405.3 FiltersOn the Filters page, you can set up filters that can selectively allowtraffic to pass in and out of your network. The Company AP Routercomes with 9 factory default filters for you.In addition to 9 default filters, some filters may be createdautomatically to allow Virtual Servers or Special Applications tofunction.We strongly recommend that you choose an empty row when youwant to set up new filters, because overwriting or deleting thesefilters may cause some services to be disabled, for example, yourclient PCs may NOT be able to access the Internet.Note – If you have overwritten or deleted the factory default filters, youcan retrieve them at a later time using the Restore Factory Defaultsfunction on the Tools page. For detailed instructions, see To Restore theFactory Default Configuration.What do you want to do?▪ Set up a Port Filtering or Raw IP Filter▪ Delete a Port Filtering or Raw IP Filter5.3.1. To Set up a Port Filtering or Raw IP Filter:5.3.1.1. On the Advanced navigation bar, click Filters.The Filters page appears, seen in FIGURE 5-5: