Regras Input, Output e Forward Iptables

willianeo
(usa Debian)

Enviado em 13/08/2015 - 08:00h

### Deleta as regras existentes

iptables -F INPUT

iptables -F OUTPUT

iptables -F FORWARD

iptables -t nat -F

iptables -t mangle -F

### Carrega modulos do iptables

modprobe ip_nat_ftp

modprobe ip_conntrack

modprobe ip_conntrack_ftp

modprobe ip_conntrack_pptp

modprobe ip_nat_pptp

### Permite conexões estabelecidas

iptables -A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT

iptables -A OUTPUT -m state --state RELATED,ESTABLISHED -j ACCEPT

## Permitem conexões SSH de entrada

# Interface eth0

iptables -A INPUT -i eth0 -p tcp --dport 22 -m state --state NEW,ESTABLISHED -j ACCEPT

iptables -A OUTPUT -o eth0 -p tcp --sport 22 -m state --state ESTABLISHED -j ACCEPT

## Permitem conexões ftp

iptables -A INPUT -p tcp -m tcp --dport 21 -j ACCEPT

iptables -A INPUT -p tcp -m tcp --dport 20 -j ACCEPT

iptables -A INPUT -p ALL -i eth0 -j ACCEPT

iptables -A OUTPUT -p ALL -o eth0 -j ACCEPT

 

iptables -A INPUT -p ALL -i eth0 -j ACCEPT

iptables -A OUTPUT -p ALL -o eth0 -j ACCEPT

 

sergeimartao
(usa Linux Mint)

Enviado em 13/08/2015 - 09:12h

iptables -A INPUT -p ALL -i eth0 -j ACCEPT

iptables -A OUTPUT -p ALL -o eth0 -j ACCEPT

 

iptables -A INPUT -p ALL -i eth0 -j ACCEPT 

iptables -A OUTPUT -p ALL -o eth0 -j ACCEPT 

willianeo
(usa Debian)

Enviado em 13/08/2015 - 09:44h

iptables -A INPUT -p ALL -i eth0 -j ACCEPT

iptables -A OUTPUT -p ALL -o eth0 -j ACCEPT

 

iptables -A INPUT -p ALL -i eth0 -j ACCEPT 

iptables -A OUTPUT -p ALL -o eth0 -j ACCEPT 

sergeimartao
(usa Linux Mint)

Enviado em 13/08/2015 - 12:00h

iptables -A INPUT -p tcp -i eth0 -m multiport --dports 1025:65535 -j ACCEPT