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We will give you an instance for your reference.
Field name Explanation
In access enable Select it to Enable in_ access rule
out access enable Select it to Enable out_ access rule
Input/Output Specify current adding rule by selecting input rule or output rule.
Deny/Permit Specify current adding rule by selecting Deny rule or Permit rule.
Protocol Type Filter protocol type. You can select TCP, UDP, ICMP, or IP.