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