SonicWALL 4.5 Manuale Utente

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Enforced Client Product Guide
Using the Firewall Protection Service
Configuring policies for firewall protection
5
To open a service port: 
On the 
Groups + Policies
 page, click 
Add Policy
 (or click 
Edit
 to modify an existing policy). 
Click the 
Desktop Firewall 
tab. 
Under 
Connection Type
, select 
Custom settings
, then click 
edit
On the 
Firewall Custom Settings
 page, select the checkbox next to the service port(s) you want 
to open, then click 
Save
. Client computers using this policy will accept all communications 
through these ports. 
On the 
Desktop Firewall
 tab, click 
Save
Add and edit service ports 
If a service port does not appear in the 
Allowed Incoming Connections 
list, you need to add it to 
the list manually. 
To add or edit a system service: 
On the 
Groups + Policies
 page, click 
Add Policy
 (or click 
Edit
 to modify an existing policy). 
Click the 
Desktop Firewall 
tab. 
Under 
Connection Type
, select 
Custom settings
, then click 
edit
On the 
Firewall Custom Settings
 page, click 
Add Connection
, or select an existing service and 
click 
edit
On the 
Add or Edit Incoming Connection 
page, specify the service name. 
Specify the port(s) through which this service will communicate, then click 
OK
.
On the 
Firewall Custom Settings
 page, select the checkbox next to the service, then click 
OK
On the 
Desktop Firewall
 tab, click 
Save
Close a service port 
If you are not sure that a service port needs to be open, or when you stop using a service, we 
recommend that you close the port to prevent intrusions.
To close a service port: 
On the 
Groups + Policies
 page, click 
Add Policy
 (or click 
Edit
 to modify an existing policy). 
Click the 
Desktop Firewall 
tab. 
Under 
Connection Type
, select 
Custom settings
, then click 
edit
On the 
Firewall Custom Settings
 page, for the port you want to close, click 
remove
, then click 
OK
On the 
Desktop Firewall
 tab, click 
Save
Caution
Select a port in the 
Allowed Incoming Connections 
list only if you are sure it must be open.