IP forwarding

net.ipv4.ip_forward

Port forwarding

See also

• sysctl, -a, -p, -w, vm.swappiness, /etc/sysctl.conf, /etc/sysctl.d/, net.ipv4.ip_forward, OOM, Kernel.shmmax, prlimit
• iptables, ufw, firewalld, nftables firewall-cmd, netfilter-persistent, iptables -L, iptables-save, iptables-restore, Netfilter