Icom VE-PG4 Operating Guide ver.1.36 - Page 45

4 Router Settings IP Filter screen Router Settings > IP Filter ■■IP Filter 1 2 3 4 5 6 7 8 9 10 11 12 13 LLThis is an example of setting "TCP" as the protocol. 4 Direction 5 Source IP Address 6 Destination IP Address � 7 Protocol Set the filtering direction. (Default: In) •• In: Filters the incoming packets from the WAN interfaces. •• Out: Filters the outgoing packets to the WAN interfaces. Enter the source IP address (and mask) to filter. All the packets sent from the entered IP address are filtered (blocked or passed.) •• Mask range: 1 ~ 32 Enter the destination IP address (and mask) to filter. All the packets sent to the entered IP address are filtered (blocked or passed). •• Mask range: 1 ~ 32 Select the transport layer protocol of the packet targeted to be filtered.  (Default: Any) •• Any: All protocols. •• TCP: Only TCP. Enter [Source Port], [Destination Port], and [TCP Flags]. •• UDP: Only UDP. Enter [Source Port] and [Destination Port]. 4-18