VPNRouting

Esta cofiguração permite acessar tunel vpn estabelecido no linux à partir duma VM Windows com interface bridge.

########## NO LINUX ##########

# backup do sysctl.conf
cp -Rfa /etc/sysctl.conf{,.ori}

# habilitando ip forward no sysctl.conf
sed -i 's/.*net.ipv4.ip_forward.*/net.ipv4.ip_forward=1/g' /etc/sysctl.conf

# Carregando novos parametros no kernel
sysctl --load /etc/sysctl.conf

# Validando
sysctl -a|grep net.ipv4.ip_forward

# Regras iptables (*** atenção p/ interface de entrada, no meu caso usei a bridge0 ***)

iptables -t nat -A POSTROUTING --out-interface tun0 -j MASQUERADE
iptables -A FORWARD --in-interface bridge0 -j ACCEPT

########## NO WINDOWS ##########

# adição de rota permanente (*** atencao p/ o endereço ip de saída***)
route add 200.238.83.0 mask 255.255.255.0 10.81.1.83 -P