firewall whitelist ips

[chuga2]

hello
i need help i have a vps and i want whitelist the ips
example: i want add this ips 1.2.3.4 / 1.4.5.7 ...... on whitelist

and i want the vps bloking the traffic from any ips not whitelisted

HOW ??

 

[wallstreetwolf]

You have to configure firewall (iptables or ufw etc.), BLOCK all INCOMING traffic from 0/0 and add rules that will allow your ip's to connect

or ofc,
iptables -P INPUT DROP
xD
pw if u want some help

this can be helpfull:

https://goo.gl/RwG4oe