Planet Technology Pre-N Wireless Router WNRT-610 - Manual (Page 26)

3.6.5 Firewall Rules
The Firewall Rules screen allows you to define "Firewall Rules" which can allow or prevent certain traffic.
"Traffic" means incoming connection attempts, not packets.
By default:
All Outgoing traffic is permitted.
All Incoming traffic is denied.
Because of this default behavior, any Outgoing rules will generally Block traffic, and Incoming rules will
generally Allow traffic.
3.6.6 Firewall Services
If you wish to create a firewall rule, but the required service is not listed in the "Service" list, you can use
this feature to define the required service or services. Once created, these services will be listed in the
"Service" list, and can be used when creating Firewall Rules.
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