Инструкция телефон VoIP Fanvil V62

12.32 Security >> Firewall

Picture 140 - Network firewall Settings

The user can set whether to enable the input through this page, output firewall and set the firewall input and

output rules. Using these Settings can prevent some malicious network access, or restrict internal users

access to some resources of the external network, which can improve security.

Firewall rule set is a simple firewall module. This feature supports two types of rules: input rules and output

rules. Each rule is assigned an ordinal number, allowing up to 10 for each rule.

Considering the complexity of firewall Settings, the following is an example to illustrate:

Table 32 - Network Firewall

Parameter
Description

Enable Input Rules
Indicates that the input rule application is enabled.

Enable Output Rules
Indicates that the output rule application is enabled.

Input/Output
To select whether the currently added rule is an input or output rule.

Deny/Permit
To select whether the current rule configuration is disabled or allowed;

Protocol
There are four types of filtering protocols: TCP | UDP | ICMP | IP.

Src Port Range
Filter port range

Source address can be host address, network address, or all addresses

Src Address

0.0.0.0; It can also be a network address similar to *.*.*.0, such as:

192.168.1.0.

The destination address can be either the specific IP address or the full

Dst Address

address 0.0.0.0; It can also be a network address similar to *.*.*.0, such as:

192.168.1.0.

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