Example 1: Allowing the Inbound Traffic from a Specified IP Address

Allowing the Inbound Traffic from a Specified IP Address

Configure two protection rules. One of them blocks all traffic. Its priority is the lowest. The other allows the traffic of a specified IP address, and its priority is the highest. Configure other parameters as needed.

• One of them blocks all traffic and has the lowest priority. Configure the following parameters and set the rest of the parameter as needed:
  Figure 1 Blocking all traffic

  
  

  Table 1 Blocking all traffic

  Parameter	Example Value	Description
  Direction	Inbound	Direction of the protected traffic.
  Source	Any	Origin of network traffic.
  Destination	Any	Receiver of network traffic.
  Service	Any	Protocol, source port, and destination port of network traffic.
  Application	Any	Protection policy for application layer protocols.
  Action	Block	Action taken when traffic passes through the firewall.

• The other rule allows traffic from a specified IP address to pass through and has the highest priority. Configure the following parameters and set the rest of the parameter as needed:
  Figure 2 Allowing a specified IP address

  
  

  Table 2 Allowing a specified IP address

  Parameter	Example Value	Description
  Direction	Inbound	Direction of the protected traffic.
  Source	IP Address 192.168.0.0	Origin of network traffic.
  Destination	Any	Receiver of network traffic.
  Service	Any	Protocol, source port, and destination port of network traffic.
  Application	Any	Protection policy for application layer protocols.
  Action	Allow	Action taken when traffic passes through the firewall.

Follow-up Operations

References

• For details about protection rule parameters, see Configuring Protection Rules to Block or Allow Internet Border Traffic.
• For details about blacklist and whitelist configuration, see Adding Blacklist or Whitelist Items to Block or Allow Traffic.
• For details about how to batch add protection policies, see Importing and Exporting Protection Policies.
• For details about how to block network attacks, see Configuring Intrusion Prevention.
• For details about antivirus, see Configuring Virus Defense.