ATCOM 5520 User Manual page 44

in_access enable: Select it to Enable in_ access rule.
out_access enable: Select it to Enable out_ access rule.
Firewall Input Rule Table: Firewall input rule, as the picture config is
o
deny
192.168.1.2 ping 192.168.10.2, but ping 192.168.10.0/24 beside
o
192.168.10.3 is ok.
o
Firewall Output Rule Table: Firewall output rule, as the picture config is
the phone ping 192.168.1.70 was deny.
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.
Port Range: Set the filter Port range.
Src Addr: Set source address. It can be single IP address, network address,
complete address 0.0.0.0, or network address similar to *.*.*.0.
Dest Addr: 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.
Des Mask Set the destination address' mask. For example,
255.255.255.255 means just point to one host; if set to 255.255.255.0
means point to a network which network ID is C type.
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