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Question:
The process of blocking offensive content from emails or websites is known as content filtering. Content filtering services are offered by several routers and firewalls. Websites are frequently blocked using a reference service, and filters can be used to check emails for content that is forbidden. Ports can be disabled to prevent traffic from entering the network. It does not filter for content. With VPN access, a user can remotely access the network just as if they were physically present in the office. When you want traffic on a certain port to flow to a specific network device, port forwarding or mapping is utilized. Security cameras and gaming often use it.