used to signify a 'stolen' verdict

iphdr

Address of IP header

family

IP address family

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)

urg

TCP URG flag (if protocol is TCP; ipv4 only)

nf_accept

Constant used to signify an 'accept' verdict

length

The length of the packet buffer contents, in bytes

nf_stop

Constant used to signify a 'stop' verdict

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