User's Manual

Configuring the Firewall

Configuring Basic Firewall Settings

Cisco RV 120W Administration Guide 77

International Computer Security Association (ICSA) Settings

•

Block ICMP Notification

—ICSA requires the firewall to silently block without

sending an ICMP notification to the sender. Some protocols, such as MTU

Path Discovery, require ICMP notifications. Enable this setting to operate in

“stealth” mode. Enabled by default.

•

Block Fragmented Packets

—ICSA requires the firewall to block fragmented

packets from ANY to ANY. Enabled by default.

•

Block Multicast Packets

—ICSA requires the firewall to block multicast

packets. Enabled by default.

STEP 3 Click S

Save

Configuring Universal Plug and Play (UPnP)

UPnP is a feature that allows for automatic discovery of devices that can

communicate with the Cisco RV 120W.

To e n a b l e U P n P :

STEP 1 Choose F

Firewall

> B

Basic Settings

> U

UPnP

STEP 2 Check the E

Enable

box. If disabled, the Cisco RV 120W does not allow automatic

device configuration.

STEP 3 Select the interface on which you want to allow UPnP.

STEP 4 In the A

Advertisement Period

field, enter the period (in seconds) to specify how

often the Cisco RV 120W will broadcast its UPnP information to all devices within

range.

STEP 5 In the A

Advertisement Time to Live

field, enter the number of hops to allow for each

UPnP packet. This setting determines how long a packet is allowed to propagate

before being discarded. Small values will limit the UPnP broadcast range.

STEP 6 Click S

Save