How to implement standard access list using OSPF Protocol? CCNA 200-301

Acl is set of statement which allow or deny network traffic from one router to other router
In other words in controls the traffic travels between routers or networks
It is implemented on layer 3 security; We can control flow of traffic from one router to another router

Types of ACL

Standard (Standard & Extended) - Not customizable - services
Numbers (Standard & Extended) - More customizable – Customize services