Draytek Vigor3900 User Manual page 196

8. The following page for configuration will appear.
Available parameters are listed as follows:
Item
Profile
Enable
Block Action
Description
Type the name of the IP filter rule.
Check the box to enable this profile.
The action to be taken when packets match the rule.
Block - Packets matching the rule will be dropped
immediately
Accept- Packets matching the rule will be passed
immediately.
Block If No Further Match - A packet matching the rule,
and that does not match further rules, will be dropped.
Accept If No Further Match - A packet matching the rule,
and that does not match further rules, will be passed through.
Connection Limit –Limiting the number of packets for new
connection can avoid attack driven by unknown person. For
each connection session, packets number smaller than the
Limit Packets setting can be passed immediately; however,
packets number greater that the Limit Packets setting will be
dropped. That is, packets to be passed or dropped are
determined by connection rate (new session) at that time.
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Vigor3900 Series User's Guide