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What are the main functions of a firewall?

1
With Firewall-centric security protection, all security software (such as Jemon-powered, crypto, revolutionary architecture, auditing, etc.) can be configured on the firewall.
For example, networking system time, firewall router,one-sided systems and other parties do not need to be hosted on the host, but should be focused on the fire.
2
If all visits go through a firewall, the firewall can record and log these video records, as well as provide network usage statistics. Can provide information.
Also, it is important to collect the use and abuse of a network.
3. Stop leaking internal information
Using firewalls to share internal networks, the core components of the internal network can be rebuilt, limiting the impact of local key or sensitive network system problems on the global network.
Moreover, privacy is a major concern of internal networks.
An attacker can be a system no matter how often it is used, there are users in the system that connects to the Internet, can find the connector to the system during the attack. No way.
4
Database Firewall analyzes SQL projects, allows legal SQL activities to pass predefined restrictions and permissions, blocks location and knowledge activities, forms a vicious circle in the database, and answers SQL dangerous locations and answers. Provides legitimacy of external intrusions, active ban on DiceFire with SQL, and Dice Virtual Patch Package function.
5. Other functions
The security function, Firewall VP (Virtual Private Network), supports the internal technology of the network Internet airspace. Firewalls are one of the most important features of a network system right now. A set of your content that can control the rules within the network.



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