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Chapter 28 Anti-Virus
ZyWALL USG 300 User’s Guide
407
The following table describes the labels in this screen.
Table 121 Anti-X > Anti-Virus > General
LABEL DESCRIPTION
Enable Anti-Virus
and Anti-Spyware
Select this check box to check traffic for viruses and spyware. The following table
lists rules that define which traffic the ZyWALL scans and the action it takes upon
finding a virus.
Priority This is the position of an anti-virus rule in the list. The ordering of your anti-virus
rules is important as the ZyWALL applies them in sequence. Once traffic matches
an anti-virus rule, the ZyWALL applies that rule and does not check the traffic
against any more rules.
From The anti-virus rule has the ZyWALL scan traffic coming from this zone and going to
the To zone.
To The anti-virus rule has the ZyWALL scan traffic going to this zone from the From
zone.
Protocol These are the protocols of traffic to scan for viruses.
FTP applies to traffic using the TCP port number specified for FTP in the ALG
screen.
HTTP applies to traffic using TCP ports 80, 8080 and 3128.
SMTP applies to traffic using TCP port 25.
POP3 applies to traffic using TCP port 110.
IMAP4 applies to traffic using TCP port 143.
Add icon Click the Add icon in the heading row to add a new first entry.
The Active displays whether the entry is enabled or not. Click it to activate or
deactivate the entry. Make sure you click Apply to save and apply the change.
Click the Edit icon to go to the screen where you can edit the entry on the
ZyWALL.
Click the Add icon in an entry to add a rule below the current entry.
Click the Remove icon to delete an existing entry from the ZyWALL. A window
displays asking you to confirm that you want to delete the entry. Note that
subsequent entries move up by one when you take this action.
In a numbered list, click the Move to N icon to display a field to type an index
number for where you want to put that entry and press [ENTER] to move the entry
to the number that you typed. For example, if you type 6, the rule you are moving
becomes number 6 and the previous rule 6 (if there is one) gets pushed up (or
down) one.
The ordering of your rules is important as they are applied in order of their
numbering.
Registration The following fields display information about the current state of your subscription
for virus signatures.
Registration
Status
This field displays whether a service is activated (Licensed) or not (Not Licensed)
or expired (Expired).
Registration
Type
This field displays whether you applied for a trial application (Trial) or registered a
service with your iCard’s PIN number (Standard). None displays when the service
is not activated.
Apply new
Registration
This link appears if you have not registered for the service or only have the trial
registration. Click this link to go to the screen where you can register for the
service.
Signature
Information
The following fields display information on the current signature set that the
ZyWALL is using.
Current
Version
This field displays the anti-virus signature set version number. This number gets
larger as the set is enhanced.
Signature
Number
This field displays the number of anti-virus signatures in this set.