Networking

IPv4 vs IPv6

• 127.0.0.1

• ::1

Networks

• NAT

• SNAT

• DNAT

• VLAN

• LAN

• MAN

• WAN

Paths

• /etc/hosts

• /etc/resolv.conf

• /var/mail

• /etc/network

• /etc/network/interfaces

• /etc/network/if-post-down.d/

• /etc/network/if-pre-up.d/

• /etc/network/if-up.d/

• /etc/if-up-down/

• /etc/wpa_supplicant.conf

Built-in

• ifconfig

• ip

• route

• netstat

• iptables

Additional

• nc

• wireshark

• nmap

• tcpdump