Port Forwording (Ucm6102 Only); Firewall; Static Defense; Table 11: Ucm6102 Network Settings->Port Forwarding - Grandstream Networks UCM6100 Series User Manual

PORT FORWORDING (UCM6102 ONLY)

The UCM6102 network interface supports router functions which provides users the ability to do port
forwarding. If the UCM6102 LAN mode is set to "Route" under web GUI->Settings->Network
Settings->Basic Settings page, port forwarding is available for configuration.
The port forwarding configuration is under web GUI->Settings->Network Settings->Port Forwarding
page. Please see related settings in the table below.
WAN Port
LAN IP
LAN Port
Protocol Type

FIREWALL

The UCM6100 provides users firewall configurations to prevent certain malicious attack to the UCM6100
system. Users could configure to allow, restrict or reject specific traffic through the device for security and
bandwidth purpose. The UCM6100 also provides Fail2ban feature for authentication errors in SIP
REGISTER, INVITE and SUBSCRIBE. To configure firewall settings in UCM6100, go to Web
GUI->Settings->Firewall page.

STATIC DEFENSE

Under Web GUI->Settings->Firewall->Static Defense page, users will see the following information:

Current service information with port, process and type.

Typical firewall settings.

Custom firewall settings.
The following table shows a sample current service status running on the UCM6100.
Firmware Version 1.0.5.19
Table 11: UCM6102 Network Settings->Port Forwarding
Specify the WAN port number. Up to 8 ports can be configured.
Specify the LAN IP address.
Specify the LAN port number.
Select protocol type "UDP Only", "TCP Only" or "TCP/UDP" for the forwarding in
the selected port. The default setting is "UDP Only".
UCM6100 Series IP PBX User Manual Page 37 of 183