Draytek Vigor2620 LTE Series User Manual page 269

3. Check the box of Check to enable the Filter Rule. Enter the comments (e.g., block_all).
Choose Block If No Further Match for the Filter setting. Then, click OK.
Info
4. Next, set another rule. Just open Firewall>>Filter Setup. Click the Set 2 link and
choose the Filter Rule 3 button.
5. Check the box of Check to enable the Filter Rule. Enter the comments (e.g., open_ip).
Click the Edit button for Source IP.
Vigor2620 Series User's Guide
In default, the router will check the packets starting with Set 2, Filter
Rule 2 to Filter Rule 7. If Block If No Further Match for is selected for
Filter, the firewall of the router would check the packets with the rules
starting from Rule 3 to Rule 7. The packets not matching with the rules
will be processed according to Rule 2.
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