Quand des modifs sont faites, toujours faire un commit (pour appliquer) et un save (pour la persistance).
Configuration d’une interface :
set interface ethernet ethx address [dhcp|'ip.address/mask']
set interface ethernet ethx description 'description'Management en SSH :
set service ssh port '22'DNS / DHCP config :
set service dhcp-server shared-network-name LAN subnet 192.168.0.0/24 default-router '192.168.0.1'
set service dhcp-server shared-network-name LAN subnet 192.168.0.0/24 name-server '192.168.0.1'
set service dhcp-server shared-network-name LAN subnet 192.168.0.0/24 domain-name 'vyos.net'
set service dhcp-server shared-network-name LAN subnet 192.168.0.0/24 lease '86400'
set service dhcp-server shared-network-name LAN subnet 192.168.0.0/24 range 0 start 192.168.0.9
set service dhcp-server shared-network-name LAN subnet 192.168.0.0/24 range 0 stop '192.168.0.254'
set service dns forwarding cache-size '0'
set service dns forwarding listen-address '192.168.0.1'
set service dns forwarding allow-from '192.168.0.0/24'Règles de NAT :
set firewall name OUTSIDE-IN default-action 'drop'
set firewall name OUTSIDE-IN rule 10 action 'accept'
set firewall name OUTSIDE-IN rule 10 state established 'enable'
set firewall name OUTSIDE-IN rule 10 state related 'enable'
set firewall name OUTSIDE-LOCAL default-action 'drop'
set firewall name OUTSIDE-LOCAL rule 10 action 'accept'
set firewall name OUTSIDE-LOCAL rule 10 state established 'enable'
set firewall name OUTSIDE-LOCAL rule 10 state related 'enable'
set firewall name OUTSIDE-LOCAL rule 20 action 'accept'
set firewall name OUTSIDE-LOCAL rule 20 icmp type-name 'echo-request'
set firewall name OUTSIDE-LOCAL rule 20 protocol 'icmp'
set firewall name OUTSIDE-LOCAL rule 20 state new 'enable'Exemple règle blocage bruteforce sur SSH :
set firewall name OUTSIDE-LOCAL rule 30 action 'drop'
set firewall name OUTSIDE-LOCAL rule 30 destination port '22'
set firewall name OUTSIDE-LOCAL rule 30 protocol 'tcp'
set firewall name OUTSIDE-LOCAL rule 30 recent count '4'
set firewall name OUTSIDE-LOCAL rule 30 recent time '60'
set firewall name OUTSIDE-LOCAL rule 30 state new 'enable'
set firewall name OUTSIDE-LOCAL rule 31 action 'accept'
set firewall name OUTSIDE-LOCAL rule 31 destination port '22'
set firewall name OUTSIDE-LOCAL rule 31 protocol 'tcp'
set firewall name OUTSIDE-LOCAL rule 31 state new 'enable'Appliquer des règles de flux :
Règle de flux entrants :
set interfaces ethernet eth0 firewall in name 'OUTSIDE-IN'
Règle de flux sortants
set interfaces ethernet eth0 firewall local name 'OUTSIDE-LOCAL'