Firewall > Access Rules
Rule Examples
The following examples illustrate methods for creating Network Access Rules.
Blocking LAN Access for Specific Services
This example shows how to block LAN access to NNTP servers on the Internet during business hours.
1Click Add to launch the Add window.
2Select Deny from the Action settings.
3Select NNTP from the Service menu. If the service is not listed in the list, you must to add it in the Add Service window.
4Select LAN from the Source Ethernet menu.
5Since all computers on the LAN are to be affected, enter * in the Source Address Range Begin field.
6Select WAN from the Destination Ethernet menu.
7Enter * in the Destination Address Range Begin field to block access to all NNTP servers.
8Click on the Options tab.
9Select from the Apply this Rule list to configure the time of enforcement.
10Enter 8:30 and 17:30 in the hour fields.
11Select Mon to Fri from the menu.
12Click OK.
Enabling Ping
By default, your SonicWALL does not respond to ping requests from the Internet. This Rule allows ping requests from your ISP servers to your SonicWALL security appliance.
1Click Add to launch the Add Rule window.
2Select Allow from the Action menu.
3Select Ping from the Service menu.
4Select WAN from the Source Ethernet menu.
5Enter the starting IP address of the ISP network in the Source Address Range Begin field and the ending IP address of the ISP network in the Source Address Range End field.
6Select LAN from the Destination Ethernet menu.
7Since the intent is to allow a ping only to the SonicWALL security appliance, enter the SonicWALL security appliance LAN IP Address in the Destination Address Range Begin field.
8Click the Options tab.
9Select Always from the Apply this Rule menu to ensure continuous enforcement.
10Click OK.
SONICWALL SONICOS STANDARD 3.0 ADMINISTRATOR’S GUIDE | 187 |
