Freebsd network

Configfiles

static

• /etc/rc.conf

hostname="free-willy"
ifconfig_re0="inet 10.82.11.100 netmask 255.255.0.0"
defaultrouter="10.82.0.1

dhcp

• /etc/rc.conf

ifconfig_re0="DHCP"

Nameserver

• cat /etc/resolv.conf

search xinux.lan tuxmen.de
nameserver 10.80.0.2
nameserver 10.80.0.3

Tools

TCP ports

• netstat -nl -p tcp

Active Internet connections
Proto Recv-Q Send-Q Local Address             Foreign Address                     (state)
tcp4       0      0 10.82.11.100.8472         10.81.1.11.50928                    ESTABLISHED

show routing table

• netstat -f inet -rn

Routing tables

Internet:
Destination        Gateway            Flags     Netif Expire
default            10.82.0.1          UGS         re0
10.82.0.0/16       link#1             U           re0
10.82.11.100       link#1             UHS         lo0
127.0.0.1          link#2             UH          lo0

Links

• https://www.freebsd.org/doc/handbook/config-network-setup.html