Edimax ER-1088 Available from Edimax USA Manual - Page 57

SysFilter Exception

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SysFilter Exception System Filter Exception - This will reject every packet with an unrecognized port to block port scan programs from hackers. This, however, also incurs problems in some situations where servers (e.g. SMTP server port 113) or WAN clients need to send a response packet to verify the activity of their communication peers. Figure 5-4: SysFilter Exception Settings -SysFilter Exception System Filter Exception • Enable - If check box is marked, it will enable System Filter Rules Exception • Interface - You can select LAN, any WAN port or ALL interfaces from which a packet originates. • Protocol - The packet type (selected in the above Interface) which will be directly processed by this device. • Foreign Port Range - Enter the beginning and end of the foreign port range used by the traffic you wish to configure. If only a single port is used, enter the port number in both fields. • Device Port Range - Enter the beginning and end of the device port range used by the traffic you wish to configure. If only a single port is used, enter the port number in both fields. System Filter Exception The list will display the details of all System Filter Exception Rules that Rules List you have setup. You can modify data by clicking on a selected row. Page 53

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SysFilter Exception
System Filter Exception - This will reject every packet with an unrecognized port to block port scan
programs from hackers. This, however, also incurs problems in some situations where servers (e.g.
SMTP server port 113) or WAN clients need to send a response packet to verify the activity of their
communication peers.
Figure 5-4: SysFilter Exception
Settings –SysFilter Exception
System Filter Exception
Rules
•
Enable
– If check box is marked, it will enable System Filter
Exception
•
Interface
– You can select LAN, any WAN port or ALL interfaces
from which a packet originates.
•
Protocol
– The packet type (selected in the above Interface) which
will be directly processed by this device.
•
Foreign Port Range
– Enter the beginning and end of the foreign
port range used by the traffic you wish to configure. If only a single
port is used, enter the port number in both fields.
•
Device Port Range
– Enter the beginning and end of the device port
range used by the traffic you wish to configure. If only a single port is
used, enter the port number in both fields.
System Filter Exception
Rules List
The list will display the details of all System Filter Exception Rules that
you have setup. You can modify data by clicking on a selected row.
Page 53