Routed
A network routing daemon that is invoked at boot time to manage the network routing tables. The
routing daemon uses a variant of the Xerox NS Routing Information Protocol (RIP) in maintaining up to date kernel routing table entries.
routed used a generalized protocol capable of use with multiple address types,
but is currently used only for Internet routing within a cluster of networks.
In normal operation, routed listens on the udp 4 socket for the route service
for routing information packets. If the host is an internetwork router, it
periodically supplies copies of its routing tables to any directly connected hosts
and networks.
routed can be a security problem. There is no real authentication of RIP
packets.