In order to use a linux host as a router/firewall, you first need to enable IP Forwarding:
# sysctl -w net.ipv4.ip_forward=1To make the change permanent insert or edit the following line in edit /etc/sysctl.conf:
net.ipv4.ip_forward = 1In order to use a linux host as a router/firewall, you first need to enable IP Forwarding:
# sysctl -w net.ipv4.ip_forward=1To make the change permanent insert or edit the following line in edit /etc/sysctl.conf:
net.ipv4.ip_forward = 1