So if we use this internet directly without knowing it’s the source or to be more specific without knowing its content what it contains, whom it is for, what this packet will do once it is on our local network, it becomes a high risk and each device on the network get vulnerable to cyber-attack.

The ISP’s sends us the internet directly as they received, meaning along with their internet comes to every type of data package from authenticated as well as the unauthenticated source. In this interconnection of such a huge network, It becomes an utmost priority to secure our device as we don’t know from where the data is coming and for whom it is coming. So there are a lot of many and unknown devices out there which we don’t know what it is used for. The internet is a huge connection of devices globally, that is whatever devices are there on this planet it is connected to the internet.

Which of the following is a disadvantage of Circuit-level gateway firewalls? Explanation: Circuit-level gateway firewalls don’t filter packets individually which gives the attacker a chance to take access in the network.We access the internet at home, schools, colleges, or offices, these internet comes to us through internet service providers. Therefore the moment your network – be it small or large – connects to the internet, it gets exposed to all kinds of security issues, unless it is protected by what is known as a firewall, which is responsible for filtering traffic which flows into (and goes out of) your network, thereby greatly reducing the impact of … Which of the following is a disadvantage of circuit level gateway firewalls? Which is responsible for filtering the traffic flowing in and out of a network based on a set of security rules?

Let us give you a brief introduction about each of these. Packet Filters, Stateful Inspection and Proxy Server Firewalls.

There are three basic types of firewalls that are used by companies to protect their data & devices to keep destructive elements out of network, viz.

Circuit level firewalls