Software Firewall- types and utilities

Software firewall is a component of a computer network that is designed to block unauthorized access while allowing authorized communications. It is equipment configured to permit or deny network transmissions base on certain conditions.
Firewalls could be implemented in hardware or software or in a combination of both.

Different types of firewalls exist today which are mentioned below.

Packet filter: Packet filter verifies each packet transmitted through network and accepts or dumps it based on a user defined rules.

Application gateway: Application gateways deploy security mechanisms to specific applications. Though effective but causes performance degradation.

Circuit level gateway: Circuit level gateway uses security mechanisms when TCP or UDP transmissions take place.

Proxy server: Proxy servers inspect all message packets entering or leaving network. It conceals the true network addresses.

Software firewall could be very effective in computer security by preventing viruses from entering the system. It could prevent the unwanted and junk data from getting disseminated. It could protect the data integrity of the computer system. The firewall could identify the source of the junk data and bar the information transmitted from that source.

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Welcome to Technosolv Blog

For the purpose of interest among general PC users, we have initiated a blog 'Technosolv' which discusses about various PC related news ranging from advancement in technology to troubleshooting. On this platform, detailed analysis will be done on the upcoming tech gadgets and hardwares, so as to make the users aware which of them will be the most suitable for their needs. Moreover, reviews of various hardwares and softwares will be posted to keep the user updated about the current market. It is also to be noted that there are several tech support sites that helps the users to resolve their PC problems by connecting with them through the phone and taking remote control of their PCs, the advantage of such a service is that the user won’t have to move their PC anywhere.

In our blog we’ll also cover the reviews of these sites that provide the best of services in this area. We hope this blog will be of help to the users who are hungry for all types of information regarding the PC.