i am new on Ubuntu. i want to make a gateway. i have some 25 systems and switch but i don't have any server. i want to setup a system as a gateway system and want to make a firewall. i want that every user whenever access Internet it should be through firewall and want to assign separate speed to every user of accessing Internet. please somebody tell me how can i make this proper way?


Using Nat is the option for you it will translate the address from your internal LAN to the outside WAN. Try following the tutorial below.

Configure NAT

Here is another link that will be helpful for you

Official Documentation to configure Gateway

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