Types of Firewall

1. Packet filter:

Packet filtering inspects each packet passing through the network and accepts or rejects it based on user-defined rules.

2. Circuit-level firewall: 

Applies security mechanisms when a TCP or UDP connection is established. Once the connection has been made, packets can flow between the hosts without further checking.

3. Application gateway: 

Applies security mechanisms to specific applications, such as FTP and Telnet servers.

4. Proxy server: 

Intercepts all messages entering and leaving the network acting as an intermediary between clients and servers. The proxy server hides the true network addresses

Preeti to Unicode Converter

Popular posts from this blog

Nepali Unicode with Keyboard Layout (Traditional and Romanized)

Learn Cloud Computing

Learn Amazon Marketplace

Learn Arduino Programming Language