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12.28 Security >> Firewall
Picture 136 - Network firewall Settings
Through this page can set whether to enable the input, output firewall, at the same time can 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, 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 29 - 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
Src Address
Source address can be host address, network address, or all addresses
0.0.0.0; It can also be a network address similar to *.*.*.0, such as:
192.168.1.0.
Dst Address
The destination address can be either the specific IP address or the full
address 0.0.0.0; It can also be a network address similar to *.*.*.0, such as:
192.168.1.0.
Summary of Contents for X1S
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