User guide

Using VStream Antivirus
Chapter 15: Using Antivirus and Antispam Filtering 517
In this field…
Do this…
Custom Service Click this option to specify that the rule should apply to a specific non-
standard service.
The Protocol and Port Range fields are enabled. You must fill them in.
Protocol Select the protocol (TCP, UDP, or ANY) for which the rule should apply.
Port Range To specify the port range to which the rule applies, type the start port number
in the left text box, and the end port number in the right text box.
Note: If you do not enter a port range, the rule will apply to all ports. If you
enter only one port number, the range will include only that port.
If the connection
source is
Select the source of the connections you want to allow/block. This list
includes network objects.
To specify an IP address, select Specified IP and type the desired IP address
in the field provided.
To specify an IP address range, select Specified Range and type the desired
IP address range in the fields provided.
To specify any source, select ANY.
And the
destination is
Select the destination of the connections you want to allow or block. This list
includes network objects.
To specify an IP address, select Specified IP and type the desired IP address
in the text box.
To specify an IP address range, select Specified Range and type the desired
IP address range in the fields provided.
To specify the Safe@Office IP addresses, select This Gateway.
To specify any destination except the Safe@Office Portal IP addresses,
select ANY.