Firewalls

[kumar1]

There are three types of firewall like as a Packet filters, Stateful inspection, Proxys.

[lolipop99]

Packet filters, Stateful inspection, Proxys.

[alpa]

Generally the firewall has two network interfaces: one for the external side of the network, one for the internal side. Its purpose is to control what traffic is allowed to traverse from one side to the other. As the most basic level, firewalls can block traffic intended for particular IP addresses or server ports.

[manoharparakh]

The five types of firewall are:

Packet filtering firewall
Circuit-level gateway
Stateful inspection firewall
Application-level gateway (aka proxy firewall)
Next-generation firewall (NGFW)

https://esds.co.in/security/vtmscan

[yuva12]

Packet-filtering firewalls.
Circuit-level gateways.
Stateful inspection firewalls.
Application-level gateways (a.k.a. proxy firewalls)
Next-gen firewalls.
Software firewalls.
Hardware firewalls.
Cloud firewalls.
1

[jesica]

packet filtering, application, and packet inspection

[yuva12]

Packet-filtering firewalls.
Circuit-level gateways.
Stateful inspection firewalls.
Application-level gateways (a.k.a. proxy firewalls)
Next-gen firewalls.
Software firewalls.
Hardware firewalls.
Cloud firewalls.