Enable Output
Rules
Select it to Enable Output Rules.
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
Filter protocol type. You can select TCP, UDP, ICMP,
or IP.
Port Range
Set the filter Port range.
Src Address
Set source address. It can be single IP address,
network address, complete address 0.0.0.0, or
network address similar to *.*.*.0.
Des Address
Set the destination address. It can be IP address,
network address, complete address 0.0.0.0, or
network address similar to *.*.*.*.
Src Mask
Set the source address’ mask. For example,
255.255.255.255 means just point to one host;
255.255.255.0 means point to a network which
network ID is C type.
Dest Mask
Set the destination address’ mask. For example,
255.255.255.255 means just point to one host;
255.255.255.0 means point to a network which
network ID is C type.
Click the Add button if you want to add a new output rule.
Then enable out access, and click the Apply button.
So when devices execute to ping 192.168.1.118, system will deny the
request to send icmp request to 192.168.1.118 for the out access rule.
But if devices ping other devices which network ID is 192.168.1.0, it will
be normal.
Click the Delete button to delete the selected rule.
8.3.7.3 NAT
NAT is abbreviated from Net Address Translation; it’s a protocol
responsible for IP address translation. In other word, it is responsible for
transforming IP and port of private network to public, also is the IP
address mapping which we usually say.
Summary of Contents for F52
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