User Guide
Table Of Contents
- 1 At a glance
- 2 Quick setup
- 3 Login
- 4 System status
- 5 Internet settings
- 6 Wireless
- 7 Address reservation
- 8 Bandwidth control
- 9 Authentication
- 9.1 Overview
- 9.2 Configure captive portal
- 9.3 Example of captive portal
- 9.4 User management
- 10 AP mangement
- 11 Filter management
- 12 More settings
- 12.1 LAN settings
- 12.2 WAN parameters
- 12.3 Configure static route
- 12.4 Port mirroring
- 12.5 Manage your router remotely using web UI
- 12.6 DDNS
- 12.7 Port forwarding
- 12.8 DMZ host
- 12.9 UPnP
- 12.10 Any IP
- 12.11 Security settings
- 12.12 VPN server
- 12.13 VPN client
- 12.14 IPSec
- 12.15 Example of configuring VPN conenctions
- 12.16 Multi-WAN policy
- 13 Maintenance
- Appendix
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Port filter 11.5
The protocols of various services available over the internet use dedicated port numbers. The
common service port numbers range from 0 to 1023 and are generally assigned to specific services.
A port filter prevents LAN users from accessing certain internet services by disabling the users to
access the port numbers of the services.
To access the page for setting the port filter, choose Filter Management > Port Filter. By default,
this function is disabled. Once it is enabled, the following page appears.
11.5.1 Configure port filtering rules
Before you start
Set up at least one time group rule.
Set up at least one IP group rule.
Configuration procedure
Step 1 Choose Filter Management > Port Filter.
Step 2 Enable this function, and click Save.
Step 3 Click +Add. The Add window appears.
Step 4 Set the required parameters.
To add a single port number: